-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <liblustre.h>
#include <lnet/lnetctl.h>
#include <obd.h>
-#include <lustre_lib.h>
#include <obd_lov.h>
-#include <lustre/liblustreapi.h>
+#include <lustre/lustreapi.h>
static unsigned llapi_dir_filetype_table[] = {
[DT_UNKNOWN]= 0,
llapi_msg_level = level;
}
-void llapi_err(int level, char *fmt, ...)
+/* llapi_error will preserve errno */
+void llapi_error(int level, int _rc, char *fmt, ...)
{
va_list args;
- int tmp_errno = abs(errno);
+ int tmp_errno = errno;
+ /* to protect using errno as _rc argument */
+ int rc = abs(_rc);
if ((level & LLAPI_MSG_MASK) > llapi_msg_level)
return;
if (level & LLAPI_MSG_NO_ERRNO)
fprintf(stderr, "\n");
else
- fprintf(stderr, ": %s (%d)\n", strerror(tmp_errno), tmp_errno);
+ fprintf(stderr, ": %s (%d)\n", strerror(rc), rc);
+ errno = tmp_errno;
}
-#define llapi_err_noerrno(level, fmt, a...) \
- llapi_err((level) | LLAPI_MSG_NO_ERRNO, fmt, ## a)
-
+/* llapi_printf will preserve errno */
void llapi_printf(int level, char *fmt, ...)
{
va_list args;
+ int tmp_errno = errno;
if ((level & LLAPI_MSG_MASK) > llapi_msg_level)
return;
va_start(args, fmt);
vfprintf(stdout, fmt, args);
va_end(args);
+ errno = tmp_errno;
}
/**
- * size_units is unchanged if no specifier used
+ * size_units is to be initialized (or zeroed) by caller.
*/
int parse_size(char *optarg, unsigned long long *size,
unsigned long long *size_units, int bytes_spec)
{
char *end;
+ if (strncmp(optarg, "-", 1) == 0)
+ return -1;
+
+ if (*size_units == 0)
+ *size_units = 1;
+
*size = strtoull(optarg, &end, 0);
if (*end != '\0') {
- if ((*end == 'b') && *(end+1) == '\0' &&
+ if ((*end == 'b') && *(end + 1) == '\0' &&
(*size & (~0ULL << (64 - 9))) == 0 &&
!bytes_spec) {
- *size <<= 9;
*size_units = 1 << 9;
- } else if ((*end == 'b') && *(end+1) == '\0' &&
+ } else if ((*end == 'b') &&
+ *(end + 1) == '\0' &&
bytes_spec) {
*size_units = 1;
} else if ((*end == 'k' || *end == 'K') &&
- *(end+1) == '\0' && (*size &
- (~0ULL << (64 - 10))) == 0) {
- *size <<= 10;
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 10))) == 0) {
*size_units = 1 << 10;
} else if ((*end == 'm' || *end == 'M') &&
- *(end+1) == '\0' && (*size &
- (~0ULL << (64 - 20))) == 0) {
- *size <<= 20;
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 20))) == 0) {
*size_units = 1 << 20;
} else if ((*end == 'g' || *end == 'G') &&
- *(end+1) == '\0' && (*size &
- (~0ULL << (64 - 30))) == 0) {
- *size <<= 30;
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 30))) == 0) {
*size_units = 1 << 30;
} else if ((*end == 't' || *end == 'T') &&
- *(end+1) == '\0' && (*size &
- (~0ULL << (64 - 40))) == 0) {
- *size <<= 40;
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 40))) == 0) {
*size_units = 1ULL << 40;
} else if ((*end == 'p' || *end == 'P') &&
- *(end+1) == '\0' && (*size &
- (~0ULL << (64 - 50))) == 0) {
- *size <<= 50;
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 50))) == 0) {
*size_units = 1ULL << 50;
} else if ((*end == 'e' || *end == 'E') &&
- *(end+1) == '\0' && (*size &
- (~0ULL << (64 - 60))) == 0) {
- *size <<= 60;
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 60))) == 0) {
*size_units = 1ULL << 60;
} else {
return -1;
}
}
-
+ *size *= *size_units;
return 0;
}
+/* XXX: llapi_xxx() functions return negative values upon failure */
+
int llapi_stripe_limit_check(unsigned long long stripe_size, int stripe_offset,
- int stripe_count, int stripe_pattern)
-{
- int page_size;
-
- /* 64 KB is the largest common page size I'm aware of (on ia64), but
- * check the local page size just in case. */
- page_size = LOV_MIN_STRIPE_SIZE;
- if (getpagesize() > page_size) {
- page_size = getpagesize();
- llapi_err_noerrno(LLAPI_MSG_WARN,
- "warning: your page size (%u) is "
- "larger than expected (%u)", page_size,
- LOV_MIN_STRIPE_SIZE);
- }
- if (stripe_size < 0 || (stripe_size & (LOV_MIN_STRIPE_SIZE - 1))) {
- llapi_err(LLAPI_MSG_ERROR, "error: bad stripe_size %lu, "
- "must be an even multiple of %d bytes",
- stripe_size, page_size);
- return -EINVAL;
- }
- if (stripe_offset < -1 || stripe_offset > MAX_OBD_DEVICES) {
- errno = -EINVAL;
- llapi_err(LLAPI_MSG_ERROR, "error: bad stripe offset %d",
- stripe_offset);
- return -EINVAL;
- }
- if (stripe_count < -1 || stripe_count > LOV_MAX_STRIPE_COUNT) {
- errno = -EINVAL;
- llapi_err(LLAPI_MSG_ERROR, "error: bad stripe count %d",
- stripe_count);
- return -EINVAL;
- }
- if (stripe_size >= (1ULL << 32)){
- errno = -EINVAL;
- llapi_err(LLAPI_MSG_ERROR, "warning: stripe size larger than 4G"
- " is not currently supported and would wrap");
- return -EINVAL;
+ int stripe_count, int stripe_pattern)
+{
+ int page_size, rc;
+
+ /* 64 KB is the largest common page size I'm aware of (on ia64), but
+ * check the local page size just in case. */
+ page_size = LOV_MIN_STRIPE_SIZE;
+ if (getpagesize() > page_size) {
+ page_size = getpagesize();
+ llapi_err_noerrno(LLAPI_MSG_WARN,
+ "warning: your page size (%u) is "
+ "larger than expected (%u)", page_size,
+ LOV_MIN_STRIPE_SIZE);
+ }
+ if (stripe_size < 0 || (stripe_size & (LOV_MIN_STRIPE_SIZE - 1))) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe_size %lu, "
+ "must be an even multiple of %d bytes",
+ stripe_size, page_size);
+ return rc;
+ }
+ if (stripe_offset < -1 || stripe_offset > MAX_OBD_DEVICES) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe offset %d",
+ stripe_offset);
+ return rc;
+ }
+ if (stripe_count < -1 || stripe_count > LOV_MAX_STRIPE_COUNT) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe count %d",
+ stripe_count);
+ return rc;
+ }
+ if (stripe_size >= (1ULL << 32)) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "warning: stripe size 4G or larger "
+ "is not currently supported and would wrap");
+ return rc;
+ }
+ return 0;
+}
+
+/* return the first file matching this pattern */
+static int first_match(char *pattern, char *buffer)
+{
+ glob_t glob_info;
+
+ if (glob(pattern, GLOB_BRACE, NULL, &glob_info))
+ return -ENOENT;
+
+ if (glob_info.gl_pathc < 1) {
+ globfree(&glob_info);
+ return -ENOENT;
}
+
+ strcpy(buffer, glob_info.gl_pathv[0]);
+
+ globfree(&glob_info);
return 0;
}
return 0;
}
+/**
+ * return a parameter string for a specific device type or mountpoint
+ *
+ * \param param_path the path to the file containing parameter data
+ * \param result buffer for parameter value string
+ * \param result_size size of buffer for return value
+ *
+ * The \param param_path is appended to /proc/{fs,sys}/{lnet,lustre} to
+ * complete the absolute path to the file containing the parameter data
+ * the user is requesting. If that file exist then the data is read from
+ * the file and placed into the \param result buffer that is passed by
+ * the user. Data is only copied up to the \param result_size to prevent
+ * overflow of the array.
+ *
+ * Return 0 for success, with a NUL-terminated string in \param result.
+ * Return -ve value for error.
+ */
+static int get_param(const char *param_path, char *result,
+ unsigned int result_size)
+{
+ char file[PATH_MAX + 1], pattern[PATH_MAX + 1], buf[result_size];
+ FILE *fp = NULL;
+ int rc = 0;
+
+ snprintf(pattern, PATH_MAX, "/proc/{fs,sys}/{lnet,lustre}/%s",
+ param_path);
+ rc = first_match(pattern, file);
+ if (rc)
+ return rc;
+
+ fp = fopen(file, "r");
+ if (fp != NULL) {
+ while (fgets(buf, result_size, fp) != NULL)
+ strcpy(result, buf);
+ fclose(fp);
+ } else {
+ rc = -errno;
+ }
+ return rc;
+}
+
+#define DEVICES_LIST "/proc/fs/lustre/devices"
+
+/**
+ * return a parameter string for a specific device type or mountpoint
+ *
+ * \param fsname Lustre filesystem name (optional)
+ * \param file_path path to file in filesystem (optional, if fsname unset)
+ * \param obd_type Lustre OBD device type
+ * \param param_name parameter name to fetch
+ * \param value return buffer for parameter value string
+ * \param val_len size of buffer for return value
+ *
+ * If fsname is specified then the parameter will be from that filesystem
+ * (if it exists). If file_path is given and it is in a mounted Lustre
+ * filesystem, then the parameter will be otherwise the value may be
+ * from any mounted filesystem (if there is more than one).
+ *
+ * If "obd_type" matches a Lustre device then the first matching device
+ * (as with "lctl dl", constrained by \param fsname or \param mount_path)
+ * will be used to provide the return value, otherwise the first such
+ * device found will be used.
+ *
+ * Return 0 for success, with a NUL-terminated string in \param buffer.
+ * Return -ve value for error.
+ */
+static int get_param_obdvar(const char *fsname, const char *file_path,
+ const char *obd_type, const char *param_name,
+ char *value, unsigned int val_len)
+{
+ char devices[PATH_MAX + 1], dev[PATH_MAX + 1] = "*", fs[PATH_MAX + 1];
+ FILE *fp = fopen(DEVICES_LIST, "r");
+ int rc = 0;
+
+ if (!fsname && file_path) {
+ rc = llapi_search_fsname(file_path, fs);
+ if (rc) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "'%s' is not on a Lustre filesystem",
+ file_path);
+ if (fp != NULL)
+ fclose(fp);
+ return rc;
+ }
+ } else if (fsname) {
+ strcpy(fs, fsname);
+ }
+
+ if (fp == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: opening "DEVICES_LIST);
+ return rc;
+ }
+
+ while (fgets(devices, sizeof(devices), fp) != NULL) {
+ char *bufp = devices, *tmp;
+
+ while (bufp[0] == ' ')
+ ++bufp;
+
+ tmp = strstr(bufp, obd_type);
+ if (tmp) {
+ tmp += strlen(obd_type) + 1;
+ if (strcmp(tmp, fs))
+ continue;
+ strcpy(dev, tmp);
+ tmp = strchr(dev, ' ');
+ *tmp = '\0';
+ break;
+ }
+ }
+
+ if (dev[0] == '*' && strlen(fs))
+ snprintf(dev, PATH_MAX, "%s-*", fs);
+ snprintf(devices, PATH_MAX, "%s/%s/%s", obd_type, dev, param_name);
+ fclose(fp);
+ return get_param(devices, value, val_len);
+}
+
+static int get_mds_md_size(char *path)
+{
+ int lumlen = lov_mds_md_size(LOV_MAX_STRIPE_COUNT, LOV_MAGIC_V3);
+ char buf[16];
+
+ /* Now get the maxea from llite proc */
+ if (!get_param_obdvar(NULL, path, "llite", "max_easize",
+ buf, sizeof(buf)))
+ lumlen = atoi(buf);
+ return lumlen;
+}
+
/*
* if pool is NULL, search ostname in target_obd
* if pool is not NULL:
if (rc)
return rc;
- if ((fd = fopen(buffer, "r")) == NULL)
- return -EINVAL;
+ fd = fopen(buffer, "r");
+ if (fd == NULL)
+ return -errno;
while (fgets(buffer, sizeof(buffer), fd) != NULL) {
if (poolname == NULL) {
if (pool_name != NULL) {
char fsname[MAX_OBD_NAME + 1], *ptr;
- if (llapi_search_fsname(name, fsname)) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "'%s' is not on a Lustre filesystem", name);
- return -EINVAL;
+ rc = llapi_search_fsname(name, fsname);
+ if (rc) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "'%s' is not on a Lustre filesystem",
+ name);
+ return rc;
}
/* in case user gives the full pool name <fsname>.<poolname>,
*ptr = '\0';
if (strcmp(pool_name, fsname) != 0) {
*ptr = '.';
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "Pool '%s' is not on filesystem '%s'",
- pool_name, fsname);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "Pool '%s' is not on filesystem '%s'",
+ pool_name, fsname);
return -EINVAL;
}
pool_name = ptr + 1;
}
/* Make sure the pool exists and is non-empty */
- if ((rc = llapi_search_ost(fsname, pool_name, NULL)) < 1) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "pool '%s.%s' %s", fsname, pool_name,
- rc == 0 ? "has no OSTs" : "does not exist");
+ rc = llapi_search_ost(fsname, pool_name, NULL);
+ if (rc < 1) {
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "pool '%s.%s' %s", fsname, pool_name,
+ rc == 0 ? "has no OSTs" : "does not exist");
return -EINVAL;
}
}
if (fd < 0) {
rc = -errno;
- llapi_err(LLAPI_MSG_ERROR, "unable to open '%s'", name);
+ llapi_error(LLAPI_MSG_ERROR, rc, "unable to open '%s'", name);
return rc;
}
- if ((rc = llapi_stripe_limit_check(stripe_size, stripe_offset,
- stripe_count, stripe_pattern)) != 0){
- errno = rc;
+ rc = llapi_stripe_limit_check(stripe_size, stripe_offset, stripe_count,
+ stripe_pattern);
+ if (rc != 0)
goto out;
- }
/* Initialize IOCTL striping pattern structure */
lum.lmm_magic = LOV_USER_MAGIC_V3;
/* get the mount point */
fp = setmntent(MOUNTED, "r");
if (fp == NULL) {
- llapi_err(LLAPI_MSG_ERROR,
- "setmntent(%s) failed: %s:", MOUNTED,
- strerror (errno));
- return -EIO;
+ rc = -EIO;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "setmntent(%s) failed", MOUNTED);
+ return rc;
}
while (1) {
if (getmntent_r(fp, &mnt, buf, sizeof(buf)) == NULL)
if (want & WANT_FD) {
fd = open(mntdir, O_RDONLY | O_DIRECTORY | O_NONBLOCK);
if (fd < 0) {
- perror("open");
rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error opening '%s'", mntdir);
+
} else {
*outfd = fd;
}
}
} else if (want & WANT_ERROR)
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "can't find fs root for '%s': %d",
- (want & WANT_PATH) ? fsname : path, rc);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "can't find fs root for '%s': %d",
+ (want & WANT_PATH) ? fsname : path, rc);
return rc;
}
{
int want = WANT_PATH, idx = -1;
- if (!pathname) {
+ if (!pathname || pathname[0] == '\0') {
want |= WANT_INDEX;
idx = index;
} else
/* Given a path, find the corresponding Lustre fsname */
int llapi_search_fsname(const char *pathname, char *fsname)
{
- char *path = (char*)pathname, buf[PATH_MAX + 1];
+ char *path;
+ int rc;
- if (pathname[0] != '/') { /* Need a absolute path */
- memset(buf, '\0', sizeof(buf));
- if (realpath(pathname, buf) == NULL) {
- llapi_err(LLAPI_MSG_ERROR, "pathname '%s' cannot expand",
- pathname);
- return -EINVAL;
+ path = realpath(pathname, NULL);
+ if (path == NULL) {
+ char buf[PATH_MAX + 1], *ptr;
+
+ buf[0] = 0;
+ if (pathname[0] != '/') {
+ /* Need an absolute path, but realpath() only works for
+ * pathnames that actually exist. We go through the
+ * extra hurdle of dirname(getcwd() + pathname) in
+ * case the relative pathname contains ".." in it. */
+ if (getcwd(buf, sizeof(buf) - 1) == NULL)
+ return -errno;
+ strcat(buf, "/");
+ }
+ strncat(buf, pathname, sizeof(buf) - strlen(buf));
+ path = realpath(buf, NULL);
+ if (path == NULL) {
+ ptr = strrchr(buf, '/');
+ if (ptr == NULL)
+ return -ENOENT;
+ *ptr = '\0';
+ path = realpath(buf, NULL);
+ if (path == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "pathname '%s' cannot expand",
+ pathname);
+ return rc;
+ }
}
- path = buf;
}
- return get_root_path(WANT_FSNAME | WANT_ERROR, fsname, NULL,
- path, -1);
+ rc = get_root_path(WANT_FSNAME | WANT_ERROR, fsname, NULL, path, -1);
+ free(path);
+ return rc;
}
-/* return the first file matching this pattern */
-static int first_match(char *pattern, char *buffer)
+int llapi_getname(const char *path, char *buf, size_t size)
{
- glob_t glob_info;
+ struct obd_uuid uuid_buf;
+ char *uuid = uuid_buf.uuid;
+ int rc, nr;
- if (glob(pattern, GLOB_BRACE, NULL, &glob_info))
- return -ENOENT;
+ memset(&uuid_buf, 0, sizeof(uuid_buf));
+ rc = llapi_file_get_lov_uuid(path, &uuid_buf);
+ if (rc)
+ return rc;
- if (glob_info.gl_pathc < 1) {
- globfree(&glob_info);
- return -ENOENT;
- }
+ /* We want to turn lustre-clilov-ffff88002738bc00 into
+ * lustre-ffff88002738bc00. */
- strcpy(buffer, glob_info.gl_pathv[0]);
+ nr = snprintf(buf, size, "%.*s-%s",
+ (int) (strlen(uuid) - 24), uuid,
+ uuid + strlen(uuid) - 16);
- globfree(&glob_info);
- return 0;
+ if (nr >= size)
+ rc = -ENAMETOOLONG;
+
+ return rc;
}
+
/*
* find the pool directory path under /proc
* (can be also used to test if a fsname is known)
rc = poolpath(fsname, NULL, pathname);
if (rc != 0) {
- errno = -rc;
- llapi_err(LLAPI_MSG_ERROR, "Lustre filesystem '%s' not found",
- fsname);
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Lustre filesystem '%s' not found",
+ fsname);
return rc;
}
llapi_printf(LLAPI_MSG_NORMAL, "Pool: %s.%s\n", fsname, pool);
sprintf(path, "%s/%s", pathname, pool);
- if ((fd = fopen(path, "r")) == NULL) {
- llapi_err(LLAPI_MSG_ERROR, "Cannot open %s", path);
- return -EINVAL;
+ fd = fopen(path, "r");
+ if (fd == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "Cannot open %s", path);
+ return rc;
}
rc = 0;
break;
}
/* remove '\n' */
- if ((tmp = strchr(buf, '\n')) != NULL)
+ tmp = strchr(buf, '\n');
+ if (tmp != NULL)
*tmp='\0';
if (used + strlen(buf) + 1 > buffer_size) {
rc = -EOVERFLOW;
/* only absolute pathname is supported */
if (*name != '/')
return -EINVAL;
+
if (!realpath(name, rname)) {
rc = -errno;
- llapi_err(LLAPI_MSG_ERROR, "invalid path '%s'", name);
+ llapi_error(LLAPI_MSG_ERROR, rc, "invalid path '%s'",
+ name);
return rc;
}
rc = poolpath(NULL, rname, pathname);
if (rc != 0) {
- errno = -rc;
- llapi_err(LLAPI_MSG_ERROR, "'%s' is not"
- " a Lustre filesystem", name);
+ llapi_error(LLAPI_MSG_ERROR, rc, "'%s' is not"
+ " a Lustre filesystem", name);
return rc;
}
strcpy(fsname, rname);
rc = poolpath(fsname, NULL, pathname);
}
if (rc != 0) {
- errno = -rc;
- llapi_err(LLAPI_MSG_ERROR, "Lustre filesystem '%s' not found",
- name);
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Lustre filesystem '%s' not found", name);
return rc;
}
llapi_printf(LLAPI_MSG_NORMAL, "Pools from %s:\n", fsname);
- if ((dir = opendir(pathname)) == NULL) {
- llapi_err(LLAPI_MSG_ERROR, "Could not open pool list for '%s'",
- name);
- return -errno;
+ dir = opendir(pathname);
+ if (dir == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Could not open pool list for '%s'",
+ name);
+ return rc;
}
while(1) {
rc = readdir_r(dir, &pool, &cookie);
if (rc != 0) {
- llapi_err(LLAPI_MSG_ERROR,
- "Error reading pool list for '%s'", name);
- return -errno;
- } else if ((rc == 0) && (cookie == NULL))
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Error reading pool list for '%s'", name);
+ goto out;
+ } else if ((rc == 0) && (cookie == NULL)) {
/* end of directory */
break;
+ }
/* ignore . and .. */
if (!strcmp(pool.d_name, ".") || !strcmp(pool.d_name, ".."))
continue;
/* check output bounds */
- if (nb_entries >= list_size)
- return -EOVERFLOW;
+ if (nb_entries >= list_size) {
+ rc = -EOVERFLOW;
+ goto out;
+ }
/* +2 for '.' and final '\0' */
- if (used + strlen(pool.d_name) + strlen(fsname) + 2
- > buffer_size)
- return -EOVERFLOW;
+ if (used + strlen(pool.d_name) + strlen(fsname) + 2
+ > buffer_size) {
+ rc = -EOVERFLOW;
+ goto out;
+ }
sprintf(buffer + used, "%s.%s", fsname, pool.d_name);
poollist[nb_entries] = buffer + used;
nb_entries++;
}
+out:
closedir(dir);
- return nb_entries;
+ return ((rc != 0) ? rc : nb_entries);
}
/* wrapper for lfs.c and obd.c */
{
/* list of pool names (assume that pool count is smaller
than OST count) */
- char *list[FIND_MAX_OSTS];
- char *buffer;
- /* fsname-OST0000_UUID < 32 char, 1 per OST */
- int bufsize = FIND_MAX_OSTS * 32;
- int i, nb;
-
- buffer = malloc(bufsize);
- if (buffer == NULL)
- return -ENOMEM;
+ char **list, *buffer = NULL, *path = NULL, *fsname = NULL;
+ int obdcount, bufsize, rc, nb, i;
+ char *poolname = NULL, *tmp = NULL, data[16];
+
+ if (name[0] != '/') {
+ fsname = strdup(name);
+ poolname = strchr(fsname, '.');
+ if (poolname)
+ *poolname = '\0';
+ } else {
+ path = (char *) name;
+ }
- if ((name[0] == '/') || (strchr(name, '.') == NULL))
+ rc = get_param_obdvar(fsname, path, "lov", "numobd",
+ data, sizeof(data));
+ if (rc < 0)
+ goto err;
+ obdcount = atoi(data);
+
+ /* Allocate space for each fsname-OST0000_UUID, 1 per OST,
+ * and also an array to store the pointers for all that
+ * allocated space. */
+retry_get_pools:
+ bufsize = sizeof(struct obd_uuid) * obdcount;
+ buffer = realloc(tmp, bufsize + sizeof(*list) * obdcount);
+ if (buffer == NULL) {
+ rc = -ENOMEM;
+ goto err;
+ }
+ list = (char **) (buffer + bufsize);
+
+ if (!poolname) {
/* name is a path or fsname */
- nb = llapi_get_poollist(name, list, FIND_MAX_OSTS, buffer,
- bufsize);
- else
+ nb = llapi_get_poollist(name, list, obdcount,
+ buffer, bufsize);
+ } else {
/* name is a pool name (<fsname>.<poolname>) */
- nb = llapi_get_poolmembers(name, list, FIND_MAX_OSTS, buffer,
- bufsize);
+ nb = llapi_get_poolmembers(name, list, obdcount,
+ buffer, bufsize);
+ }
+
+ if (nb == -EOVERFLOW) {
+ obdcount *= 2;
+ tmp = buffer;
+ goto retry_get_pools;
+ }
for (i = 0; i < nb; i++)
llapi_printf(LLAPI_MSG_NORMAL, "%s\n", list[i]);
-
- free(buffer);
- return (nb < 0 ? nb : 0);
+ rc = (nb < 0 ? nb : 0);
+err:
+ if (buffer)
+ free(buffer);
+ if (fsname)
+ free(fsname);
+ return rc;
}
-
typedef int (semantic_func_t)(char *path, DIR *parent, DIR *d,
void *data, cfs_dirent_t *de);
-#define MAX_LOV_UUID_COUNT max(LOV_MAX_STRIPE_COUNT, 1000)
#define OBD_NOT_FOUND (-1)
-static int common_param_init(struct find_param *param)
+static int common_param_init(struct find_param *param, char *path)
{
- param->lumlen = lov_mds_md_size(MAX_LOV_UUID_COUNT, LOV_MAGIC_V3);
- if ((param->lmd = malloc(sizeof(lstat_t) + param->lumlen)) == NULL) {
- llapi_err(LLAPI_MSG_ERROR,
- "error: allocation of %d bytes for ioctl",
- sizeof(lstat_t) + param->lumlen);
+ param->lumlen = get_mds_md_size(path);
+ param->lmd = malloc(sizeof(lstat_t) + param->lumlen);
+ if (param->lmd == NULL) {
+ llapi_error(LLAPI_MSG_ERROR, -ENOMEM,
+ "error: allocation of %d bytes for ioctl",
+ sizeof(lstat_t) + param->lumlen);
return -ENOMEM;
}
return 0;
}
+/* set errno upon failure */
static DIR *opendir_parent(char *path)
{
DIR *parent;
return parent;
}
-int llapi_mds_getfileinfo(char *path, DIR *parent,
- struct lov_user_mds_data *lmd)
+static int get_lmd_info(char *path, DIR *parent, DIR *dir,
+ struct lov_user_mds_data *lmd, int lumlen)
{
lstat_t *st = &lmd->lmd_st;
- char *fname = strrchr(path, '/');
int ret = 0;
- if (parent == NULL)
+ if (parent == NULL && dir == NULL)
return -EINVAL;
- fname = (fname == NULL ? path : fname + 1);
- /* retrieve needed file info */
- strncpy((char *)lmd, fname,
- lov_mds_md_size(MAX_LOV_UUID_COUNT, LOV_MAGIC));
- ret = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO, (void *)lmd);
+ if (dir) {
+ ret = ioctl(dirfd(dir), LL_IOC_MDC_GETINFO, (void *)lmd);
+ } else if (parent) {
+ char *fname = strrchr(path, '/');
+
+ fname = (fname == NULL ? path : fname + 1);
+ /* retrieve needed file info */
+ strncpy((char *)lmd, fname, lumlen);
+ ret = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO, (void *)lmd);
+ } else {
+ return ret;
+ }
if (ret) {
if (errno == ENOTTY) {
* Do the regular lstat(2) instead. */
ret = lstat_f(path, st);
if (ret) {
- llapi_err(LLAPI_MSG_ERROR,
- "error: %s: lstat failed for %s",
- __func__, path);
- return ret;
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "error: %s: lstat failed for %s",
+ __func__, path);
}
} else if (errno == ENOENT) {
- llapi_err(LLAPI_MSG_WARN,
- "warning: %s: %s does not exist",
- __func__, path);
- return -ENOENT;
+ ret = -errno;
+ llapi_error(LLAPI_MSG_WARN, ret,
+ "warning: %s: %s does not exist",
+ __func__, path);
+ } else if (errno != EISDIR) {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "%s ioctl failed for %s.",
+ dir ? "LL_IOC_MDC_GETINFO" :
+ "IOC_MDC_GETFILEINFO", path);
} else {
- llapi_err(LLAPI_MSG_ERROR,
- "error: %s: IOC_MDC_GETFILEINFO failed for %s",
- __func__, path);
- return ret;
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "error: %s: IOC_MDC_GETFILEINFO failed for %s",
+ __func__, path);
}
}
+ return ret;
+}
- return 0;
+int llapi_mds_getfileinfo(char *path, DIR *parent,
+ struct lov_user_mds_data *lmd)
+{
+ int lumlen = get_mds_md_size(path);
+
+ return get_lmd_info(path, parent, NULL, lmd, lumlen);
}
static int llapi_semantic_traverse(char *path, int size, DIR *parent,
d = opendir(path);
if (!d && errno != ENOTDIR) {
- llapi_err(LLAPI_MSG_ERROR, "%s: Failed to open '%s'",
- __func__, path);
- return -EINVAL;
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret, "%s: Failed to open '%s'",
+ __func__, path);
+ return ret;
} else if (!d && !parent) {
/* ENOTDIR. Open the parent dir. */
p = opendir_parent(path);
if (!p)
- GOTO(out, ret = -EINVAL);
+ GOTO(out, ret = -errno);
}
if (sem_init && (ret = sem_init(path, parent ?: p, d, data, de)))
path[len] = 0;
if ((len + dent->d_reclen + 2) > size) {
- llapi_err(LLAPI_MSG_ERROR,
- "error: %s: string buffer is too small",
- __func__);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error: %s: string buffer is too small",
+ __func__);
break;
}
strcat(path, "/");
switch (dent->d_type) {
case DT_UNKNOWN:
- llapi_err(LLAPI_MSG_ERROR,
- "error: %s: '%s' is UNKNOWN type %d",
- __func__, dent->d_name, dent->d_type);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error: %s: '%s' is UNKNOWN type %d",
+ __func__, dent->d_name, dent->d_type);
break;
case DT_DIR:
ret = llapi_semantic_traverse(path, size, d, sem_init,
char *buf;
if (len > PATH_MAX) {
- llapi_err(LLAPI_MSG_ERROR, "Path name '%s' is too long", path);
- return -EINVAL;
+ ret = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "Path name '%s' is too long", path);
+ return ret;
}
buf = (char *)malloc(PATH_MAX + 1);
if (!buf)
return -ENOMEM;
- ret = common_param_init(param);
+ strncpy(buf, path, PATH_MAX + 1);
+ ret = common_param_init(param, buf);
if (ret)
goto out;
param->depth = 0;
- strncpy(buf, path, PATH_MAX + 1);
ret = llapi_semantic_traverse(buf, PATH_MAX + 1, NULL, sem_init,
sem_fini, param, NULL);
out:
{
int rc = ioctl(fd, OBD_IOC_GETNAME, lov_name);
if (rc) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "error: can't get lov name.");
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: can't get lov name.");
+ }
+ return rc;
+}
+
+int llapi_file_fget_lmv_uuid(int fd, struct obd_uuid *lov_name)
+{
+ int rc = ioctl(fd, OBD_IOC_GETMDNAME, lov_name);
+ if (rc) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: can't get lmv name.");
}
return rc;
}
fd = open(path, O_RDONLY);
if (fd < 0) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "error opening %s", path);
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error opening %s", path);
return rc;
}
rc = llapi_file_fget_lov_uuid(fd, lov_uuid);
close(fd);
-
return rc;
}
+enum tgt_type {
+ LOV_TYPE = 1,
+ LMV_TYPE
+};
/*
* If uuidp is NULL, return the number of available obd uuids.
* If uuidp is non-NULL, then it will return the uuids of the obds. If
* there are more OSTs then allocated to uuidp, then an error is returned with
* the ost_count set to number of available obd uuids.
*/
-int llapi_lov_get_uuids(int fd, struct obd_uuid *uuidp, int *ost_count)
+static int llapi_get_target_uuids(int fd, struct obd_uuid *uuidp,
+ int *ost_count, enum tgt_type type)
{
- struct obd_uuid lov_name;
+ struct obd_uuid name;
char buf[1024];
FILE *fp;
int rc = 0, index = 0;
/* Get the lov name */
- rc = llapi_file_fget_lov_uuid(fd, &lov_name);
- if (rc)
- return rc;
+ if (type == LOV_TYPE) {
+ rc = llapi_file_fget_lov_uuid(fd, &name);
+ if (rc)
+ return rc;
+ } else {
+ rc = llapi_file_fget_lmv_uuid(fd, &name);
+ if (rc)
+ return rc;
+ }
/* Now get the ost uuids from /proc */
- snprintf(buf, sizeof(buf), "/proc/fs/lustre/lov/%s/target_obd",
- lov_name.uuid);
+ snprintf(buf, sizeof(buf), "/proc/fs/lustre/%s/%s/target_obd",
+ type == LOV_TYPE ? "lov" : "lmv", name.uuid);
fp = fopen(buf, "r");
if (fp == NULL) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "error: opening '%s'", buf);
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: opening '%s'", buf);
return rc;
}
fclose(fp);
- if (uuidp && (index >= *ost_count))
- return -EOVERFLOW;
+ if (uuidp && (index > *ost_count))
+ rc = -EOVERFLOW;
*ost_count = index;
return rc;
}
+int llapi_lov_get_uuids(int fd, struct obd_uuid *uuidp, int *ost_count)
+{
+ return llapi_get_target_uuids(fd, uuidp, ost_count, LOV_TYPE);
+}
+
int llapi_get_obd_count(char *mnt, int *count, int is_mdt)
{
DIR *root;
root = opendir(mnt);
if (!root) {
- llapi_err(LLAPI_MSG_ERROR, "open %s failed", mnt);
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
+ return rc;
}
*count = is_mdt;
rc = ioctl(dirfd(root), LL_IOC_GETOBDCOUNT, count);
+ if (rc < 0)
+ rc = -errno;
closedir(root);
return rc;
* returned in param->obdindex */
static int setup_obd_uuid(DIR *dir, char *dname, struct find_param *param)
{
- struct obd_uuid lov_uuid;
+ struct obd_uuid obd_uuid;
char uuid[sizeof(struct obd_uuid)];
char buf[1024];
FILE *fp;
if (param->got_uuids)
return rc;
- /* Get the lov name */
- rc = llapi_file_fget_lov_uuid(dirfd(dir), &lov_uuid);
+ /* Get the lov/lmv name */
+ if (param->get_lmv)
+ rc = llapi_file_fget_lmv_uuid(dirfd(dir), &obd_uuid);
+ else
+ rc = llapi_file_fget_lov_uuid(dirfd(dir), &obd_uuid);
if (rc) {
- if (errno != ENOTTY) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR,
- "error: can't get lov name: %s", dname);
+ if (rc != -ENOTTY) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: can't get lov name: %s", dname);
} else {
rc = 0;
}
param->got_uuids = 1;
/* Now get the ost uuids from /proc */
- snprintf(buf, sizeof(buf), "/proc/fs/lustre/lov/%s/target_obd",
- lov_uuid.uuid);
+ snprintf(buf, sizeof(buf), "/proc/fs/lustre/%s/%s/target_obd",
+ param->get_lmv ? "lmv" : "lov", obd_uuid.uuid);
fp = fopen(buf, "r");
if (fp == NULL) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "error: opening '%s'", buf);
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: opening '%s'", buf);
return rc;
}
if (!param->obduuid && !param->quiet && !param->obds_printed)
- llapi_printf(LLAPI_MSG_NORMAL, "OBDS:\n");
+ llapi_printf(LLAPI_MSG_NORMAL, "%s:\n",
+ param->get_lmv ? "MDTS" : "OBDS:");
while (fgets(buf, sizeof(buf), fp) != NULL) {
if (sscanf(buf, "%d: %s", &index, uuid) < 2)
/* In this case, param->obduuid will be an array of obduuids and
* obd index for all these obduuids will be returned in
* param->obdindexes */
-static int setup_obd_indexes(DIR *dir, struct find_param *param)
+static int setup_indexes(DIR *dir, char *path, struct obd_uuid *obduuids,
+ int num_obds, int **obdindexes, int *obdindex,
+ enum tgt_type type)
{
+ int ret, obdcount, obd_valid = 0, obdnum, i;
struct obd_uuid *uuids = NULL;
- int obdcount = INIT_ALLOC_NUM_OSTS;
- int ret, obd_valid = 0, obdnum, i;
+ char buf[16];
+ int *indexes;
- uuids = (struct obd_uuid *)malloc(INIT_ALLOC_NUM_OSTS *
+ ret = get_param_obdvar(NULL, path, type == LOV_TYPE ? "lov" : "lmv",
+ "numobd", buf, sizeof(buf));
+ if (ret)
+ return ret;
+
+ obdcount = atoi(buf);
+ uuids = (struct obd_uuid *)malloc(obdcount *
sizeof(struct obd_uuid));
if (uuids == NULL)
return -ENOMEM;
retry_get_uuids:
- ret = llapi_lov_get_uuids(dirfd(dir), uuids,
- &obdcount);
+ ret = llapi_get_target_uuids(dirfd(dir), uuids, &obdcount, type);
if (ret) {
struct obd_uuid *uuids_temp;
if (ret == -EOVERFLOW) {
uuids_temp = realloc(uuids, obdcount *
sizeof(struct obd_uuid));
- if (uuids_temp != NULL)
+ if (uuids_temp != NULL) {
+ uuids = uuids_temp;
goto retry_get_uuids;
+ }
else
ret = -ENOMEM;
}
- llapi_err(LLAPI_MSG_ERROR, "get ost uuid failed");
- return ret;
+ llapi_error(LLAPI_MSG_ERROR, ret, "get ost uuid failed");
+ goto out_free;
}
- param->obdindexes = malloc(param->num_obds * sizeof(param->obdindex));
- if (param->obdindexes == NULL)
- return -ENOMEM;
+ indexes = malloc(num_obds * sizeof(*obdindex));
+ if (indexes == NULL) {
+ ret = -ENOMEM;
+ goto out_free;
+ }
- for (obdnum = 0; obdnum < param->num_obds; obdnum++) {
- for (i = 0; i < obdcount; i++) {
- if (llapi_uuid_match(uuids[i].uuid,
- param->obduuid[obdnum].uuid)) {
- param->obdindexes[obdnum] = i;
- obd_valid++;
- break;
+ for (obdnum = 0; obdnum < num_obds; obdnum++) {
+ char *end = NULL;
+
+ /* The user may have specified a simple index */
+ i = strtol(obduuids[obdnum].uuid, &end, 0);
+ if (end && *end == '\0' && i < obdcount) {
+ indexes[obdnum] = i;
+ obd_valid++;
+ } else {
+ for (i = 0; i < obdcount; i++) {
+ if (llapi_uuid_match(uuids[i].uuid,
+ obduuids[obdnum].uuid)) {
+ indexes[obdnum] = i;
+ obd_valid++;
+ break;
+ }
}
}
if (i >= obdcount) {
- param->obdindexes[obdnum] = OBD_NOT_FOUND;
+ indexes[obdnum] = OBD_NOT_FOUND;
llapi_err_noerrno(LLAPI_MSG_ERROR,
"error: %s: unknown obduuid: %s",
- __func__,
- param->obduuid[obdnum].uuid);
+ __func__, obduuids[obdnum].uuid);
ret = -EINVAL;
}
}
if (obd_valid == 0)
- param->obdindex = OBD_NOT_FOUND;
+ *obdindex = OBD_NOT_FOUND;
else
- param->obdindex = obd_valid;
+ *obdindex = obd_valid;
- param->got_uuids = 1;
+ *obdindexes = indexes;
+out_free:
+ if (uuids)
+ free(uuids);
+
+ return ret;
+}
+
+static int setup_target_indexes(DIR *dir, char *path, struct find_param *param)
+{
+ int ret = 0;
+ if (param->mdtuuid) {
+ ret = setup_indexes(dir, path, param->mdtuuid, param->num_mdts,
+ ¶m->mdtindexes, ¶m->mdtindex, LMV_TYPE);
+ if (ret)
+ return ret;
+ }
+ if (param->obduuid) {
+ ret = setup_indexes(dir, path, param->obduuid, param->num_obds,
+ ¶m->obdindexes, ¶m->obdindex, LOV_TYPE);
+ if (ret)
+ return ret;
+ }
+ param->got_uuids = 1;
return ret;
}
return ret;
}
+/*
+ * Given a filesystem name, or a pathname of a file on a lustre filesystem,
+ * tries to determine the path to the filesystem's clilov directory under /proc
+ *
+ * fsname is limited to MTI_NAME_MAXLEN in lustre_idl.h
+ * The NUL terminator is compensated by the additional "%s" bytes. */
+#define LOV_LEN (sizeof("/proc/fs/lustre/lov/%s-clilov-*") + MTI_NAME_MAXLEN)
+static int clilovpath(const char *fsname, const char *const pathname,
+ char *clilovpath)
+{
+ int rc;
+ char pattern[LOV_LEN];
+ char buffer[PATH_MAX + 1];
+
+ if (fsname == NULL) {
+ rc = llapi_search_fsname(pathname, buffer);
+ if (rc != 0)
+ return rc;
+ fsname = buffer;
+ }
+
+ snprintf(pattern, sizeof(pattern), "/proc/fs/lustre/lov/%s-clilov-*",
+ fsname);
+
+ rc = first_match(pattern, buffer);
+ if (rc != 0)
+ return rc;
+
+ strncpy(clilovpath, buffer, sizeof(buffer));
+
+ return 0;
+}
+
+/*
+ * Given the path to a stripe attribute proc file, tries to open and
+ * read the attribute and return the value using the attr parameter
+ */
+static int sattr_read_attr(const char *const fpath,
+ unsigned int *attr)
+{
+
+ FILE *f;
+ char line[PATH_MAX + 1];
+ int rc = 0;
+
+ f = fopen(fpath, "r");
+ if (f == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "Cannot open '%s'", fpath);
+ return rc;
+ }
+
+ if (fgets(line, sizeof(line), f) != NULL) {
+ *attr = atoi(line);
+ } else {
+ llapi_error(LLAPI_MSG_ERROR, errno, "Cannot read from '%s'", fpath);
+ rc = 1;
+ }
+
+ fclose(f);
+ return rc;
+}
+
+/*
+ * Tries to determine the default stripe attributes for a given filesystem. The
+ * filesystem to check should be specified by fsname, or will be determined
+ * using pathname.
+ */
+static int sattr_get_defaults(const char *const fsname,
+ const char *const pathname,
+ unsigned int *scount,
+ unsigned int *ssize,
+ unsigned int *soffset)
+{
+ int rc;
+ char dpath[PATH_MAX + 1];
+ char fpath[PATH_MAX + 1];
+
+ rc = clilovpath(fsname, pathname, dpath);
+ if (rc != 0)
+ return rc;
+
+ if (scount) {
+ snprintf(fpath, PATH_MAX, "%s/stripecount", dpath);
+ rc = sattr_read_attr(fpath, scount);
+ if (rc != 0)
+ return rc;
+ }
+
+ if (ssize) {
+ snprintf(fpath, PATH_MAX, "%s/stripesize", dpath);
+ rc = sattr_read_attr(fpath, ssize);
+ if (rc != 0)
+ return rc;
+ }
+
+ if (soffset) {
+ snprintf(fpath, PATH_MAX, "%s/stripeoffset", dpath);
+ rc = sattr_read_attr(fpath, soffset);
+ if (rc != 0)
+ return rc;
+ }
+
+ return 0;
+}
+
+/*
+ * Tries to gather the default stripe attributes for a given filesystem. If
+ * the attributes can be determined, they are cached for easy retreival the
+ * next time they are needed. Only a single filesystem's attributes are
+ * cached at a time.
+ */
+static int sattr_cache_get_defaults(const char *const fsname,
+ const char *const pathname,
+ unsigned int *scount,
+ unsigned int *ssize,
+ unsigned int *soffset)
+{
+ static struct {
+ char fsname[PATH_MAX + 1];
+ unsigned int stripecount;
+ unsigned int stripesize;
+ unsigned int stripeoffset;
+ } cache = {
+ .fsname = {'\0'}
+ };
+
+ int rc;
+ char fsname_buf[PATH_MAX + 1];
+ unsigned int tmp[3];
+
+ if (fsname == NULL) {
+ rc = llapi_search_fsname(pathname, fsname_buf);
+ if (rc)
+ return rc;
+ } else {
+ strncpy(fsname_buf, fsname, PATH_MAX);
+ }
+
+ if (strncmp(fsname_buf, cache.fsname, PATH_MAX) != 0) {
+ /*
+ * Ensure all 3 sattrs (count, size, and offset) are
+ * successfully retrieved and stored in tmp before writing to
+ * cache.
+ */
+ rc = sattr_get_defaults(fsname_buf, NULL, &tmp[0], &tmp[1],
+ &tmp[2]);
+ if (rc != 0)
+ return rc;
+
+ cache.stripecount = tmp[0];
+ cache.stripesize = tmp[1];
+ cache.stripeoffset = tmp[2];
+ strncpy(cache.fsname, fsname_buf, PATH_MAX);
+ }
+
+ if (scount)
+ *scount = cache.stripecount;
+ if (ssize)
+ *ssize = cache.stripesize;
+ if (soffset)
+ *soffset = cache.stripeoffset;
+
+ return 0;
+}
+
static void lov_dump_user_lmm_header(struct lov_user_md *lum, char *path,
struct lov_user_ost_data_v1 *objects,
int is_dir, int verbose, int depth,
- char *pool_name)
+ int raw, char *pool_name)
{
char *prefix = is_dir ? "" : "lmm_";
char nl = is_dir ? ' ' : '\n';
+ int rc;
- if (is_dir && lum->lmm_object_seq == LOV_OBJECT_GROUP_DEFAULT) {
- lum->lmm_object_seq = LOV_OBJECT_GROUP_CLEAR;
+ if (is_dir && lum->lmm_object_seq == FID_SEQ_LOV_DEFAULT) {
+ lum->lmm_object_seq = FID_SEQ_OST_MDT0;
if (verbose & VERBOSE_DETAIL)
llapi_printf(LLAPI_MSG_NORMAL, "(Default) ");
}
if (verbose & ~VERBOSE_COUNT)
llapi_printf(LLAPI_MSG_NORMAL, "%sstripe_count: ",
prefix);
- llapi_printf(LLAPI_MSG_NORMAL, "%hd%c",
- (__s16)lum->lmm_stripe_count, nl);
+ if (is_dir) {
+ if (!raw && lum->lmm_stripe_count == 0) {
+ unsigned int scount;
+ rc = sattr_cache_get_defaults(NULL, path,
+ &scount, NULL,
+ NULL);
+ if (rc == 0)
+ llapi_printf(LLAPI_MSG_NORMAL, "%d%c",
+ scount, nl);
+ else
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Cannot determine default"
+ " stripe count.");
+ } else {
+ llapi_printf(LLAPI_MSG_NORMAL, "%d%c",
+ lum->lmm_stripe_count ==
+ (typeof(lum->lmm_stripe_count))(-1)
+ ? -1 : lum->lmm_stripe_count, nl);
+ }
+ } else {
+ llapi_printf(LLAPI_MSG_NORMAL, "%hd%c",
+ (__s16)lum->lmm_stripe_count, nl);
+ }
}
if (verbose & VERBOSE_SIZE) {
if (verbose & ~VERBOSE_SIZE)
llapi_printf(LLAPI_MSG_NORMAL, "%sstripe_size: ",
prefix);
- llapi_printf(LLAPI_MSG_NORMAL, "%u%c", lum->lmm_stripe_size,
- nl);
+ if (is_dir && !raw && lum->lmm_stripe_size == 0) {
+ unsigned int ssize;
+ rc = sattr_cache_get_defaults(NULL, path, NULL, &ssize,
+ NULL);
+ if (rc == 0)
+ llapi_printf(LLAPI_MSG_NORMAL, "%u%c", ssize,
+ nl);
+ else
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Cannot determine default"
+ " stripe size.");
+ } else {
+ llapi_printf(LLAPI_MSG_NORMAL, "%u%c",
+ lum->lmm_stripe_size, nl);
+ }
}
if ((verbose & VERBOSE_DETAIL) && !is_dir) {
lum->lmm_pattern, nl);
}
+ if ((verbose & VERBOSE_GENERATION) && !is_dir) {
+ if (verbose & ~VERBOSE_GENERATION)
+ llapi_printf(LLAPI_MSG_NORMAL, "%slayout_gen: ",
+ prefix);
+ llapi_printf(LLAPI_MSG_NORMAL, "%u%c",
+ (int)lum->u.lum_layout_gen, nl);
+ }
+
if (verbose & VERBOSE_OFFSET) {
if (verbose & ~VERBOSE_OFFSET)
llapi_printf(LLAPI_MSG_NORMAL, "%sstripe_offset: ",
prefix);
- if (is_dir)
+ if (is_dir)
llapi_printf(LLAPI_MSG_NORMAL, "%d%c",
lum->lmm_stripe_offset ==
(typeof(lum->lmm_stripe_offset))(-1) ? -1 :
}
if ((verbose & VERBOSE_POOL) && (pool_name != NULL)) {
- llapi_printf(LLAPI_MSG_NORMAL, "pool: %s", pool_name);
- is_dir = 1;
+ if (verbose & ~VERBOSE_POOL)
+ llapi_printf(LLAPI_MSG_NORMAL, "%spool: ",
+ prefix);
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%c", pool_name, nl);
}
if (is_dir && (verbose != VERBOSE_OBJID))
void lov_dump_user_lmm_v1v3(struct lov_user_md *lum, char *pool_name,
struct lov_user_ost_data_v1 *objects,
- char *path, int is_dir,
- int obdindex, int depth, int header)
+ char *path, int is_dir, int obdindex,
+ int depth, int header, int raw)
{
int i, obdstripe = (obdindex != OBD_NOT_FOUND) ? 0 : 1;
}
if (obdstripe == 1)
- lov_dump_user_lmm_header(lum, path, objects, is_dir, header, depth,
- pool_name);
+ lov_dump_user_lmm_header(lum, path, objects, is_dir, header,
+ depth, raw, pool_name);
if (!is_dir && (header & VERBOSE_OBJID)) {
if (obdstripe == 1)
param->lmd->lmd_lmm.lmm_objects,
path, is_dir,
param->obdindex, param->maxdepth,
- param->verbose);
+ param->verbose, param->raw);
break;
case LOV_USER_MAGIC_V3: {
char pool_name[LOV_MAXPOOLNAME + 1];
lov_dump_user_lmm_v1v3(¶m->lmd->lmd_lmm, pool_name,
objects, path, is_dir,
param->obdindex, param->maxdepth,
- param->verbose);
+ param->verbose, param->raw);
break;
}
default:
if (fname == NULL) {
dname = (char *)malloc(2);
if (dname == NULL)
- return ENOMEM;
+ return -ENOMEM;
strcpy(dname, ".");
fname = (char *)path;
} else {
dname = (char *)malloc(fname - path + 1);
if (dname == NULL)
- return ENOMEM;
+ return -ENOMEM;
strncpy(dname, path, fname - path);
dname[fname - path] = '\0';
fname++;
}
- if ((fd = open(dname, O_RDONLY)) == -1) {
- rc = errno;
+ fd = open(dname, O_RDONLY);
+ if (fd == -1) {
+ rc = -errno;
free(dname);
return rc;
}
strcpy((char *)lum, fname);
if (ioctl(fd, IOC_MDC_GETFILESTRIPE, (void *)lum) == -1)
- rc = errno;
+ rc = -errno;
if (close(fd) == -1 && rc == 0)
- rc = errno;
+ rc = -errno;
free(dname);
-
return rc;
}
rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
if (rc) {
- llapi_err(LLAPI_MSG_ERROR,
- "error: IOC_MDC_LOOKUP pack failed for '%s': rc %d",
- name, rc);
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: IOC_MDC_LOOKUP pack failed for '%s': rc %d",
+ name, rc);
return rc;
}
- return ioctl(dirfd, IOC_MDC_LOOKUP, buf);
+ rc = ioctl(dirfd, IOC_MDC_LOOKUP, buf);
+ if (rc < 0)
+ rc = -errno;
+ return rc;
}
/* Check if the value matches 1 of the given criteria (e.g. --atime +/-N).
* sign), 1st column is the answer for the MDS value, the 2nd is for the OST:
* --------------------------------------
* 1 | file > limit; sign > 0 | -1 / -1 |
- * 2 | file = limit; sign > 0 | ? / 1 |
+ * 2 | file = limit; sign > 0 | -1 / -1 |
* 3 | file < limit; sign > 0 | ? / 1 |
* 4 | file > limit; sign = 0 | -1 / -1 |
* 5 | file = limit; sign = 0 | ? / 1 | <- (see the Note below)
* --------------------------------------
* Note: 5th actually means that the value is within the interval
* (limit - margin, limit]. */
-static int find_value_cmp(unsigned int file, unsigned int limit, int sign,
- int negopt, unsigned long long margin, int mds)
+static int find_value_cmp(unsigned long long file, unsigned long long limit,
+ int sign, int negopt, unsigned long long margin,
+ int mds)
{
int ret = -1;
-
+
if (sign > 0) {
- if (file <= limit)
+ /* Drop the fraction of margin (of days). */
+ if (file + margin <= limit)
ret = mds ? 0 : 1;
} else if (sign == 0) {
- if (file <= limit && file + margin >= limit)
+ if (file <= limit && file + margin > limit)
ret = mds ? 0 : 1;
else if (file + margin <= limit)
ret = mds ? 0 : -1;
} else if (sign < 0) {
- if (file >= limit)
+ if (file > limit)
ret = 1;
else if (mds)
ret = 0;
* updated timestamps. */
static int find_time_check(lstat_t *st, struct find_param *param, int mds)
{
- int ret;
- int rc = 0;
+ int ret;
+ int rc = 1;
+
+ /* Check if file is accepted. */
+ if (param->atime) {
+ ret = find_value_cmp(st->st_atime, param->atime,
+ param->asign, param->exclude_atime,
+ 24 * 60 * 60, mds);
+ if (ret < 0)
+ return ret;
+ rc = ret;
+ }
+
+ if (param->mtime) {
+ ret = find_value_cmp(st->st_mtime, param->mtime,
+ param->msign, param->exclude_mtime,
+ 24 * 60 * 60, mds);
+ if (ret < 0)
+ return ret;
+
+ /* If the previous check matches, but this one is not yet clear,
+ * we should return 0 to do an RPC on OSTs. */
+ if (rc == 1)
+ rc = ret;
+ }
+
+ if (param->ctime) {
+ ret = find_value_cmp(st->st_ctime, param->ctime,
+ param->csign, param->exclude_ctime,
+ 24 * 60 * 60, mds);
+ if (ret < 0)
+ return ret;
+
+ /* If the previous check matches, but this one is not yet clear,
+ * we should return 0 to do an RPC on OSTs. */
+ if (rc == 1)
+ rc = ret;
+ }
+
+ return rc;
+}
+
+/**
+ * Check whether the stripes matches the indexes user provided
+ * 1 : matched
+ * 0 : Unmatched
+ */
+static int check_obd_match(struct find_param *param)
+{
+ lstat_t *st = ¶m->lmd->lmd_st;
+ struct lov_user_ost_data_v1 *lmm_objects;
+ int i, j;
+
+ if (param->obduuid && param->obdindex == OBD_NOT_FOUND)
+ return 0;
+
+ if (!S_ISREG(st->st_mode))
+ return 0;
+
+ /* Only those files should be accepted, which have a
+ * stripe on the specified OST. */
+ if (!param->lmd->lmd_lmm.lmm_stripe_count)
+ return 0;
+
+ if (param->lmd->lmd_lmm.lmm_magic ==
+ LOV_USER_MAGIC_V3) {
+ struct lov_user_md_v3 *lmmv3 = (void *)¶m->lmd->lmd_lmm;
+
+ lmm_objects = lmmv3->lmm_objects;
+ } else if (param->lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V1) {
+ lmm_objects = param->lmd->lmd_lmm.lmm_objects;
+ } else {
+ llapi_err_noerrno(LLAPI_MSG_ERROR, "%s:Unknown magic: 0x%08X\n",
+ __func__, param->lmd->lmd_lmm.lmm_magic);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < param->lmd->lmd_lmm.lmm_stripe_count; i++) {
+ for (j = 0; j < param->num_obds; j++) {
+ if (param->obdindexes[j] ==
+ lmm_objects[i].l_ost_idx) {
+ if (param->exclude_obd)
+ return 0;
+ return 1;
+ }
+ }
+ }
+
+ if (param->exclude_obd)
+ return 1;
+ return 0;
+}
+
+static int check_mdt_match(struct find_param *param)
+{
+ int i;
- /* Check if file is accepted. */
- if (param->atime) {
- ret = find_value_cmp(st->st_atime, param->atime,
- param->asign, param->exclude_atime,
- 24 * 60 * 60, mds);
- if (ret < 0)
- return ret;
- rc = ret;
+ if (param->mdtuuid && param->mdtindex == OBD_NOT_FOUND)
+ return 0;
+
+ /* FIXME: For striped dir, we should get stripe information and check */
+ for (i = 0; i < param->num_mdts; i++) {
+ if (param->mdtindexes[i] == param->file_mdtindex)
+ if (param->exclude_mdt)
+ return 0;
+ return 1;
}
- if (param->mtime) {
- ret = find_value_cmp(st->st_mtime, param->mtime,
- param->msign, param->exclude_mtime,
- 24 * 60 * 60, mds);
- if (ret < 0)
- return ret;
+ if (param->exclude_mdt)
+ return 1;
+ return 0;
+}
- /* If the previous check matches, but this one is not yet clear,
- * we should return 0 to do an RPC on OSTs. */
- if (rc == 1)
- rc = ret;
- }
+/**
+ * Check whether the obd is active or not, if it is
+ * not active, just print the object affected by this
+ * failed target
+ **/
+static int print_failed_tgt(struct find_param *param, char *path, int type)
+{
+ struct obd_statfs stat_buf;
+ struct obd_uuid uuid_buf;
+ int ret;
- if (param->ctime) {
- ret = find_value_cmp(st->st_ctime, param->ctime,
- param->csign, param->exclude_ctime,
- 24 * 60 * 60, mds);
- if (ret < 0)
- return ret;
+ LASSERT(type == LL_STATFS_LOV || type == LL_STATFS_LMV);
- /* If the previous check matches, but this one is not yet clear,
- * we should return 0 to do an RPC on OSTs. */
- if (rc == 1)
- rc = ret;
+ memset(&stat_buf, 0, sizeof(struct obd_statfs));
+ memset(&uuid_buf, 0, sizeof(struct obd_uuid));
+ ret = llapi_obd_statfs(path, type,
+ param->obdindex, &stat_buf,
+ &uuid_buf);
+ if (ret) {
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "obd_uuid: %s failed %s ",
+ param->obduuid->uuid,
+ strerror(errno));
}
-
- return rc;
+ return ret;
}
static int cb_find_init(char *path, DIR *parent, DIR *dir,
LASSERT(parent != NULL || dir != NULL);
- param->lmd->lmd_lmm.lmm_stripe_count = 0;
+ if (param->have_fileinfo == 0)
+ param->lmd->lmd_lmm.lmm_stripe_count = 0;
/* If a regular expression is presented, make the initial decision */
if (param->pattern != NULL) {
}
}
+ ret = 0;
- /* If a time or OST should be checked, the decision is not taken yet. */
- if (param->atime || param->ctime || param->mtime || param->obduuid ||
- param->check_size)
+ /* Request MDS for the stat info if some of these parameters need
+ * to be compared. */
+ if (param->obduuid || param->mdtuuid || param->check_uid ||
+ param->check_gid || param->check_pool || param->atime ||
+ param->ctime || param->mtime || param->check_size ||
+ param->check_stripecount || param->check_stripesize)
decision = 0;
- ret = 0;
- /* Request MDS for the stat info. */
- if (param->have_fileinfo == 0) {
- if (dir) {
- /* retrieve needed file info */
- ret = ioctl(dirfd(dir), LL_IOC_MDC_GETINFO,
- (void *)param->lmd);
- } else {
- char *fname = strrchr(path, '/');
- fname = (fname == NULL ? path : fname + 1);
-
- /* retrieve needed file info */
- strncpy((char *)param->lmd, fname, param->lumlen);
- ret = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO,
- (void *)param->lmd);
- }
- }
+ if (param->type && checked_type == 0)
+ decision = 0;
- if (ret) {
- if (errno == ENOTTY) {
- /* ioctl is not supported, it is not a lustre fs.
- * Do the regular lstat(2) instead. */
- lustre_fs = 0;
- ret = lstat_f(path, st);
- if (ret) {
- llapi_err(LLAPI_MSG_ERROR,
- "error: %s: lstat failed for %s",
- __func__, path);
- return ret;
+ if (param->have_fileinfo == 0 && decision == 0) {
+ ret = get_lmd_info(path, parent, dir, param->lmd,
+ param->lumlen);
+ if (ret == 0) {
+ if (dir) {
+ ret = llapi_file_fget_mdtidx(dirfd(dir),
+ ¶m->file_mdtindex);
+ } else {
+ int fd;
+ lstat_t tmp_st;
+
+ ret = lstat_f(path, &tmp_st);
+ if (ret) {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "error: %s: lstat failed"
+ "for %s", __func__, path);
+ return ret;
+ }
+ if (S_ISREG(tmp_st.st_mode)) {
+ fd = open(path, O_RDONLY);
+ if (fd > 0) {
+ ret = llapi_file_fget_mdtidx(fd,
+ ¶m->file_mdtindex);
+ close(fd);
+ } else {
+ ret = fd;
+ }
+ } else {
+ /* For special inode, it assumes to
+ * reside on the same MDT with the
+ * parent */
+ fd = dirfd(parent);
+ ret = llapi_file_fget_mdtidx(fd,
+ ¶m->file_mdtindex);
+ }
}
- } else if (errno == ENOENT) {
- llapi_err(LLAPI_MSG_WARN,
- "warning: %s: %s does not exist",
- __func__, path);
- goto decided;
- } else {
- llapi_err(LLAPI_MSG_ERROR,"error: %s: %s failed for %s",
- __func__, dir ? "LL_IOC_MDC_GETINFO" :
- "IOC_MDC_GETFILEINFO", path);
+ }
+ if (ret) {
+ if (ret == -ENOTTY)
+ lustre_fs = 0;
+ if (ret == -ENOENT)
+ goto decided;
return ret;
}
}
}
/* Prepare odb. */
- if (param->obduuid) {
+ if (param->obduuid || param->mdtuuid) {
if (lustre_fs && param->got_uuids &&
param->st_dev != st->st_dev) {
/* A lustre/lustre mount point is crossed. */
param->got_uuids = 0;
param->obds_printed = 0;
- param->obdindex = OBD_NOT_FOUND;
+ param->obdindex = param->mdtindex = OBD_NOT_FOUND;
}
if (lustre_fs && !param->got_uuids) {
- ret = setup_obd_indexes(dir ? dir : parent, param);
+ ret = setup_target_indexes(dir ? dir : parent, path,
+ param);
if (ret)
return ret;
} else if (!lustre_fs && param->got_uuids) {
/* A lustre/non-lustre mount point is crossed. */
param->got_uuids = 0;
- param->obdindex = OBD_NOT_FOUND;
+ param->obdindex = param->mdtindex = OBD_NOT_FOUND;
}
}
- /* If an OBD UUID is specified but no one matches, skip this file. */
- if (param->obduuid && param->obdindex == OBD_NOT_FOUND)
- goto decided;
-
- /* If a OST UUID is given, and some OST matches, check it here. */
- if (param->obdindex != OBD_NOT_FOUND) {
- if (!S_ISREG(st->st_mode))
+ if (param->check_stripesize) {
+ decision = find_value_cmp(param->lmd->lmd_lmm.lmm_stripe_size,
+ param->stripesize,
+ param->stripesize_sign,
+ param->exclude_stripesize,
+ param->stripesize_units, 0);
+ if (decision == -1)
goto decided;
+ }
- /* Only those files should be accepted, which have a
- * stripe on the specified OST. */
- if (!param->lmd->lmd_lmm.lmm_stripe_count) {
+ if (param->check_stripecount) {
+ decision = find_value_cmp(param->lmd->lmd_lmm.lmm_stripe_count,
+ param->stripecount,
+ param->stripecount_sign,
+ param->exclude_stripecount, 1, 0);
+ if (decision == -1)
goto decided;
- } else {
- int i, j;
- struct lov_user_ost_data_v1 *lmm_objects;
-
- if (param->lmd->lmd_lmm.lmm_magic ==
- LOV_USER_MAGIC_V3) {
- struct lov_user_md_v3 *lmmv3 =
- (void *)¶m->lmd->lmd_lmm;
-
- lmm_objects = lmmv3->lmm_objects;
- } else {
- lmm_objects = param->lmd->lmd_lmm.lmm_objects;
- }
+ }
- for (i = 0;
- i < param->lmd->lmd_lmm.lmm_stripe_count; i++) {
- for (j = 0; j < param->num_obds; j++) {
- if (param->obdindexes[j] ==
- lmm_objects[i].l_ost_idx) {
- if (param->exclude_obd)
- goto decided;
- goto obd_matches;
- }
- }
- }
+ /* If an OBD UUID is specified but none matches, skip this file. */
+ if ((param->obduuid && param->obdindex == OBD_NOT_FOUND) ||
+ (param->mdtuuid && param->mdtindex == OBD_NOT_FOUND))
+ goto decided;
- if (i == param->lmd->lmd_lmm.lmm_stripe_count) {
- if (param->exclude_obd)
+ /* If a OST or MDT UUID is given, and some OST matches,
+ * check it here. */
+ if (param->obdindex != OBD_NOT_FOUND ||
+ param->mdtindex != OBD_NOT_FOUND) {
+ if (param->obduuid) {
+ if (check_obd_match(param)) {
+ /* If no mdtuuid is given, we are done.
+ * Otherwise, fall through to the mdtuuid
+ * check below. */
+ if (!param->mdtuuid)
goto obd_matches;
+ } else {
goto decided;
}
}
+ if (param->mdtuuid) {
+ if (check_mdt_match(param))
+ goto obd_matches;
+ goto decided;
+ }
}
-
+obd_matches:
if (param->check_uid) {
if (st->st_uid == param->uid) {
if (param->exclude_uid)
}
/* Check the time on mds. */
- if (!decision) {
+ decision = 1;
+ if (param->atime || param->ctime || param->mtime) {
int for_mds;
for_mds = lustre_fs ? (S_ISREG(st->st_mode) &&
param->lmd->lmd_lmm.lmm_stripe_count)
: 0;
decision = find_time_check(st, param, for_mds);
+ if (decision == -1)
+ goto decided;
}
-obd_matches:
/* If file still fits the request, ask ost for updated info.
The regular stat is almost of the same speed as some new
'glimpse-size-ioctl'. */
- if (!decision && S_ISREG(st->st_mode) &&
- param->lmd->lmd_lmm.lmm_stripe_count &&
- (param->check_size ||param->atime || param->mtime || param->ctime)) {
- if (param->obdindex != OBD_NOT_FOUND) {
- /* Check whether the obd is active or not, if it is
- * not active, just print the object affected by this
- * failed ost
- * */
- struct obd_statfs stat_buf;
- struct obd_uuid uuid_buf;
-
- memset(&stat_buf, 0, sizeof(struct obd_statfs));
- memset(&uuid_buf, 0, sizeof(struct obd_uuid));
- ret = llapi_obd_statfs(path, LL_STATFS_LOV,
- param->obdindex, &stat_buf,
- &uuid_buf);
- if (ret) {
- if (ret == -ENODATA || ret == -ENODEV
- || ret == -EIO)
- errno = EIO;
- llapi_printf(LLAPI_MSG_NORMAL,
- "obd_uuid: %s failed %s ",
- param->obduuid->uuid,
- strerror(errno));
- goto print_path;
- }
- }
+
+ if (param->check_size && S_ISREG(st->st_mode) &&
+ param->lmd->lmd_lmm.lmm_stripe_count)
+ decision = 0;
+
+ while (!decision) {
+ /* For regular files with the stripe the decision may have not
+ * been taken yet if *time or size is to be checked. */
+ LASSERT((S_ISREG(st->st_mode) &&
+ param->lmd->lmd_lmm.lmm_stripe_count) ||
+ param->mdtindex != OBD_NOT_FOUND);
+
+ if (param->obdindex != OBD_NOT_FOUND)
+ print_failed_tgt(param, path, LL_STATFS_LOV);
+
+ if (param->mdtindex != OBD_NOT_FOUND)
+ print_failed_tgt(param, path, LL_STATFS_LMV);
+
if (dir) {
ret = ioctl(dirfd(dir), IOC_LOV_GETINFO,
(void *)param->lmd);
if (ret) {
if (errno == ENOENT) {
- llapi_err(LLAPI_MSG_ERROR,
- "warning: %s: %s does not exist",
- __func__, path);
+ llapi_error(LLAPI_MSG_ERROR, -ENOENT,
+ "warning: %s: %s does not exist",
+ __func__, path);
goto decided;
} else {
- llapi_err(LLAPI_MSG_ERROR,
- "%s: IOC_LOV_GETINFO on %s failed",
- __func__, path);
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "%s: IOC_LOV_GETINFO on %s failed",
+ __func__, path);
return ret;
}
}
decision = find_time_check(st, param, 0);
if (decision == -1)
goto decided;
+
+ break;
}
if (param->check_size)
param->size_sign, param->exclude_size,
param->size_units, 0);
-print_path:
if (decision != -1) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", path);
if (param->zeroend)
*/
int llapi_file_fget_mdtidx(int fd, int *mdtidx)
{
- if (ioctl(fd, LL_IOC_GET_MDTIDX, &mdtidx) < 0)
+ if (ioctl(fd, LL_IOC_GET_MDTIDX, mdtidx) < 0)
return -errno;
return 0;
}
ret = llapi_file_fget_mdtidx(fd, &mdtidx);
close(fd);
} else {
- ret = fd;
+ ret = -errno;
}
}
if (ret) {
- if (errno == ENODATA) {
+ if (ret == -ENODATA) {
if (!param->obduuid)
llapi_printf(LLAPI_MSG_NORMAL,
"%s has no stripe info\n", path);
goto out;
- } else if (errno == ENOTTY) {
- llapi_err(LLAPI_MSG_ERROR,
- "%s: '%s' not on a Lustre fs?",
- __func__, path);
- } else if (errno == ENOENT) {
- llapi_err(LLAPI_MSG_WARN,
- "warning: %s: %s does not exist",
- __func__, path);
+ } else if (ret == -ENOENT) {
+ llapi_error(LLAPI_MSG_WARN, ret,
+ "warning: %s: %s does not exist",
+ __func__, path);
goto out;
+ } else if (ret == -ENOTTY) {
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "%s: '%s' not on a Lustre fs?",
+ __func__, path);
} else {
- llapi_err(LLAPI_MSG_ERROR,
- "error: %s: LL_IOC_GET_MDTIDX failed for %s",
- __func__, path);
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "error: %s: LL_IOC_GET_MDTIDX failed for %s",
+ __func__, path);
}
return ret;
}
- if (param->quiet)
+ /* The 'LASSERT(parent != NULL || d != NULL);' guarantees
+ * that either 'd' or 'parent' is not null.
+ * So in all cases llapi_file_fget_mdtidx() is called,
+ * thus initializing 'mdtidx'. */
+ if (param->quiet || !(param->verbose & VERBOSE_DETAIL))
+ /* coverity[uninit_use_in_call] */
llapi_printf(LLAPI_MSG_NORMAL, "%d\n", mdtidx);
else
- llapi_printf(LLAPI_MSG_NORMAL, "%s MDT index: %d\n",
+ /* coverity[uninit_use_in_call] */
+ llapi_printf(LLAPI_MSG_NORMAL, "%s\nmdt_index:\t%d\n",
path, mdtidx);
out:
}
if (ret) {
- if (errno == ENODATA) {
+ if (errno == ENODATA && d != NULL) {
+ /* We need to "fake" the "use the default" values
+ * since the lmm struct is zeroed out at this point.
+ * The magic needs to be set in order to satisfy
+ * a check later on in the code path.
+ * The object_seq needs to be set for the "(Default)"
+ * prefix to be displayed. */
+ struct lov_user_md *lmm = ¶m->lmd->lmd_lmm;
+ lmm->lmm_magic = LOV_MAGIC_V1;
+ if (!param->raw)
+ lmm->lmm_object_seq = FID_SEQ_LOV_DEFAULT;
+ lmm->lmm_stripe_count = 0;
+ lmm->lmm_stripe_size = 0;
+ lmm->lmm_stripe_offset = -1;
+ goto dump;
+
+ } else if (errno == ENODATA && parent != NULL) {
if (!param->obduuid)
llapi_printf(LLAPI_MSG_NORMAL,
"%s has no stripe info\n", path);
goto out;
- } else if (errno == ENOTTY) {
- llapi_err(LLAPI_MSG_ERROR,
- "%s: '%s' not on a Lustre fs?",
- __func__, path);
} else if (errno == ENOENT) {
- llapi_err(LLAPI_MSG_WARN,
- "warning: %s: %s does not exist",
- __func__, path);
+ llapi_error(LLAPI_MSG_WARN, -ENOENT,
+ "warning: %s: %s does not exist",
+ __func__, path);
goto out;
+ } else if (errno == ENOTTY) {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "%s: '%s' not on a Lustre fs?",
+ __func__, path);
} else {
- llapi_err(LLAPI_MSG_ERROR,
- "error: %s: %s failed for %s",
- __func__, d ? "LL_IOC_LOV_GETSTRIPE" :
- "IOC_MDC_GETFILESTRIPE", path);
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "error: %s: %s failed for %s",
+ __func__, d ? "LL_IOC_LOV_GETSTRIPE" :
+ "IOC_MDC_GETFILESTRIPE", path);
}
return ret;
}
- if (!param->get_mdt_index)
+dump:
+ if (!(param->verbose & VERBOSE_MDTINDEX))
llapi_lov_dump_user_lmm(param, path, d ? 1 : 0);
out:
int llapi_getstripe(char *path, struct find_param *param)
{
- return param_callback(path, param->get_mdt_index ?
+ return param_callback(path, (param->verbose & VERBOSE_MDTINDEX) ?
cb_get_mdt_index : cb_getstripe,
cb_common_fini, param);
}
data.ioc_pbuf2 = (char *)uuid_buf;
data.ioc_plen2 = sizeof(struct obd_uuid);
- if ((rc = obd_ioctl_pack(&data, &rawbuf, sizeof(raw))) != 0) {
- llapi_err(LLAPI_MSG_ERROR,
- "llapi_obd_statfs: error packing ioctl data");
+ rc = obd_ioctl_pack(&data, &rawbuf, sizeof(raw));
+ if (rc != 0) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "llapi_obd_statfs: error packing ioctl data");
return rc;
}
if (fd < 0) {
rc = errno ? -errno : -EBADF;
- llapi_err(LLAPI_MSG_ERROR, "error: %s: opening '%s'",
- __func__, path);
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: %s: opening '%s'",
+ __func__, path);
return rc;
}
rc = ioctl(fd, IOC_OBD_STATFS, (void *)rawbuf);
}
#define MAX_STRING_SIZE 128
-#define DEVICES_LIST "/proc/fs/lustre/devices"
int llapi_ping(char *obd_type, char *obd_name)
{
fd = open(path, O_WRONLY);
if (fd < 0) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "error opening %s", path);
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error opening %s", path);
return rc;
}
+ /* The purpose is to send a byte as a ping, whatever this byte is. */
+ /* coverity[uninit_use_in_call] */
rc = write(fd, buf, 1);
+ if (rc < 0)
+ rc = -errno;
close(fd);
if (rc == 1)
return rc;
}
-int llapi_target_iterate(int type_num, char **obd_type,void *args,llapi_cb_t cb)
+int llapi_target_iterate(int type_num, char **obd_type,
+ void *args, llapi_cb_t cb)
{
char buf[MAX_STRING_SIZE];
FILE *fp = fopen(DEVICES_LIST, "r");
int i, rc = 0;
if (fp == NULL) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "error: opening "DEVICES_LIST);
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: opening "DEVICES_LIST);
return rc;
}
char *obd_name = NULL;
char *obd_uuid = NULL;
char *bufp = buf;
- struct obd_ioctl_data datal = { 0, };
struct obd_statfs osfs_buffer;
while(bufp[0] == ' ')
memset(&osfs_buffer, 0, sizeof (osfs_buffer));
- datal.ioc_pbuf1 = (char *)&osfs_buffer;
- datal.ioc_plen1 = sizeof(osfs_buffer);
-
for (i = 0; i < type_num; i++) {
if (strcmp(obd_type_name, obd_type[i]) != 0)
continue;
}
}
fclose(fp);
- return rc;
+ return 0;
}
static void do_target_check(char *obd_type_name, char *obd_name,
if (rc == ENOTCONN) {
llapi_printf(LLAPI_MSG_NORMAL, "%s inactive.\n", obd_name);
} else if (rc) {
- llapi_err(LLAPI_MSG_ERROR, "error: check '%s'", obd_name);
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: check '%s'", obd_name);
} else {
llapi_printf(LLAPI_MSG_NORMAL, "%s active.\n", obd_name);
}
#undef MAX_STRING_SIZE
-int llapi_catinfo(char *dir, char *keyword, char *node_name)
-{
- char raw[OBD_MAX_IOCTL_BUFFER];
- char out[LLOG_CHUNK_SIZE];
- char *buf = raw;
- struct obd_ioctl_data data = { 0 };
- char key[30];
- DIR *root;
- int rc;
-
- sprintf(key, "%s", keyword);
- memset(raw, 0, sizeof(raw));
- memset(out, 0, sizeof(out));
- data.ioc_inlbuf1 = key;
- data.ioc_inllen1 = strlen(key) + 1;
- if (node_name) {
- data.ioc_inlbuf2 = node_name;
- data.ioc_inllen2 = strlen(node_name) + 1;
- }
- data.ioc_pbuf1 = out;
- data.ioc_plen1 = sizeof(out);
- rc = obd_ioctl_pack(&data, &buf, sizeof(raw));
- if (rc)
- return rc;
-
- root = opendir(dir);
- if (root == NULL) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "open %s failed", dir);
- return rc;
- }
-
- rc = ioctl(dirfd(root), OBD_IOC_LLOG_CATINFO, buf);
- if (rc)
- llapi_err(LLAPI_MSG_ERROR, "ioctl OBD_IOC_CATINFO failed");
- else
- llapi_printf(LLAPI_MSG_NORMAL, "%s", data.ioc_pbuf1);
-
- closedir(root);
- return rc;
-}
-
/* Is this a lustre fs? */
int llapi_is_lustre_mnttype(const char *type)
{
root = opendir(mnt);
if (!root) {
- llapi_err(LLAPI_MSG_ERROR, "open %s failed", mnt);
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
+ return rc;
}
rc = ioctl(dirfd(root), LL_IOC_QUOTACHECK, check_type);
+ if (rc < 0)
+ rc = -errno;
closedir(root);
return rc;
root = opendir(mnt);
if (!root) {
- llapi_err(LLAPI_MSG_ERROR, "open %s failed", mnt);
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
+ return rc;
}
while (1) {
}
closedir(root);
- return rc;
+ return 0;
}
int llapi_quotactl(char *mnt, struct if_quotactl *qctl)
root = opendir(mnt);
if (!root) {
- llapi_err(LLAPI_MSG_ERROR, "open %s failed", mnt);
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
+ return rc;
}
rc = ioctl(dirfd(root), LL_IOC_QUOTACTL, qctl);
+ if (rc < 0)
+ rc = -errno;
closedir(root);
return rc;
LASSERT(parent != NULL || d != NULL);
- if (d) {
- rc = ioctl(dirfd(d), LL_IOC_MDC_GETINFO,
- (void *)param->lmd);
- } else if (parent) {
- char *fname = strrchr(path, '/');
- fname = (fname == NULL ? path : fname + 1);
-
- strncpy((char *)param->lmd, fname, param->lumlen);
- rc = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO,
- (void *)param->lmd);
- } else {
- return 0;
- }
-
+ rc = get_lmd_info(path, parent, d, param->lmd, param->lumlen);
if (rc) {
- if (errno == ENODATA) {
+ if (rc == -ENODATA) {
if (!param->obduuid && !param->quiet)
- llapi_err(LLAPI_MSG_ERROR,
+ llapi_error(LLAPI_MSG_ERROR, -ENODATA,
"%s has no stripe info", path);
rc = 0;
- } else if (errno == ENOENT) {
- llapi_err(LLAPI_MSG_ERROR,
- "warning: %s: %s does not exist",
- __func__, path);
+ } else if (rc == -ENOENT) {
rc = 0;
- } else if (errno != EISDIR) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "%s ioctl failed for %s.",
- d ? "LL_IOC_MDC_GETINFO" :
- "IOC_MDC_GETFILEINFO", path);
}
return rc;
}
* invoke syscall directly. */
rc = syscall(SYS_chown, path, -1, -1);
if (rc)
- llapi_err(LLAPI_MSG_ERROR,"error: chown %s (%u,%u)", path);
+ llapi_error(LLAPI_MSG_ERROR, errno,
+ "error: chown %s", path);
rc = chmod(path, st->st_mode);
- if (rc)
- llapi_err(LLAPI_MSG_ERROR, "error: chmod %s (%hu)",
- path, st->st_mode);
+ if (rc) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: chmod %s (%hu)",
+ path, st->st_mode);
+ }
return rc;
}
{
FILE *fp;
struct mntent *mnt;
- int found = 0, fd, rc;
+ int found = 0, fd = 0, rc = 0;
fp = setmntent(MOUNTED, "r");
if (fp == NULL) {
- perror("setmntent");
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error setmntent(%s)", MOUNTED);
+ return rc;
}
while (1) {
if (!mnt)
break;
- if (!llapi_is_lustre_mnt(mnt))
+ if (!llapi_is_lustre_mnt(mnt))
continue;
fd = open(mnt->mnt_dir, O_RDONLY | O_DIRECTORY);
if (fd < 0) {
- perror("open");
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Can't open '%s'\n", mnt->mnt_dir);
+ goto out;
}
rc = ioctl(fd, LL_IOC_RMTACL, ops);
if (rc < 0) {
- perror("ioctl");
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "ioctl %d\n", fd);
+ goto out;
}
found++;
}
+
+out:
endmntent(fp);
- return found;
+ if (fd >= 0)
+ close(fd);
+ return ((rc != 0) ? rc : found);
}
static char *next_token(char *p, int div)
if (is_user) {
struct passwd *pw;
- if ((pw = getpwnam(name)) == NULL)
+ pw = getpwnam(name);
+ if (pw == NULL)
return INVALID_ID;
else
return (int)(pw->pw_uid);
} else {
struct group *gr;
- if ((gr = getgrnam(name)) == NULL)
+ gr = getgrnam(name);
+ if (gr == NULL)
return INVALID_ID;
else
return (int)(gr->gr_gid);
static int do_rmtacl(int argc, char *argv[], int ops, int (output_func)(char *))
{
pid_t pid = 0;
- int fd[2], status;
+ int fd[2], status, rc;
FILE *fp;
char buf[PIPE_BUF];
if (output_func) {
if (pipe(fd) < 0) {
- perror("pipe");
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "Can't create pipe\n");
+ return rc;
}
- if ((pid = fork()) < 0) {
- perror("fork");
+ pid = fork();
+ if (pid < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "Can't fork\n");
close(fd[0]);
close(fd[1]);
- return -1;
+ return rc;
} else if (!pid) {
/* child process redirects its output. */
close(fd[0]);
close(1);
if (dup2(fd[1], 1) < 0) {
- perror("dup2");
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Can't dup2 %d\n", fd[1]);
close(fd[1]);
- return -1;
+ return rc;
}
} else {
close(fd[1]);
if (!pid) {
status = rmtacl_notify(ops);
if (status < 0)
- return -1;
+ return -errno;
exit(execvp(argv[0], argv));
}
/* the following is parent process */
- if ((fp = fdopen(fd[0], "r")) == NULL) {
- perror("fdopen");
+ fp = fdopen(fd[0], "r");
+ if (fp == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "fdopen %d failed\n", fd[0]);
kill(pid, SIGKILL);
close(fd[0]);
- return -1;
+ return rc;
}
while (fgets(buf, PIPE_BUF, fp) != NULL) {
close(fd[0]);
if (waitpid(pid, &status, 0) < 0) {
- perror("waitpid");
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "waitpid %d failed\n", pid);
+ return rc;
}
return child_status(status);
rc = rmtacl_notify(RMT_RSETFACL);
if (rc < 0)
- return -1;
+ return rc;
exit(execvp(argv[0], argv));
}
rc = rmtacl_notify(RMT_LGETFACL);
if (rc < 0)
- return -1;
+ return rc;
exit(execvp(argv[0], argv));
}
suffix[0] = '\0';
} else {
/* Not enough room to add suffix */
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "MDT name too long |%s|", name);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "MDT name too long |%s|", name);
return -EINVAL;
}
}
}
if (rc < 0) {
if (want_error)
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "Can't open %s: %d\n", mdtname, rc);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "Can't open %s: %d\n", mdtname, rc);
return rc;
}
*mdtidxp = index;
rc = ioctl(fd, opc, data);
+ if (rc == -1)
+ rc = -errno;
+ else
+ rc = 0;
if (rc && want_error)
- llapi_err(LLAPI_MSG_ERROR, "ioctl %d err %d", opc, rc);
+ llapi_error(LLAPI_MSG_ERROR, rc, "ioctl %d err %d", opc, rc);
close(fd);
return rc;
return 0;
}
+/** Convert a changelog_rec to changelog_ext_rec, in this way client can treat
+ * all records in the format of changelog_ext_rec, this can make record
+ * analysis simpler.
+ */
+static inline int changelog_extend_rec(struct changelog_ext_rec *ext)
+{
+ if (!CHANGELOG_REC_EXTENDED(ext)) {
+ struct changelog_rec *rec = (struct changelog_rec *)ext;
+
+ memmove(ext->cr_name, rec->cr_name, rec->cr_namelen);
+ fid_zero(&ext->cr_sfid);
+ fid_zero(&ext->cr_spfid);
+ return 1;
+ }
+
+ return 0;
+}
+
/** Read the next changelog entry
* @param priv Opaque private control structure
* @param rech Changelog record handle; record will be allocated here
* <0 error code
* 1 EOF
*/
-int llapi_changelog_recv(void *priv, struct changelog_rec **rech)
+int llapi_changelog_recv(void *priv, struct changelog_ext_rec **rech)
{
struct changelog_private *cp = (struct changelog_private *)priv;
struct kuc_hdr *kuch;
if ((kuch->kuc_transport != KUC_TRANSPORT_CHANGELOG) ||
((kuch->kuc_msgtype != CL_RECORD) &&
(kuch->kuc_msgtype != CL_EOF))) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "Unknown changelog message type %d:%d\n",
- kuch->kuc_transport, kuch->kuc_msgtype);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "Unknown changelog message type %d:%d\n",
+ kuch->kuc_transport, kuch->kuc_msgtype);
rc = -EPROTO;
goto out_free;
}
}
}
- /* Our message is a changelog_rec. Use pointer math to skip
- * kuch_hdr and point directly to the message payload.
- */
- *rech = (struct changelog_rec *)(kuch + 1);
+ /* Our message is a changelog_ext_rec. Use pointer math to skip
+ * kuch_hdr and point directly to the message payload.
+ */
+ *rech = (struct changelog_ext_rec *)(kuch + 1);
+ changelog_extend_rec(*rech);
return 0;
}
/** Release the changelog record when done with it. */
-int llapi_changelog_free(struct changelog_rec **rech)
+int llapi_changelog_free(struct changelog_ext_rec **rech)
{
if (*rech) {
/* We allocated memory starting at the kuc_hdr, but passed
int id;
if (endrec < 0) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "can't purge negative records\n");
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "can't purge negative records\n");
return -EINVAL;
}
id = strtol(idstr + strlen(CHANGELOG_USER_PREFIX), NULL, 10);
if ((id == 0) || (strncmp(idstr, CHANGELOG_USER_PREFIX,
strlen(CHANGELOG_USER_PREFIX)) != 0)) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "expecting id of the form '"CHANGELOG_USER_PREFIX
- "<num>'; got '%s'\n", idstr);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "expecting id of the form '"
+ CHANGELOG_USER_PREFIX
+ "<num>'; got '%s'\n", idstr);
return -EINVAL;
}
int llapi_fid2path(const char *device, const char *fidstr, char *buf,
int buflen, long long *recno, int *linkno)
{
- char path[PATH_MAX];
struct lu_fid fid;
struct getinfo_fid2path *gf;
- int fd, rc;
+ int rc;
while (*fidstr == '[')
fidstr++;
sscanf(fidstr, SFID, RFID(&fid));
if (!fid_is_sane(&fid)) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "bad FID format [%s], should be "DFID"\n",
- fidstr, (__u64)1, 2, 0);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "bad FID format [%s], should be "DFID"\n",
+ fidstr, (__u64)1, 2, 0);
return -EINVAL;
}
- /* Take path or fsname */
- if (device[0] == '/') {
- strcpy(path, device);
- } else {
- rc = get_root_path(WANT_PATH | WANT_ERROR, (char *)device,
- NULL, path, -1);
- if (rc < 0)
- return rc;
- }
- sprintf(path, "%s/%s/fid/%s", path, dot_lustre_name, fidstr);
- fd = open(path, O_RDONLY | O_NONBLOCK);
- if (fd < 0)
- return -errno;
-
gf = malloc(sizeof(*gf) + buflen);
+ if (gf == NULL)
+ return -ENOMEM;
gf->gf_fid = fid;
gf->gf_recno = *recno;
gf->gf_linkno = *linkno;
gf->gf_pathlen = buflen;
- rc = ioctl(fd, OBD_IOC_FID2PATH, gf);
+
+ /* Take path or fsname */
+ rc = root_ioctl(device, OBD_IOC_FID2PATH, gf, NULL, 0);
if (rc) {
- llapi_err(LLAPI_MSG_ERROR, "ioctl err %d", rc);
+ if (rc != -ENOENT)
+ llapi_error(LLAPI_MSG_ERROR, rc, "ioctl err %d", rc);
} else {
memcpy(buf, gf->gf_path, gf->gf_pathlen);
*recno = gf->gf_recno;
}
free(gf);
- close(fd);
return rc;
}
memset(fid, 0, sizeof(*fid));
fd = open(path, O_RDONLY | O_NONBLOCK | O_NOFOLLOW);
if (fd < 0) {
- if (errno == ELOOP) /* symbolic link */
+ if (errno == ELOOP || errno == ENXIO)
return path2fid_from_lma(path, fid);
return -errno;
}
rc = ioctl(fd, LL_IOC_PATH2FID, fid) < 0 ? -errno : 0;
- if (rc == -EINVAL) /* char special device */
+ if (rc == -EINVAL || rc == -ENOTTY)
rc = path2fid_from_lma(path, fid);
close(fd);
int rc;
if (archive_count > 0 && archives == NULL) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "NULL archive numbers");
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "NULL archive numbers");
return -EINVAL;
}
ct->archives = 0;
for (rc = 0; rc < archive_count; rc++) {
if (archives[rc] > sizeof(ct->archives)) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "Maximum of %d archives supported",
- sizeof(ct->archives));
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "Maximum of %d archives supported",
+ sizeof(ct->archives));
goto out_err;
}
ct->archives |= 1 << archives[rc];
if (kuch->kuc_transport != KUC_TRANSPORT_HSM ||
kuch->kuc_msgtype != HMT_ACTION_LIST) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "Unknown HSM message type %d:%d\n",
- kuch->kuc_transport, kuch->kuc_msgtype);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "Unknown HSM message type %d:%d\n",
+ kuch->kuc_transport, kuch->kuc_msgtype);
rc = -EPROTO;
goto out_free;
}
/* Check that we have registered for this archive # */
if (((1 << hal->hal_archive_num) & ct->archives) == 0) {
- llapi_err(LLAPI_MSG_INFO | LLAPI_MSG_NO_ERRNO,
- "Ignoring request for archive #%d (bitmask %#x)\n",
- hal->hal_archive_num, ct->archives);
+ llapi_err_noerrno(LLAPI_MSG_INFO,
+ "Ignoring request for archive #%d (bitmask %#x)\n",
+ hal->hal_archive_num, ct->archives);
rc = 0;
goto out_free;
}
/** Release the action list when done with it. */
int llapi_copytool_free(struct hsm_action_list **hal)
{
- /* Reuse the llapi_changelog_free function */
- return llapi_changelog_free((struct changelog_rec **)hal);
+ /* Reuse the llapi_changelog_free function */
+ return llapi_changelog_free((struct changelog_ext_rec **)hal);
}
int llapi_get_connect_flags(const char *mnt, __u64 *flags)
root = opendir(mnt);
if (!root) {
- llapi_err(LLAPI_MSG_ERROR, "open %s failed", mnt);
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
+ return rc;
}
rc = ioctl(dirfd(root), LL_IOC_GET_CONNECT_FLAGS, flags);
+ if (rc < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "ioctl on %s for getting connect flags failed", mnt);
+ }
closedir(root);
- if (rc < 0)
- llapi_err(LLAPI_MSG_ERROR,
- "ioctl on %s for getting connect flags failed", mnt);
return rc;
}
rc = ioctl(fd, OBD_GET_VERSION, buffer);
if (rc == -1) {
- rc = errno;
+ rc = -errno;
close(fd);
- return -rc;
+ return rc;
}
close(fd);
*version = data->ioc_bulk;
return 0;
}
+
+/**
+ * Get a 64-bit value representing the version of file data pointed by fd.
+ *
+ * Each write or truncate, flushed on OST, will change this value. You can use
+ * this value to verify if file data was modified. This only checks the file
+ * data, not metadata.
+ *
+ * \param flags If set to LL_DV_NOFLUSH, the data version will be read
+ * directly from OST without regard to possible dirty cache on
+ * client nodes.
+ *
+ * \retval 0 on success.
+ * \retval -errno on error.
+ */
+int llapi_get_data_version(int fd, __u64 *data_version, __u64 flags)
+{
+ int rc;
+ struct ioc_data_version idv;
+
+ idv.idv_flags = flags;
+
+ rc = ioctl(fd, LL_IOC_DATA_VERSION, &idv);
+ if (rc)
+ rc = -errno;
+ else
+ *data_version = idv.idv_version;
+
+ return rc;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff