*
* Lustre Light Super operations
*
- * Copyright (c) 2002, 2003 Cluster File Systems, Inc.
+ * Copyright (c) 2002-2004 Cluster File Systems, Inc.
*
* This file is part of Lustre, http://www.lustre.org.
*
#include "llite_lib.h"
+#ifndef MAY_EXEC
+#define MAY_EXEC 1
+#define MAY_WRITE 2
+#define MAY_READ 4
+#endif
+
+#define S_IXUGO (S_IXUSR|S_IXGRP|S_IXOTH)
+
+static int ll_permission(struct inode *inode, int mask)
+{
+ struct llu_inode_info *lli = llu_i2info(inode);
+ mode_t mode = lli->lli_st_mode;
+
+ if (current->fsuid == lli->lli_st_uid)
+ mode >>= 6;
+ else if (in_group_p(lli->lli_st_gid))
+ mode >>= 3;
+
+ if ((mode & mask & (MAY_READ|MAY_WRITE|MAY_EXEC)) == mask)
+ return 0;
+
+ if ((mask & (MAY_READ|MAY_WRITE)) ||
+ (lli->lli_st_mode & S_IXUGO))
+ if (capable(CAP_DAC_OVERRIDE))
+ return 0;
+
+ if (mask == MAY_READ ||
+ (S_ISDIR(lli->lli_st_mode) && !(mask & MAY_WRITE))) {
+ if (capable(CAP_DAC_READ_SEARCH))
+ return 0;
+ }
+
+ return -EACCES;
+}
+
static void llu_fsop_gone(struct filesys *fs)
{
struct llu_sb_info *sbi = (struct llu_sb_info *) fs->fs_private;
struct obd_device *obd = class_exp2obd(sbi->ll_mdc_exp);
- struct ll_fid rootfid;
+ struct lustre_cfg lcfg;
+ int next = 0;
ENTRY;
list_del(&sbi->ll_conn_chain);
obd_disconnect(sbi->ll_osc_exp, 0);
+ obd_disconnect(sbi->ll_mdc_exp, 0);
- /* NULL request to force sync on the MDS, and get the last_committed
- * value to flush remaining RPCs from the sending queue on client.
- *
- * XXX This should be an mdc_sync() call to sync the whole MDS fs,
- * which we can call for other reasons as well.
- */
- if (!obd->obd_no_recov)
- mdc_getstatus(sbi->ll_mdc_exp, &rootfid);
+ while ((obd = class_devices_in_group(&sbi->ll_sb_uuid, &next)) != NULL)
+ {
+ int err;
- obd_disconnect(sbi->ll_mdc_exp, 0);
+ LCFG_INIT(lcfg, LCFG_CLEANUP, obd->obd_name);
+ err = class_process_config(&lcfg);
+ if (err) {
+ CERROR("cleanup failed: %s\n", obd->obd_name);
+ }
+
+ LCFG_INIT(lcfg, LCFG_DETACH, obd->obd_name);
+ err = class_process_config(&lcfg);
+ if (err) {
+ CERROR("detach failed: %s\n", obd->obd_name);
+ }
+ }
OBD_FREE(sbi, sizeof(*sbi));
return inode;
}
-static int llu_have_md_lock(struct inode *inode)
+static int llu_have_md_lock(struct inode *inode, __u64 lockpart)
{
struct llu_sb_info *sbi = llu_i2sbi(inode);
struct llu_inode_info *lli = llu_i2info(inode);
struct lustre_handle lockh;
struct ldlm_res_id res_id = { .name = {0} };
struct obd_device *obddev;
+ ldlm_policy_data_t policy = { .l_inodebits = { lockpart } };
int flags;
ENTRY;
/* FIXME use LDLM_FL_TEST_LOCK instead */
flags = LDLM_FL_BLOCK_GRANTED | LDLM_FL_CBPENDING;
- if (ldlm_lock_match(obddev->obd_namespace, flags, &res_id, LDLM_PLAIN,
- NULL, LCK_PR, &lockh)) {
+ if (ldlm_lock_match(obddev->obd_namespace, flags, &res_id, LDLM_IBITS,
+ &policy, LCK_PR, &lockh)) {
ldlm_lock_decref(&lockh, LCK_PR);
RETURN(1);
}
- if (ldlm_lock_match(obddev->obd_namespace, flags, &res_id, LDLM_PLAIN,
- NULL, LCK_PW, &lockh)) {
+ if (ldlm_lock_match(obddev->obd_namespace, flags, &res_id, LDLM_IBITS,
+ &policy, LCK_PW, &lockh)) {
ldlm_lock_decref(&lockh, LCK_PW);
RETURN(1);
}
RETURN(0);
}
- if (!llu_have_md_lock(inode)) {
+ if (!llu_have_md_lock(inode, MDS_INODELOCK_UPDATE)) {
struct lustre_md md;
struct ptlrpc_request *req = NULL;
struct llu_sb_info *sbi = llu_i2sbi(inode);
CERROR("failure %d inode %lu\n", rc, lli->lli_st_ino);
RETURN(-abs(rc));
}
- rc = mdc_req2lustre_md(req, 0, sbi->ll_osc_exp, &md);
+ rc = mdc_req2lustre_md(sbi->ll_mdc_exp, req, 0, sbi->ll_osc_exp,
+ &md);
/* XXX Too paranoid? */
if (((md.body->valid ^ valid) & OBD_MD_FLEASIZE) &&
/* ll_glimpse_size will prefer locally cached writes if they extend
* the file */
- {
- struct ost_lvb lvb;
- ldlm_error_t err;
-
- err = llu_glimpse_size(inode, &lvb);
- lli->lli_st_size = lvb.lvb_size;
- }
- RETURN(0);
+ RETURN(llu_glimpse_size(inode));
}
static void copy_stat_buf(struct inode *ino, struct intnl_stat *b)
int rc;
ENTRY;
+ liblustre_wait_event(0);
+
if (!ino) {
LASSERT(pno);
LASSERT(pno->p_base->pb_ino);
static int null_if_equal(struct ldlm_lock *lock, void *data)
{
- if (data == lock->l_ast_data)
+ if (data == lock->l_ast_data) {
lock->l_ast_data = NULL;
- if (lock->l_req_mode != lock->l_granted_mode)
- return LDLM_ITER_STOP;
+ if (lock->l_req_mode != lock->l_granted_mode)
+ LDLM_ERROR(lock,"clearing inode with ungranted lock\n");
+ }
return LDLM_ITER_CONTINUE;
}
struct llu_inode_info *lli = llu_i2info(inode);
ENTRY;
+ liblustre_wait_event(0);
llu_clear_inode(inode);
OBD_FREE(lli, sizeof(*lli));
RETURN(rc);
}
- rc = mdc_req2lustre_md(request, 0, sbi->ll_osc_exp, &md);
+ rc = mdc_req2lustre_md(sbi->ll_mdc_exp, request, 0,
+ sbi->ll_osc_exp, &md);
if (rc) {
ptlrpc_req_finished(request);
RETURN(rc);
}
+
+ /* Won't invoke vmtruncate as we already cleared ATTR_SIZE,
+ * but needed to set timestamps backwards on utime. */
+ inode_setattr(inode, attr);
llu_update_inode(inode, md.body, md.lsm);
ptlrpc_req_finished(request);
/* from sys_utime() */
if (!(ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET))) {
if (current->fsuid != lli->lli_st_uid &&
- (rc = ll_permission(inode, 0/*MAY_WRITE*/, NULL)) != 0)
+ (rc = ll_permission(inode, MAY_WRITE)) != 0)
RETURN(rc);
} else {
/* from inode_change_ok() */
}
rc = llu_vmtruncate(inode, attr->ia_size);
- if (rc == 0)
- set_bit(LLI_F_HAVE_OST_SIZE_LOCK,
- &llu_i2info(inode)->lli_flags);
/* unlock now as we don't mind others file lockers racing with
* the mds updates below? */
struct iattr iattr;
ENTRY;
+ liblustre_wait_event(0);
+
+ LASSERT(!(mask & ~(SETATTR_MTIME | SETATTR_ATIME |
+ SETATTR_UID | SETATTR_GID |
+ SETATTR_LEN | SETATTR_MODE)));
memset(&iattr, 0, sizeof(iattr));
if (mask & SETATTR_MODE) {
LASSERT(src);
LASSERT(dir);
+ liblustre_wait_event(0);
llu_prepare_mdc_op_data(&op_data, src, dir, name, namelen, 0);
rc = mdc_link(llu_i2sbi(src)->ll_mdc_exp, &op_data, &request);
ptlrpc_req_finished(request);
+ liblustre_wait_event(0);
RETURN(rc);
}
+/*
+ * libsysio will clear the inode immediately after return
+ */
static int llu_iop_unlink_raw(struct pnode *pno)
{
struct inode *dir = pno->p_base->pb_parent->pb_ino;
LASSERT(target);
+ liblustre_wait_event(0);
llu_prepare_mdc_op_data(&op_data, dir, NULL, name, len, 0);
rc = mdc_unlink(llu_i2sbi(dir)->ll_mdc_exp, &op_data, &request);
- if (!rc) {
+ if (!rc)
rc = llu_objects_destroy(request, dir);
-
- llu_i2info(target)->lli_stale_flag = 1;
- unhook_stale_inode(pno);
- }
-
ptlrpc_req_finished(request);
+ liblustre_wait_event(0);
+
RETURN(rc);
}
-/* FIXME
- * following cases need to be considered later:
- * - rename an opened file/dir
- * - an opened file be removed in rename
- * - rename to remove and hardlink (?opened)
- */
static int llu_iop_rename_raw(struct pnode *old, struct pnode *new)
{
struct inode *src = old->p_parent->p_base->pb_ino;
struct inode *tgt = new->p_parent->p_base->pb_ino;
- struct inode *tgtinode = new->p_base->pb_ino;
const char *oldname = old->p_base->pb_name.name;
int oldnamelen = old->p_base->pb_name.len;
const char *newname = new->p_base->pb_name.name;
&request);
if (!rc) {
rc = llu_objects_destroy(request, src);
-
- if (tgtinode) {
- llu_i2info(tgtinode)->lli_stale_flag = 1;
- unhook_stale_inode(new);
- }
}
ptlrpc_req_finished(request);
int rc;
ENTRY;
+ liblustre_wait_event(0);
+
#ifndef __CYGWIN__
LASSERT(pno->p_base->pb_ino);
rc = llu_statfs(llu_i2sbi(pno->p_base->pb_ino), &fs);
rc = mdc_unlink(llu_i2sbi(dir)->ll_mdc_exp, &op_data, &request);
ptlrpc_req_finished(request);
- /* libsysio: remove the pnode right away */
- if (!rc) {
- llu_i2info(pno->p_base->pb_ino)->lli_stale_flag = 1;
- unhook_stale_inode(pno);
+ RETURN(rc);
+}
+
+#ifdef O_DIRECT
+#define FCNTL_FLMASK (O_APPEND|O_NONBLOCK|O_ASYNC|O_DIRECT)
+#else
+#define FCNTL_FLMASK (O_APPEND|O_NONBLOCK|O_ASYNC)
+#endif
+#define FCNTL_FLMASK_INVALID (O_NONBLOCK|O_ASYNC)
+
+static int llu_iop_fcntl(struct inode *ino, int cmd, va_list ap, int *rtn)
+{
+ struct llu_inode_info *lli = llu_i2info(ino);
+ long flags;
+
+ switch (cmd) {
+ case F_GETFL:
+ *rtn = lli->lli_open_flags;
+ return 0;
+ case F_SETFL:
+ flags = va_arg(ap, long);
+ flags &= FCNTL_FLMASK;
+ if (flags & FCNTL_FLMASK_INVALID) {
+ CERROR("liblustre don't support O_NONBLOCK, O_ASYNC, "
+ "and O_DIRECT on file descriptor\n");
+ *rtn = -1;
+ return EINVAL;
+ }
+ lli->lli_open_flags = (int) flags;
+ *rtn = 0;
+ return 0;
}
- RETURN(rc);
+ CERROR("unsupported fcntl cmd %x\n", cmd);
+ *rtn = -1;
+ return ENOSYS;
}
-static int llu_iop_fcntl(struct inode *ino, int cmd, va_list ap)
+static int llu_get_grouplock(struct inode *inode, unsigned long arg)
{
- CERROR("liblustre did not support fcntl\n");
- return -ENOSYS;
+ struct llu_inode_info *lli = llu_i2info(inode);
+ struct ll_file_data *fd = lli->lli_file_data;
+ ldlm_policy_data_t policy = { .l_extent = { .start = 0,
+ .end = OBD_OBJECT_EOF}};
+ struct lustre_handle lockh = { 0 };
+ struct lov_stripe_md *lsm = lli->lli_smd;
+ ldlm_error_t err;
+ int flags = 0;
+ ENTRY;
+
+ if (fd->fd_flags & LL_FILE_GROUP_LOCKED) {
+ RETURN(-EINVAL);
+ }
+
+ policy.l_extent.gid = arg;
+ if (lli->lli_open_flags & O_NONBLOCK)
+ flags = LDLM_FL_BLOCK_NOWAIT;
+
+ err = llu_extent_lock(fd, inode, lsm, LCK_GROUP, &policy, &lockh,
+ flags);
+ if (err)
+ RETURN(err);
+
+ fd->fd_flags |= LL_FILE_GROUP_LOCKED|LL_FILE_IGNORE_LOCK;
+ fd->fd_gid = arg;
+ memcpy(&fd->fd_cwlockh, &lockh, sizeof(lockh));
+
+ RETURN(0);
}
+static int llu_put_grouplock(struct inode *inode, unsigned long arg)
+{
+ struct llu_inode_info *lli = llu_i2info(inode);
+ struct ll_file_data *fd = lli->lli_file_data;
+ struct lov_stripe_md *lsm = lli->lli_smd;
+ ldlm_error_t err;
+ ENTRY;
+
+ if (!(fd->fd_flags & LL_FILE_GROUP_LOCKED))
+ RETURN(-EINVAL);
+
+ if (fd->fd_gid != arg)
+ RETURN(-EINVAL);
+
+ fd->fd_flags &= ~(LL_FILE_GROUP_LOCKED|LL_FILE_IGNORE_LOCK);
+
+ err = llu_extent_unlock(fd, inode, lsm, LCK_GROUP, &fd->fd_cwlockh);
+ if (err)
+ RETURN(err);
+
+ fd->fd_gid = 0;
+ memset(&fd->fd_cwlockh, 0, sizeof(fd->fd_cwlockh));
+
+ RETURN(0);
+}
+
static int llu_iop_ioctl(struct inode *ino, unsigned long int request,
va_list ap)
{
- CERROR("liblustre did not support ioctl\n");
+ unsigned long arg;
+
+ liblustre_wait_event(0);
+
+ switch (request) {
+ case LL_IOC_GROUP_LOCK:
+ arg = va_arg(ap, unsigned long);
+ return llu_get_grouplock(ino, arg);
+ case LL_IOC_GROUP_UNLOCK:
+ arg = va_arg(ap, unsigned long);
+ return llu_put_grouplock(ino, arg);
+ }
+
+ CERROR("did not support ioctl cmd %lx\n", request);
return -ENOSYS;
}
*/
static int llu_iop_sync(struct inode *inode)
{
+ liblustre_wait_event(0);
return 0;
}
static int llu_iop_datasync(struct inode *inode)
{
+ liblustre_wait_event(0);
return 0;
}
if ((md->body->valid &
(OBD_MD_FLGENER | OBD_MD_FLID | OBD_MD_FLTYPE)) !=
- (OBD_MD_FLGENER | OBD_MD_FLID | OBD_MD_FLTYPE))
- CERROR("invalide fields!\n");
+ (OBD_MD_FLGENER | OBD_MD_FLID | OBD_MD_FLTYPE)) {
+ CERROR("bad md body valid mask 0x%x\n", md->body->valid);
+ LBUG();
+ return ERR_PTR(-EPERM);
+ }
/* try to find existing inode */
fid.id = md->body->ino;
if (inode) {
struct llu_inode_info *lli = llu_i2info(inode);
- if (lli->lli_stale_flag ||
- lli->lli_st_generation != md->body->generation)
+ if (inode->i_zombie ||
+ lli->lli_st_generation != md->body->generation) {
I_RELE(inode);
+ }
else {
llu_update_inode(inode, md->body, md->lsm);
return inode;
struct lustre_handle osc_conn = {0, };
struct lustre_md md;
class_uuid_t uuid;
+ struct config_llog_instance cfg;
struct lustre_profile *lprof;
char *osc = NULL, *mdc = NULL;
- int err = -EINVAL;
+ int async = 1, err = -EINVAL;
ENTRY;
generate_random_uuid(uuid);
class_uuid_unparse(uuid, &sbi->ll_sb_uuid);
- /* zeroconf */
- if (g_zconf) {
- struct config_llog_instance cfg;
- int len;
-
- if (!g_zconf_mdsname) {
- CERROR("no mds name\n");
- GOTO(out_free, err = -EINVAL);
- }
-
- /* generate a string unique to this super, let's try
- the address of the super itself.*/
- len = (sizeof(sbi) * 2) + 1;
- OBD_ALLOC(sbi->ll_instance, len);
- if (sbi->ll_instance == NULL)
- GOTO(out_free, err = -ENOMEM);
- sprintf(sbi->ll_instance, "%p", sbi);
-
- cfg.cfg_instance = sbi->ll_instance;
- cfg.cfg_uuid = sbi->ll_sb_uuid;
- err = liblustre_process_log(&cfg, 1);
- if (err < 0) {
- CERROR("Unable to process log: %s\n", g_zconf_profile);
-
- GOTO(out_free, err);
- }
-
- lprof = class_get_profile(g_zconf_profile);
- if (lprof == NULL) {
- CERROR("No profile found: %s\n", g_zconf_profile);
- GOTO(out_free, err = -EINVAL);
- }
- if (osc)
- OBD_FREE(osc, strlen(osc) + 1);
- OBD_ALLOC(osc, strlen(lprof->lp_osc) +
- strlen(sbi->ll_instance) + 2);
- sprintf(osc, "%s-%s", lprof->lp_osc, sbi->ll_instance);
-
- if (mdc)
- OBD_FREE(mdc, strlen(mdc) + 1);
- OBD_ALLOC(mdc, strlen(lprof->lp_mdc) +
- strlen(sbi->ll_instance) + 2);
- sprintf(mdc, "%s-%s", lprof->lp_mdc, sbi->ll_instance);
- } else {
- /* setup from dump_file */
- if (list_empty(&lustre_profile_list)) {
- CERROR("no profile\n");
- GOTO(out_free, err = -EINVAL);
- }
+ /* generate a string unique to this super, let's try
+ the address of the super itself.*/
+ OBD_ALLOC(sbi->ll_instance, sizeof(sbi) * 2 + 1);
+ if (sbi->ll_instance == NULL)
+ GOTO(out_free, err = -ENOMEM);
+ sprintf(sbi->ll_instance, "%p", sbi);
+
+ /* retrive & parse config log */
+ cfg.cfg_instance = sbi->ll_instance;
+ cfg.cfg_uuid = sbi->ll_sb_uuid;
+ err = liblustre_process_log(&cfg, 1);
+ if (err < 0) {
+ CERROR("Unable to process log: %s\n", g_zconf_profile);
+ GOTO(out_free, err);
+ }
- lprof = list_entry(lustre_profile_list.next,
- struct lustre_profile, lp_list);
- osc = lprof->lp_osc;
- mdc = lprof->lp_mdc;
+ lprof = class_get_profile(g_zconf_profile);
+ if (lprof == NULL) {
+ CERROR("No profile found: %s\n", g_zconf_profile);
+ GOTO(out_free, err = -EINVAL);
}
+ if (osc)
+ OBD_FREE(osc, strlen(osc) + 1);
+ OBD_ALLOC(osc, strlen(lprof->lp_osc) +
+ strlen(sbi->ll_instance) + 2);
+ sprintf(osc, "%s-%s", lprof->lp_osc, sbi->ll_instance);
+
+ if (mdc)
+ OBD_FREE(mdc, strlen(mdc) + 1);
+ OBD_ALLOC(mdc, strlen(lprof->lp_mdc) +
+ strlen(sbi->ll_instance) + 2);
+ sprintf(mdc, "%s-%s", lprof->lp_mdc, sbi->ll_instance);
if (!osc) {
CERROR("no osc\n");
CERROR("MDC %s: not setup or attached\n", mdc);
GOTO(out_free, err = -EINVAL);
}
-
+ obd_set_info(obd->obd_self_export, strlen("async"), "async",
+ sizeof(async), &async);
+#warning "FIXME ASAP!"
+#if 0
if (mdc_init_ea_size(obd, osc))
GOTO(out_free, err = -EINVAL);
-
+#endif
/* setup mdc */
- err = obd_connect(&mdc_conn, obd, &sbi->ll_sb_uuid);
+ err = obd_connect(&mdc_conn, obd, &sbi->ll_sb_uuid, 0);
if (err) {
CERROR("cannot connect to %s: rc = %d\n", mdc, err);
GOTO(out_free, err);
CERROR("OSC %s: not setup or attached\n", osc);
GOTO(out_mdc, err = -EINVAL);
}
+ obd_set_info(obd->obd_self_export, strlen("async"), "async",
+ sizeof(async), &async);
- err = obd_connect(&osc_conn, obd, &sbi->ll_sb_uuid);
+ err = obd_connect(&osc_conn, obd, &sbi->ll_sb_uuid, 0);
if (err) {
CERROR("cannot connect to %s: rc = %d\n", osc, err);
GOTO(out_mdc, err);
GOTO(out_osc, err);
}
- err = mdc_req2lustre_md(request, 0, sbi->ll_osc_exp, &md);
+ err = mdc_req2lustre_md(sbi->ll_mdc_exp, request, 0, sbi->ll_osc_exp,
+ &md);
if (err) {
CERROR("failed to understand root inode md: rc = %d\n",err);
GOTO(out_request, err);
LASSERT(sbi->ll_rootino != 0);
root = llu_iget(fs, &md);
- if (root == NULL) {
+ if (!root || IS_ERR(root)) {
CERROR("fail to generate root inode\n");
GOTO(out_request, err = -EBADF);
}
inop_link: llu_iop_link_raw,
inop_unlink: llu_iop_unlink_raw,
inop_rename: llu_iop_rename_raw,
- inop_ipreadv: llu_iop_ipreadv,
- inop_ipwritev: llu_iop_ipwritev,
+ inop_pos: llu_iop_pos,
+ inop_read: llu_iop_read,
+ inop_write: llu_iop_write,
inop_iodone: llu_iop_iodone,
inop_fcntl: llu_iop_fcntl,
inop_sync: llu_iop_sync,
#endif
inop_gone: llu_iop_gone,
};
-
-#warning "time_after() defined in liblustre.h need to be rewrite in userspace"
git://git.whamcloud.com / fs / lustre-release.git / blobdiff