*
* 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 <sys/statfs.h>
#endif
+#ifdef HAVE_XTIO_H
+#include <xtio.h>
+#endif
#include <sysio.h>
#include <fs.h>
#include <mount.h>
#include <inode.h>
+#ifdef HAVE_FILE_H
#include <file.h>
+#endif
#undef LIST_HEAD
#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 intnl_stat *st = llu_i2stat(inode);
+ mode_t mode = st->st_mode;
+
+ if (current->fsuid == st->st_uid)
+ mode >>= 6;
+ else if (in_group_p(st->st_gid))
+ mode >>= 3;
+
+ if ((mode & mask & (MAY_READ|MAY_WRITE|MAY_EXEC)) == mask)
+ return 0;
+
+ if ((mask & (MAY_READ|MAY_WRITE)) ||
+ (st->st_mode & S_IXUGO))
+ if (capable(CAP_DAC_OVERRIDE))
+ return 0;
+
+ if (mask == MAY_READ ||
+ (S_ISDIR(st->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;
+ int next = 0;
ENTRY;
list_del(&sbi->ll_conn_chain);
obd_disconnect(sbi->ll_osc_exp);
-
- /* 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);
-
obd_disconnect(sbi->ll_mdc_exp);
+ while ((obd = class_devices_in_group(&sbi->ll_sb_uuid, &next)) != NULL){
+ struct lustre_cfg_bufs bufs;
+ struct lustre_cfg *lcfg;
+ int err;
+
+ lustre_cfg_bufs_reset(&bufs, obd->obd_name);
+ lcfg = lustre_cfg_new(LCFG_CLEANUP, &bufs);
+ err = class_process_config(lcfg);
+ lustre_cfg_free(lcfg);
+ if (err)
+ CERROR("cleanup failed: %s\n", obd->obd_name);
+
+ lustre_cfg_bufs_reset(&bufs, obd->obd_name);
+ lcfg = lustre_cfg_new(LCFG_DETACH, &bufs);
+ err = class_process_config(lcfg);
+ if (err)
+ CERROR("detach failed: %s\n", obd->obd_name);
+ }
+
OBD_FREE(sbi, sizeof(*sbi));
EXIT;
struct lov_stripe_md *lsm)
{
struct llu_inode_info *lli = llu_i2info(inode);
+ struct intnl_stat *st = llu_i2stat(inode);
LASSERT ((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0));
if (lsm != NULL) {
lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
} else {
if (memcmp(lli->lli_smd, lsm, sizeof(*lsm))) {
- CERROR("lsm mismatch for inode %ld\n",
- lli->lli_st_ino);
+ CERROR("lsm mismatch for inode %lld\n",
+ st->st_ino);
LBUG();
}
}
}
if (body->valid & OBD_MD_FLID)
- lli->lli_st_ino = body->ino;
+ st->st_ino = body->ino;
if (body->valid & OBD_MD_FLATIME)
- LTIME_S(lli->lli_st_atime) = body->atime;
+ LTIME_S(st->st_atime) = body->atime;
if (body->valid & OBD_MD_FLMTIME)
- LTIME_S(lli->lli_st_mtime) = body->mtime;
+ LTIME_S(st->st_mtime) = body->mtime;
if (body->valid & OBD_MD_FLCTIME)
- LTIME_S(lli->lli_st_ctime) = body->ctime;
+ LTIME_S(st->st_ctime) = body->ctime;
if (body->valid & OBD_MD_FLMODE)
- lli->lli_st_mode = (lli->lli_st_mode & S_IFMT)|(body->mode & ~S_IFMT);
+ st->st_mode = (st->st_mode & S_IFMT)|(body->mode & ~S_IFMT);
if (body->valid & OBD_MD_FLTYPE)
- lli->lli_st_mode = (lli->lli_st_mode & ~S_IFMT)|(body->mode & S_IFMT);
+ st->st_mode = (st->st_mode & ~S_IFMT)|(body->mode & S_IFMT);
+ if (S_ISREG(st->st_mode))
+ st->st_blksize = min(2UL * PTLRPC_MAX_BRW_SIZE, LL_MAX_BLKSIZE);
+ else
+ st->st_blksize = 4096;
if (body->valid & OBD_MD_FLUID)
- lli->lli_st_uid = body->uid;
+ st->st_uid = body->uid;
if (body->valid & OBD_MD_FLGID)
- lli->lli_st_gid = body->gid;
- if (body->valid & OBD_MD_FLFLAGS)
- lli->lli_st_flags = body->flags;
+ st->st_gid = body->gid;
if (body->valid & OBD_MD_FLNLINK)
- lli->lli_st_nlink = body->nlink;
- if (body->valid & OBD_MD_FLGENER)
- lli->lli_st_generation = body->generation;
+ st->st_nlink = body->nlink;
if (body->valid & OBD_MD_FLRDEV)
- lli->lli_st_rdev = body->rdev;
+ st->st_rdev = body->rdev;
if (body->valid & OBD_MD_FLSIZE)
- lli->lli_st_size = body->size;
+ st->st_size = body->size;
if (body->valid & OBD_MD_FLBLOCKS)
- lli->lli_st_blocks = body->blocks;
+ st->st_blocks = body->blocks;
+ if (body->valid & OBD_MD_FLFLAGS)
+ lli->lli_st_flags = body->flags;
+ if (body->valid & OBD_MD_FLGENER)
+ lli->lli_st_generation = body->generation;
/* fillin fid */
if (body->valid & OBD_MD_FLID)
void obdo_to_inode(struct inode *dst, struct obdo *src, obd_flag valid)
{
struct llu_inode_info *lli = llu_i2info(dst);
+ struct intnl_stat *st = llu_i2stat(dst);
valid &= src->o_valid;
if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
- CDEBUG(D_INODE, "valid %x, cur time %lu/%lu, new %lu/%lu\n",
- src->o_valid,
- LTIME_S(lli->lli_st_mtime), LTIME_S(lli->lli_st_ctime),
+ CDEBUG(D_INODE,"valid "LPX64", cur time %lu/%lu, new %lu/%lu\n",
+ src->o_valid,
+ LTIME_S(st->st_mtime), LTIME_S(st->st_ctime),
(long)src->o_mtime, (long)src->o_ctime);
if (valid & OBD_MD_FLATIME)
- LTIME_S(lli->lli_st_atime) = src->o_atime;
+ LTIME_S(st->st_atime) = src->o_atime;
if (valid & OBD_MD_FLMTIME)
- LTIME_S(lli->lli_st_mtime) = src->o_mtime;
- if (valid & OBD_MD_FLCTIME && src->o_ctime > LTIME_S(lli->lli_st_ctime))
- LTIME_S(lli->lli_st_ctime) = src->o_ctime;
+ LTIME_S(st->st_mtime) = src->o_mtime;
+ if (valid & OBD_MD_FLCTIME && src->o_ctime > LTIME_S(st->st_ctime))
+ LTIME_S(st->st_ctime) = src->o_ctime;
if (valid & OBD_MD_FLSIZE)
- lli->lli_st_size = src->o_size;
+ st->st_size = src->o_size;
if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
- lli->lli_st_blocks = src->o_blocks;
+ st->st_blocks = src->o_blocks;
if (valid & OBD_MD_FLBLKSZ)
- lli->lli_st_blksize = src->o_blksize;
+ st->st_blksize = src->o_blksize;
if (valid & OBD_MD_FLTYPE)
- lli->lli_st_mode = (lli->lli_st_mode & ~S_IFMT) | (src->o_mode & S_IFMT);
+ st->st_mode = (st->st_mode & ~S_IFMT) | (src->o_mode & S_IFMT);
if (valid & OBD_MD_FLMODE)
- lli->lli_st_mode = (lli->lli_st_mode & S_IFMT) | (src->o_mode & ~S_IFMT);
+ st->st_mode = (st->st_mode & S_IFMT) | (src->o_mode & ~S_IFMT);
if (valid & OBD_MD_FLUID)
- lli->lli_st_uid = src->o_uid;
+ st->st_uid = src->o_uid;
if (valid & OBD_MD_FLGID)
- lli->lli_st_gid = src->o_gid;
+ st->st_gid = src->o_gid;
if (valid & OBD_MD_FLFLAGS)
lli->lli_st_flags = src->o_flags;
if (valid & OBD_MD_FLGENER)
void obdo_from_inode(struct obdo *dst, struct inode *src, obd_flag valid)
{
struct llu_inode_info *lli = llu_i2info(src);
+ struct intnl_stat *st = llu_i2stat(src);
obd_flag newvalid = 0;
if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
CDEBUG(D_INODE, "valid %x, new time %lu/%lu\n",
- valid, LTIME_S(lli->lli_st_mtime),
- LTIME_S(lli->lli_st_ctime));
+ valid, LTIME_S(st->st_mtime),
+ LTIME_S(st->st_ctime));
if (valid & OBD_MD_FLATIME) {
- dst->o_atime = LTIME_S(lli->lli_st_atime);
+ dst->o_atime = LTIME_S(st->st_atime);
newvalid |= OBD_MD_FLATIME;
}
if (valid & OBD_MD_FLMTIME) {
- dst->o_mtime = LTIME_S(lli->lli_st_mtime);
+ dst->o_mtime = LTIME_S(st->st_mtime);
newvalid |= OBD_MD_FLMTIME;
}
if (valid & OBD_MD_FLCTIME) {
- dst->o_ctime = LTIME_S(lli->lli_st_ctime);
+ dst->o_ctime = LTIME_S(st->st_ctime);
newvalid |= OBD_MD_FLCTIME;
}
if (valid & OBD_MD_FLSIZE) {
- dst->o_size = lli->lli_st_size;
+ dst->o_size = st->st_size;
newvalid |= OBD_MD_FLSIZE;
}
if (valid & OBD_MD_FLBLOCKS) { /* allocation of space (x512 bytes) */
- dst->o_blocks = lli->lli_st_blocks;
+ dst->o_blocks = st->st_blocks;
newvalid |= OBD_MD_FLBLOCKS;
}
if (valid & OBD_MD_FLBLKSZ) { /* optimal block size */
- dst->o_blksize = lli->lli_st_blksize;
+ dst->o_blksize = st->st_blksize;
newvalid |= OBD_MD_FLBLKSZ;
}
if (valid & OBD_MD_FLTYPE) {
- dst->o_mode = (dst->o_mode & S_IALLUGO)|(lli->lli_st_mode & S_IFMT);
+ dst->o_mode = (dst->o_mode & S_IALLUGO)|(st->st_mode & S_IFMT);
newvalid |= OBD_MD_FLTYPE;
}
if (valid & OBD_MD_FLMODE) {
- dst->o_mode = (dst->o_mode & S_IFMT)|(lli->lli_st_mode & S_IALLUGO);
+ dst->o_mode = (dst->o_mode & S_IFMT)|(st->st_mode & S_IALLUGO);
newvalid |= OBD_MD_FLMODE;
}
if (valid & OBD_MD_FLUID) {
- dst->o_uid = lli->lli_st_uid;
+ dst->o_uid = st->st_uid;
newvalid |= OBD_MD_FLUID;
}
if (valid & OBD_MD_FLGID) {
- dst->o_gid = lli->lli_st_gid;
+ dst->o_gid = st->st_gid;
newvalid |= OBD_MD_FLGID;
}
if (valid & OBD_MD_FLFLAGS) {
{
struct inode *inode;
struct llu_inode_info *lli;
+ struct intnl_stat st = {
+ st_dev: 0,
+#ifndef AUTOMOUNT_FILE_NAME
+ st_mode: fid->f_type & S_IFMT,
+#else
+ st_mode: fid->f_type /* all of the bits! */
+#endif
+ st_uid: geteuid(),
+ st_gid: getegid(),
+ };
OBD_ALLOC(lli, sizeof(*lli));
if (!lli)
/* file identifier is needed by functions like _sysio_i_find() */
inode = _sysio_i_new(fs, &lli->lli_sysio_fid,
-#ifndef AUTOMOUNT_FILE_NAME
- fid->f_type & S_IFMT,
-#else
- fid->f_type, /* all of the bits! */
-#endif
- 0, 0,
- &llu_inode_ops, lli);
+ &st, 0, &llu_inode_ops, lli);
if (!inode)
OBD_FREE(lli, sizeof(*lli));
LASSERT(inode);
obddev = sbi->ll_mdc_exp->exp_obd;
- res_id.name[0] = lli->lli_st_ino;
+ res_id.name[0] = llu_i2stat(inode)->st_ino;
res_id.name[1] = lli->lli_st_generation;
CDEBUG(D_INFO, "trying to match res "LPU64"\n", res_id.name[0]);
static int llu_inode_revalidate(struct inode *inode)
{
- struct llu_inode_info *lli = llu_i2info(inode);
struct lov_stripe_md *lsm = NULL;
ENTRY;
struct ptlrpc_request *req = NULL;
struct llu_sb_info *sbi = llu_i2sbi(inode);
struct ll_fid fid;
- unsigned long valid = 0;
+ unsigned long valid = OBD_MD_FLGETATTR;
int rc, ealen = 0;
/* Why don't we update all valid MDS fields here, if we're
* doing an RPC anyways? -phil */
- if (S_ISREG(lli->lli_st_mode)) {
+ if (S_ISREG(llu_i2stat(inode)->st_mode)) {
ealen = obd_size_diskmd(sbi->ll_osc_exp, NULL);
valid |= OBD_MD_FLEASIZE;
}
ll_inode2fid(&fid, inode);
rc = mdc_getattr(sbi->ll_mdc_exp, &fid, valid, ealen, &req);
if (rc) {
- CERROR("failure %d inode %lu\n", rc, lli->lli_st_ino);
+ CERROR("failure %d inode %llu\n", rc, llu_i2stat(inode)->st_ino);
RETURN(-abs(rc));
}
rc = mdc_req2lustre_md(req, 0, sbi->ll_osc_exp, &md);
static void copy_stat_buf(struct inode *ino, struct intnl_stat *b)
{
- struct llu_inode_info *lli = llu_i2info(ino);
-
- b->st_dev = lli->lli_st_dev;
- b->st_ino = lli->lli_st_ino;
- b->st_mode = lli->lli_st_mode;
- b->st_nlink = lli->lli_st_nlink;
- b->st_uid = lli->lli_st_uid;
- b->st_gid = lli->lli_st_gid;
- b->st_rdev = lli->lli_st_rdev;
- b->st_size = lli->lli_st_size;
- b->st_blksize = lli->lli_st_blksize;
- b->st_blocks = lli->lli_st_blocks;
- b->st_atime = lli->lli_st_atime;
- b->st_mtime = lli->lli_st_mtime;
- b->st_ctime = lli->lli_st_ctime;
+ *b = *llu_i2stat(ino);
}
static int llu_iop_getattr(struct pnode *pno,
int rc;
ENTRY;
+ liblustre_wait_event(0);
+
if (!ino) {
LASSERT(pno);
LASSERT(pno->p_base->pb_ino);
rc = llu_inode_revalidate(ino);
if (!rc) {
copy_stat_buf(ino, b);
-
- if (llu_i2info(ino)->lli_it) {
- struct lookup_intent *it;
-
- LL_GET_INTENT(ino, it);
- it->it_op_release(it);
- OBD_FREE(it, sizeof(*it));
- }
+ LASSERT(!llu_i2info(ino)->lli_it);
}
RETURN(rc);
lock->l_ast_data = NULL;
if (lock->l_req_mode != lock->l_granted_mode)
- LDLM_ERROR(lock,"clearing inode with ungranted lock\n"); }
+ LDLM_ERROR(lock,"clearing inode with ungranted lock\n");
+ }
return LDLM_ITER_CONTINUE;
}
struct llu_sb_info *sbi = llu_i2sbi(inode);
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%lu(%p)\n", lli->lli_st_ino,
- lli->lli_st_generation, inode);
+ CDEBUG(D_VFSTRACE, "VFS Op:inode=%llu/%lu(%p)\n",
+ llu_i2stat(inode)->st_ino, lli->lli_st_generation, inode);
ll_inode2fid(&fid, inode);
clear_bit(LLI_F_HAVE_MDS_SIZE_LOCK, &(lli->lli_flags));
struct llu_inode_info *lli = llu_i2info(inode);
ENTRY;
+ liblustre_wait_event(0);
llu_clear_inode(inode);
OBD_FREE(lli, sizeof(*lli));
static int inode_setattr(struct inode * inode, struct iattr * attr)
{
unsigned int ia_valid = attr->ia_valid;
- struct llu_inode_info *lli = llu_i2info(inode);
+ struct intnl_stat *st = llu_i2stat(inode);
int error = 0;
if (ia_valid & ATTR_SIZE) {
}
if (ia_valid & ATTR_UID)
- lli->lli_st_uid = attr->ia_uid;
+ st->st_uid = attr->ia_uid;
if (ia_valid & ATTR_GID)
- lli->lli_st_gid = attr->ia_gid;
+ st->st_gid = attr->ia_gid;
if (ia_valid & ATTR_ATIME)
- lli->lli_st_atime = attr->ia_atime;
+ st->st_atime = attr->ia_atime;
if (ia_valid & ATTR_MTIME)
- lli->lli_st_mtime = attr->ia_mtime;
+ st->st_mtime = attr->ia_mtime;
if (ia_valid & ATTR_CTIME)
- lli->lli_st_ctime = attr->ia_ctime;
+ st->st_ctime = attr->ia_ctime;
if (ia_valid & ATTR_MODE) {
- lli->lli_st_mode = attr->ia_mode;
- if (!in_group_p(lli->lli_st_gid) && !capable(CAP_FSETID))
- lli->lli_st_mode &= ~S_ISGID;
+ st->st_mode = attr->ia_mode;
+ if (!in_group_p(st->st_gid) && !capable(CAP_FSETID))
+ st->st_mode &= ~S_ISGID;
}
/* mark_inode_dirty(inode); */
out:
{
struct lov_stripe_md *lsm = llu_i2info(inode)->lli_smd;
struct llu_sb_info *sbi = llu_i2sbi(inode);
- struct llu_inode_info *lli = llu_i2info(inode);
+ struct intnl_stat *st = llu_i2stat(inode);
struct ptlrpc_request *request = NULL;
struct mdc_op_data op_data;
int ia_valid = attr->ia_valid;
int rc = 0;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu\n", lli->lli_st_ino);
+ CDEBUG(D_VFSTRACE, "VFS Op:inode=%llu\n", st->st_ino);
if (ia_valid & ATTR_SIZE) {
if (attr->ia_size > ll_file_maxbytes(inode)) {
ptlrpc_req_finished(request);
RETURN(rc);
}
+
+ /* We call inode_setattr to adjust timestamps, but we first
+ * clear ATTR_SIZE to avoid invoking vmtruncate.
+ *
+ * NB: ATTR_SIZE will only be set at this point if the size
+ * resides on the MDS, ie, this file has no objects. */
+ attr->ia_valid &= ~ATTR_SIZE;
+ inode_setattr(inode, attr);
llu_update_inode(inode, md.body, md.lsm);
ptlrpc_req_finished(request);
- if (!md.lsm || !S_ISREG(lli->lli_st_mode)) {
+ if (!md.lsm || !S_ISREG(st->st_mode)) {
CDEBUG(D_INODE, "no lsm: not setting attrs on OST\n");
RETURN(0);
}
if (ia_valid & (ATTR_MTIME | ATTR_ATIME)) {
/* 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)
+ if (current->fsuid != st->st_uid &&
+ (rc = ll_permission(inode, MAY_WRITE)) != 0)
RETURN(rc);
} else {
/* from inode_change_ok() */
- if (current->fsuid != lli->lli_st_uid &&
+ if (current->fsuid != st->st_uid &&
!capable(CAP_FOWNER))
RETURN(-EPERM);
}
}
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? */
} else if (ia_valid & (ATTR_MTIME | ATTR_MTIME_SET)) {
struct obdo oa;
- CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n",
- lli->lli_st_ino, LTIME_S(attr->ia_mtime));
+ CDEBUG(D_INODE, "set mtime on OST inode %llu to %lu\n",
+ st->st_ino, LTIME_S(attr->ia_mtime));
oa.o_id = lsm->lsm_object_id;
oa.o_valid = OBD_MD_FLID;
obdo_from_inode(&oa, inode, OBD_MD_FLTYPE | OBD_MD_FLATIME |
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) {
iattr.ia_valid |= ATTR_SIZE;
}
- iattr.ia_valid |= ATTR_RAW;
+ iattr.ia_valid |= ATTR_RAW | ATTR_CTIME;
+ iattr.ia_ctime = CURRENT_TIME;
RETURN(llu_setattr_raw(ino, &iattr));
}
int err = -EMLINK;
ENTRY;
- if (llu_i2info(dir)->lli_st_nlink >= EXT2_LINK_MAX)
+ if (llu_i2stat(dir)->st_nlink >= EXT2_LINK_MAX)
RETURN(err);
llu_prepare_mdc_op_data(&op_data, dir, NULL, name, len, 0);
struct llu_sb_info *sbi = llu_i2sbi(inode);
struct ll_fid fid;
struct mds_body *body;
- int rc, symlen = lli->lli_st_size + 1;
+ struct intnl_stat *st = llu_i2stat(inode);
+ int rc, symlen = st->st_size + 1;
ENTRY;
*request = NULL;
rc = mdc_getattr(sbi->ll_mdc_exp, &fid,
OBD_MD_LINKNAME, symlen, request);
if (rc) {
- CERROR("inode %lu: rc = %d\n", lli->lli_st_ino, rc);
+ CERROR("inode %llu: rc = %d\n", st->st_ino, rc);
RETURN(rc);
}
LASSERT (symlen != 0);
if (body->eadatasize != symlen) {
- CERROR ("inode %lu: symlink length %d not expected %d\n",
- lli->lli_st_ino, body->eadatasize - 1, symlen - 1);
+ CERROR ("inode %llu: symlink length %d not expected %d\n",
+ st->st_ino, body->eadatasize - 1, symlen - 1);
GOTO (failed, rc = -EPROTO);
}
if (*symname == NULL ||
strnlen (*symname, symlen) != symlen - 1) {
/* not full/NULL terminated */
- CERROR ("inode %lu: symlink not NULL terminated string"
- "of length %d\n", lli->lli_st_ino, symlen - 1);
+ CERROR ("inode %llu: symlink not NULL terminated string"
+ "of length %d\n", st->st_ino, symlen - 1);
GOTO (failed, rc = -EPROTO);
}
LASSERT(symname);
strncpy(data, symname, bufsize);
+ rc = strlen(symname);
ptlrpc_req_finished(request);
out:
int err = -EMLINK;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu\n",
- pno->p_base->pb_name.name, llu_i2info(dir)->lli_st_ino);
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%llu\n",
+ (int)pno->p_base->pb_name.len, pno->p_base->pb_name.name,
+ llu_i2stat(dir)->st_ino);
- if (llu_i2info(dir)->lli_st_nlink >= EXT2_LINK_MAX)
+ if (llu_i2stat(dir)->st_nlink >= EXT2_LINK_MAX)
RETURN(err);
- mode &= ~current->fs->umask;
-
switch (mode & S_IFMT) {
case 0:
case S_IFREG:
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);
const char *name = qstr->name;
int len = qstr->len;
struct ptlrpc_request *request = NULL;
- struct llu_inode_info *lli = llu_i2info(dir);
+ struct intnl_stat *st = llu_i2stat(dir);
struct mdc_op_data op_data;
int err = -EMLINK;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%lu(%p)\n",
- name, lli->lli_st_ino, lli->lli_st_generation, dir);
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%llu/%lu(%p)\n",
+ len, name, st->st_ino, llu_i2info(dir)->lli_st_generation, dir);
- if (lli->lli_st_nlink >= EXT2_LINK_MAX)
+ if (st->st_nlink >= EXT2_LINK_MAX)
RETURN(err);
- mode = (mode & (S_IRWXUGO|S_ISVTX) & ~current->fs->umask) | S_IFDIR;
llu_prepare_mdc_op_data(&op_data, dir, NULL, name, len, 0);
err = mdc_create(llu_i2sbi(dir)->ll_mdc_exp, &op_data, NULL, 0, mode,
current->fsuid, current->fsgid, 0, &request);
int len = qstr->len;
struct ptlrpc_request *request = NULL;
struct mdc_op_data op_data;
- struct llu_inode_info *lli = llu_i2info(dir);
int rc;
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:name=%s,dir=%lu/%lu(%p)\n",
- name, lli->lli_st_ino, lli->lli_st_generation, dir);
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%llu/%lu(%p)\n", len, name,
+ llu_i2stat(dir)->st_ino, llu_i2info(dir)->lli_st_generation,dir);
llu_prepare_mdc_op_data(&op_data, dir, NULL, name, len, S_IFDIR);
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)
+
+/* refer to ll_file_flock() for details */
+static int llu_file_flock(struct inode *ino,
+ int cmd,
+ struct file_lock *file_lock)
+{
+ struct obd_device *obddev;
+ struct llu_inode_info *lli = llu_i2info(ino);
+ struct intnl_stat *st = llu_i2stat(ino);
+ struct ldlm_res_id res_id =
+ { .name = {st->st_ino,
+ lli->lli_st_generation, LDLM_FLOCK} };
+ struct lustre_handle lockh = {0};
+ ldlm_policy_data_t flock;
+ ldlm_mode_t mode = 0;
+ int flags = 0;
+ int rc;
+
+ CDEBUG(D_VFSTRACE, "VFS Op:inode="LPU64" file_lock=%p\n",
+ st->st_ino, file_lock);
+
+ flock.l_flock.pid = file_lock->fl_pid;
+ flock.l_flock.start = file_lock->fl_start;
+ flock.l_flock.end = file_lock->fl_end;
+
+ switch (file_lock->fl_type) {
+ case F_RDLCK:
+ mode = LCK_PR;
+ break;
+ case F_UNLCK:
+ mode = LCK_NL;
+ break;
+ case F_WRLCK:
+ mode = LCK_PW;
+ break;
+ default:
+ CERROR("unknown fcntl lock type: %d\n", file_lock->fl_type);
+ LBUG();
+ }
+
+ switch (cmd) {
+ case F_SETLKW:
+#ifdef F_SETLKW64
+#if F_SETLKW64 != F_SETLKW
+ case F_SETLKW64:
+#endif
+#endif
+ flags = 0;
+ break;
+ case F_SETLK:
+#ifdef F_SETLK64
+#if F_SETLK64 != F_SETLK
+ case F_SETLK64:
+#endif
+#endif
+ flags = LDLM_FL_BLOCK_NOWAIT;
+ break;
+ case F_GETLK:
+#ifdef F_GETLK64
+#if F_GETLK64 != F_GETLK
+ case F_GETLK64:
+#endif
+#endif
+ flags = LDLM_FL_TEST_LOCK;
+ file_lock->fl_type = mode;
+ break;
+ default:
+ CERROR("unknown fcntl cmd: %d\n", cmd);
+ LBUG();
}
+ CDEBUG(D_DLMTRACE, "inode="LPU64", pid=%u, flags=%#x, mode=%u, "
+ "start="LPU64", end="LPU64"\n", st->st_ino, flock.l_flock.pid,
+ flags, mode, flock.l_flock.start, flock.l_flock.end);
+
+ obddev = llu_i2mdcexp(ino)->exp_obd;
+ rc = ldlm_cli_enqueue(llu_i2mdcexp(ino), NULL, obddev->obd_namespace,
+ res_id, LDLM_FLOCK, &flock, mode, &flags,
+ NULL, ldlm_flock_completion_ast, NULL, file_lock,
+ NULL, 0, NULL, &lockh);
RETURN(rc);
}
-static int llu_iop_fcntl(struct inode *ino, int cmd, va_list ap)
+static int assign_type(struct file_lock *fl, int type)
{
- CERROR("liblustre did not support fcntl\n");
- return -ENOSYS;
+ switch (type) {
+ case F_RDLCK:
+ case F_WRLCK:
+ case F_UNLCK:
+ fl->fl_type = type;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int flock_to_posix_lock(struct inode *ino,
+ struct file_lock *fl,
+ struct flock *l)
+{
+ switch (l->l_whence) {
+ /* XXX: only SEEK_SET is supported in lustre */
+ case SEEK_SET:
+ fl->fl_start = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ fl->fl_end = l->l_len - 1;
+ if (l->l_len < 0)
+ return -EINVAL;
+ if (l->l_len == 0)
+ fl->fl_end = OFFSET_MAX;
+
+ fl->fl_pid = getpid();
+ fl->fl_flags = FL_POSIX;
+ fl->fl_notify = NULL;
+ fl->fl_insert = NULL;
+ fl->fl_remove = NULL;
+ /* XXX: these fields can't be filled with suitable values,
+ but I think lustre doesn't use them.
+ */
+ fl->fl_owner = NULL;
+ fl->fl_file = NULL;
+
+ return assign_type(fl, l->l_type);
}
+static int llu_fcntl_getlk(struct inode *ino, struct flock *flock)
+{
+ struct file_lock fl;
+ int error;
+
+ error = EINVAL;
+ if ((flock->l_type != F_RDLCK) && (flock->l_type != F_WRLCK))
+ goto out;
+
+ error = flock_to_posix_lock(ino, &fl, flock);
+ if (error)
+ goto out;
+
+ error = llu_file_flock(ino, F_GETLK, &fl);
+ if (error)
+ goto out;
+
+ flock->l_type = F_UNLCK;
+ if (fl.fl_type != F_UNLCK) {
+ flock->l_pid = fl.fl_pid;
+ flock->l_start = fl.fl_start;
+ flock->l_len = fl.fl_end == OFFSET_MAX ? 0:
+ fl.fl_end - fl.fl_start + 1;
+ flock->l_whence = SEEK_SET;
+ flock->l_type = fl.fl_type;
+ }
+
+out:
+ return error;
+}
+
+static int llu_fcntl_setlk(struct inode *ino, int cmd, struct flock *flock)
+{
+ struct file_lock fl;
+ int flags = llu_i2info(ino)->lli_open_flags + 1;
+ int error;
+
+ error = flock_to_posix_lock(ino, &fl, flock);
+ if (error)
+ goto out;
+ if (cmd == F_SETLKW)
+ fl.fl_flags |= FL_SLEEP;
+
+ error = -EBADF;
+ switch (flock->l_type) {
+ case F_RDLCK:
+ if (!(flags & FMODE_READ))
+ goto out;
+ break;
+ case F_WRLCK:
+ if (!(flags & FMODE_WRITE))
+ goto out;
+ break;
+ case F_UNLCK:
+ break;
+ default:
+ error = -EINVAL;
+ goto out;
+ }
+
+ error = llu_file_flock(ino, cmd, &fl);
+ if (error)
+ goto out;
+
+out:
+ return error;
+}
+
+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;
+ struct flock *flock;
+ long err;
+
+ 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 = -EINVAL;
+ return EINVAL;
+ }
+ lli->lli_open_flags = (int)(flags & FCNTL_FLMASK) |
+ (lli->lli_open_flags & ~FCNTL_FLMASK);
+ *rtn = 0;
+ return 0;
+ case F_GETLK:
+ flock = va_arg(ap, struct flock *);
+ err = llu_fcntl_getlk(ino, flock);
+ *rtn = err? -1: 0;
+ return err;
+ case F_SETLK:
+ case F_SETLKW:
+ flock = va_arg(ap, struct flock *);
+ err = llu_fcntl_setlk(ino, cmd, flock);
+ *rtn = err? -1: 0;
+ return err;
+ }
+
+ CERROR("unsupported fcntl cmd %x\n", cmd);
+ *rtn = -ENOSYS;
+ return ENOSYS;
+}
+
+static int llu_get_grouplock(struct inode *inode, unsigned long arg)
+{
+ 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");
+
+ liblustre_wait_event(0);
+
+ switch (request) {
+ unsigned long arg;
+ 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 "LPX64"\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;
+ char ll_instance[sizeof(sbi) * 2 + 1];
struct lustre_profile *lprof;
+ char *zconf_mdsnid, *zconf_mdsname, *zconf_profile;
char *osc = NULL, *mdc = NULL;
- int err = -EINVAL;
+ int async = 1, err = -EINVAL;
ENTRY;
+ if (ll_parse_mount_target(source,
+ &zconf_mdsnid,
+ &zconf_mdsname,
+ &zconf_profile)) {
+ CERROR("mal-formed target %s\n", source);
+ RETURN(err);
+ }
+ if (!zconf_mdsnid || !zconf_mdsname || !zconf_profile) {
+ printf("Liblustre: invalid target %s\n", source);
+ RETURN(err);
+ }
/* allocate & initialize sbi */
OBD_ALLOC(sbi, sizeof(*sbi));
if (!sbi)
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.*/
+ sprintf(ll_instance, "%p", sbi);
+
+ /* retrive & parse config log */
+ cfg.cfg_instance = ll_instance;
+ cfg.cfg_uuid = sbi->ll_sb_uuid;
+ err = liblustre_process_log(&cfg, zconf_mdsnid, zconf_mdsname,
+ zconf_profile, 1);
+ if (err < 0) {
+ CERROR("Unable to process log: %s\n", 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(zconf_profile);
+ if (lprof == NULL) {
+ CERROR("No profile found: %s\n", zconf_profile);
+ GOTO(out_free, err = -EINVAL);
}
+ OBD_ALLOC(osc, strlen(lprof->lp_osc) + strlen(ll_instance) + 2);
+ sprintf(osc, "%s-%s", lprof->lp_osc, ll_instance);
+
+ OBD_ALLOC(mdc, strlen(lprof->lp_mdc) + strlen(ll_instance) + 2);
+ sprintf(mdc, "%s-%s", lprof->lp_mdc, 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);
/* setup mdc */
err = obd_connect(&mdc_conn, obd, &sbi->ll_sb_uuid, NULL /* ocd */);
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, NULL /* ocd */);
if (err) {
/* fetch attr of root inode */
err = mdc_getattr(sbi->ll_mdc_exp, &rootfid,
- OBD_MD_FLNOTOBD|OBD_MD_FLBLOCKS, 0, &request);
+ OBD_MD_FLGETATTR | OBD_MD_FLBLOCKS, 0, &request);
if (err) {
CERROR("mdc_getattr failed for root: rc = %d\n", err);
GOTO(out_osc, 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);
}
ptlrpc_req_finished(request);
- printf("LibLustre: namespace mounted successfully!\n");
+ CDEBUG(D_SUPER, "LibLustre: %s mounted successfully!\n", source);
return 0;
out_mdc:
obd_disconnect(sbi->ll_mdc_exp);
out_free:
+ if (osc)
+ OBD_FREE(osc, strlen(osc) + 1);
+ if (mdc)
+ OBD_FREE(mdc, strlen(mdc) + 1);
OBD_FREE(sbi, sizeof(*sbi));
return err;
}
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