* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
#include <linux/module.h>
#include <linux/types.h>
-#include <linux/random.h>
#include <linux/version.h>
#include <linux/mm.h>
cfs_list_add_tail(&sbi->ll_list, &ll_super_blocks);
cfs_spin_unlock(&ll_sb_lock);
-#ifdef ENABLE_LLITE_CHECKSUM
+#ifdef ENABLE_CHECKSUM
sbi->ll_flags |= LL_SBI_CHECKSUM;
#endif
OBD_CONNECT_OSS_CAPA | OBD_CONNECT_CANCELSET|
OBD_CONNECT_FID | OBD_CONNECT_AT |
OBD_CONNECT_LOV_V3 | OBD_CONNECT_RMT_CLIENT |
- OBD_CONNECT_VBR | OBD_CONNECT_SOM;
+ OBD_CONNECT_VBR | OBD_CONNECT_FULL20;
+
+ if (sbi->ll_flags & LL_SBI_SOM_PREVIEW)
+ data->ocd_connect_flags |= OBD_CONNECT_SOM;
#ifdef HAVE_LRU_RESIZE_SUPPORT
if (sbi->ll_flags & LL_SBI_LRU_RESIZE)
GOTO(out_md, err);
}
- err = obd_statfs(obd, &osfs, cfs_time_current_64() - CFS_HZ, 0);
+ err = obd_statfs(obd, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS), 0);
if (err)
GOTO(out_md_fid, err);
OBD_CONNECT_SRVLOCK | OBD_CONNECT_TRUNCLOCK|
OBD_CONNECT_AT | OBD_CONNECT_RMT_CLIENT |
OBD_CONNECT_OSS_CAPA | OBD_CONNECT_VBR|
- OBD_CONNECT_SOM;
+ OBD_CONNECT_FULL20;
+
+ if (sbi->ll_flags & LL_SBI_SOM_PREVIEW)
+ data->ocd_connect_flags |= OBD_CONNECT_SOM;
if (!OBD_FAIL_CHECK(OBD_FAIL_OSC_CONNECT_CKSUM)) {
/* OBD_CONNECT_CKSUM should always be set, even if checksums are
CDEBUG(D_SUPER, "rootfid "DFID"\n", PFID(&sbi->ll_root_fid));
sb->s_op = &lustre_super_operations;
+#if THREAD_SIZE >= 8192
sb->s_export_op = &lustre_export_operations;
+#endif
/* make root inode
* XXX: move this to after cbd setup? */
*flags &= ~tmp;
goto next;
}
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2,5,50,0)
tmp = ll_set_opt("acl", s1, LL_SBI_ACL);
if (tmp) {
/* Ignore deprecated mount option. The client will
* always try to mount with ACL support, whether this
* is used depends on whether server supports it. */
+ LCONSOLE_ERROR_MSG(0x152, "Ignoring deprecated "
+ "mount option 'acl'.\n");
goto next;
}
tmp = ll_set_opt("noacl", s1, LL_SBI_ACL);
if (tmp) {
+ LCONSOLE_ERROR_MSG(0x152, "Ignoring deprecated "
+ "mount option 'noacl'.\n");
goto next;
}
+#else
+#warning "{no}acl options have been deprecated since 1.8, please remove them"
+#endif
tmp = ll_set_opt("remote_client", s1, LL_SBI_RMT_CLIENT);
if (tmp) {
*flags |= tmp;
*flags &= ~tmp;
goto next;
}
+ tmp = ll_set_opt("som_preview", s1, LL_SBI_SOM_PREVIEW);
+ if (tmp) {
+ *flags |= tmp;
+ goto next;
+ }
+ tmp = ll_set_opt("32bitapi", s1, LL_SBI_32BIT_API);
+ if (tmp) {
+ *flags |= tmp;
+ goto next;
+ }
LCONSOLE_ERROR_MSG(0x152, "Unknown option '%s', won't mount.\n",
s1);
lli->lli_inode_magic = LLI_INODE_MAGIC;
cfs_sema_init(&lli->lli_size_sem, 1);
cfs_sema_init(&lli->lli_write_sem, 1);
- cfs_sema_init(&lli->lli_trunc_sem, 1);
+ cfs_init_rwsem(&lli->lli_trunc_sem);
lli->lli_flags = 0;
lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
cfs_spin_lock_init(&lli->lli_lock);
lli->lli_rmtperm_utime = 0;
cfs_sema_init(&lli->lli_rmtperm_sem, 1);
CFS_INIT_LIST_HEAD(&lli->lli_oss_capas);
+ cfs_spin_lock_init(&lli->lli_sa_lock);
}
+#ifdef HAVE_NEW_BACKING_DEV_INFO
+static atomic_t ll_bdi_num = ATOMIC_INIT(0);
+#endif
+
int ll_fill_super(struct super_block *sb)
{
struct lustre_profile *lprof;
if (err)
GOTO(out_free, err);
+ err = ll_bdi_init(&lsi->bdi);
+ if (err)
+ GOTO(out_free, err);
+
+#ifdef HAVE_NEW_BACKING_DEV_INFO
+ lsi->bdi.name = "lustre";
+ lsi->bdi.capabilities = BDI_CAP_MAP_COPY;
+ err = bdi_register(&lsi->bdi, NULL, "lustre-%d",
+ atomic_inc_return(&ll_bdi_num));
+ sb->s_bdi = &lsi->bdi;
+#endif
+
/* Generate a string unique to this super, in case some joker tries
to mount the same fs at two mount points.
Use the address of the super itself.*/
GOTO(out_free, err);
}
+ /* Profile set with LCFG_MOUNTOPT so we can find our mdc and osc obds */
lprof = class_get_profile(profilenm);
if (lprof == NULL) {
LCONSOLE_ERROR_MSG(0x156, "The client profile '%s' could not be"
if (profilenm)
class_del_profile(profilenm);
+ if (ll_bdi_wb_cnt(lsi->bdi) > 0)
+ ll_bdi_destroy(&lsi->bdi);
+
ll_free_sbi(sb);
lsi->lsi_llsbi = NULL;
inode = igrab(lock->l_ast_data);
} else {
inode = lock->l_ast_data;
- ldlm_lock_debug(NULL, inode->i_state & I_FREEING ?
- D_INFO : D_WARNING,
- lock, __FILE__, __func__, __LINE__,
- "l_ast_data %p is bogus: magic %08x",
- lock->l_ast_data, lli->lli_inode_magic);
+ LDLM_DEBUG_LIMIT(inode->i_state & I_FREEING ? D_INFO :
+ D_WARNING, lock, "l_ast_data %p is "
+ "bogus: magic %08x", lock->l_ast_data,
+ lli->lli_inode_magic);
inode = NULL;
}
}
RETURN(rc);
}
-static int ll_setattr_do_truncate(struct inode *inode, loff_t size)
+static int ll_setattr_ost(struct inode *inode, struct iattr *attr)
{
- struct obd_capa *capa = ll_osscapa_get(inode, CAPA_OPC_OSS_TRUNC);
+ struct obd_capa *capa;
int rc;
- rc = cl_setattr_do_truncate(inode, size, capa);
- ll_truncate_free_capa(capa);
- return rc;
-}
+ if (attr->ia_valid & ATTR_SIZE)
+ capa = ll_osscapa_get(inode, CAPA_OPC_OSS_TRUNC);
+ else
+ capa = ll_mdscapa_get(inode);
-static int ll_setattr_ost(struct inode *inode)
-{
- struct obd_capa *capa = ll_mdscapa_get(inode);
- int rc;
+ rc = cl_setattr_ost(inode, attr, capa);
- rc = cl_setattr_ost(inode, capa);
- capa_put(capa);
+ if (attr->ia_valid & ATTR_SIZE)
+ ll_truncate_free_capa(capa);
+ else
+ capa_put(capa);
return rc;
}
attr->ia_mtime = CFS_CURRENT_TIME;
attr->ia_valid |= ATTR_MTIME_SET;
}
- if ((attr->ia_valid & ATTR_CTIME) && !(attr->ia_valid & ATTR_MTIME)) {
- /* To avoid stale mtime on mds, obtain it from ost and send
- to mds. */
- rc = cl_glimpse_size(inode);
- if (rc)
- RETURN(rc);
-
- attr->ia_valid |= ATTR_MTIME_SET | ATTR_MTIME;
- attr->ia_mtime = inode->i_mtime;
- }
if (attr->ia_valid & (ATTR_MTIME | ATTR_CTIME))
CDEBUG(D_INODE, "setting mtime %lu, ctime %lu, now = %lu\n",
UNLOCK_INODE_MUTEX(inode);
if (ia_valid & ATTR_SIZE)
UP_WRITE_I_ALLOC_SEM(inode);
- cfs_down(&lli->lli_trunc_sem);
+ cfs_down_write(&lli->lli_trunc_sem);
LOCK_INODE_MUTEX(inode);
if (ia_valid & ATTR_SIZE)
DOWN_WRITE_I_ALLOC_SEM(inode);
memcpy(&op_data->op_attr, attr, sizeof(*attr));
/* Open epoch for truncate. */
- if (exp_connect_som(ll_i2mdexp(inode)) && (ia_valid & ATTR_SIZE))
+ if (exp_connect_som(ll_i2mdexp(inode)) &&
+ (ia_valid & (ATTR_SIZE | ATTR_MTIME | ATTR_MTIME_SET)))
op_data->op_flags = MF_EPOCH_OPEN;
rc = ll_md_setattr(inode, op_data, &mod);
}
if (ia_valid & ATTR_SIZE)
- rc = ll_setattr_do_truncate(inode, attr->ia_size);
- else if (ia_valid & (ATTR_MTIME | ATTR_MTIME_SET)) {
- CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n",
- inode->i_ino, LTIME_S(attr->ia_mtime));
- rc = ll_setattr_ost(inode);
- }
+ attr->ia_valid |= ATTR_SIZE;
+ if (ia_valid & (ATTR_SIZE |
+ ATTR_ATIME | ATTR_ATIME_SET |
+ ATTR_MTIME | ATTR_MTIME_SET))
+ /* on truncate and utimes send attributes to osts, setting
+ * mtime/atime to past will be performed under PW 0:EOF extent
+ * lock (new_size:EOF for truncate)
+ * it may seem excessive to send mtime/atime updates to osts
+ * when not setting times to past, but it is necessary due to
+ * possible time de-synchronization */
+ rc = ll_setattr_ost(inode, attr);
EXIT;
out:
if (op_data) {
rc1 = ll_setattr_done_writing(inode, op_data, mod);
ll_finish_md_op_data(op_data);
}
- cfs_up(&lli->lli_trunc_sem);
+ cfs_up_write(&lli->lli_trunc_sem);
return rc ? rc : rc1;
}
CDEBUG(D_VFSTRACE, "VFS Op: at "LPU64" jiffies\n", get_jiffies_64());
ll_stats_ops_tally(ll_s2sbi(sb), LPROC_LL_STAFS, 1);
- /* For now we will always get up-to-date statfs values, but in the
- * future we may allow some amount of caching on the client (e.g.
- * from QOS or lprocfs updates). */
- rc = ll_statfs_internal(sb, &osfs, cfs_time_current_64() - 1, 0);
+ /* Some amount of caching on the client is allowed */
+ rc = ll_statfs_internal(sb, &osfs,
+ cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS),
+ 0);
if (rc)
return rc;
inode->i_ino = cl_fid_build_ino(&body->fid1);
inode->i_generation = cl_fid_build_gen(&body->fid1);
- if (body->valid & OBD_MD_FLATIME &&
- body->atime > LTIME_S(inode->i_atime))
- LTIME_S(inode->i_atime) = body->atime;
-
- /* mtime is always updated with ctime, but can be set in past.
- As write and utime(2) may happen within 1 second, and utime's
- mtime has a priority over write's one, so take mtime from mds
- for the same ctimes. */
- if (body->valid & OBD_MD_FLCTIME &&
- body->ctime >= LTIME_S(inode->i_ctime)) {
- LTIME_S(inode->i_ctime) = body->ctime;
- if (body->valid & OBD_MD_FLMTIME) {
- CDEBUG(D_INODE, "setting ino %lu mtime "
- "from %lu to "LPU64"\n", inode->i_ino,
+ if (body->valid & OBD_MD_FLATIME) {
+ if (body->atime > LTIME_S(inode->i_atime))
+ LTIME_S(inode->i_atime) = body->atime;
+ lli->lli_lvb.lvb_atime = body->atime;
+ }
+ if (body->valid & OBD_MD_FLMTIME) {
+ if (body->mtime > LTIME_S(inode->i_mtime)) {
+ CDEBUG(D_INODE, "setting ino %lu mtime from %lu "
+ "to "LPU64"\n", inode->i_ino,
LTIME_S(inode->i_mtime), body->mtime);
LTIME_S(inode->i_mtime) = body->mtime;
}
+ lli->lli_lvb.lvb_mtime = body->mtime;
+ }
+ if (body->valid & OBD_MD_FLCTIME) {
+ if (body->ctime > LTIME_S(inode->i_ctime))
+ LTIME_S(inode->i_ctime) = body->ctime;
+ lli->lli_lvb.lvb_ctime = body->ctime;
}
if (body->valid & OBD_MD_FLMODE)
inode->i_mode = (inode->i_mode & S_IFMT)|(body->mode & ~S_IFMT);
/* Use old size assignment to avoid
* deadlock bz14138 & bz14326 */
inode->i_size = body->size;
+
+ CDEBUG(D_VFSTRACE, "inode=%lu, updating i_size %llu\n",
+ inode->i_ino, (unsigned long long)body->size);
}
if (body->valid & OBD_MD_FLBLOCKS)
}
}
-static struct backing_dev_info ll_backing_dev_info = {
- .ra_pages = 0, /* No readahead */
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,12))
- .capabilities = 0, /* Does contribute to dirty memory */
-#else
- .memory_backed = 0, /* Does contribute to dirty memory */
-#endif
-};
-
void ll_read_inode2(struct inode *inode, void *opaque)
{
struct lustre_md *md = opaque;
/* OIDEBUG(inode); */
+ /* initializing backing dev info. */
+ inode->i_mapping->backing_dev_info = &(s2lsi(inode->i_sb)->bdi);
+
+
if (S_ISREG(inode->i_mode)) {
struct ll_sb_info *sbi = ll_i2sbi(inode);
inode->i_op = &ll_file_inode_operations;
init_special_inode(inode, inode->i_mode,
kdev_t_to_nr(inode->i_rdev));
- /* initializing backing dev info. */
- inode->i_mapping->backing_dev_info = &ll_backing_dev_info;
-
EXIT;
}
}
}
oinfo.oi_oa->o_id = lsm->lsm_object_id;
- oinfo.oi_oa->o_gr = lsm->lsm_object_gr;
+ oinfo.oi_oa->o_seq = lsm->lsm_object_seq;
oinfo.oi_oa->o_flags = flags;
oinfo.oi_oa->o_valid = OBD_MD_FLID | OBD_MD_FLFLAGS |
OBD_MD_FLGROUP;
oinfo.oi_capa = ll_mdscapa_get(inode);
-
obdo_from_inode(oinfo.oi_oa, inode,
- OBD_MD_FLFID | OBD_MD_FLGENER);
+ &ll_i2info(inode)->lli_fid, 0);
rc = obd_setattr_rqset(sbi->ll_dt_exp, &oinfo, NULL);
capa_put(oinfo.oi_capa);
OBDO_FREE(oinfo.oi_oa);
if (sbi->ll_flags & LL_SBI_USER_XATTR)
seq_puts(seq, ",user_xattr");
- if (sbi->ll_flags & LL_SBI_ACL)
- seq_puts(seq, ",acl");
-
if (sbi->ll_flags & LL_SBI_LAZYSTATFS)
seq_puts(seq, ",lazystatfs");
git://git.whamcloud.com / fs / lustre-release.git / blobdiff