#define log2(n) ffz(~(n))
#endif
-struct ll_sb_info *lustre_init_sbi(struct super_block *sb)
+struct ll_sb_info *lustre_init_sbi(struct super_block *sb)
{
struct ll_sb_info *sbi = NULL;
class_uuid_t uuid;
RETURN(sbi);
}
-void lustre_free_sbi(struct super_block *sb)
+void lustre_free_sbi(struct super_block *sb)
{
struct ll_sb_info *sbi = ll_s2sbi(sb);
ENTRY;
sb->s_blocksize_bits = log2(osfs.os_bsize);
sb->s_magic = LL_SUPER_MAGIC;
sb->s_maxbytes = PAGE_CACHE_MAXBYTES;
-
- devno = get_uuid2int(sbi2mdc(sbi)->cl_import->imp_target_uuid.uuid,
+
+ devno = get_uuid2int(sbi2mdc(sbi)->cl_import->imp_target_uuid.uuid,
strlen(sbi2mdc(sbi)->cl_import->imp_target_uuid.uuid));
sb->s_dev = devno;
sb->s_op = &lustre_super_operations;
- /* make root inode
+ /* make root inode
* XXX: move this to after cbd setup? */
err = mdc_getattr(sbi->ll_mdc_exp, &rootfid,
OBD_MD_FLNOTOBD|OBD_MD_FLBLOCKS, 0, &request);
err = class_process_config(&lcfg);
if (err < 0)
GOTO(out_detach, err);
-
+
obd = class_name2obd(name);
if (obd == NULL)
GOTO(out_cleanup, err = -EINVAL);
/* Disable initial recovery on this import */
- err = obd_set_info(obd->obd_self_export,
- strlen("initial_recov"), "initial_recov",
+ err = obd_set_info(obd->obd_self_export,
+ strlen("initial_recov"), "initial_recov",
sizeof(allow_recov), &allow_recov);
if (err)
GOTO(out_cleanup, err);
CERROR("cannot connect to %s: rc = %d\n", lmd->lmd_mds, err);
GOTO(out_cleanup, err);
}
-
+
exp = class_conn2export(&mdc_conn);
-
+
ctxt = llog_get_context(exp->exp_obd, LLOG_CONFIG_REPL_CTXT);
rc = class_config_parse_llog(ctxt, profile, cfg);
if (rc) {
out:
if (rc == 0)
rc = err;
-
+
RETURN(rc);
}
}
OBD_ALLOC(sbi->ll_lmd, sizeof(*sbi->ll_lmd));
- if (sbi->ll_lmd == NULL)
+ if (sbi->ll_lmd == NULL)
GOTO(out_free, err = -ENOMEM);
memcpy(sbi->ll_lmd, lmd, sizeof(*lmd));
/* generate a string unique to this super, let's try
the address of the super itself.*/
- len = (sizeof(sb) * 2) + 1;
+ len = (sizeof(sb) * 2) + 1;
OBD_ALLOC(sbi->ll_instance, len);
- if (sbi->ll_instance == NULL)
+ if (sbi->ll_instance == NULL)
GOTO(out_free, err = -ENOMEM);
sprintf(sbi->ll_instance, "%p", sb);
}
if (osc)
OBD_FREE(osc, strlen(osc) + 1);
- OBD_ALLOC(osc, strlen(lprof->lp_osc) +
+ 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) +
+ OBD_ALLOC(mdc, strlen(lprof->lp_mdc) +
strlen(sbi->ll_instance) + 2);
sprintf(mdc, "%s-%s", lprof->lp_mdc, sbi->ll_instance);
}
CERROR("no mdc\n");
GOTO(out_free, err = -EINVAL);
}
-
+
err = lustre_common_fill_super(sb, mdc, osc);
-
+
if (err)
GOTO(out_free, err);
OBD_ALLOC(cln_prof, len);
sprintf(cln_prof, "%s-clean", sbi->ll_lmd->lmd_profile);
- err = lustre_process_log(sbi->ll_lmd, cln_prof, &cfg,
+ err = lustre_process_log(sbi->ll_lmd, cln_prof, &cfg,
0);
- if (err < 0)
+ if (err < 0)
CERROR("Unable to process log: %s\n", cln_prof);
OBD_FREE(cln_prof, len);
OBD_FREE(sbi->ll_instance, strlen(sbi->ll_instance)+ 1);
goto out_dev;
} /* lustre_fill_super */
-static void lustre_manual_cleanup(struct ll_sb_info *sbi)
+static void lustre_manual_cleanup(struct ll_sb_info *sbi)
{
struct lustre_cfg lcfg;
struct obd_device *obd;
- int next = 0;
+ int next = 0;
while ((obd = class_devices_in_group(&sbi->ll_sb_uuid, &next)) != NULL)
{
}
}
- if (sbi->ll_lmd != NULL)
+ if (sbi->ll_lmd != NULL)
class_del_profile(sbi->ll_lmd->lmd_profile);
}
if (obd)
force_umount = obd->obd_no_recov;
obd = NULL;
-
+
lustre_common_put_super(sb);
if (sbi->ll_lmd != NULL) {
/* from sys_utime() */
if (!(ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET))) {
if (current->fsuid != inode->i_uid &&
- (rc = ll_permission(inode, MAY_WRITE, NULL)) != 0)
+ (rc=ll_permission(inode,MAY_WRITE,NULL))!=0)
RETURN(rc);
} else {
/* from inode_change_ok() */
* If we don't we can race with other i_size updaters on our node, like
* ll_file_read. We can also race with i_size propogation to other
* nodes through dirtying and writeback of final cached pages. This
- * last one is especially bad for racing o_append users on other
+ * last one is especially bad for racing o_append users on other
* nodes. */
if (ia_valid & ATTR_SIZE) {
struct ldlm_extent extent = { .start = attr->ia_size,
RETURN(rc);
}
+ osfs->os_type = sb->s_magic;
+
CDEBUG(D_SUPER, "MDC blocks "LPU64"/"LPU64" objects "LPU64"/"LPU64"\n",
osfs->os_bavail, osfs->os_blocks, osfs->os_ffree,osfs->os_files);
return lnb->rc;
}
+/* Grab the dirty and seen grant announcements from the incoming obdo.
+ * We will later calculate the clients new grant and return it.
+ * Caller must hold osfs lock */
+static void filter_grant_incoming(struct obd_export *exp, struct obdo *oa)
+{
+ struct filter_export_data *fed;
+ struct obd_device *obd = exp->exp_obd;
+ ENTRY;
+
+ if ((oa->o_valid & (OBD_MD_FLBLOCKS|OBD_MD_FLGRANT)) !=
+ (OBD_MD_FLBLOCKS|OBD_MD_FLGRANT)) {
+ oa->o_valid &= ~OBD_MD_FLGRANT;
+ EXIT;
+ return;
+ }
+
+ fed = &exp->exp_filter_data;
+
+ /* Add some margin, since there is a small race if other RPCs arrive
+ * out-or-order and have already consumed some grant. We want to
+ * leave this here in case there is a large error in accounting. */
+ CDEBUG(oa->o_grant > fed->fed_grant + FILTER_GRANT_CHUNK ?
+ D_ERROR : D_CACHE,
+ "%s: cli %s reports granted: "LPU64" dropped: %u, local: %lu\n",
+ obd->obd_name, exp->exp_client_uuid.uuid, oa->o_grant,
+ oa->o_dropped, fed->fed_grant);
+
+ /* Update our accounting now so that statfs takes it into account.
+ * Note that fed_dirty is only approximate and can become incorrect
+ * if RPCs arrive out-of-order. No important calculations depend
+ * on fed_dirty however. */
+ obd->u.filter.fo_tot_dirty += oa->o_dirty - fed->fed_dirty;
+ if (fed->fed_grant < oa->o_dropped) {
+ CERROR("%s: cli %s reports %u dropped > fed_grant %lu\n",
+ obd->obd_name, exp->exp_client_uuid.uuid,
+ oa->o_dropped, fed->fed_grant);
+ oa->o_dropped = 0;
+ }
+ if (obd->u.filter.fo_tot_granted < oa->o_dropped) {
+ CERROR("%s: cli %s reports %u dropped > tot_granted "LPU64"\n",
+ obd->obd_name, exp->exp_client_uuid.uuid,
+ oa->o_dropped, obd->u.filter.fo_tot_granted);
+ oa->o_dropped = 0;
+ }
+ obd->u.filter.fo_tot_granted -= oa->o_dropped;
+ fed->fed_grant -= oa->o_dropped;
+ fed->fed_dirty = oa->o_dirty;
+ EXIT;
+}
+
+#define GRANT_FOR_LLOG 16
+
+/* Figure out how much space is available between what we've granted
+ * and what remains in the filesystem. Compensate for ext3 indirect
+ * block overhead when computing how much free space is left ungranted.
+ *
+ * Caller must hold obd_osfs_lock. */
+obd_size filter_grant_space_left(struct obd_export *exp)
+{
+ struct obd_device *obd = exp->exp_obd;
+ int blockbits = obd->u.filter.fo_sb->s_blocksize_bits;
+ obd_size tot_granted = obd->u.filter.fo_tot_granted, avail, left = 0;
+ int rc, statfs_done = 0;
+
+ if (time_before(obd->obd_osfs_age, jiffies - HZ)) {
+restat:
+ rc = fsfilt_statfs(obd, obd->u.filter.fo_sb, jiffies + 1);
+ if (rc) /* N.B. statfs can't really fail */
+ RETURN(0);
+ statfs_done = 1;
+ }
+
+ avail = obd->obd_osfs.os_bavail;
+ left = avail - (avail >> (blockbits - 3)); /* (d)indirect */
+ if (left > GRANT_FOR_LLOG) {
+ left = (left - GRANT_FOR_LLOG) << blockbits;
+ } else {
+ left = 0 /* << blockbits */;
+ }
+
+ if (!statfs_done && left < 32 * FILTER_GRANT_CHUNK + tot_granted) {
+ CDEBUG(D_CACHE, "fs has no space left and statfs too old\n");
+ goto restat;
+ }
+
+ if (left >= tot_granted) {
+ left -= tot_granted;
+ } else {
+ static unsigned long next;
+ if (left < tot_granted - obd->u.filter.fo_tot_pending &&
+ time_after(jiffies, next)) {
+ spin_unlock(&obd->obd_osfs_lock);
+ CERROR("%s: cli %s granted "LPU64" more than available "
+ LPU64" and pending "LPU64"\n", obd->obd_name,
+ exp->exp_client_uuid.uuid, tot_granted, left,
+ obd->u.filter.fo_tot_pending);
+ if (next == 0)
+ portals_debug_dumplog();
+ next = jiffies + 20 * HZ;
+ spin_lock(&obd->obd_osfs_lock);
+ }
+ left = 0;
+ }
+
+ CDEBUG(D_CACHE, "%s: cli %s free: "LPU64" avail: "LPU64" grant "LPU64
+ " left: "LPU64" pending: "LPU64"\n", obd->obd_name,
+ exp->exp_client_uuid.uuid, obd->obd_osfs.os_bfree << blockbits,
+ avail << blockbits, tot_granted, left,
+ obd->u.filter.fo_tot_pending);
+
+ return left;
+}
+
+/* Calculate how much grant space to allocate to this client, based on how
+ * much space is currently free and how much of that is already granted.
+ *
+ * Caller must hold obd_osfs_lock. */
+long filter_grant(struct obd_export *exp, obd_size current_grant,
+ obd_size want, obd_size fs_space_left)
+{
+ struct obd_device *obd = exp->exp_obd;
+ struct filter_export_data *fed = &exp->exp_filter_data;
+ int blockbits = obd->u.filter.fo_sb->s_blocksize_bits;
+ __u64 grant = 0;
+
+ /* Grant some fraction of the client's requested grant space so that
+ * they are not always waiting for write credits (not all of it to
+ * avoid overgranting in face of multiple RPCs in flight). This
+ * essentially will be able to control the OSC_MAX_RIF for a client.
+ *
+ * If we do have a large disparity and multiple RPCs in flight we
+ * might grant "too much" but that's OK because it means we are
+ * dirtying a lot on the client and will likely use it up quickly. */
+ if (current_grant < want) {
+ grant = min((want >> blockbits) / 2,
+ (fs_space_left >> blockbits) / 8);
+ grant <<= blockbits;
+
+ if (grant) {
+ if (grant > FILTER_GRANT_CHUNK)
+ grant = FILTER_GRANT_CHUNK;
+
+ obd->u.filter.fo_tot_granted += grant;
+ fed->fed_grant += grant;
+ }
+ }
+
+ CDEBUG(D_CACHE,"%s: cli %s wants: "LPU64" granting: "LPU64"\n",
+ obd->obd_name, exp->exp_client_uuid.uuid, want, grant);
+ CDEBUG(D_CACHE,
+ "%s: cli %s tot cached:"LPU64" granted:"LPU64
+ " num_exports: %d\n", obd->obd_name, exp->exp_client_uuid.uuid,
+ obd->u.filter.fo_tot_dirty,
+ obd->u.filter.fo_tot_granted, obd->obd_num_exports);
+
+ return grant;
+}
+
static int filter_preprw_read(int cmd, struct obd_export *exp, struct obdo *oa,
int objcount, struct obd_ioobj *obj,
int niocount, struct niobuf_remote *nb,
struct niobuf_local *res,
struct obd_trans_info *oti)
{
+ struct obd_device *obd = exp->exp_obd;
struct obd_run_ctxt saved;
struct obd_ioobj *o;
struct niobuf_remote *rnb;
/* We are currently not supporting multi-obj BRW_READ RPCS at all.
* When we do this function's dentry cleanup will need to be fixed */
LASSERT(objcount == 1);
+ LASSERT(obj->ioo_bufcnt > 0);
+
+ if (oa && oa->o_valid & OBD_MD_FLGRANT) {
+ spin_lock(&obd->obd_osfs_lock);
+ filter_grant_incoming(exp, oa);
+
+#if 0
+ /* Reads do not increase grants */
+ oa->o_grant = filter_grant(exp, oa->o_grant, oa->o_undirty,
+ filter_grant_space_left(exp));
+#else
+ oa->o_grant = 0;
+#endif
+ spin_unlock(&obd->obd_osfs_lock);
+ }
OBD_ALLOC(fso, objcount * sizeof(*fso));
if (fso == NULL)
for (i = 0, o = obj; i < objcount; i++, o++) {
LASSERT(o->ioo_bufcnt);
- dentry = filter_oa2dentry(exp->exp_obd, oa);
+ dentry = filter_oa2dentry(obd, oa);
if (IS_ERR(dentry))
GOTO(cleanup, rc = PTR_ERR(dentry));
lnb->offset = rnb->offset;
lnb->len = rnb->len;
lnb->flags = rnb->flags;
- lnb->start = jiffies;
if (inode->i_size <= rnb->offset) {
/* If there's no more data, abort early.
CDEBUG(D_INFO, "start_page_read: %lu jiffies\n",
(jiffies - now));
- lprocfs_counter_add(exp->exp_obd->obd_stats, LPROC_FILTER_READ_BYTES,
- tot_bytes);
+ lprocfs_counter_add(obd->obd_stats, LPROC_FILTER_READ_BYTES, tot_bytes);
while (lnb-- > res) {
rc = filter_finish_page_read(lnb);
if (rc) {
return rc;
}
+/* When clients have dirtied as much space as they've been granted they
+ * fall through to sync writes. These sync writes haven't been expressed
+ * in grants and need to error with ENOSPC when there isn't room in the
+ * filesystem for them after grants are taken into account. However,
+ * writeback of the dirty data that was already granted space can write
+ * right on through.
+ *
+ * Caller must hold obd_osfs_lock. */
+static int filter_grant_check(struct obd_export *exp, int objcount,
+ struct fsfilt_objinfo *fso, int niocount,
+ struct niobuf_remote *rnb,
+ struct niobuf_local *lnb, obd_size *left,
+ struct inode *inode)
+{
+ struct filter_export_data *fed = &exp->exp_filter_data;
+ int blocksize = exp->exp_obd->u.filter.fo_sb->s_blocksize;
+ unsigned long used = 0, ungranted = 0, using;
+ int i, rc = -ENOSPC, obj, n = 0, mask = D_CACHE;
+
+ for (obj = 0; obj < objcount; obj++) {
+ for (i = 0; i < fso[obj].fso_bufcnt; i++, n++) {
+ int tmp, bytes;
+
+ /* FIXME: this is calculated with PAGE_SIZE on client */
+ bytes = rnb[n].len;
+ bytes += rnb[n].offset & (blocksize - 1);
+ tmp = (rnb[n].offset + rnb[n].len) & (blocksize - 1);
+ if (tmp)
+ bytes += blocksize - tmp;
+
+ if (rnb[n].flags & OBD_BRW_FROM_GRANT) {
+ if (fed->fed_grant < used + bytes) {
+ CDEBUG(D_CACHE,
+ "%s: cli %s claims %ld+%d GRANT,"
+ " no such grant %lu, idx %d\n",
+ exp->exp_obd->obd_name,
+ exp->exp_client_uuid.uuid,
+ used, bytes, fed->fed_grant, n);
+ mask = D_ERROR;
+ } else {
+ used += bytes;
+ rnb[n].flags |= OBD_BRW_GRANTED;
+ lnb[n].lnb_grant_used = bytes;
+ CDEBUG(0, "idx %d used=%lu\n", n, used);
+ rc = 0;
+ continue;
+ }
+ }
+ if (*left > ungranted) {
+ /* if enough space, pretend it was granted */
+ ungranted += bytes;
+ rnb[n].flags |= OBD_BRW_GRANTED;
+ CDEBUG(0, "idx %d ungranted=%lu\n",n,ungranted);
+ rc = 0;
+ continue;
+ }
+
+ /* We can't check for already-mapped blocks here, as
+ * it requires dropping the osfs lock to do the bmap.
+ * Instead, we return ENOSPC and in that case we need
+ * to go through and verify if all of the blocks not
+ * marked BRW_GRANTED are already mapped and we can
+ * ignore this error. */
+ lnb[n].rc = -ENOSPC;
+ rnb[n].flags &= OBD_BRW_GRANTED;
+ CDEBUG(D_CACHE, "%s: cli %s idx %d no space for %d\n",
+ exp->exp_obd->obd_name,
+ exp->exp_client_uuid.uuid, n, bytes);
+ }
+ }
+
+ /* Now substract what client have used already. We don't subtract
+ * this from the tot_granted yet, so that other client's can't grab
+ * that space before we have actually allocated our blocks. That
+ * happens in filter_grant_commit() after the writes are done. */
+ *left -= ungranted;
+ fed->fed_grant -= used;
+ fed->fed_pending += used;
+ exp->exp_obd->u.filter.fo_tot_pending += used;
+
+ CDEBUG(mask,
+ "%s: cli %s used: %lu ungranted: %lu grant: %lu dirty: %lu\n",
+ exp->exp_obd->obd_name, exp->exp_client_uuid.uuid, used,
+ ungranted, fed->fed_grant, fed->fed_dirty);
+
+ /* Rough calc in case we don't refresh cached statfs data */
+ using = (used + ungranted + 1 ) >>
+ exp->exp_obd->u.filter.fo_sb->s_blocksize_bits;
+ if (exp->exp_obd->obd_osfs.os_bavail > using)
+ exp->exp_obd->obd_osfs.os_bavail -= using;
+ else
+ exp->exp_obd->obd_osfs.os_bavail = 0;
+
+ if (fed->fed_dirty < used) {
+ CERROR("%s: cli %s claims used %lu > fed_dirty %lu\n",
+ exp->exp_obd->obd_name, exp->exp_client_uuid.uuid,
+ used, fed->fed_dirty);
+ used = fed->fed_dirty;
+ }
+ exp->exp_obd->u.filter.fo_tot_dirty -= used;
+ fed->fed_dirty -= used;
+
+ return rc;
+}
+
static int filter_start_page_write(struct inode *inode,
struct niobuf_local *lnb)
{
{
struct obd_run_ctxt saved;
struct niobuf_remote *rnb;
- struct niobuf_local *lnb = NULL;
+ struct niobuf_local *lnb;
struct fsfilt_objinfo fso;
struct dentry *dentry;
- int rc = 0, i, tot_bytes = 0;
+ obd_size left;
unsigned long now = jiffies;
+ int rc = 0, i, tot_bytes = 0, cleanup_phase = 1;
ENTRY;
LASSERT(objcount == 1);
LASSERT(obj->ioo_bufcnt > 0);
CDEBUG(D_INFO, "preprw_write setup: %lu jiffies\n",
(jiffies - now));
+ spin_lock(&exp->exp_obd->obd_osfs_lock);
+ if (oa)
+ filter_grant_incoming(exp, oa);
+ cleanup_phase = 0;
+
+ left = filter_grant_space_left(exp);
+
+ rc = filter_grant_check(exp, objcount, &fso, niocount, nb, res,
+ &left, dentry->d_inode);
+ if (oa && oa->o_valid & OBD_MD_FLGRANT)
+ oa->o_grant = filter_grant(exp,oa->o_grant,oa->o_undirty,left);
+
+ spin_unlock(&exp->exp_obd->obd_osfs_lock);
+
+ if (rc) {
+ f_dput(dentry);
+ GOTO(cleanup, rc);
+ }
+
for (i = 0, rnb = nb, lnb = res; i < obj->ioo_bufcnt;
i++, lnb++, rnb++) {
+ /* We still set up for ungranted pages so that granted pages
+ * can be written to disk as they were promised, and portals
+ * needs to keep the pages all aligned properly. */
lnb->dentry = dentry;
lnb->offset = rnb->offset;
lnb->len = rnb->len;
lnb->flags = rnb->flags;
- lnb->start = jiffies;
rc = filter_start_page_write(dentry->d_inode, lnb);
if (rc) {
- CDEBUG(rc == -ENOSPC ? D_INODE : D_ERROR, "page err %u@"
- LPU64" %u/%u %p: rc %d\n", lnb->len, lnb->offset,
+ CDEBUG(D_ERROR, "page err %u@"LPU64" %u/%u %p: rc %d\n",
+ lnb->len, lnb->offset,
i, obj->ioo_bufcnt, dentry, rc);
while (lnb-- > res)
__free_pages(lnb->page, 0);
f_dput(dentry);
GOTO(cleanup, rc);
}
- tot_bytes += lnb->len;
+ if (lnb->rc == 0)
+ tot_bytes += lnb->len;
}
if (time_after(jiffies, now + 15 * HZ))
tot_bytes);
EXIT;
cleanup:
+ switch(cleanup_phase) {
+ case 1:
+ spin_lock(&exp->exp_obd->obd_osfs_lock);
+ if (oa)
+ filter_grant_incoming(exp, oa);
+ spin_unlock(&exp->exp_obd->obd_osfs_lock);
+ default: ;
+ }
pop_ctxt(&saved, &exp->exp_obd->obd_ctxt, NULL);
return rc;
}
} while (rc != 0);
}
-/* XXX needs to trickle its oa down */
+void filter_grant_commit(struct obd_export *exp, int niocount,
+ struct niobuf_local *res)
+{
+ struct filter_obd *filter = &exp->exp_obd->u.filter;
+ struct niobuf_local *lnb = res;
+ unsigned long pending = 0;
+ int i;
+
+ spin_lock(&exp->exp_obd->obd_osfs_lock);
+ for (i = 0, lnb = res; i < niocount; i++, lnb++)
+ pending += lnb->lnb_grant_used;
+
+ LASSERTF(exp->exp_filter_data.fed_pending >= pending,
+ "%s: cli %s/%p fed_pending: %lu grant_used: %lu\n",
+ exp->exp_obd->obd_name, exp->exp_client_uuid.uuid, exp,
+ exp->exp_filter_data.fed_pending, pending);
+ exp->exp_filter_data.fed_pending -= pending;
+ LASSERTF(filter->fo_tot_granted >= pending,
+ "%s: cli %s/%p tot_granted: "LPU64" grant_used: %lu\n",
+ exp->exp_obd->obd_name, exp->exp_client_uuid.uuid, exp,
+ exp->exp_obd->u.filter.fo_tot_granted, pending);
+ filter->fo_tot_granted -= pending;
+ LASSERTF(filter->fo_tot_pending >= pending,
+ "%s: cli %s/%p tot_pending: "LPU64" grant_used: %lu\n",
+ exp->exp_obd->obd_name, exp->exp_client_uuid.uuid, exp,
+ filter->fo_tot_pending, pending);
+ filter->fo_tot_pending -= pending;
+
+ spin_unlock(&exp->exp_obd->obd_osfs_lock);
+}
+
int filter_commitrw(int cmd, struct obd_export *exp, struct obdo *oa,
int objcount, struct obd_ioobj *obj, int niocount,
struct niobuf_local *res, struct obd_trans_info *oti)
git://git.whamcloud.com / fs / lustre-release.git / commitdiff