struct journal_callback cb_jcb; /* jbd private data - MUST BE FIRST */
fsfilt_cb_t cb_func; /* MDS/OBD completion function */
struct obd_device *cb_obd; /* MDS/OBD completion device */
- __u64 cb_last_rcvd; /* MDS/OST last committed operation */
+ __u64 cb_last_num; /* MDS/OST last committed operation */
void *cb_data; /* MDS/OST completion function data */
};
#ifndef EXT3_XATTR_INDEX_TRUSTED /* temporary until we hit l28 kernel */
#define EXT3_XATTR_INDEX_TRUSTED 4
#endif
+
#define XATTR_LUSTRE_MDS_LOV_EA "lov"
+#define XATTR_LUSTRE_MDS_MID_EA "mid"
+#define XATTR_LUSTRE_MDS_SID_EA "sid"
/*
* We don't currently need any additional blocks for rmdir and
RETURN(handle);
}
-static int fsfilt_ext3_commit(struct inode *inode, void *h, int force_sync)
+static int fsfilt_ext3_commit(struct super_block *sb, struct inode *inode,
+ void *h, int force_sync)
{
int rc;
handle_t *handle = h;
RETURN(rc);
}
+static int fsfilt_ext3_set_xattr(struct inode * inode, void *handle, char *name,
+ void *buffer, int buffer_size)
+{
+ int rc = 0;
+
+ lock_kernel();
+
+ rc = ext3_xattr_set_handle(handle, inode, EXT3_XATTR_INDEX_TRUSTED,
+ name, buffer, buffer_size, 0);
+ unlock_kernel();
+ if (rc)
+ CERROR("set xattr %s from inode %lu: rc %d\n",
+ name, inode->i_ino, rc);
+ return rc;
+}
+
+static int fsfilt_ext3_get_xattr(struct inode *inode, char *name,
+ void *buffer, int buffer_size)
+{
+ int rc = 0;
+
+ lock_kernel();
+
+ rc = ext3_xattr_get(inode, EXT3_XATTR_INDEX_TRUSTED,
+ name, buffer, buffer_size);
+ unlock_kernel();
+
+ if (buffer == NULL)
+ return (rc == -ENODATA) ? 0 : rc;
+ if (rc < 0) {
+ CDEBUG(D_INFO, "error getting EA %s from inode %lu: rc %d\n",
+ name, inode->i_ino, rc);
+ memset(buffer, 0, buffer_size);
+ return (rc == -ENODATA) ? 0 : rc;
+ }
+
+ return rc;
+}
+
static int fsfilt_ext3_set_md(struct inode *inode, void *handle,
void *lmm, int lmm_size)
{
int rc;
+ LASSERT(down_trylock(&inode->i_sem) != 0);
+
/* keep this when we get rid of OLD_EA (too noisy during conversion) */
if (EXT3_I(inode)->i_file_acl /* || large inode EA flag */)
CWARN("setting EA on %lu/%u again... interesting\n",
- inode->i_ino, inode->i_generation);
+ inode->i_ino, inode->i_generation);
- lock_kernel();
- rc = ext3_xattr_set_handle(handle, inode, EXT3_XATTR_INDEX_TRUSTED,
- XATTR_LUSTRE_MDS_LOV_EA, lmm, lmm_size, 0);
+ rc = fsfilt_ext3_set_xattr(inode, handle, XATTR_LUSTRE_MDS_LOV_EA,
+ lmm, lmm_size);
+ return rc;
+}
- unlock_kernel();
+/* Must be called with i_sem held */
+static int fsfilt_ext3_get_md(struct inode *inode, void *lmm, int lmm_size)
+{
+ int rc;
- if (rc)
- CERROR("error adding MD data to inode %lu: rc = %d\n",
- inode->i_ino, rc);
+ rc = fsfilt_ext3_get_xattr(inode, XATTR_LUSTRE_MDS_LOV_EA,
+ lmm, lmm_size);
+ return rc;
+}
+
+static int fsfilt_ext3_set_mid(struct inode *inode, void *handle,
+ void *mid, int mid_size)
+{
+ int rc;
+
+ rc = fsfilt_ext3_set_xattr(inode, handle, XATTR_LUSTRE_MDS_MID_EA,
+ mid, mid_size);
return rc;
}
/* Must be called with i_sem held */
-static int fsfilt_ext3_get_md(struct inode *inode, void *lmm, int lmm_size)
+static int fsfilt_ext3_get_mid(struct inode *inode, void *mid, int mid_size)
{
int rc;
- LASSERT(down_trylock(&inode->i_sem) != 0);
- lock_kernel();
+ rc = fsfilt_ext3_get_xattr(inode, XATTR_LUSTRE_MDS_MID_EA,
+ mid, mid_size);
+ return rc;
+}
- rc = ext3_xattr_get(inode, EXT3_XATTR_INDEX_TRUSTED,
- XATTR_LUSTRE_MDS_LOV_EA, lmm, lmm_size);
- unlock_kernel();
+static int fsfilt_ext3_set_sid(struct inode *inode, void *handle,
+ void *sid, int sid_size)
+{
+ int rc;
- /* This gives us the MD size */
- if (lmm == NULL)
- return (rc == -ENODATA) ? 0 : rc;
+ rc = fsfilt_ext3_set_xattr(inode, handle, XATTR_LUSTRE_MDS_SID_EA,
+ sid, sid_size);
+ return rc;
+}
- if (rc < 0) {
- CDEBUG(D_INFO, "error getting EA %d/%s from inode %lu: rc %d\n",
- EXT3_XATTR_INDEX_TRUSTED, XATTR_LUSTRE_MDS_LOV_EA,
- inode->i_ino, rc);
- memset(lmm, 0, lmm_size);
- return (rc == -ENODATA) ? 0 : rc;
- }
+/* Must be called with i_sem held */
+static int fsfilt_ext3_get_sid(struct inode *inode, void *sid, int sid_size)
+{
+ int rc;
+ rc = fsfilt_ext3_get_xattr(inode, XATTR_LUSTRE_MDS_SID_EA,
+ sid, sid_size);
return rc;
}
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-static int fsfilt_ext3_send_bio(struct inode *inode, struct bio *bio)
+static int fsfilt_ext3_send_bio(int rw, struct inode *inode, struct bio *bio)
{
- submit_bio(WRITE, bio);
+ submit_bio(rw, bio);
return 0;
}
#else
-static int fsfilt_ext3_send_bio(struct inode *inode, struct kiobuf *bio)
+static int fsfilt_ext3_send_bio(int rw, struct inode *inode, struct kiobuf *bio)
{
int rc, blocks_per_page;
- rc = brw_kiovec(WRITE, 1, &bio, inode->i_dev,
+ rc = brw_kiovec(rw, 1, &bio, inode->i_dev,
bio->blocks, 1 << inode->i_blkbits);
blocks_per_page = PAGE_SIZE >> inode->i_blkbits;
- if (rc != (1 << inode->i_blkbits) * bio->nr_pages *
- blocks_per_page) {
+ if (rc != (1 << inode->i_blkbits) * bio->nr_pages * blocks_per_page) {
CERROR("short write? expected %d, wrote %d\n",
(1 << inode->i_blkbits) * bio->nr_pages *
blocks_per_page, rc);
{
struct fsfilt_cb_data *fcb = (struct fsfilt_cb_data *)jcb;
- fcb->cb_func(fcb->cb_obd, fcb->cb_last_rcvd, fcb->cb_data, error);
+ fcb->cb_func(fcb->cb_obd, fcb->cb_last_num, fcb->cb_data, error);
OBD_SLAB_FREE(fcb, fcb_cache, sizeof *fcb);
atomic_dec(&fcb_cache_count);
static int fsfilt_ext3_add_journal_cb(struct obd_device *obd,
struct super_block *sb,
- __u64 last_rcvd,
- void *handle, fsfilt_cb_t cb_func,
+ __u64 last_num, void *handle,
+ fsfilt_cb_t cb_func,
void *cb_data)
{
struct fsfilt_cb_data *fcb;
atomic_inc(&fcb_cache_count);
fcb->cb_func = cb_func;
fcb->cb_obd = obd;
- fcb->cb_last_rcvd = last_rcvd;
+ fcb->cb_last_num = last_num;
fcb->cb_data = cb_data;
- CDEBUG(D_EXT2, "set callback for last_rcvd: "LPD64"\n", last_rcvd);
+ CDEBUG(D_EXT2, "set callback for last_num: "LPD64"\n", last_num);
+
lock_kernel();
journal_callback_set(handle, fsfilt_ext3_cb_func,
(struct journal_callback *)fcb);
}
#ifdef EXT3_MULTIBLOCK_ALLOCATOR
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+#define ext3_up_truncate_sem(inode) up_write(&EXT3_I(inode)->truncate_sem);
+#define ext3_down_truncate_sem(inode) down_write(&EXT3_I(inode)->truncate_sem);
+#else
+#define ext3_up_truncate_sem(inode) up(&EXT3_I(inode)->truncate_sem);
+#define ext3_down_truncate_sem(inode) down(&EXT3_I(inode)->truncate_sem);
+#endif
+
+#include <linux/lustre_version.h>
+#if EXT3_EXT_MAGIC == 0xf301
+#define ee_start e_start
+#define ee_block e_block
+#define ee_len e_num
+#endif
+#ifndef EXT3_BB_MAX_BLOCKS
+#define ext3_mb_new_blocks(handle, inode, goal, count, aflags, err) \
+ ext3_new_blocks(handle, inode, count, goal, err)
+#endif
+
struct bpointers {
unsigned long *blocks;
int *created;
unsigned long start;
int num;
int init_num;
+ int create;
};
+static int ext3_ext_find_goal(struct inode *inode, struct ext3_ext_path *path,
+ unsigned long block, int *aflags)
+{
+ struct ext3_inode_info *ei = EXT3_I(inode);
+ unsigned long bg_start;
+ unsigned long colour;
+ int depth;
+
+ if (path) {
+ struct ext3_extent *ex;
+ depth = path->p_depth;
+
+ /* try to predict block placement */
+ if ((ex = path[depth].p_ext)) {
+ if (ex->ee_block + ex->ee_len == block)
+ *aflags |= 1;
+ return ex->ee_start + (block - ex->ee_block);
+ }
+
+ /* it looks index is empty
+ * try to find starting from index itself */
+ if (path[depth].p_bh)
+ return path[depth].p_bh->b_blocknr;
+ }
+
+ /* OK. use inode's group */
+ bg_start = (ei->i_block_group * EXT3_BLOCKS_PER_GROUP(inode->i_sb)) +
+ le32_to_cpu(EXT3_SB(inode->i_sb)->s_es->s_first_data_block);
+ colour = (current->pid % 16) *
+ (EXT3_BLOCKS_PER_GROUP(inode->i_sb) / 16);
+ return bg_start + colour + block;
+}
static int ext3_ext_new_extent_cb(struct ext3_extents_tree *tree,
struct ext3_ext_path *path,
unsigned long tgen;
loff_t new_i_size;
handle_t *handle;
- int i;
-
+ int i, aflags = 0;
+
i = EXT_DEPTH(tree);
EXT_ASSERT(i == path->p_depth);
EXT_ASSERT(path[i].p_hdr);
-
+
if (exist) {
err = EXT_CONTINUE;
goto map;
}
-
+
+ if (bp->create == 0) {
+ i = 0;
+ if (newex->ee_block < bp->start)
+ i = bp->start - newex->ee_block;
+ if (i >= newex->ee_len)
+ CERROR("nothing to do?! i = %d, e_num = %u\n",
+ i, newex->ee_len);
+ for (; i < newex->ee_len && bp->num; i++) {
+ *(bp->created) = 0;
+ bp->created++;
+ *(bp->blocks) = 0;
+ bp->blocks++;
+ bp->num--;
+ bp->start++;
+ }
+
+ return EXT_CONTINUE;
+ }
tgen = EXT_GENERATION(tree);
count = ext3_ext_calc_credits_for_insert(tree, path);
- up_write(&EXT3_I(inode)->truncate_sem);
-
- handle = ext3_journal_start(inode, count + EXT3_ALLOC_NEEDED + 1);
+ ext3_up_truncate_sem(inode);
+
+ lock_kernel();
+ handle = journal_start(EXT3_JOURNAL(inode), count + EXT3_ALLOC_NEEDED + 1);
+ unlock_kernel();
if (IS_ERR(handle)) {
- down_write(&EXT3_I(inode)->truncate_sem);
+ ext3_down_truncate_sem(inode);
return PTR_ERR(handle);
}
-
+
if (tgen != EXT_GENERATION(tree)) {
/* the tree has changed. so path can be invalid at moment */
- ext3_journal_stop(handle, inode);
- down_write(&EXT3_I(inode)->truncate_sem);
+ lock_kernel();
+ journal_stop(handle);
+ unlock_kernel();
+ ext3_down_truncate_sem(inode);
return EXT_REPEAT;
}
-
- down_write(&EXT3_I(inode)->truncate_sem);
- goal = ext3_ext_find_goal(inode, path, newex->e_block);
- count = newex->e_num;
- pblock = ext3_new_blocks(handle, inode, &count, goal, &err);
+
+ ext3_down_truncate_sem(inode);
+ count = newex->ee_len;
+ goal = ext3_ext_find_goal(inode, path, newex->ee_block, &aflags);
+ aflags |= 2; /* block have been already reserved */
+ pblock = ext3_mb_new_blocks(handle, inode, goal, &count, aflags, &err);
if (!pblock)
goto out;
- EXT_ASSERT(count <= newex->e_num);
-
+ EXT_ASSERT(count <= newex->ee_len);
+
/* insert new extent */
- newex->e_start = pblock;
- newex->e_num = count;
+ newex->ee_start = pblock;
+ newex->ee_len = count;
err = ext3_ext_insert_extent(handle, tree, path, newex);
if (err)
goto out;
-
+
/* correct on-disk inode size */
- if (newex->e_num > 0) {
- new_i_size = (loff_t) newex->e_block + newex->e_num;
+ if (newex->ee_len > 0) {
+ new_i_size = (loff_t) newex->ee_block + newex->ee_len;
new_i_size = new_i_size << inode->i_blkbits;
if (new_i_size > EXT3_I(inode)->i_disksize) {
EXT3_I(inode)->i_disksize = new_i_size;
err = ext3_mark_inode_dirty(handle, inode);
}
}
-
out:
- ext3_journal_stop(handle, inode);
+ lock_kernel();
+ journal_stop(handle);
+ unlock_kernel();
map:
if (err >= 0) {
/* map blocks */
CERROR("initial space: %lu:%u\n",
bp->start, bp->init_num);
CERROR("current extent: %u/%u/%u %d\n",
- newex->e_block, newex->e_num,
- newex->e_start, exist);
+ newex->ee_block, newex->ee_len,
+ newex->ee_start, exist);
}
i = 0;
- if (newex->e_block < bp->start)
- i = bp->start - newex->e_block;
- if (i >= newex->e_num)
+ if (newex->ee_block < bp->start)
+ i = bp->start - newex->ee_block;
+ if (i >= newex->ee_len)
CERROR("nothing to do?! i = %d, e_num = %u\n",
- i, newex->e_num);
- for (; i < newex->e_num && bp->num; i++) {
+ i, newex->ee_len);
+ for (; i < newex->ee_len && bp->num; i++) {
*(bp->created) = (exist == 0 ? 1 : 0);
bp->created++;
- *(bp->blocks) = newex->e_start + i;
+ *(bp->blocks) = newex->ee_start + i;
bp->blocks++;
bp->num--;
+ bp->start++;
}
}
return err;
}
-
+
int fsfilt_map_nblocks(struct inode *inode, unsigned long block,
unsigned long num, unsigned long *blocks,
int *created, int create)
struct ext3_extents_tree tree;
struct bpointers bp;
int err;
-
+
CDEBUG(D_OTHER, "blocks %lu-%lu requested for inode %u\n",
block, block + num, (unsigned) inode->i_ino);
-
+
ext3_init_tree_desc(&tree, inode);
tree.private = &bp;
bp.blocks = blocks;
bp.created = created;
bp.start = block;
bp.init_num = bp.num = num;
-
- down_write(&EXT3_I(inode)->truncate_sem);
+ bp.create = create;
+
+ ext3_down_truncate_sem(inode);
err = ext3_ext_walk_space(&tree, block, num, ext3_ext_new_extent_cb);
ext3_ext_invalidate_cache(&tree);
- up_write(&EXT3_I(inode)->truncate_sem);
-
+ ext3_up_truncate_sem(inode);
+
return err;
}
loff_t new_size = inode->i_size;
journal_t *journal;
handle_t *handle;
- int err, block_count = 0, blocksize, size, boffs;
+ int err = 0, block_count = 0, blocksize, size, boffs;
/* Determine how many transaction credits are needed */
blocksize = 1 << inode->i_blkbits;
extern int ext3_del_dir_entry(struct dentry *dentry);
static int fsfilt_ext3_add_dir_entry(struct obd_device *obd,
- struct dentry *parent,
- char *name, int namelen,
- unsigned long ino,
- unsigned long generation,
- unsigned mds)
+ struct dentry *parent,
+ char *name, int namelen,
+ unsigned long ino,
+ unsigned long generation,
+ unsigned long mds,
+ unsigned long fid)
{
#ifdef EXT3_FEATURE_INCOMPAT_MDSNUM
struct dentry *dentry;
int err;
+ LASSERT(ino != 0);
+ LASSERT(namelen != 0);
dentry = ll_lookup_one_len(name, parent, namelen);
- if (IS_ERR(dentry))
+ if (IS_ERR(dentry)) {
+ CERROR("can't lookup %*s in %lu/%lu: %d\n", dentry->d_name.len,
+ dentry->d_name.name, dentry->d_inode->i_ino,
+ (unsigned long) dentry->d_inode->i_generation,
+ (int) PTR_ERR(dentry));
RETURN(PTR_ERR(dentry));
- if (dentry->d_inode != NULL) {
+ }
+ if (dentry->d_inode != NULL || dentry->d_flags & DCACHE_CROSS_REF) {
CERROR("dentry %*s(0x%p) found\n", dentry->d_name.len,
dentry->d_name.name, dentry);
l_dput(dentry);
dentry->d_inum = ino;
dentry->d_mdsnum = mds;
dentry->d_generation = generation;
+ dentry->d_fid = fid;
lock_kernel();
err = ext3_add_dir_entry(dentry);
unlock_kernel();
#endif
}
-static int fsfilt_ext3_set_xattr(struct inode * inode, void *handle, char *name,
- void *buffer, int buffer_size)
-{
- int rc = 0;
-
- lock_kernel();
-
- rc = ext3_xattr_set_handle(handle, inode, EXT3_XATTR_INDEX_TRUSTED,
- name, buffer, buffer_size, 0);
- unlock_kernel();
- if (rc)
- CERROR("set xattr %s from inode %lu: rc %d\n",
- name, inode->i_ino, rc);
- return rc;
-}
-
-static int fsfilt_ext3_get_xattr(struct inode *inode, char *name,
- void *buffer, int buffer_size)
-{
- int rc = 0;
-
- lock_kernel();
-
- rc = ext3_xattr_get(inode, EXT3_XATTR_INDEX_TRUSTED,
- name, buffer, buffer_size);
- unlock_kernel();
-
- if (buffer == NULL)
- return (rc == -ENODATA) ? 0 : rc;
- if (rc < 0) {
- CDEBUG(D_INFO, "error getting EA %s from inode %lu: rc %d\n",
- name, inode->i_ino, rc);
- memset(buffer, 0, buffer_size);
- return (rc == -ENODATA) ? 0 : rc;
- }
-
- return rc;
-}
-
/* If fso is NULL, op is FSFILT operation, otherwise op is number of fso
objects. Logs is number of logfiles to update */
static int fsfilt_ext3_get_op_len(int op, struct fsfilt_objinfo *fso, int logs)
#define EXTENTS_EA "write_extents"
#define EXTENTS_EA_SIZE 64
+int ext3_ext_in_ea_alloc_space(struct inode *, int, const char *, unsigned long, unsigned long);
+int ext3_ext_in_ea_remove_space(struct inode *, int, const char *, unsigned long, unsigned long);
+int ext3_ext_in_ea_get_extents(struct inode *, int, const char *, char **, int *);
+int ext3_ext_in_ea_get_extents_num(struct inode *, int, const char *, int *);
+
static int fsfilt_ext3_insert_extents_ea(struct inode *inode,
unsigned long from,
unsigned long num)
}
static struct fsfilt_operations fsfilt_ext3_ops = {
- .fs_type = "ext3",
- .fs_owner = THIS_MODULE,
- .fs_start = fsfilt_ext3_start,
- .fs_brw_start = fsfilt_ext3_brw_start,
- .fs_commit = fsfilt_ext3_commit,
- .fs_commit_async = fsfilt_ext3_commit_async,
- .fs_commit_wait = fsfilt_ext3_commit_wait,
- .fs_setattr = fsfilt_ext3_setattr,
- .fs_iocontrol = fsfilt_ext3_iocontrol,
- .fs_set_md = fsfilt_ext3_set_md,
- .fs_get_md = fsfilt_ext3_get_md,
- .fs_readpage = fsfilt_ext3_readpage,
- .fs_add_journal_cb = fsfilt_ext3_add_journal_cb,
- .fs_statfs = fsfilt_ext3_statfs,
- .fs_sync = fsfilt_ext3_sync,
- .fs_map_inode_pages = fsfilt_ext3_map_inode_pages,
- .fs_prep_san_write = fsfilt_ext3_prep_san_write,
- .fs_write_record = fsfilt_ext3_write_record,
- .fs_read_record = fsfilt_ext3_read_record,
- .fs_setup = fsfilt_ext3_setup,
- .fs_getpage = fsfilt_ext3_getpage,
- .fs_send_bio = fsfilt_ext3_send_bio,
- .fs_set_xattr = fsfilt_ext3_set_xattr,
- .fs_get_xattr = fsfilt_ext3_get_xattr,
- .fs_get_op_len = fsfilt_ext3_get_op_len,
- .fs_add_dir_entry = fsfilt_ext3_add_dir_entry,
- .fs_del_dir_entry = fsfilt_ext3_del_dir_entry,
+ .fs_type = "ext3",
+ .fs_owner = THIS_MODULE,
+ .fs_start = fsfilt_ext3_start,
+ .fs_brw_start = fsfilt_ext3_brw_start,
+ .fs_commit = fsfilt_ext3_commit,
+ .fs_commit_async = fsfilt_ext3_commit_async,
+ .fs_commit_wait = fsfilt_ext3_commit_wait,
+ .fs_setattr = fsfilt_ext3_setattr,
+ .fs_iocontrol = fsfilt_ext3_iocontrol,
+ .fs_set_md = fsfilt_ext3_set_md,
+ .fs_get_md = fsfilt_ext3_get_md,
+ .fs_set_mid = fsfilt_ext3_set_mid,
+ .fs_get_mid = fsfilt_ext3_get_mid,
+ .fs_set_sid = fsfilt_ext3_set_sid,
+ .fs_get_sid = fsfilt_ext3_get_sid,
+ .fs_readpage = fsfilt_ext3_readpage,
+ .fs_add_journal_cb = fsfilt_ext3_add_journal_cb,
+ .fs_statfs = fsfilt_ext3_statfs,
+ .fs_sync = fsfilt_ext3_sync,
+ .fs_map_inode_pages = fsfilt_ext3_map_inode_pages,
+ .fs_prep_san_write = fsfilt_ext3_prep_san_write,
+ .fs_write_record = fsfilt_ext3_write_record,
+ .fs_read_record = fsfilt_ext3_read_record,
+ .fs_setup = fsfilt_ext3_setup,
+ .fs_getpage = fsfilt_ext3_getpage,
+ .fs_send_bio = fsfilt_ext3_send_bio,
+ .fs_set_xattr = fsfilt_ext3_set_xattr,
+ .fs_get_xattr = fsfilt_ext3_get_xattr,
+ .fs_get_op_len = fsfilt_ext3_get_op_len,
+ .fs_add_dir_entry = fsfilt_ext3_add_dir_entry,
+ .fs_del_dir_entry = fsfilt_ext3_del_dir_entry,
.fs_init_extents_ea = fsfilt_ext3_init_extents_ea,
.fs_insert_extents_ea = fsfilt_ext3_insert_extents_ea,
.fs_remove_extents_ea = fsfilt_ext3_remove_extents_ea,
static void __exit fsfilt_ext3_exit(void)
{
- int rc;
-
fsfilt_unregister_ops(&fsfilt_ext3_ops);
- rc = kmem_cache_destroy(fcb_cache);
-
- if (rc || atomic_read(&fcb_cache_count)) {
- CERROR("can't free fsfilt callback cache: count %d, rc = %d\n",
- atomic_read(&fcb_cache_count), rc);
- }
+ LASSERTF(kmem_cache_destroy(fcb_cache) == 0,
+ "can't free fsfilt callback cache: count %d\n",
+ atomic_read(&fcb_cache_count));
}
module_init(fsfilt_ext3_init);