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-rw-r--r--fs/btrfs/extent-tree.c113
-rw-r--r--fs/btrfs/extent_map.c2
-rw-r--r--fs/btrfs/free-space-cache.c2
-rw-r--r--fs/btrfs/inode.c95
-rw-r--r--fs/btrfs/root-tree.c2
-rw-r--r--fs/btrfs/transaction.c19
-rw-r--r--fs/cifs/cifsproto.h1
-rw-r--r--fs/cifs/connect.c8
-rw-r--r--fs/cifs/inode.c7
-rw-r--r--fs/cifs/misc.c14
-rw-r--r--fs/cifs/readdir.c7
-rw-r--r--fs/compat_ioctl.c4
-rw-r--r--fs/exec.c8
-rw-r--r--fs/ext3/fsync.c36
-rw-r--r--fs/ext3/inode.c36
-rw-r--r--fs/ext3/super.c2
-rw-r--r--fs/ext4/ext4.h1
-rw-r--r--fs/ext4/extents.c36
-rw-r--r--fs/ext4/inode.c24
-rw-r--r--fs/ext4/namei.c16
-rw-r--r--fs/ioctl.c2
-rw-r--r--fs/jbd/journal.c3
-rw-r--r--fs/jbd2/journal.c2
-rw-r--r--fs/nilfs2/ioctl.c33
-rw-r--r--fs/proc/base.c3
25 files changed, 329 insertions, 147 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index e238a0c..94627c4 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2977,10 +2977,10 @@ static int maybe_allocate_chunk(struct btrfs_root *root,
free_space = btrfs_super_total_bytes(disk_super);
/*
- * we allow the metadata to grow to a max of either 5gb or 5% of the
+ * we allow the metadata to grow to a max of either 10gb or 5% of the
* space in the volume.
*/
- min_metadata = min((u64)5 * 1024 * 1024 * 1024,
+ min_metadata = min((u64)10 * 1024 * 1024 * 1024,
div64_u64(free_space * 5, 100));
if (info->total_bytes >= min_metadata) {
spin_unlock(&info->lock);
@@ -4102,7 +4102,7 @@ wait_block_group_cache_done(struct btrfs_block_group_cache *cache)
}
enum btrfs_loop_type {
- LOOP_CACHED_ONLY = 0,
+ LOOP_FIND_IDEAL = 0,
LOOP_CACHING_NOWAIT = 1,
LOOP_CACHING_WAIT = 2,
LOOP_ALLOC_CHUNK = 3,
@@ -4131,12 +4131,15 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans,
struct btrfs_block_group_cache *block_group = NULL;
int empty_cluster = 2 * 1024 * 1024;
int allowed_chunk_alloc = 0;
+ int done_chunk_alloc = 0;
struct btrfs_space_info *space_info;
int last_ptr_loop = 0;
int loop = 0;
bool found_uncached_bg = false;
bool failed_cluster_refill = false;
bool failed_alloc = false;
+ u64 ideal_cache_percent = 0;
+ u64 ideal_cache_offset = 0;
WARN_ON(num_bytes < root->sectorsize);
btrfs_set_key_type(ins, BTRFS_EXTENT_ITEM_KEY);
@@ -4172,14 +4175,19 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans,
empty_cluster = 0;
if (search_start == hint_byte) {
+ideal_cache:
block_group = btrfs_lookup_block_group(root->fs_info,
search_start);
/*
* we don't want to use the block group if it doesn't match our
* allocation bits, or if its not cached.
+ *
+ * However if we are re-searching with an ideal block group
+ * picked out then we don't care that the block group is cached.
*/
if (block_group && block_group_bits(block_group, data) &&
- block_group_cache_done(block_group)) {
+ (block_group->cached != BTRFS_CACHE_NO ||
+ search_start == ideal_cache_offset)) {
down_read(&space_info->groups_sem);
if (list_empty(&block_group->list) ||
block_group->ro) {
@@ -4191,13 +4199,13 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans,
*/
btrfs_put_block_group(block_group);
up_read(&space_info->groups_sem);
- } else
+ } else {
goto have_block_group;
+ }
} else if (block_group) {
btrfs_put_block_group(block_group);
}
}
-
search:
down_read(&space_info->groups_sem);
list_for_each_entry(block_group, &space_info->block_groups, list) {
@@ -4209,28 +4217,45 @@ search:
have_block_group:
if (unlikely(block_group->cached == BTRFS_CACHE_NO)) {
+ u64 free_percent;
+
+ free_percent = btrfs_block_group_used(&block_group->item);
+ free_percent *= 100;
+ free_percent = div64_u64(free_percent,
+ block_group->key.offset);
+ free_percent = 100 - free_percent;
+ if (free_percent > ideal_cache_percent &&
+ likely(!block_group->ro)) {
+ ideal_cache_offset = block_group->key.objectid;
+ ideal_cache_percent = free_percent;
+ }
+
/*
- * we want to start caching kthreads, but not too many
- * right off the bat so we don't overwhelm the system,
- * so only start them if there are less than 2 and we're
- * in the initial allocation phase.
+ * We only want to start kthread caching if we are at
+ * the point where we will wait for caching to make
+ * progress, or if our ideal search is over and we've
+ * found somebody to start caching.
*/
if (loop > LOOP_CACHING_NOWAIT ||
- atomic_read(&space_info->caching_threads) < 2) {
+ (loop > LOOP_FIND_IDEAL &&
+ atomic_read(&space_info->caching_threads) < 2)) {
ret = cache_block_group(block_group);
BUG_ON(ret);
}
- }
-
- cached = block_group_cache_done(block_group);
- if (unlikely(!cached)) {
found_uncached_bg = true;
- /* if we only want cached bgs, loop */
- if (loop == LOOP_CACHED_ONLY)
+ /*
+ * If loop is set for cached only, try the next block
+ * group.
+ */
+ if (loop == LOOP_FIND_IDEAL)
goto loop;
}
+ cached = block_group_cache_done(block_group);
+ if (unlikely(!cached))
+ found_uncached_bg = true;
+
if (unlikely(block_group->ro))
goto loop;
@@ -4410,9 +4435,11 @@ loop:
}
up_read(&space_info->groups_sem);
- /* LOOP_CACHED_ONLY, only search fully cached block groups
- * LOOP_CACHING_NOWAIT, search partially cached block groups, but
- * dont wait foR them to finish caching
+ /* LOOP_FIND_IDEAL, only search caching/cached bg's, and don't wait for
+ * for them to make caching progress. Also
+ * determine the best possible bg to cache
+ * LOOP_CACHING_NOWAIT, search partially cached block groups, kicking
+ * caching kthreads as we move along
* LOOP_CACHING_WAIT, search everything, and wait if our bg is caching
* LOOP_ALLOC_CHUNK, force a chunk allocation and try again
* LOOP_NO_EMPTY_SIZE, set empty_size and empty_cluster to 0 and try
@@ -4421,12 +4448,47 @@ loop:
if (!ins->objectid && loop < LOOP_NO_EMPTY_SIZE &&
(found_uncached_bg || empty_size || empty_cluster ||
allowed_chunk_alloc)) {
- if (found_uncached_bg) {
+ if (loop == LOOP_FIND_IDEAL && found_uncached_bg) {
found_uncached_bg = false;
- if (loop < LOOP_CACHING_WAIT) {
- loop++;
+ loop++;
+ if (!ideal_cache_percent &&
+ atomic_read(&space_info->caching_threads))
goto search;
- }
+
+ /*
+ * 1 of the following 2 things have happened so far
+ *
+ * 1) We found an ideal block group for caching that
+ * is mostly full and will cache quickly, so we might
+ * as well wait for it.
+ *
+ * 2) We searched for cached only and we didn't find
+ * anything, and we didn't start any caching kthreads
+ * either, so chances are we will loop through and
+ * start a couple caching kthreads, and then come back
+ * around and just wait for them. This will be slower
+ * because we will have 2 caching kthreads reading at
+ * the same time when we could have just started one
+ * and waited for it to get far enough to give us an
+ * allocation, so go ahead and go to the wait caching
+ * loop.
+ */
+ loop = LOOP_CACHING_WAIT;
+ search_start = ideal_cache_offset;
+ ideal_cache_percent = 0;
+ goto ideal_cache;
+ } else if (loop == LOOP_FIND_IDEAL) {
+ /*
+ * Didn't find a uncached bg, wait on anything we find
+ * next.
+ */
+ loop = LOOP_CACHING_WAIT;
+ goto search;
+ }
+
+ if (loop < LOOP_CACHING_WAIT) {
+ loop++;
+ goto search;
}
if (loop == LOOP_ALLOC_CHUNK) {
@@ -4438,7 +4500,8 @@ loop:
ret = do_chunk_alloc(trans, root, num_bytes +
2 * 1024 * 1024, data, 1);
allowed_chunk_alloc = 0;
- } else {
+ done_chunk_alloc = 1;
+ } else if (!done_chunk_alloc) {
space_info->force_alloc = 1;
}
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 2c726b7..ccbdcb5 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -208,7 +208,7 @@ int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len)
write_lock(&tree->lock);
em = lookup_extent_mapping(tree, start, len);
- WARN_ON(em->start != start || !em);
+ WARN_ON(!em || em->start != start);
if (!em)
goto out;
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 5c2caad..cb2849f 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1296,7 +1296,7 @@ again:
window_start = entry->offset;
window_free = entry->bytes;
last = entry;
- max_extent = 0;
+ max_extent = entry->bytes;
} else {
last = next;
window_free += next->bytes;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index dae12dc..b3ad168 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -538,7 +538,7 @@ static noinline int submit_compressed_extents(struct inode *inode,
struct btrfs_root *root = BTRFS_I(inode)->root;
struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
struct extent_io_tree *io_tree;
- int ret;
+ int ret = 0;
if (list_empty(&async_cow->extents))
return 0;
@@ -552,6 +552,7 @@ static noinline int submit_compressed_extents(struct inode *inode,
io_tree = &BTRFS_I(inode)->io_tree;
+retry:
/* did the compression code fall back to uncompressed IO? */
if (!async_extent->pages) {
int page_started = 0;
@@ -562,11 +563,11 @@ static noinline int submit_compressed_extents(struct inode *inode,
async_extent->ram_size - 1, GFP_NOFS);
/* allocate blocks */
- cow_file_range(inode, async_cow->locked_page,
- async_extent->start,
- async_extent->start +
- async_extent->ram_size - 1,
- &page_started, &nr_written, 0);
+ ret = cow_file_range(inode, async_cow->locked_page,
+ async_extent->start,
+ async_extent->start +
+ async_extent->ram_size - 1,
+ &page_started, &nr_written, 0);
/*
* if page_started, cow_file_range inserted an
@@ -574,7 +575,7 @@ static noinline int submit_compressed_extents(struct inode *inode,
* and IO for us. Otherwise, we need to submit
* all those pages down to the drive.
*/
- if (!page_started)
+ if (!page_started && !ret)
extent_write_locked_range(io_tree,
inode, async_extent->start,
async_extent->start +
@@ -602,7 +603,21 @@ static noinline int submit_compressed_extents(struct inode *inode,
async_extent->compressed_size,
0, alloc_hint,
(u64)-1, &ins, 1);
- BUG_ON(ret);
+ if (ret) {
+ int i;
+ for (i = 0; i < async_extent->nr_pages; i++) {
+ WARN_ON(async_extent->pages[i]->mapping);
+ page_cache_release(async_extent->pages[i]);
+ }
+ kfree(async_extent->pages);
+ async_extent->nr_pages = 0;
+ async_extent->pages = NULL;
+ unlock_extent(io_tree, async_extent->start,
+ async_extent->start +
+ async_extent->ram_size - 1, GFP_NOFS);
+ goto retry;
+ }
+
em = alloc_extent_map(GFP_NOFS);
em->start = async_extent->start;
em->len = async_extent->ram_size;
@@ -743,8 +758,22 @@ static noinline int cow_file_range(struct inode *inode,
em = search_extent_mapping(&BTRFS_I(inode)->extent_tree,
start, num_bytes);
if (em) {
- alloc_hint = em->block_start;
- free_extent_map(em);
+ /*
+ * if block start isn't an actual block number then find the
+ * first block in this inode and use that as a hint. If that
+ * block is also bogus then just don't worry about it.
+ */
+ if (em->block_start >= EXTENT_MAP_LAST_BYTE) {
+ free_extent_map(em);
+ em = search_extent_mapping(em_tree, 0, 0);
+ if (em && em->block_start < EXTENT_MAP_LAST_BYTE)
+ alloc_hint = em->block_start;
+ if (em)
+ free_extent_map(em);
+ } else {
+ alloc_hint = em->block_start;
+ free_extent_map(em);
+ }
}
read_unlock(&BTRFS_I(inode)->extent_tree.lock);
btrfs_drop_extent_cache(inode, start, start + num_bytes - 1, 0);
@@ -2474,7 +2503,19 @@ static int btrfs_unlink(struct inode *dir, struct dentry *dentry)
root = BTRFS_I(dir)->root;
+ /*
+ * 5 items for unlink inode
+ * 1 for orphan
+ */
+ ret = btrfs_reserve_metadata_space(root, 6);
+ if (ret)
+ return ret;
+
trans = btrfs_start_transaction(root, 1);
+ if (IS_ERR(trans)) {
+ btrfs_unreserve_metadata_space(root, 6);
+ return PTR_ERR(trans);
+ }
btrfs_set_trans_block_group(trans, dir);
@@ -2489,6 +2530,7 @@ static int btrfs_unlink(struct inode *dir, struct dentry *dentry)
nr = trans->blocks_used;
btrfs_end_transaction_throttle(trans, root);
+ btrfs_unreserve_metadata_space(root, 6);
btrfs_btree_balance_dirty(root, nr);
return ret;
}
@@ -2569,7 +2611,16 @@ static int btrfs_rmdir(struct inode *dir, struct dentry *dentry)
inode->i_ino == BTRFS_FIRST_FREE_OBJECTID)
return -ENOTEMPTY;
+ ret = btrfs_reserve_metadata_space(root, 5);
+ if (ret)
+ return ret;
+
trans = btrfs_start_transaction(root, 1);
+ if (IS_ERR(trans)) {
+ btrfs_unreserve_metadata_space(root, 5);
+ return PTR_ERR(trans);
+ }
+
btrfs_set_trans_block_group(trans, dir);
if (unlikely(inode->i_ino == BTRFS_EMPTY_SUBVOL_DIR_OBJECTID)) {
@@ -2592,6 +2643,7 @@ static int btrfs_rmdir(struct inode *dir, struct dentry *dentry)
out:
nr = trans->blocks_used;
ret = btrfs_end_transaction_throttle(trans, root);
+ btrfs_unreserve_metadata_space(root, 5);
btrfs_btree_balance_dirty(root, nr);
if (ret && !err)
@@ -5128,6 +5180,7 @@ struct inode *btrfs_alloc_inode(struct super_block *sb)
ei->logged_trans = 0;
ei->outstanding_extents = 0;
ei->reserved_extents = 0;
+ ei->root = NULL;
spin_lock_init(&ei->accounting_lock);
btrfs_ordered_inode_tree_init(&ei->ordered_tree);
INIT_LIST_HEAD(&ei->i_orphan);
@@ -5144,6 +5197,14 @@ void btrfs_destroy_inode(struct inode *inode)
WARN_ON(inode->i_data.nrpages);
/*
+ * This can happen where we create an inode, but somebody else also
+ * created the same inode and we need to destroy the one we already
+ * created.
+ */
+ if (!root)
+ goto free;
+
+ /*
* Make sure we're properly removed from the ordered operation
* lists.
*/
@@ -5178,6 +5239,7 @@ void btrfs_destroy_inode(struct inode *inode)
}
inode_tree_del(inode);
btrfs_drop_extent_cache(inode, 0, (u64)-1, 0);
+free:
kmem_cache_free(btrfs_inode_cachep, BTRFS_I(inode));
}
@@ -5283,11 +5345,14 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
return -ENOTEMPTY;
/*
- * 2 items for dir items
- * 1 item for orphan entry
- * 1 item for ref
+ * We want to reserve the absolute worst case amount of items. So if
+ * both inodes are subvols and we need to unlink them then that would
+ * require 4 item modifications, but if they are both normal inodes it
+ * would require 5 item modifications, so we'll assume their normal
+ * inodes. So 5 * 2 is 10, plus 1 for the new link, so 11 total items
+ * should cover the worst case number of items we'll modify.
*/
- ret = btrfs_reserve_metadata_space(root, 4);
+ ret = btrfs_reserve_metadata_space(root, 11);
if (ret)
return ret;
@@ -5403,7 +5468,7 @@ out_fail:
if (old_inode->i_ino == BTRFS_FIRST_FREE_OBJECTID)
up_read(&root->fs_info->subvol_sem);
- btrfs_unreserve_metadata_space(root, 4);
+ btrfs_unreserve_metadata_space(root, 11);
return ret;
}
diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index 9351428..67fa2d2 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -159,7 +159,6 @@ int btrfs_update_root(struct btrfs_trans_handle *trans, struct btrfs_root
write_extent_buffer(l, item, ptr, sizeof(*item));
btrfs_mark_buffer_dirty(path->nodes[0]);
out:
- btrfs_release_path(root, path);
btrfs_free_path(path);
return ret;
}
@@ -332,7 +331,6 @@ int btrfs_del_root(struct btrfs_trans_handle *trans, struct btrfs_root *root,
BUG_ON(refs != 0);
ret = btrfs_del_item(trans, root, path);
out:
- btrfs_release_path(root, path);
btrfs_free_path(path);
return ret;
}
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index bca82a4..c207e8c 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -163,8 +163,14 @@ static void wait_current_trans(struct btrfs_root *root)
}
}
+enum btrfs_trans_type {
+ TRANS_START,
+ TRANS_JOIN,
+ TRANS_USERSPACE,
+};
+
static struct btrfs_trans_handle *start_transaction(struct btrfs_root *root,
- int num_blocks, int wait)
+ int num_blocks, int type)
{
struct btrfs_trans_handle *h =
kmem_cache_alloc(btrfs_trans_handle_cachep, GFP_NOFS);
@@ -172,7 +178,8 @@ static struct btrfs_trans_handle *start_transaction(struct btrfs_root *root,
mutex_lock(&root->fs_info->trans_mutex);
if (!root->fs_info->log_root_recovering &&
- ((wait == 1 && !root->fs_info->open_ioctl_trans) || wait == 2))
+ ((type == TRANS_START && !root->fs_info->open_ioctl_trans) ||
+ type == TRANS_USERSPACE))
wait_current_trans(root);
ret = join_transaction(root);
BUG_ON(ret);
@@ -186,7 +193,7 @@ static struct btrfs_trans_handle *start_transaction(struct btrfs_root *root,
h->alloc_exclude_start = 0;
h->delayed_ref_updates = 0;
- if (!current->journal_info)
+ if (!current->journal_info && type != TRANS_USERSPACE)
current->journal_info = h;
root->fs_info->running_transaction->use_count++;
@@ -198,18 +205,18 @@ static struct btrfs_trans_handle *start_transaction(struct btrfs_root *root,
struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root,
int num_blocks)
{
- return start_transaction(root, num_blocks, 1);
+ return start_transaction(root, num_blocks, TRANS_START);
}
struct btrfs_trans_handle *btrfs_join_transaction(struct btrfs_root *root,
int num_blocks)
{
- return start_transaction(root, num_blocks, 0);
+ return start_transaction(root, num_blocks, TRANS_JOIN);
}
struct btrfs_trans_handle *btrfs_start_ioctl_transaction(struct btrfs_root *r,
int num_blocks)
{
- return start_transaction(r, num_blocks, 2);
+ return start_transaction(r, num_blocks, TRANS_USERSPACE);
}
/* wait for a transaction commit to be fully complete */
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 6928c24..5646727 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -388,4 +388,5 @@ extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
const struct nls_table *nls_codepage, int remap_special_chars);
extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
+extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
#endif /* _CIFSPROTO_H */
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index b090980..63ea83f 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2220,16 +2220,8 @@ is_path_accessible(int xid, struct cifsTconInfo *tcon,
struct cifs_sb_info *cifs_sb, const char *full_path)
{
int rc;
- __u64 inode_num;
FILE_ALL_INFO *pfile_info;
- rc = CIFSGetSrvInodeNumber(xid, tcon, full_path, &inode_num,
- cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
- CIFS_MOUNT_MAP_SPECIAL_CHR);
- if (rc != -EOPNOTSUPP)
- return rc;
-
pfile_info = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
if (pfile_info == NULL)
return -ENOMEM;
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 5e24925..cababd8 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -512,13 +512,10 @@ int cifs_get_inode_info(struct inode **pinode,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
- if (rc1) {
+ if (rc1 || !fattr.cf_uniqueid) {
cFYI(1, ("GetSrvInodeNum rc %d", rc1));
fattr.cf_uniqueid = iunique(sb, ROOT_I);
- /* disable serverino if call not supported */
- if (rc1 == -EINVAL)
- cifs_sb->mnt_cifs_flags &=
- ~CIFS_MOUNT_SERVER_INUM;
+ cifs_autodisable_serverino(cifs_sb);
}
} else {
fattr.cf_uniqueid = iunique(sb, ROOT_I);
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 0241b25..1e25efc 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -715,3 +715,17 @@ cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
ctoUCS_out:
return i;
}
+
+void
+cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb)
+{
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) {
+ cifs_sb->mnt_cifs_flags &= CIFS_MOUNT_SERVER_INUM;
+ cERROR(1, ("Autodisabling the use of server inode numbers on "
+ "%s. This server doesn't seem to support them "
+ "properly. Hardlinks will not be recognized on this "
+ "mount. Consider mounting with the \"noserverino\" "
+ "option to silence this message.",
+ cifs_sb->tcon->treeName));
+ }
+}
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 1f098ca..f84062f 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -727,11 +727,12 @@ static int cifs_filldir(char *pfindEntry, struct file *file, filldir_t filldir,
cifs_dir_info_to_fattr(&fattr, (FILE_DIRECTORY_INFO *)
pfindEntry, cifs_sb);
- /* FIXME: make _to_fattr functions fill this out */
- if (pCifsF->srch_inf.info_level == SMB_FIND_FILE_ID_FULL_DIR_INFO)
+ if (inum && (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)) {
fattr.cf_uniqueid = inum;
- else
+ } else {
fattr.cf_uniqueid = iunique(sb, ROOT_I);
+ cifs_autodisable_serverino(cifs_sb);
+ }
ino = cifs_uniqueid_to_ino_t(fattr.cf_uniqueid);
tmp_dentry = cifs_readdir_lookup(file->f_dentry, &qstring, &fattr);
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index f91fd51..d84e705 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -1800,7 +1800,7 @@ struct space_resv_32 {
/* just account for different alignment */
static int compat_ioctl_preallocate(struct file *file, unsigned long arg)
{
- struct space_resv_32 __user *p32 = (void __user *)arg;
+ struct space_resv_32 __user *p32 = compat_ptr(arg);
struct space_resv __user *p = compat_alloc_user_space(sizeof(*p));
if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) ||
@@ -2802,7 +2802,7 @@ asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
#else
case FS_IOC_RESVSP:
case FS_IOC_RESVSP64:
- error = ioctl_preallocate(filp, (void __user *)arg);
+ error = ioctl_preallocate(filp, compat_ptr(arg));
goto out_fput;
#endif
diff --git a/fs/exec.c b/fs/exec.c
index d49be6b..ba112bd 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -624,10 +624,8 @@ int setup_arg_pages(struct linux_binprm *bprm,
/* Move stack pages down in memory. */
if (stack_shift) {
ret = shift_arg_pages(vma, stack_shift);
- if (ret) {
- up_write(&mm->mmap_sem);
- return ret;
- }
+ if (ret)
+ goto out_unlock;
}
#ifdef CONFIG_STACK_GROWSUP
@@ -641,7 +639,7 @@ int setup_arg_pages(struct linux_binprm *bprm,
out_unlock:
up_write(&mm->mmap_sem);
- return 0;
+ return ret;
}
EXPORT_SYMBOL(setup_arg_pages);
diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c
index 451d166..8209f26 100644
--- a/fs/ext3/fsync.c
+++ b/fs/ext3/fsync.c
@@ -46,19 +46,21 @@
int ext3_sync_file(struct file * file, struct dentry *dentry, int datasync)
{
struct inode *inode = dentry->d_inode;
+ struct ext3_inode_info *ei = EXT3_I(inode);
+ journal_t *journal = EXT3_SB(inode->i_sb)->s_journal;
int ret = 0;
+ tid_t commit_tid;
+
+ if (inode->i_sb->s_flags & MS_RDONLY)
+ return 0;
J_ASSERT(ext3_journal_current_handle() == NULL);
/*
- * data=writeback:
+ * data=writeback,ordered:
* The caller's filemap_fdatawrite()/wait will sync the data.
- * sync_inode() will sync the metadata
- *
- * data=ordered:
- * The caller's filemap_fdatawrite() will write the data and
- * sync_inode() will write the inode if it is dirty. Then the caller's
- * filemap_fdatawait() will wait on the pages.
+ * Metadata is in the journal, we wait for a proper transaction
+ * to commit here.
*
* data=journal:
* filemap_fdatawrite won't do anything (the buffers are clean).
@@ -73,22 +75,16 @@ int ext3_sync_file(struct file * file, struct dentry *dentry, int datasync)
goto out;
}
- if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
- goto flush;
+ if (datasync)
+ commit_tid = atomic_read(&ei->i_datasync_tid);
+ else
+ commit_tid = atomic_read(&ei->i_sync_tid);
- /*
- * The VFS has written the file data. If the inode is unaltered
- * then we need not start a commit.
- */
- if (inode->i_state & (I_DIRTY_SYNC|I_DIRTY_DATASYNC)) {
- struct writeback_control wbc = {
- .sync_mode = WB_SYNC_ALL,
- .nr_to_write = 0, /* sys_fsync did this */
- };
- ret = sync_inode(inode, &wbc);
+ if (log_start_commit(journal, commit_tid)) {
+ log_wait_commit(journal, commit_tid);
goto out;
}
-flush:
+
/*
* In case we didn't commit a transaction, we have to flush
* disk caches manually so that data really is on persistent
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index acf1b14..354ed3b 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -699,8 +699,9 @@ static int ext3_splice_branch(handle_t *handle, struct inode *inode,
int err = 0;
struct ext3_block_alloc_info *block_i;
ext3_fsblk_t current_block;
+ struct ext3_inode_info *ei = EXT3_I(inode);
- block_i = EXT3_I(inode)->i_block_alloc_info;
+ block_i = ei->i_block_alloc_info;
/*
* If we're splicing into a [td]indirect block (as opposed to the
* inode) then we need to get write access to the [td]indirect block
@@ -741,6 +742,8 @@ static int ext3_splice_branch(handle_t *handle, struct inode *inode,
inode->i_ctime = CURRENT_TIME_SEC;
ext3_mark_inode_dirty(handle, inode);
+ /* ext3_mark_inode_dirty already updated i_sync_tid */
+ atomic_set(&ei->i_datasync_tid, handle->h_transaction->t_tid);
/* had we spliced it onto indirect block? */
if (where->bh) {
@@ -1735,6 +1738,7 @@ static ssize_t ext3_direct_IO(int rw, struct kiocb *iocb,
ssize_t ret;
int orphan = 0;
size_t count = iov_length(iov, nr_segs);
+ int retries = 0;
if (rw == WRITE) {
loff_t final_size = offset + count;
@@ -1757,9 +1761,12 @@ static ssize_t ext3_direct_IO(int rw, struct kiocb *iocb,
}
}
+retry:
ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
offset, nr_segs,
ext3_get_block, NULL);
+ if (ret == -ENOSPC && ext3_should_retry_alloc(inode->i_sb, &retries))
+ goto retry;
if (orphan) {
int err;
@@ -2750,6 +2757,8 @@ struct inode *ext3_iget(struct super_block *sb, unsigned long ino)
struct ext3_inode_info *ei;
struct buffer_head *bh;
struct inode *inode;
+ journal_t *journal = EXT3_SB(sb)->s_journal;
+ transaction_t *transaction;
long ret;
int block;
@@ -2827,6 +2836,30 @@ struct inode *ext3_iget(struct super_block *sb, unsigned long ino)
ei->i_data[block] = raw_inode->i_block[block];
INIT_LIST_HEAD(&ei->i_orphan);
+ /*
+ * Set transaction id's of transactions that have to be committed
+ * to finish f[data]sync. We set them to currently running transaction
+ * as we cannot be sure that the inode or some of its metadata isn't
+ * part of the transaction - the inode could have been reclaimed and
+ * now it is reread from disk.
+ */
+ if (journal) {
+ tid_t tid;
+
+ spin_lock(&journal->j_state_lock);
+ if (journal->j_running_transaction)
+ transaction = journal->j_running_transaction;
+ else
+ transaction = journal->j_committing_transaction;
+ if (transaction)
+ tid = transaction->t_tid;
+ else
+ tid = journal->j_commit_sequence;
+ spin_unlock(&journal->j_state_lock);
+ atomic_set(&ei->i_sync_tid, tid);
+ atomic_set(&ei->i_datasync_tid, tid);
+ }
+
if (inode->i_ino >= EXT3_FIRST_INO(inode->i_sb) + 1 &&
EXT3_INODE_SIZE(inode->i_sb) > EXT3_GOOD_OLD_INODE_SIZE) {
/*
@@ -3011,6 +3044,7 @@ again:
err = rc;
ei->i_state &= ~EXT3_STATE_NEW;
+ atomic_set(&ei->i_sync_tid, handle->h_transaction->t_tid);
out_brelse:
brelse (bh);
ext3_std_error(inode->i_sb, err);
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 7a520a8..427496c 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -466,6 +466,8 @@ static struct inode *ext3_alloc_inode(struct super_block *sb)
return NULL;
ei->i_block_alloc_info = NULL;
ei->vfs_inode.i_version = 1;
+ atomic_set(&ei->i_datasync_tid, 0);
+ atomic_set(&ei->i_sync_tid, 0);
return &ei->vfs_inode;
}
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 00d153f..8825515 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -322,6 +322,7 @@ static inline __u32 ext4_mask_flags(umode_t mode, __u32 flags)
#define EXT4_STATE_NO_EXPAND 0x00000008 /* No space for expansion */
#define EXT4_STATE_DA_ALLOC_CLOSE 0x00000010 /* Alloc DA blks on close */
#define EXT4_STATE_EXT_MIGRATE 0x00000020 /* Inode is migrating */
+#define EXT4_STATE_DIO_UNWRITTEN 0x00000040 /* need convert on dio done*/
/* Used to pass group descriptor data when online resize is done */
struct ext4_new_group_input {
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 10539e3..715264b 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2807,6 +2807,8 @@ fix_extent_len:
* into three uninitialized extent(at most). After IO complete, the part
* being filled will be convert to initialized by the end_io callback function
* via ext4_convert_unwritten_extents().
+ *
+ * Returns the size of uninitialized extent to be written on success.
*/
static int ext4_split_unwritten_extents(handle_t *handle,
struct inode *inode,
@@ -2824,7 +2826,6 @@ static int ext4_split_unwritten_extents(handle_t *handle,
unsigned int allocated, ee_len, depth;
ext4_fsblk_t newblock;
int err = 0;
- int ret = 0;
ext_debug("ext4_split_unwritten_extents: inode %lu,"
"iblock %llu, max_blocks %u\n", inode->i_ino,
@@ -2842,12 +2843,12 @@ static int ext4_split_unwritten_extents(handle_t *handle,
ext4_ext_store_pblock(&orig_ex, ext_pblock(ex));
/*
- * if the entire unintialized extent length less than
- * the size of extent to write, there is no need to split
- * uninitialized extent
+ * If the uninitialized extent begins at the same logical
+ * block where the write begins, and the write completely
+ * covers the extent, then we don't need to split it.
*/
- if (allocated <= max_blocks)
- return ret;
+ if ((iblock == ee_block) && (allocated <= max_blocks))
+ return allocated;
err = ext4_ext_get_access(handle, inode, path + depth);
if (err)
@@ -3048,12 +3049,18 @@ ext4_ext_handle_uninitialized_extents(handle_t *handle, struct inode *inode,
ret = ext4_split_unwritten_extents(handle,
inode, path, iblock,
max_blocks, flags);
- /* flag the io_end struct that we need convert when IO done */
+ /*
+ * Flag the inode(non aio case) or end_io struct (aio case)
+ * that this IO needs to convertion to written when IO is
+ * completed
+ */
if (io)
io->flag = DIO_AIO_UNWRITTEN;
+ else
+ EXT4_I(inode)->i_state |= EXT4_STATE_DIO_UNWRITTEN;
goto out;
}
- /* DIO end_io complete, convert the filled extent to written */
+ /* async DIO end_io complete, convert the filled extent to written */
if (flags == EXT4_GET_BLOCKS_DIO_CONVERT_EXT) {
ret = ext4_convert_unwritten_extents_dio(handle, inode,
path);
@@ -3295,10 +3302,16 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
* To avoid unecessary convertion for every aio dio rewrite
* to the mid of file, here we flag the IO that is really
* need the convertion.
- *
+ * For non asycn direct IO case, flag the inode state
+ * that we need to perform convertion when IO is done.
*/
- if (io && flags == EXT4_GET_BLOCKS_DIO_CREATE_EXT)
- io->flag = DIO_AIO_UNWRITTEN;
+ if (flags == EXT4_GET_BLOCKS_DIO_CREATE_EXT) {
+ if (io)
+ io->flag = DIO_AIO_UNWRITTEN;
+ else
+ EXT4_I(inode)->i_state |=
+ EXT4_STATE_DIO_UNWRITTEN;;
+ }
}
err = ext4_ext_insert_extent(handle, inode, path, &newex, flags);
if (err) {
@@ -3519,6 +3532,7 @@ retry:
*
* This function is called from the direct IO end io call back
* function, to convert the fallocated extents after IO is completed.
+ * Returns 0 on success.
*/
int ext4_convert_unwritten_extents(struct inode *inode, loff_t offset,
loff_t len)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 5c5bc5d..2c8caa5 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -193,7 +193,7 @@ static int try_to_extend_transaction(handle_t *handle, struct inode *inode)
* so before we call here everything must be consistently dirtied against
* this transaction.
*/
- int ext4_truncate_restart_trans(handle_t *handle, struct inode *inode,
+int ext4_truncate_restart_trans(handle_t *handle, struct inode *inode,
int nblocks)
{
int ret;
@@ -209,6 +209,7 @@ static int try_to_extend_transaction(handle_t *handle, struct inode *inode)
up_write(&EXT4_I(inode)->i_data_sem);
ret = ext4_journal_restart(handle, blocks_for_truncate(inode));
down_write(&EXT4_I(inode)->i_data_sem);
+ ext4_discard_preallocations(inode);
return ret;
}
@@ -3445,8 +3446,6 @@ out:
return ret;
}
-/* Maximum number of blocks we map for direct IO at once. */
-
static int ext4_get_block_dio_write(struct inode *inode, sector_t iblock,
struct buffer_head *bh_result, int create)
{
@@ -3654,13 +3653,14 @@ static void ext4_end_io_dio(struct kiocb *iocb, loff_t offset,
ext4_io_end_t *io_end = iocb->private;
struct workqueue_struct *wq;
+ /* if not async direct IO or dio with 0 bytes write, just return */
+ if (!io_end || !size)
+ return;
+
ext_debug("ext4_end_io_dio(): io_end 0x%p"
"for inode %lu, iocb 0x%p, offset %llu, size %llu\n",
iocb->private, io_end->inode->i_ino, iocb, offset,
size);
- /* if not async direct IO or dio with 0 bytes write, just return */
- if (!io_end || !size)
- return;
/* if not aio dio with unwritten extents, just free io and return */
if (io_end->flag != DIO_AIO_UNWRITTEN){
@@ -3771,13 +3771,19 @@ static ssize_t ext4_ext_direct_IO(int rw, struct kiocb *iocb,
if (ret != -EIOCBQUEUED && ret <= 0 && iocb->private) {
ext4_free_io_end(iocb->private);
iocb->private = NULL;
- } else if (ret > 0)
+ } else if (ret > 0 && (EXT4_I(inode)->i_state &
+ EXT4_STATE_DIO_UNWRITTEN)) {
+ int err;
/*
* for non AIO case, since the IO is already
* completed, we could do the convertion right here
*/
- ret = ext4_convert_unwritten_extents(inode,
- offset, ret);
+ err = ext4_convert_unwritten_extents(inode,
+ offset, ret);
+ if (err < 0)
+ ret = err;
+ EXT4_I(inode)->i_state &= ~EXT4_STATE_DIO_UNWRITTEN;
+ }
return ret;
}
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 7c8fe80..6d2c1b8 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1518,12 +1518,8 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
return retval;
if (blocks == 1 && !dx_fallback &&
- EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_DIR_INDEX)) {
- retval = make_indexed_dir(handle, dentry, inode, bh);
- if (retval == -ENOSPC)
- brelse(bh);
- return retval;
- }
+ EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_DIR_INDEX))
+ return make_indexed_dir(handle, dentry, inode, bh);
brelse(bh);
}
bh = ext4_append(handle, dir, &block, &retval);
@@ -1532,10 +1528,7 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
de = (struct ext4_dir_entry_2 *) bh->b_data;
de->inode = 0;
de->rec_len = ext4_rec_len_to_disk(blocksize, blocksize);
- retval = add_dirent_to_buf(handle, dentry, inode, de, bh);
- if (retval == -ENOSPC)
- brelse(bh);
- return retval;
+ return add_dirent_to_buf(handle, dentry, inode, de, bh);
}
/*
@@ -1664,8 +1657,7 @@ static int ext4_dx_add_entry(handle_t *handle, struct dentry *dentry,
if (!de)
goto cleanup;
err = add_dirent_to_buf(handle, dentry, inode, de, bh);
- if (err != -ENOSPC)
- bh = NULL;
+ bh = NULL;
goto cleanup;
journal_error:
diff --git a/fs/ioctl.c b/fs/ioctl.c
index 7b17a14..6c75110 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -254,7 +254,7 @@ int __generic_block_fiemap(struct inode *inode,
u64 len, get_block_t *get_block)
{
struct buffer_head tmp;
- unsigned int start_blk;
+ unsigned long long start_blk;
long long length = 0, map_len = 0;
u64 logical = 0, phys = 0, size = 0;
u32 flags = FIEMAP_EXTENT_MERGED;
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index bd3c073..4160afa 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -73,6 +73,7 @@ EXPORT_SYMBOL(journal_errno);
EXPORT_SYMBOL(journal_ack_err);
EXPORT_SYMBOL(journal_clear_err);
EXPORT_SYMBOL(log_wait_commit);
+EXPORT_SYMBOL(log_start_commit);
EXPORT_SYMBOL(journal_start_commit);
EXPORT_SYMBOL(journal_force_commit_nested);
EXPORT_SYMBOL(journal_wipe);
@@ -756,6 +757,7 @@ journal_t * journal_init_dev(struct block_device *bdev,
return journal;
out_err:
+ kfree(journal->j_wbuf);
kfree(journal);
return NULL;
}
@@ -820,6 +822,7 @@ journal_t * journal_init_inode (struct inode *inode)
return journal;
out_err:
+ kfree(journal->j_wbuf);
kfree(journal);
return NULL;
}
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index b0ab521..fed85388 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -913,6 +913,7 @@ journal_t * jbd2_journal_init_dev(struct block_device *bdev,
return journal;
out_err:
+ kfree(journal->j_wbuf);
jbd2_stats_proc_exit(journal);
kfree(journal);
return NULL;
@@ -986,6 +987,7 @@ journal_t * jbd2_journal_init_inode (struct inode *inode)
return journal;
out_err:
+ kfree(journal->j_wbuf);
jbd2_stats_proc_exit(journal);
kfree(journal);
return NULL;
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 6572ea4..d24057d 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -297,7 +297,18 @@ static int nilfs_ioctl_move_inode_block(struct inode *inode,
(unsigned long long)vdesc->vd_vblocknr);
return ret;
}
- bh->b_private = vdesc;
+ if (unlikely(!list_empty(&bh->b_assoc_buffers))) {
+ printk(KERN_CRIT "%s: conflicting %s buffer: ino=%llu, "
+ "cno=%llu, offset=%llu, blocknr=%llu, vblocknr=%llu\n",
+ __func__, vdesc->vd_flags ? "node" : "data",
+ (unsigned long long)vdesc->vd_ino,
+ (unsigned long long)vdesc->vd_cno,
+ (unsigned long long)vdesc->vd_offset,
+ (unsigned long long)vdesc->vd_blocknr,
+ (unsigned long long)vdesc->vd_vblocknr);
+ brelse(bh);
+ return -EEXIST;
+ }
list_add_tail(&bh->b_assoc_buffers, buffers);
return 0;
}
@@ -335,24 +346,10 @@ static int nilfs_ioctl_move_blocks(struct the_nilfs *nilfs,
list_for_each_entry_safe(bh, n, &buffers, b_assoc_buffers) {
ret = nilfs_gccache_wait_and_mark_dirty(bh);
if (unlikely(ret < 0)) {
- if (ret == -EEXIST) {
- vdesc = bh->b_private;
- printk(KERN_CRIT
- "%s: conflicting %s buffer: "
- "ino=%llu, cno=%llu, offset=%llu, "
- "blocknr=%llu, vblocknr=%llu\n",
- __func__,
- vdesc->vd_flags ? "node" : "data",
- (unsigned long long)vdesc->vd_ino,
- (unsigned long long)vdesc->vd_cno,
- (unsigned long long)vdesc->vd_offset,
- (unsigned long long)vdesc->vd_blocknr,
- (unsigned long long)vdesc->vd_vblocknr);
- }
+ WARN_ON(ret == -EEXIST);
goto failed;
}
list_del_init(&bh->b_assoc_buffers);
- bh->b_private = NULL;
brelse(bh);
}
return nmembs;
@@ -360,7 +357,6 @@ static int nilfs_ioctl_move_blocks(struct the_nilfs *nilfs,
failed:
list_for_each_entry_safe(bh, n, &buffers, b_assoc_buffers) {
list_del_init(&bh->b_assoc_buffers);
- bh->b_private = NULL;
brelse(bh);
}
return ret;
@@ -471,7 +467,6 @@ int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *nilfs,
return 0;
failed:
- nilfs_remove_all_gcinode(nilfs);
printk(KERN_ERR "NILFS: GC failed during preparation: %s: err=%d\n",
msg, ret);
return ret;
@@ -560,6 +555,8 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
else
ret = nilfs_clean_segments(inode->i_sb, argv, kbufs);
+ if (ret < 0)
+ nilfs_remove_all_gcinode(nilfs);
clear_nilfs_gc_running(nilfs);
out_free:
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 837469a..af643b5 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2597,8 +2597,7 @@ static void proc_flush_task_mnt(struct vfsmount *mnt, pid_t pid, pid_t tgid)
name.len = snprintf(buf, sizeof(buf), "%d", pid);
dentry = d_hash_and_lookup(mnt->mnt_root, &name);
if (dentry) {
- if (!(current->flags & PF_EXITING))
- shrink_dcache_parent(dentry);
+ shrink_dcache_parent(dentry);
d_drop(dentry);
dput(dentry);
}
generated by cgit v1.1 at 2024-12-26 23:06:35 +0000