There will be a second cache instance that tracks ea_inodes. Make
existing names more explicit so that it is clear that they refer to
xattr block cache.
Signed-off-by: Tahsin Erdogan <tah...@google.com>
---
fs/ext4/xattr.c | 36 ++++++++++++++++++++----------------
1 file changed, 20 insertions(+), 16 deletions(-)
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 772948f168c3..3ee7e2f68476 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -72,10 +72,11 @@
# define ea_bdebug(bh, fmt, ...) no_printk(fmt, ##__VA_ARGS__)
#endif
-static void ext4_xattr_cache_insert(struct mb_cache *, struct buffer_head *);
-static struct buffer_head *ext4_xattr_cache_find(struct inode *,
- struct ext4_xattr_header *,
- struct mb_cache_entry **);
+static void ext4_xattr_block_cache_insert(struct mb_cache *,
+ struct buffer_head *);
+static struct buffer_head *
+ext4_xattr_block_cache_find(struct inode *, struct ext4_xattr_header *,
+ struct mb_cache_entry **);
static void ext4_xattr_rehash(struct ext4_xattr_header *,
struct ext4_xattr_entry *);
@@ -395,7 +396,7 @@ ext4_xattr_block_get(struct inode *inode, int name_index,
const char *name,
error = -EFSCORRUPTED;
goto cleanup;
}
- ext4_xattr_cache_insert(ext4_mb_cache, bh);
+ ext4_xattr_block_cache_insert(ext4_mb_cache, bh);
entry = BFIRST(bh);
error = ext4_xattr_find_entry(&entry, name_index, name, 1);
if (error)
@@ -563,7 +564,7 @@ ext4_xattr_block_list(struct dentry *dentry, char *buffer,
size_t buffer_size)
error = -EFSCORRUPTED;
goto cleanup;
}
- ext4_xattr_cache_insert(ext4_mb_cache, bh);
+ ext4_xattr_block_cache_insert(ext4_mb_cache, bh);
error = ext4_xattr_list_entries(dentry, BFIRST(bh), buffer,
buffer_size);
cleanup:
@@ -1123,8 +1124,8 @@ ext4_xattr_block_set(handle_t *handle, struct inode
*inode,
if (!IS_LAST_ENTRY(s->first))
ext4_xattr_rehash(header(s->base),
s->here);
- ext4_xattr_cache_insert(ext4_mb_cache,
- bs->bh);
+ ext4_xattr_block_cache_insert(ext4_mb_cache,
+ bs->bh);
}
ext4_xattr_block_csum_set(inode, bs->bh);
unlock_buffer(bs->bh);
@@ -1177,7 +1178,8 @@ ext4_xattr_block_set(handle_t *handle, struct inode
*inode,
inserted:
if (!IS_LAST_ENTRY(s->first)) {
- new_bh = ext4_xattr_cache_find(inode, header(s->base), &ce);
+ new_bh = ext4_xattr_block_cache_find(inode, header(s->base),
+ &ce);
if (new_bh) {
/* We found an identical block in the cache. */
if (new_bh == bs->bh)
@@ -1292,7 +1294,7 @@ ext4_xattr_block_set(handle_t *handle, struct inode
*inode,
ext4_xattr_block_csum_set(inode, new_bh);
set_buffer_uptodate(new_bh);
unlock_buffer(new_bh);
- ext4_xattr_cache_insert(ext4_mb_cache, new_bh);
+ ext4_xattr_block_cache_insert(ext4_mb_cache, new_bh);
error = ext4_handle_dirty_metadata(handle, inode,
new_bh);
if (error)
@@ -2150,15 +2152,16 @@ void ext4_xattr_inode_array_free(struct
ext4_xattr_inode_array *ea_inode_array)
}
/*
- * ext4_xattr_cache_insert()
+ * ext4_xattr_block_cache_insert()
*
- * Create a new entry in the extended attribute cache, and insert
+ * Create a new entry in the extended attribute block cache, and insert
* it unless such an entry is already in the cache.
*
* Returns 0, or a negative error number on failure.
*/
static void
-ext4_xattr_cache_insert(struct mb_cache *ext4_mb_cache, struct buffer_head *bh)
+ext4_xattr_block_cache_insert(struct mb_cache *ext4_mb_cache,
+ struct buffer_head *bh)
{
struct ext4_xattr_header *header = BHDR(bh);
__u32 hash = le32_to_cpu(header->h_hash);
@@ -2216,7 +2219,7 @@ ext4_xattr_cmp(struct ext4_xattr_header *header1,
}
/*
- * ext4_xattr_cache_find()
+ * ext4_xattr_block_cache_find()
*
* Find an identical extended attribute block.
*
@@ -2224,8 +2227,9 @@ ext4_xattr_cmp(struct ext4_xattr_header *header1,
* not found or an error occurred.
*/
static struct buffer_head *
-ext4_xattr_cache_find(struct inode *inode, struct ext4_xattr_header *header,
- struct mb_cache_entry **pce)
+ext4_xattr_block_cache_find(struct inode *inode,
+ struct ext4_xattr_header *header,
+ struct mb_cache_entry **pce)
{
__u32 hash = le32_to_cpu(header->h_hash);
struct mb_cache_entry *ce;
--
2.13.0.219.gdb65acc882-goog
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