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mbcache2: rename to mbcache

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Since old mbcache code is gone, let's rename new code to mbcache since
number 2 is now meaningless. This is just a mechanical replacement.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Jan Kara
2016-02-22 22:35:22 -05:00
committed by Theodore Ts'o
parent f0c8b46238
commit 7a2508e1b6
10 changed files with 204 additions and 204 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
fs/ext2/ext2.h
View File

@@ -61,7 +61,7 @@ struct ext2_block_alloc_info {
#define rsv_start rsv_window._rsv_start
#define rsv_end rsv_window._rsv_end
struct mb2_cache;
struct mb_cache;
/*
* second extended-fs super-block data in memory
@@ -113,7 +113,7 @@ struct ext2_sb_info {
* of the mount options.
*/
spinlock_t s_lock;
struct mb2_cache *s_mb_cache;
struct mb_cache *s_mb_cache;
};
static inline spinlock_t *

48
fs/ext2/xattr.c
View File

@@ -56,7 +56,7 @@
#include <linux/buffer_head.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/mbcache2.h>
#include <linux/mbcache.h>
#include <linux/quotaops.h>
#include <linux/rwsem.h>
#include <linux/security.h>
@@ -90,7 +90,7 @@
static int ext2_xattr_set2(struct inode *, struct buffer_head *,
struct ext2_xattr_header *);
static int ext2_xattr_cache_insert(struct mb2_cache *, struct buffer_head *);
static int ext2_xattr_cache_insert(struct mb_cache *, struct buffer_head *);
static struct buffer_head *ext2_xattr_cache_find(struct inode *,
struct ext2_xattr_header *);
static void ext2_xattr_rehash(struct ext2_xattr_header *,
@@ -150,7 +150,7 @@ ext2_xattr_get(struct inode *inode, int name_index, const char *name,
size_t name_len, size;
char *end;
int error;
struct mb2_cache *ext2_mb_cache = EXT2_SB(inode->i_sb)->s_mb_cache;
struct mb_cache *ext2_mb_cache = EXT2_SB(inode->i_sb)->s_mb_cache;
ea_idebug(inode, "name=%d.%s, buffer=%p, buffer_size=%ld",
name_index, name, buffer, (long)buffer_size);
@@ -246,7 +246,7 @@ ext2_xattr_list(struct dentry *dentry, char *buffer, size_t buffer_size)
char *end;
size_t rest = buffer_size;
int error;
struct mb2_cache *ext2_mb_cache = EXT2_SB(inode->i_sb)->s_mb_cache;
struct mb_cache *ext2_mb_cache = EXT2_SB(inode->i_sb)->s_mb_cache;
ea_idebug(inode, "buffer=%p, buffer_size=%ld",
buffer, (long)buffer_size);
@@ -493,8 +493,8 @@ bad_block: ext2_error(sb, "ext2_xattr_set",
* This must happen under buffer lock for
* ext2_xattr_set2() to reliably detect modified block
*/
mb2_cache_entry_delete_block(EXT2_SB(sb)->s_mb_cache,
hash, bh->b_blocknr);
mb_cache_entry_delete_block(EXT2_SB(sb)->s_mb_cache,
hash, bh->b_blocknr);
/* keep the buffer locked while modifying it. */
} else {
@@ -627,7 +627,7 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh,
struct super_block *sb = inode->i_sb;
struct buffer_head *new_bh = NULL;
int error;
struct mb2_cache *ext2_mb_cache = EXT2_SB(sb)->s_mb_cache;
struct mb_cache *ext2_mb_cache = EXT2_SB(sb)->s_mb_cache;
if (header) {
new_bh = ext2_xattr_cache_find(inode, header);
@@ -721,8 +721,8 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh,
* This must happen under buffer lock for
* ext2_xattr_set2() to reliably detect freed block
*/
mb2_cache_entry_delete_block(ext2_mb_cache,
hash, old_bh->b_blocknr);
mb_cache_entry_delete_block(ext2_mb_cache,
hash, old_bh->b_blocknr);
/* Free the old block. */
ea_bdebug(old_bh, "freeing");
ext2_free_blocks(inode, old_bh->b_blocknr, 1);
@@ -786,8 +786,8 @@ ext2_xattr_delete_inode(struct inode *inode)
* This must happen under buffer lock for ext2_xattr_set2() to
* reliably detect freed block
*/
mb2_cache_entry_delete_block(EXT2_SB(inode->i_sb)->s_mb_cache,
hash, bh->b_blocknr);
mb_cache_entry_delete_block(EXT2_SB(inode->i_sb)->s_mb_cache,
hash, bh->b_blocknr);
ext2_free_blocks(inode, EXT2_I(inode)->i_file_acl, 1);
get_bh(bh);
bforget(bh);
@@ -818,12 +818,12 @@ cleanup:
* Returns 0, or a negative error number on failure.
*/
static int
ext2_xattr_cache_insert(struct mb2_cache *cache, struct buffer_head *bh)
ext2_xattr_cache_insert(struct mb_cache *cache, struct buffer_head *bh)
{
__u32 hash = le32_to_cpu(HDR(bh)->h_hash);
int error;
error = mb2_cache_entry_create(cache, GFP_NOFS, hash, bh->b_blocknr);
error = mb_cache_entry_create(cache, GFP_NOFS, hash, bh->b_blocknr);
if (error) {
if (error == -EBUSY) {
ea_bdebug(bh, "already in cache (%d cache entries)",
@@ -887,14 +887,14 @@ static struct buffer_head *
ext2_xattr_cache_find(struct inode *inode, struct ext2_xattr_header *header)
{
__u32 hash = le32_to_cpu(header->h_hash);
struct mb2_cache_entry *ce;
struct mb2_cache *ext2_mb_cache = EXT2_SB(inode->i_sb)->s_mb_cache;
struct mb_cache_entry *ce;
struct mb_cache *ext2_mb_cache = EXT2_SB(inode->i_sb)->s_mb_cache;
if (!header->h_hash)
return NULL; /* never share */
ea_idebug(inode, "looking for cached blocks [%x]", (int)hash);
again:
ce = mb2_cache_entry_find_first(ext2_mb_cache, hash);
ce = mb_cache_entry_find_first(ext2_mb_cache, hash);
while (ce) {
struct buffer_head *bh;
@@ -915,7 +915,7 @@ again:
* entry is still hashed is reliable.
*/
if (hlist_bl_unhashed(&ce->e_hash_list)) {
mb2_cache_entry_put(ext2_mb_cache, ce);
mb_cache_entry_put(ext2_mb_cache, ce);
unlock_buffer(bh);
brelse(bh);
goto again;
@@ -928,14 +928,14 @@ again:
} else if (!ext2_xattr_cmp(header, HDR(bh))) {
ea_bdebug(bh, "b_count=%d",
atomic_read(&(bh->b_count)));
mb2_cache_entry_touch(ext2_mb_cache, ce);
mb2_cache_entry_put(ext2_mb_cache, ce);
mb_cache_entry_touch(ext2_mb_cache, ce);
mb_cache_entry_put(ext2_mb_cache, ce);
return bh;
}
unlock_buffer(bh);
brelse(bh);
}
ce = mb2_cache_entry_find_next(ext2_mb_cache, ce);
ce = mb_cache_entry_find_next(ext2_mb_cache, ce);
}
return NULL;
}
@@ -1010,13 +1010,13 @@ static void ext2_xattr_rehash(struct ext2_xattr_header *header,
#define HASH_BUCKET_BITS 10
struct mb2_cache *ext2_xattr_create_cache(void)
struct mb_cache *ext2_xattr_create_cache(void)
{
return mb2_cache_create(HASH_BUCKET_BITS);
return mb_cache_create(HASH_BUCKET_BITS);
}
void ext2_xattr_destroy_cache(struct mb2_cache *cache)
void ext2_xattr_destroy_cache(struct mb_cache *cache)
{
if (cache)
mb2_cache_destroy(cache);
mb_cache_destroy(cache);
}

8
fs/ext2/xattr.h
View File

@@ -53,7 +53,7 @@ struct ext2_xattr_entry {
#define EXT2_XATTR_SIZE(size) \
(((size) + EXT2_XATTR_ROUND) & ~EXT2_XATTR_ROUND)
struct mb2_cache;
struct mb_cache;
# ifdef CONFIG_EXT2_FS_XATTR
@@ -68,8 +68,8 @@ extern int ext2_xattr_set(struct inode *, int, const char *, const void *, size_
extern void ext2_xattr_delete_inode(struct inode *);
extern struct mb2_cache *ext2_xattr_create_cache(void);
extern void ext2_xattr_destroy_cache(struct mb2_cache *cache);
extern struct mb_cache *ext2_xattr_create_cache(void);
extern void ext2_xattr_destroy_cache(struct mb_cache *cache);
extern const struct xattr_handler *ext2_xattr_handlers[];
@@ -94,7 +94,7 @@ ext2_xattr_delete_inode(struct inode *inode)
{
}
static inline void ext2_xattr_destroy_cache(struct mb2_cache *cache)
static inline void ext2_xattr_destroy_cache(struct mb_cache *cache)
{
}