提交 ecd1e644 编写于 作者: J Jan Kara 提交者: Theodore Ts'o

mbcache: remove mbcache

Both ext2 and ext4 are now converted to mbcache2. Remove the old mbcache
code.
Signed-off-by: NJan Kara <jack@suse.cz>
Signed-off-by: NTheodore Ts'o <tytso@mit.edu>
上级 be0726d3
......@@ -41,7 +41,7 @@ obj-$(CONFIG_COMPAT_BINFMT_ELF) += compat_binfmt_elf.o
obj-$(CONFIG_BINFMT_ELF_FDPIC) += binfmt_elf_fdpic.o
obj-$(CONFIG_BINFMT_FLAT) += binfmt_flat.o
obj-$(CONFIG_FS_MBCACHE) += mbcache.o mbcache2.o
obj-$(CONFIG_FS_MBCACHE) += mbcache2.o
obj-$(CONFIG_FS_POSIX_ACL) += posix_acl.o
obj-$(CONFIG_NFS_COMMON) += nfs_common/
obj-$(CONFIG_COREDUMP) += coredump.o
......
此差异已折叠。
/*
File: linux/mbcache.h
(C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
*/
struct mb_cache_entry {
struct list_head e_lru_list;
struct mb_cache *e_cache;
unsigned short e_used;
unsigned short e_queued;
atomic_t e_refcnt;
struct block_device *e_bdev;
sector_t e_block;
struct hlist_bl_node e_block_list;
struct {
struct hlist_bl_node o_list;
unsigned int o_key;
} e_index;
struct hlist_bl_head *e_block_hash_p;
struct hlist_bl_head *e_index_hash_p;
};
struct mb_cache {
struct list_head c_cache_list;
const char *c_name;
atomic_t c_entry_count;
int c_max_entries;
int c_bucket_bits;
struct kmem_cache *c_entry_cache;
struct hlist_bl_head *c_block_hash;
struct hlist_bl_head *c_index_hash;
};
/* Functions on caches */
struct mb_cache *mb_cache_create(const char *, int);
void mb_cache_shrink(struct block_device *);
void mb_cache_destroy(struct mb_cache *);
/* Functions on cache entries */
struct mb_cache_entry *mb_cache_entry_alloc(struct mb_cache *, gfp_t);
int mb_cache_entry_insert(struct mb_cache_entry *, struct block_device *,
sector_t, unsigned int);
void mb_cache_entry_release(struct mb_cache_entry *);
void mb_cache_entry_free(struct mb_cache_entry *);
struct mb_cache_entry *mb_cache_entry_get(struct mb_cache *,
struct block_device *,
sector_t);
struct mb_cache_entry *mb_cache_entry_find_first(struct mb_cache *cache,
struct block_device *,
unsigned int);
struct mb_cache_entry *mb_cache_entry_find_next(struct mb_cache_entry *,
struct block_device *,
unsigned int);
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