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| author | Chao Yu <yuchao0@huawei.com> | 2021-06-11 01:46:30 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2021-06-23 10:09:35 +0200 |
| commit | 4d9a2bb1a6babc9280a8b4e7a95ada9bf6e51e9a (patch) | |
| tree | 3c2a014a9357318142f2fa97e85a4978a2275864 /fs/f2fs/super.c | |
| parent | f2fs: swap: support migrating swapfile in aligned write mode (diff) | |
| download | linux-4d9a2bb1a6babc9280a8b4e7a95ada9bf6e51e9a.tar.xz linux-4d9a2bb1a6babc9280a8b4e7a95ada9bf6e51e9a.zip | |
f2fs: introduce f2fs_casefolded_name slab cache
Add a slab cache: "f2fs_casefolded_name" for memory allocation
of casefold name.
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index d70122da3f99..289cdda3d17b 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -277,6 +277,24 @@ static int f2fs_sb_read_encoding(const struct f2fs_super_block *sb, return 0; } + +struct kmem_cache *f2fs_cf_name_slab; +static int __init f2fs_create_casefold_cache(void) +{ + f2fs_cf_name_slab = f2fs_kmem_cache_create("f2fs_casefolded_name", + F2FS_NAME_LEN); + if (!f2fs_cf_name_slab) + return -ENOMEM; + return 0; +} + +static void f2fs_destroy_casefold_cache(void) +{ + kmem_cache_destroy(f2fs_cf_name_slab); +} +#else +static int __init f2fs_create_casefold_cache(void) { return 0; } +static void f2fs_destroy_casefold_cache(void) { } #endif static inline void limit_reserve_root(struct f2fs_sb_info *sbi) @@ -4319,7 +4337,12 @@ static int __init init_f2fs_fs(void) err = f2fs_init_compress_cache(); if (err) goto free_compress_mempool; + err = f2fs_create_casefold_cache(); + if (err) + goto free_compress_cache; return 0; +free_compress_cache: + f2fs_destroy_compress_cache(); free_compress_mempool: f2fs_destroy_compress_mempool(); free_bioset: @@ -4355,6 +4378,7 @@ fail: static void __exit exit_f2fs_fs(void) { + f2fs_destroy_casefold_cache(); f2fs_destroy_compress_cache(); f2fs_destroy_compress_mempool(); f2fs_destroy_bioset(); |