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authorChao Yu <yuchao0@huawei.com>2021-06-11 07:46:30 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2021-06-23 01:09:35 -0700
commit4d9a2bb1a6babc9280a8b4e7a95ada9bf6e51e9a (patch)
tree3c2a014a9357318142f2fa97e85a4978a2275864 /fs/f2fs/super.c
parent859fca6b706e005f7cf19aa2ce7bb4005bcef427 (diff)
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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.c24
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();