diff options
| 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/dir.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/dir.c')
| -rw-r--r-- | fs/f2fs/dir.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index 96dcc4aca639..456651682daf 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -16,6 +16,10 @@ #include "xattr.h" #include <trace/events/f2fs.h> +#ifdef CONFIG_UNICODE +extern struct kmem_cache *f2fs_cf_name_slab; +#endif + static unsigned long dir_blocks(struct inode *inode) { return ((unsigned long long) (i_size_read(inode) + PAGE_SIZE - 1)) @@ -77,11 +81,10 @@ int f2fs_init_casefolded_name(const struct inode *dir, { #ifdef CONFIG_UNICODE struct super_block *sb = dir->i_sb; - struct f2fs_sb_info *sbi = F2FS_SB(sb); if (IS_CASEFOLDED(dir)) { - fname->cf_name.name = f2fs_kmalloc(sbi, F2FS_NAME_LEN, - GFP_NOFS); + fname->cf_name.name = kmem_cache_alloc(f2fs_cf_name_slab, + GFP_NOFS); if (!fname->cf_name.name) return -ENOMEM; fname->cf_name.len = utf8_casefold(sb->s_encoding, @@ -89,7 +92,7 @@ int f2fs_init_casefolded_name(const struct inode *dir, fname->cf_name.name, F2FS_NAME_LEN); if ((int)fname->cf_name.len <= 0) { - kfree(fname->cf_name.name); + kmem_cache_free(f2fs_cf_name_slab, fname->cf_name.name); fname->cf_name.name = NULL; if (sb_has_strict_encoding(sb)) return -EINVAL; @@ -172,8 +175,10 @@ void f2fs_free_filename(struct f2fs_filename *fname) fname->crypto_buf.name = NULL; #endif #ifdef CONFIG_UNICODE - kfree(fname->cf_name.name); - fname->cf_name.name = NULL; + if (fname->cf_name.name) { + kmem_cache_free(f2fs_cf_name_slab, fname->cf_name.name); + fname->cf_name.name = NULL; + } #endif } |