diff options
| author | Chao Yu <yuchao0@huawei.com> | 2020-02-25 11:17:10 +0100 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-03-23 05:16:27 +0100 |
| commit | a999150f4fe3abbb7efd05411fd5b460be699943 (patch) | |
| tree | 08afcb75aaf48ab33888a594827aa68883789964 /fs/f2fs/super.c | |
| parent | f2fs: skip migration only when BG_GC is called (diff) | |
| download | linux-a999150f4fe3abbb7efd05411fd5b460be699943.tar.xz linux-a999150f4fe3abbb7efd05411fd5b460be699943.zip | |
f2fs: use kmem_cache pool during inline xattr lookups
It's been observed that kzalloc() on lookup_all_xattrs() are called millions
of times on Android, quickly becoming the top abuser of slub memory allocator.
Use a dedicated kmem cache pool for xattr lookups to mitigate this.
Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.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 | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 36539afae1e5..9f435191f1e5 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1202,6 +1202,7 @@ static void f2fs_put_super(struct super_block *sb) kvfree(sbi->raw_super); destroy_device_list(sbi); + f2fs_destroy_xattr_caches(sbi); mempool_destroy(sbi->write_io_dummy); #ifdef CONFIG_QUOTA for (i = 0; i < MAXQUOTAS; i++) @@ -3458,12 +3459,17 @@ try_onemore: } } + /* init per sbi slab cache */ + err = f2fs_init_xattr_caches(sbi); + if (err) + goto free_io_dummy; + /* get an inode for meta space */ sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi)); if (IS_ERR(sbi->meta_inode)) { f2fs_err(sbi, "Failed to read F2FS meta data inode"); err = PTR_ERR(sbi->meta_inode); - goto free_io_dummy; + goto free_xattr_cache; } err = f2fs_get_valid_checkpoint(sbi); @@ -3736,6 +3742,8 @@ free_meta_inode: make_bad_inode(sbi->meta_inode); iput(sbi->meta_inode); sbi->meta_inode = NULL; +free_xattr_cache: + f2fs_destroy_xattr_caches(sbi); free_io_dummy: mempool_destroy(sbi->write_io_dummy); free_percpu: |