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| author | Chao Yu <yuchao0@huawei.com> | 2020-09-14 12:05:13 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-09-29 19:16:32 +0300 |
| commit | 31083031709eea6530f0551d59eecdb2e68265ef (patch) | |
| tree | dac54d5eb4d654411f6d0836155ead473e3755ec /fs/f2fs/f2fs.h | |
| parent | 3a22e9ac71585bcb7667e44641f1bbb25295f0ce (diff) | |
| download | linux-31083031709eea6530f0551d59eecdb2e68265ef.tar.xz | |
f2fs: compress: introduce page array slab cache
Add a per-sbi slab cache "f2fs_page_array_entry-%u:%u" for memory
allocation of page pointer array in compress context.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
[Jaegeuk Kim: Fix wrong memory allocation]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index c4e659da299f..901867301e53 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1622,6 +1622,11 @@ struct f2fs_sb_info { struct kmem_cache *inline_xattr_slab; /* inline xattr entry */ unsigned int inline_xattr_slab_size; /* default inline xattr slab size */ + +#ifdef CONFIG_F2FS_FS_COMPRESSION + struct kmem_cache *page_array_slab; /* page array entry */ + unsigned int page_array_slab_size; /* default page array slab size */ +#endif }; struct f2fs_private_dio { @@ -3929,6 +3934,8 @@ void f2fs_decompress_end_io(struct page **rpages, int f2fs_init_compress_ctx(struct compress_ctx *cc); void f2fs_destroy_compress_ctx(struct compress_ctx *cc); void f2fs_init_compress_info(struct f2fs_sb_info *sbi); +int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi); +void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi); #else static inline bool f2fs_is_compressed_page(struct page *page) { return false; } static inline bool f2fs_is_compress_backend_ready(struct inode *inode) @@ -3945,6 +3952,8 @@ static inline struct page *f2fs_compress_control_page(struct page *page) } static inline int f2fs_init_compress_mempool(void) { return 0; } static inline void f2fs_destroy_compress_mempool(void) { } +static inline int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi) { return 0; } +static inline void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi) { } #endif static inline void set_compress_context(struct inode *inode) |