diff options
| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-09-09 21:11:04 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-09-12 03:22:18 +0300 |
| commit | b3a97a2a9a7b2d50bcf13d32857cd6f5695c6b65 (patch) | |
| tree | d95e581f355bde321e2e05e4f6188ab8b596b555 /fs | |
| parent | 1eb1ef4a8e9f6a4d9c2c7a645aba21d2f8719728 (diff) | |
| download | linux-b3a97a2a9a7b2d50bcf13d32857cd6f5695c6b65.tar.xz | |
f2fs: speed up gc_urgent mode with SSR
This patch activates SSR in gc_urgent mode.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/f2fs/f2fs.h | 1 | ||||
| -rw-r--r-- | fs/f2fs/segment.c | 15 | ||||
| -rw-r--r-- | fs/f2fs/segment.h | 13 |
3 files changed, 16 insertions, 13 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index c0803b1873b3..9a7c90386947 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -2511,6 +2511,7 @@ void destroy_node_manager_caches(void); /* * segment.c */ +bool need_SSR(struct f2fs_sb_info *sbi); void register_inmem_page(struct inode *inode, struct page *page); void drop_inmem_pages(struct inode *inode); void drop_inmem_page(struct inode *inode, struct page *page); diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 273cc645e502..7fd742f747ce 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -169,6 +169,21 @@ found: return result - size + __reverse_ffz(tmp); } +bool need_SSR(struct f2fs_sb_info *sbi) +{ + int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES); + int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS); + int imeta_secs = get_blocktype_secs(sbi, F2FS_DIRTY_IMETA); + + if (test_opt(sbi, LFS)) + return false; + if (sbi->gc_thread && sbi->gc_thread->gc_urgent) + return true; + + return free_sections(sbi) <= (node_secs + 2 * dent_secs + imeta_secs + + 2 * reserved_sections(sbi)); +} + void register_inmem_page(struct inode *inode, struct page *page) { struct f2fs_inode_info *fi = F2FS_I(inode); diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 613b2fa7b1c1..e0a6cc23ace3 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -497,19 +497,6 @@ static inline int reserved_sections(struct f2fs_sb_info *sbi) return GET_SEC_FROM_SEG(sbi, (unsigned int)reserved_segments(sbi)); } -static inline bool need_SSR(struct f2fs_sb_info *sbi) -{ - int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES); - int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS); - int imeta_secs = get_blocktype_secs(sbi, F2FS_DIRTY_IMETA); - - if (test_opt(sbi, LFS)) - return false; - - return free_sections(sbi) <= (node_secs + 2 * dent_secs + imeta_secs + - 2 * reserved_sections(sbi)); -} - static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi, int freed, int needed) { |