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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-09-11 13:49:55 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-09-23 11:10:12 -0700 |
| commit | 4c521f493b625c7982cf2eae246e86c893f62dfa (patch) | |
| tree | cb88bac09865787eb17fb7e98854e25906729717 /fs/f2fs/f2fs.h | |
| parent | 60979115a69e0e7916a1c1796f902264f1350977 (diff) | |
| download | linux-4c521f493b625c7982cf2eae246e86c893f62dfa.tar.gz linux-4c521f493b625c7982cf2eae246e86c893f62dfa.tar.bz2 linux-4c521f493b625c7982cf2eae246e86c893f62dfa.zip | |
f2fs: use meta_inode cache to improve roll-forward speed
Previously, all the dnode pages should be read during the roll-forward recovery.
Even worsely, whole the chain was traversed twice.
This patch removes that redundant and costly read operations by using page cache
of meta_inode and readahead function as well.
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 8efa170352ff..b6439c3d1744 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -103,7 +103,8 @@ enum { META_CP, META_NAT, META_SIT, - META_SSA + META_SSA, + META_POR, }; /* for the list of ino */ @@ -1294,7 +1295,8 @@ void destroy_segment_manager_caches(void); */ struct page *grab_meta_page(struct f2fs_sb_info *, pgoff_t); struct page *get_meta_page(struct f2fs_sb_info *, pgoff_t); -int ra_meta_pages(struct f2fs_sb_info *, int, int, int); +struct page *get_meta_page_ra(struct f2fs_sb_info *, pgoff_t); +int ra_meta_pages(struct f2fs_sb_info *, block_t, int, int); long sync_meta_pages(struct f2fs_sb_info *, enum page_type, long); void add_dirty_inode(struct f2fs_sb_info *, nid_t, int type); void remove_dirty_inode(struct f2fs_sb_info *, nid_t, int type); |