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| author | Chao Yu <chao2.yu@samsung.com> | 2015-07-28 13:36:47 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-08-05 18:19:21 +0300 |
| commit | e90c2d2850d9d034e814a328725a4b15878f0357 (patch) | |
| tree | b9709c15f56af0c3d76dd717033a1e08e25ac2ee /fs/f2fs/f2fs.h | |
| parent | 470f00e9686f0b338a457568229fe7b7d44b8e6a (diff) | |
| download | linux-e90c2d2850d9d034e814a328725a4b15878f0357.tar.xz | |
f2fs: invalidate temporary meta page
To avoid meeting garbage data in next free node block at the end of warm
node chain when doing recovery, we will try to zero out that invalid block.
If the device is not support discard, our way for zeroing out block is:
grabbing a temporary zeroed page in meta inode, then, issue write request
with this page.
But, we forget to release that temporary page, so our memory usage will
increase without gaining any hit ratio benefit, so it's better to free it
for saving memory.
Signed-off-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 | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 58b05b541a4e..34a524d007ec 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1707,7 +1707,7 @@ void invalidate_blocks(struct f2fs_sb_info *, block_t); void refresh_sit_entry(struct f2fs_sb_info *, block_t, block_t); void clear_prefree_segments(struct f2fs_sb_info *, struct cp_control *); void release_discard_addrs(struct f2fs_sb_info *); -void discard_next_dnode(struct f2fs_sb_info *, block_t); +bool discard_next_dnode(struct f2fs_sb_info *, block_t); int npages_for_summary_flush(struct f2fs_sb_info *, bool); void allocate_new_segments(struct f2fs_sb_info *); int f2fs_trim_fs(struct f2fs_sb_info *, struct fstrim_range *); |