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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-06-22 23:01:05 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-07-07 21:51:48 -0700 |
| commit | 6b12367da22f1c9d4d0073f8d802f616c735f95b (patch) | |
| tree | 6a060b33ae2a0f02b145ab925714d2ecfd81008a /fs/f2fs/super.c | |
| parent | d7cd3702ca95b1e957493de8f962b47a87b4c6aa (diff) | |
| download | linux-6b12367da22f1c9d4d0073f8d802f616c735f95b.tar.gz linux-6b12367da22f1c9d4d0073f8d802f616c735f95b.tar.bz2 linux-6b12367da22f1c9d4d0073f8d802f616c735f95b.zip | |
f2fs: avoid readahead race condition
If two readahead threads having same offset enter in readpages, every read
IOs are split and issued to the disk which giving lower bandwidth.
This patch tries to avoid redundant readahead calls.
Fixes one build error reported by Randy.
Fix build error when F2FS_FS_COMPRESSION is not set/enabled.
This label is needed in either case.
../fs/f2fs/data.c: In function ‘f2fs_mpage_readpages’:
../fs/f2fs/data.c:2327:5: error: label ‘next_page’ used but not defined
goto next_page;
Reviewed-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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 732652205737..80cb7cd358f8 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1015,6 +1015,8 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb) /* Will be used by directory only */ fi->i_dir_level = F2FS_SB(sb)->dir_level; + fi->ra_offset = -1; + return &fi->vfs_inode; } |