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| author | Chao Yu <chao2.yu@samsung.com> | 2014-07-31 15:11:22 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-08-02 16:34:46 +0200 |
| commit | 70407fad85f2ec87a0cf56057c3267cd3aa22768 (patch) | |
| tree | f408c7768f8c0af862c0fd954dba6331554152ff /fs | |
| parent | f2fs: reduce competition among node page writes (diff) | |
| download | linux-70407fad85f2ec87a0cf56057c3267cd3aa22768.tar.xz linux-70407fad85f2ec87a0cf56057c3267cd3aa22768.zip | |
f2fs: add tracepoint for f2fs_direct_IO
This patch adds a tracepoint for f2fs_direct_IO.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/f2fs/data.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index ec3c8860539e..03313099c51c 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1086,9 +1086,14 @@ static ssize_t f2fs_direct_IO(int rw, struct kiocb *iocb, /* clear fsync mark to recover these blocks */ fsync_mark_clear(F2FS_SB(inode->i_sb), inode->i_ino); + trace_f2fs_direct_IO_enter(inode, offset, count, rw); + err = blockdev_direct_IO(rw, iocb, inode, iter, offset, get_data_block); if (err < 0 && (rw & WRITE)) f2fs_write_failed(mapping, offset + count); + + trace_f2fs_direct_IO_exit(inode, offset, count, rw, err); + return err; } |