summaryrefslogtreecommitdiff
path: root/fs/f2fs
diff options
context:
space:
mode:
authorChao Yu <yuchao0@huawei.com>2019-04-02 18:52:22 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2019-04-16 13:51:32 -0700
commit126ce7214d213412bd4a23c731626ee7fe4cb4ec (patch)
tree05c024ac1c2dfb3926046922199fccb1a5ffe985 /fs/f2fs
parente1074d4b1deb2d26cca5a4aae765939ead91f551 (diff)
f2fs: add tracepoint for f2fs_file_write_iter()
This patch adds tracepoint for f2fs_file_write_iter(). Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/file.c28
1 files changed, 19 insertions, 9 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 30d49467578e..abdff1a0ae92 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -3035,15 +3035,21 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
struct inode *inode = file_inode(file);
ssize_t ret;
- if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
- return -EIO;
+ if (unlikely(f2fs_cp_error(F2FS_I_SB(inode)))) {
+ ret = -EIO;
+ goto out;
+ }
- if ((iocb->ki_flags & IOCB_NOWAIT) && !(iocb->ki_flags & IOCB_DIRECT))
- return -EINVAL;
+ if ((iocb->ki_flags & IOCB_NOWAIT) && !(iocb->ki_flags & IOCB_DIRECT)) {
+ ret = -EINVAL;
+ goto out;
+ }
if (!inode_trylock(inode)) {
- if (iocb->ki_flags & IOCB_NOWAIT)
- return -EAGAIN;
+ if (iocb->ki_flags & IOCB_NOWAIT) {
+ ret = -EAGAIN;
+ goto out;
+ }
inode_lock(inode);
}
@@ -3066,7 +3072,8 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
clear_inode_flag(inode,
FI_NO_PREALLOC);
inode_unlock(inode);
- return -EAGAIN;
+ ret = -EAGAIN;
+ goto out;
}
} else {
@@ -3077,7 +3084,8 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
if (err) {
clear_inode_flag(inode, FI_NO_PREALLOC);
inode_unlock(inode);
- return err;
+ ret = err;
+ goto out;
}
}
ret = __generic_file_write_iter(iocb, from);
@@ -3091,7 +3099,9 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
f2fs_update_iostat(F2FS_I_SB(inode), APP_WRITE_IO, ret);
}
inode_unlock(inode);
-
+out:
+ trace_f2fs_file_write_iter(inode, iocb->ki_pos,
+ iov_iter_count(from), ret);
if (ret > 0)
ret = generic_write_sync(iocb, ret);
return ret;