blkdev_issue_flush() can fail. Make sure the error gets properly propagated.
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
fs/ext3/fsync.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
I have queued this patch in my tree and plan to send it to Linus in the
next merge window.
diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c
index d4dff27..b31dbd4 100644
--- a/fs/ext3/fsync.c
+++ b/fs/ext3/fsync.c
@@ -92,8 +92,13 @@ int ext3_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
* disk caches manually so that data really is on persistent
* storage
*/
- if (needs_barrier)
- blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ if (needs_barrier) {
+ int err;
+
+ err = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ if (!ret)
+ ret = err;
+ }
out:
trace_ext3_sync_file_exit(inode, ret);
return ret;
--
1.7.1
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