blkdev_issue_flush() may fail (i.e. due to media error on FLUSH CACHE
command execution) so its users should check for the return value.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
---
fs/reiserfs/file.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
Index: b/fs/reiserfs/file.c
===================================================================
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -140,14 +140,18 @@ static int reiserfs_sync_file(struct fil
struct inode *p_s_inode = p_s_dentry->d_inode;
int n_err;
int barrier_done;
+ int tmp_ret;
BUG_ON(!S_ISREG(p_s_inode->i_mode));
n_err = sync_mapping_buffers(p_s_inode->i_mapping);
reiserfs_write_lock(p_s_inode->i_sb);
barrier_done = reiserfs_commit_for_inode(p_s_inode);
reiserfs_write_unlock(p_s_inode->i_sb);
- if (barrier_done != 1 && reiserfs_barrier_flush(p_s_inode->i_sb))
- blkdev_issue_flush(p_s_inode->i_sb->s_bdev, NULL);
+ if (barrier_done != 1 && reiserfs_barrier_flush(p_s_inode->i_sb)) {
+ tmp_ret = blkdev_issue_flush(p_s_inode->i_sb->s_bdev, NULL);
+ if (n_err == 0 && tmp_ret < 0 && tmp_ret != -EOPNOTSUPP)
+ n_err = tmp_ret;
+ }
if (barrier_done < 0)
return barrier_done;
return (n_err < 0) ? -EIO : 0;
--
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