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| author | Jan Kara <jack@suse.cz> | 2012-07-09 23:40:46 +0200 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2012-07-09 23:40:46 +0200 |
| commit | 44f4f729e7a143b08bd63c33cb78b3181d9f4716 (patch) | |
| tree | 6a49af7fcbc83b7eec5b98cbb2ac614ed3191309 /fs/ext3 | |
| parent | 349ecd6a3c0e4f97fa4dc6bd3917455ccc106d23 (diff) | |
| download | lwn-44f4f729e7a143b08bd63c33cb78b3181d9f4716.tar.gz lwn-44f4f729e7a143b08bd63c33cb78b3181d9f4716.zip | |
ext3: Check return value of blkdev_issue_flush()
blkdev_issue_flush() can fail. Make sure the error gets properly propagated.
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext3')
| -rw-r--r-- | fs/ext3/fsync.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c index d4dff278cbd8..b31dbd4c46ad 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; |