From: Ed L Cashin <ecashin@coraid.com>
If the blockdev doesn't implement BLKFLSBUF and returns -ENOTTY we should
still go ahead and perform the VFS-level sync.
Signed-off-by: Ed L Cashin <ecashin@coraid.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/drivers/block/ioctl.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
diff -puN drivers/block/ioctl.c~fix-block-layer-ioctl-bug drivers/block/ioctl.c
--- 25/drivers/block/ioctl.c~fix-block-layer-ioctl-bug Fri Oct 1 15:13:16 2004
+++ 25-akpm/drivers/block/ioctl.c Fri Oct 1 15:13:16 2004
@@ -194,7 +194,8 @@ int blkdev_ioctl(struct inode *inode, st
return -EACCES;
if (disk->fops->ioctl) {
ret = disk->fops->ioctl(inode, file, cmd, arg);
- if (ret != -EINVAL)
+ /* -EINVAL to handle old uncorrected drivers */
+ if (ret != -EINVAL && ret != -ENOTTY)
return ret;
}
fsync_bdev(bdev);
_