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[14/14] btrfs: raid56: catch errors from full_stripe_write

Message ID 36443b465be8eb96582313c8bf75ceeb0d717a5e.1530262400.git.dsterba@suse.com (mailing list archive)
State New, archived
Headers show

Commit Message

David Sterba June 29, 2018, 8:57 a.m. UTC 
Add fall-back code to catch failure of full_stripe_write. Proper error
handling from inside run_plug would need more code restructuring as it's
called at arbitrary points by io scheduler.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/raid56.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 0840b054e4b7..84889d10d5b0 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -1683,8 +1683,11 @@  static void run_plug(struct btrfs_plug_cb *plug)
 		list_del_init(&cur->plug_list);
 
 		if (rbio_is_full(cur)) {
+			int ret;
+
 			/* we have a full stripe, send it down */
-			full_stripe_write(cur);
+			ret = full_stripe_write(cur);
+			BUG_ON(ret);
 			continue;
 		}
 		if (last) {