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From: Josef Bacik <jbacik@fusionio.com>
To: <linux-btrfs@vger.kernel.org>
Subject: [PATCH] Btrfs: don't bug on enomem in readpage
Date: Fri, 5 Oct 2012 16:48:24 -0400	[thread overview]
Message-ID: <1349470104-7240-1-git-send-email-jbacik@fusionio.com> (raw)

Get rid of the BUG_ON(ret == -ENOMEM) in __extent_read_full_page.  Thanks,

Reported-by: Jérôme Poulin <jeromepoulin@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
---
 fs/btrfs/extent_io.c |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index b82d244..8c37cb6 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2751,12 +2751,15 @@ static int __extent_read_full_page(struct extent_io_tree *tree,
 					 end_bio_extent_readpage, mirror_num,
 					 *bio_flags,
 					 this_bio_flag);
-			BUG_ON(ret == -ENOMEM);
-			nr++;
-			*bio_flags = this_bio_flag;
+			if (!ret) {
+				nr++;
+				*bio_flags = this_bio_flag;
+			}
 		}
-		if (ret)
+		if (ret) {
 			SetPageError(page);
+			unlock_extent(tree, cur, cur + iosize - 1);
+		}
 		cur = cur + iosize;
 		pg_offset += iosize;
 	}
-- 
1.7.7.6


                 reply	other threads:[~2012-10-05 20:42 UTC|newest]

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