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From: David Sterba <dsterba@suse.cz>
To: linux-btrfs@vger.kernel.org
Cc: David Sterba <dsterba@suse.cz>
Subject: [PATCH] btrfs-progs: readahead errors are not fatal
Date: Wed, 27 Aug 2014 19:47:45 +0200	[thread overview]
Message-ID: <1409161665-28234-1-git-send-email-dsterba@suse.cz> (raw)

Kill the BUG_ON.

Signed-off-by: David Sterba <dsterba@suse.cz>
---
 disk-io.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/disk-io.c b/disk-io.c
index 8db0335bc81b..7ddd4b90836f 100644
--- a/disk-io.c
+++ b/disk-io.c
@@ -152,7 +152,8 @@ int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize,
 	length = blocksize;
 	ret = btrfs_map_block(&root->fs_info->mapping_tree, READ,
 			      bytenr, &length, &multi, 0, NULL);
-	BUG_ON(ret);
+	if (ret)
+		return 0
 	device = multi->stripes[0].dev;
 	device->total_ios++;
 	blocksize = min(blocksize, (u32)(64 * 1024));
-- 
1.9.0


             reply	other threads:[~2014-08-27 17:47 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-27 17:47 David Sterba [this message]
2014-08-27 18:16 ` [PATCH] btrfs-progs: readahead errors are not fatal Zach Brown
2014-08-29 14:38   ` David Sterba

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