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Btrfs: return error if the range we want to map is bogus
author
Josef Bacik
<josef@redhat.com>
Tue, 15 Mar 2011 18:52:12 +0000
(14:52 -0400)
committer
Josef Bacik
<josef@redhat.com>
Thu, 17 Mar 2011 18:21:35 +0000
(14:21 -0400)
Currently if we have corrupt metadata map_extent_buffer will complain about it,
but not return an error so the caller has no idea a problem was hit. Fix this.
Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
fs/btrfs/extent_io.c
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diff --git
a/fs/btrfs/extent_io.c
b/fs/btrfs/extent_io.c
index 714adc4ac4c24eaae26900bb9e862bc8b874432b..1bbd26b4fc5cf068c960726adeec7453768cadc4 100644
(file)
--- a/
fs/btrfs/extent_io.c
+++ b/
fs/btrfs/extent_io.c
@@
-3690,6
+3690,7
@@
int map_private_extent_buffer(struct extent_buffer *eb, unsigned long start,
"wanted %lu %lu\n", (unsigned long long)eb->start,
eb->len, start, min_len);
WARN_ON(1);
+ return -EINVAL;
}
p = extent_buffer_page(eb, i);