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Off by one fix for btrfs_drop_extents

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One of my old patches introduces a new bug to
btrfs_drop_extents(changeset 275). Inline extents are not truncated
properly when "extent_end == end", it can trigger the BUG_ON at
file.c:600.  I hope I don't introduce new bug this time.

---

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Yan
2007-12-14 11:14:42 -05:00
committed by Chris Mason
parent f6dbff55d7
commit 6e3b96668e
1 changed files with 2 additions and 1 deletions
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3
fs/btrfs/file.c
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@ -481,8 +481,9 @@ next_slot:
search_start = (extent_end + mask) & ~mask; search_start = (extent_end + mask) & ~mask;
} else } else
search_start = extent_end; search_start = extent_end;
if (end < extent_end && start > key.offset && found_inline) { if (end <= extent_end && start >= key.offset && found_inline) {
*hint_byte = EXTENT_MAP_INLINE; *hint_byte = EXTENT_MAP_INLINE;
continue;
} }
if (end < extent_end && end >= key.offset) { if (end < extent_end && end >= key.offset) {
if (found_extent) { if (found_extent) {