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authorYan <yanzheng@21cn.com>2008-02-15 10:40:50 -0500
committerChris Mason <chris.mason@oracle.com>2008-09-25 11:04:00 -0400
commit39b5637f6f195852259004bb27b58e2dcf9fb378 (patch)
tree64a86c71b34fb16520a1d165b5007d814b1c1c4f /fs/btrfs/extent_io.c
parent9069218d448ea547dbad5f1cbd537e88d6519d66 (diff)
downloadop-kernel-dev-39b5637f6f195852259004bb27b58e2dcf9fb378.zip
op-kernel-dev-39b5637f6f195852259004bb27b58e2dcf9fb378.tar.gz
Btrfs: Fix "no csum found for inode" issue.
A few codes were not properly updated for changes of extent map. This may be the causes of "no csum found for inode" issue. Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/extent_io.c')
-rw-r--r--fs/btrfs/extent_io.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index fcae999..9262ab3 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2417,12 +2417,13 @@ int try_release_extent_mapping(struct extent_map_tree *map,
u64 end = start + PAGE_CACHE_SIZE - 1;
u64 orig_start = start;
int ret = 1;
-
if ((mask & __GFP_WAIT) &&
page->mapping->host->i_size > 16 * 1024 * 1024) {
+ u64 len;
while (start <= end) {
+ len = end - start + 1;
spin_lock(&map->lock);
- em = lookup_extent_mapping(map, start, end);
+ em = lookup_extent_mapping(map, start, len);
if (!em || IS_ERR(em)) {
spin_unlock(&map->lock);
break;
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