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Diffstat (limited to 'fs/btrfs/extent_map.c')
-rw-r--r--fs/btrfs/extent_map.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 54e111b5fa..24a048210b 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -5,7 +5,6 @@
#include <linux/spinlock.h>
#include "messages.h"
#include "ctree.h"
-#include "volumes.h"
#include "extent_map.h"
#include "compression.h"
#include "btrfs_inode.h"
@@ -16,8 +15,7 @@ static struct kmem_cache *extent_map_cache;
int __init extent_map_init(void)
{
extent_map_cache = kmem_cache_create("btrfs_extent_map",
- sizeof(struct extent_map), 0,
- SLAB_MEM_SPREAD, NULL);
+ sizeof(struct extent_map), 0, 0, NULL);
if (!extent_map_cache)
return -ENOMEM;
return 0;
@@ -539,7 +537,8 @@ static noinline int merge_extent_mapping(struct extent_map_tree *em_tree,
u64 end;
u64 start_diff;
- BUG_ON(map_start < em->start || map_start >= extent_map_end(em));
+ if (map_start < em->start || map_start >= extent_map_end(em))
+ return -EINVAL;
if (existing->start > map_start) {
next = existing;
@@ -630,13 +629,13 @@ int btrfs_add_extent_mapping(struct btrfs_fs_info *fs_info,
*/
ret = merge_extent_mapping(em_tree, existing,
em, start);
- if (ret) {
+ if (WARN_ON(ret)) {
free_extent_map(em);
*em_in = NULL;
- WARN_ONCE(ret,
-"unexpected error %d: merge existing(start %llu len %llu) with em(start %llu len %llu)\n",
- ret, existing->start, existing->len,
- orig_start, orig_len);
+ btrfs_warn(fs_info,
+"extent map merge error existing [%llu, %llu) with em [%llu, %llu) start %llu",
+ existing->start, extent_map_end(existing),
+ orig_start, orig_start + orig_len, start);
}
free_extent_map(existing);
}