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Diffstat (limited to 'fs/hfsplus/extents.c')
-rw-r--r--fs/hfsplus/extents.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index 3c572e44f2ad..9c51867dddc5 100644
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -430,7 +430,8 @@ int hfsplus_free_fork(struct super_block *sb, u32 cnid,
hfsplus_free_extents(sb, ext_entry, total_blocks - start,
total_blocks);
total_blocks = start;
- mutex_lock(&fd.tree->tree_lock);
+ mutex_lock_nested(&fd.tree->tree_lock,
+ hfsplus_btree_lock_class(fd.tree));
} while (total_blocks > blocks);
hfs_find_exit(&fd);
@@ -592,7 +593,8 @@ void hfsplus_file_truncate(struct inode *inode)
alloc_cnt, alloc_cnt - blk_cnt);
hfsplus_dump_extent(hip->first_extents);
hip->first_blocks = blk_cnt;
- mutex_lock(&fd.tree->tree_lock);
+ mutex_lock_nested(&fd.tree->tree_lock,
+ hfsplus_btree_lock_class(fd.tree));
break;
}
res = __hfsplus_ext_cache_extent(&fd, inode, alloc_cnt);
@@ -606,7 +608,8 @@ void hfsplus_file_truncate(struct inode *inode)
hfsplus_free_extents(sb, hip->cached_extents,
alloc_cnt - start, alloc_cnt - blk_cnt);
hfsplus_dump_extent(hip->cached_extents);
- mutex_lock(&fd.tree->tree_lock);
+ mutex_lock_nested(&fd.tree->tree_lock,
+ hfsplus_btree_lock_class(fd.tree));
if (blk_cnt > start) {
hip->extent_state |= HFSPLUS_EXT_DIRTY;
break;