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-rw-r--r--fs/hfsplus/hfsplus_fs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h
index dc856be3c2b0..df0a6312f0f0 100644
--- a/fs/hfsplus/hfsplus_fs.h
+++ b/fs/hfsplus/hfsplus_fs.h
@@ -116,6 +116,9 @@ struct hfsplus_sb_info {
struct inode *hidden_dir;
struct nls_table *nls;
+ /* synchronize block allocations */
+ struct mutex alloc_mutex;
+
/* Runtime variables */
u32 blockoffset;
u32 sect_count;