ext2: Add ext2_sb_info s_lock spinlock

[pandora-kernel.git] / fs / ext2 / inode.c

diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index fc13cc1..5d15442 100644 (file)
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -1407,9 +1407,11 @@ static int __ext2_write_inode(struct inode *inode, int do_sync)
                                * created, add a flag to the superblock.
                                */
                                lock_kernel();
+                               spin_lock(&EXT2_SB(sb)->s_lock);
                                ext2_update_dynamic_rev(sb);
                                EXT2_SET_RO_COMPAT_FEATURE(sb,
                                        EXT2_FEATURE_RO_COMPAT_LARGE_FILE);
+                               spin_unlock(&EXT2_SB(sb)->s_lock);
                                unlock_kernel();
                                ext2_write_super(sb);
                        }