Push BKL down into ->remount_fs()

[firefly-linux-kernel-4.4.55.git] / fs / hpfs / super.c

diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index f68193cf08113ef2e2cd9621cb0cb1d2badf768b..f2feaa06bf26c5839d0bdb7e566bc7bd9fbeea65 100644 (file)
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -13,6 +13,7 @@
 #include <linux/statfs.h>
 #include <linux/magic.h>
 #include <linux/sched.h>
+#include <linux/smp_lock.h>
 
 /* Mark the filesystem dirty, so that chkdsk checks it when os/2 booted */
 
@@ -398,6 +399,7 @@ static int hpfs_remount_fs(struct super_block *s, int *flags, char *data)
        
        *flags |= MS_NOATIME;
        
+       lock_kernel();
        lock_super(s);
        uid = sbi->sb_uid; gid = sbi->sb_gid;
        umask = 0777 & ~sbi->sb_mode;
@@ -432,10 +434,12 @@ static int hpfs_remount_fs(struct super_block *s, int *flags, char *data)
        replace_mount_options(s, new_opts);
 
        unlock_super(s);
+       unlock_kernel();
        return 0;
 
 out_err:
        unlock_super(s);
+       unlock_kernel();
        kfree(new_opts);
        return -EINVAL;
 }