The second argument of open_bdev_exclusive/close_bdev_exclusive takes fmode_t flags instead of mount flags. This fixes the misuse.
Signed-off-by: Ryusuke Konishi <[email protected]> --- fs/nilfs2/super.c | 10 +++++++--- 1 files changed, 7 insertions(+), 3 deletions(-) diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index f6cff39..40eb231 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -997,10 +997,14 @@ nilfs_get_sb(struct file_system_type *fs_type, int flags, { struct nilfs_super_data sd; struct super_block *s; + fmode_t mode = FMODE_READ; struct the_nilfs *nilfs; int err, need_to_close = 1; - sd.bdev = open_bdev_exclusive(dev_name, flags, fs_type); + if (!(flags & MS_RDONLY)) + mode |= FMODE_WRITE; + + sd.bdev = open_bdev_exclusive(dev_name, mode, fs_type); if (IS_ERR(sd.bdev)) return PTR_ERR(sd.bdev); @@ -1081,7 +1085,7 @@ nilfs_get_sb(struct file_system_type *fs_type, int flags, mutex_unlock(&nilfs->ns_mount_mutex); put_nilfs(nilfs); if (need_to_close) - close_bdev_exclusive(sd.bdev, flags); + close_bdev_exclusive(sd.bdev, mode); simple_set_mnt(mnt, s); return 0; @@ -1089,7 +1093,7 @@ nilfs_get_sb(struct file_system_type *fs_type, int flags, mutex_unlock(&nilfs->ns_mount_mutex); put_nilfs(nilfs); failed: - close_bdev_exclusive(sd.bdev, flags); + close_bdev_exclusive(sd.bdev, mode); return err; -- 1.6.3.4 -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
