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Commit ebcb904d authored by Li Zefan's avatar Li Zefan Committed by Chris Mason
Browse files

Btrfs: fix FS_IOC_SETFLAGS ioctl 



Steps to reproduce the bug:

  - Call FS_IOC_SETLFAGS ioctl with flags=FS_COMPR_FL
  - Call FS_IOC_SETFLAGS ioctl with flags=0
  - Call FS_IOC_GETFLAGS ioctl, and you'll see FS_COMPR_FL is still set!

Signed-off-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent d0092bdd

fs/btrfs/ioctl.c

+2 −0
Original line number Diff line number Diff line
@@ -238,6 +238,8 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg) 
	} else if (flags & FS_COMPR_FL) {

		ip->flags |= BTRFS_INODE_COMPRESS;

		ip->flags &= ~BTRFS_INODE_NOCOMPRESS;

	} else {

		ip->flags &= ~(BTRFS_INODE_COMPRESS | BTRFS_INODE_NOCOMPRESS);

	}



	trans = btrfs_join_transaction(root, 1);