On Wed, Jun 25, 2014 at 10:36:02PM +0100, Filipe David Borba Manana wrote: > This change is based on the corresponding recent change for ext4: > > ext4: atomically set inode->i_flags in ext4_set_inode_flags() > > That has the following commit message that applies to btrfs as well: > > "Use cmpxchg() to atomically set i_flags instead of clearing out the > S_IMMUTABLE, S_APPEND, etc. flags and then setting them from the > EXT4_IMMUTABLE_FL, EXT4_APPEND_FL flags, since this opens up a race > where an immutable file has the immutable flag cleared for a brief > window of time." > > Replacing EXT4_IMMUTABLE_FL and EXT4_APPEND_FL with BTRFS_INODE_IMMUTABLE > and BTRFS_INODE_APPEND, respectively. > > Signed-off-by: Filipe David Borba Manana <[email protected]>
Reviewed-by: David Sterba <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
