On 3/4/18 10:11 PM, Dave Chinner wrote: > From: Dave Chinner <dchinner@xxxxxxxxxx> > > xfs_trans_alloc() does GFP_KERNEL allocation, and we can call it > while holding pages locked for writeback in the ->writepages path. > The memory allocation is allowed to wait on pages under writeback, > and so can wait on pages that are held locked in writeback by the > caller. > > This affects both pre-IO submission and post-IO submission paths. > Hence xfs_setsize_trans_alloc(), xfs_reflink_end_cow(), > xfs_iomap_write_unwritten() and xfs_reflink_cancel_cow_range(). > xfs_iomap_write_unwritten() already does the right thing, but the > others don't. Fix them. > > Signed-Off-By: Dave Chinner <dchinner@xxxxxxxxxx> Reviewed-by: Eric Sandeen <sandeen@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
