Commit a341d4df authored by Yan, Zheng's avatar Yan, Zheng Committed by Ilya Dryomov
Browse files

ceph: invalidate dirty pages after forced umount 



After forced umount, ceph_writepages_start() skips flushing dirty
pages. To make sure inode's reference count get dropped to zero,
we need to invalidate dirty pages.

Signed-off-by: default avatarYan, Zheng <zyan@redhat.com>
parent 48fec5d0

fs/ceph/addr.c

+2 −0
Original line number Diff line number Diff line
@@ -719,6 +719,8 @@ static int ceph_writepages_start(struct address_space *mapping, 


	if (ACCESS_ONCE(fsc->mount_state) == CEPH_MOUNT_SHUTDOWN) {

		pr_warn("writepage_start %p on forced umount\n", inode);

		truncate_pagecache(inode, 0);

		mapping_set_error(mapping, -EIO);

		return -EIO; /* we're in a forced umount, don't write! */

	}

	if (fsc->mount_options->wsize && fsc->mount_options->wsize < wsize)