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Commit a341d4df authored Jul 01, 2015 by Yan, Zheng Committed by Ilya Dryomov Sep 08, 2015

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: Yan, 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)