Commit 13575ca1 authored Feb 21, 2013 by Darrick J. Wong Committed by Linus Torvalds Feb 21, 2013

9pfs: fix filesystem to wait for stable page writeback

Fix up the ->page_mkwrite handler to provide stable page writes if necessary.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Artem Bityutskiy <dedekind1@gmail.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 1d1d1a76

fs/9p/vfs_file.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -616,6 +616,7 @@ v9fs_vm_page_mkwrite(struct vm_area_struct vma, struct vm_fault vmf)
		lock_page(page);
		if (page->mapping != inode->i_mapping)
		goto out_unlock;
		wait_for_stable_page(page);

		return VM_FAULT_LOCKED;
		out_unlock:

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