The patch titled
Subject: 9pfs: fix filesystem to wait for stable page writeback
has been added to the -mm tree. Its filename is
9pfs-fix-filesystem-to-wait-for-stable-page-writeback.patch
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------------------------------------------------------
From: "Darrick J. Wong" <darrick.wong@xxxxxxxxxx>
Subject: 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@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Artem Bityutskiy <dedekind1@xxxxxxxxx>
Cc: Jan Kara <jack@xxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: Mark Fasheh <mfasheh@xxxxxxxx>
Cc: Steven Whitehouse <swhiteho@xxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: Eric Van Hensbergen <ericvh@xxxxxxxxx>
Cc: Ron Minnich <rminnich@xxxxxxxxxx>
Cc: Latchesar Ionkov <lucho@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/9p/vfs_file.c | 1 +
1 file changed, 1 insertion(+)
diff -puN fs/9p/vfs_file.c~9pfs-fix-filesystem-to-wait-for-stable-page-writeback fs/9p/vfs_file.c
--- a/fs/9p/vfs_file.c~9pfs-fix-filesystem-to-wait-for-stable-page-writeback
+++ a/fs/9p/vfs_file.c
@@ -620,6 +620,7 @@ v9fs_vm_page_mkwrite(struct vm_area_stru
lock_page(page);
if (page->mapping != inode->i_mapping)
goto out_unlock;
+ wait_for_stable_page(page);
return VM_FAULT_LOCKED;
out_unlock:
_
Patches currently in -mm which might be from darrick.wong@xxxxxxxxxx are
bdi-allow-block-devices-to-say-that-they-require-stable-page-writes.patch
mm-only-enforce-stable-page-writes-if-the-backing-device-requires-it.patch
9pfs-fix-filesystem-to-wait-for-stable-page-writeback.patch
block-optionally-snapshot-page-contents-to-provide-stable-pages-during-write.patch
ocfs2-wait-for-page-writeback-to-provide-stable-pages.patch
ubifs-wait-for-page-writeback-to-provide-stable-pages.patch
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