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authorDarrick J. Wong <darrick.wong@oracle.com>2013-02-21 16:42:53 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-21 17:22:19 -0800
commit13575ca14fcdacd1ad914d00bc63eb4d96280986 (patch)
treec7abab7927520b156008db1986f1490d256960b3
parent1d1d1a767206fbe5d4c69493b7e6d2a8d08cc0a0 (diff)
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>
-rw-r--r--fs/9p/vfs_file.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 7a339976757..c921ac92ea4 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -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: