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authorDarrick J. Wong <[email protected]>2013-02-21 16:42:53 -0800
committerLinus Torvalds <[email protected]>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 <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Artem Bityutskiy <[email protected]> Cc: Jan Kara <[email protected]> Cc: Joel Becker <[email protected]> Cc: Mark Fasheh <[email protected]> Cc: Steven Whitehouse <[email protected]> Cc: Jens Axboe <[email protected]> Cc: Eric Van Hensbergen <[email protected]> Cc: Ron Minnich <[email protected]> Cc: Latchesar Ionkov <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-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 7a3399767570..c921ac92ea4c 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: