Messages in this thread Patch in this message | | | Subject | [PATCH 2/2] fs: block_page_mkwrite should wait for writeback to finish | From | "Darrick J. Wong" <> | Date | Fri, 27 May 2011 12:23:41 -0700 |
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For filesystems such as nilfs2 and xfs that use block_page_mkwrite, modify that function to wait for pending writeback before allowing the page to become writable. This is needed to stabilize pages during writeback for those two filesystems.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> --- fs/buffer.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/fs/buffer.c b/fs/buffer.c index 698c6b2..49c9aad 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2382,6 +2382,7 @@ int __block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, ret = -EAGAIN; goto out_unlock; } + wait_on_page_writeback(page); return 0; out_unlock: unlock_page(page);
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