Messages in this thread Patch in this message |  | | | Subject | [PATCH 2/7] fs: block_page_mkwrite should wait for writeback to finish | | From | "Darrick J. Wong" <> | | Date | Mon, 09 May 2011 16:03:34 -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 a08bb8e..cf9a795 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2361,6 +2361,7 @@ block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, if (!ret) ret = block_commit_write(page, 0, end); + wait_on_page_writeback(page); if (unlikely(ret)) { unlock_page(page); if (ret == -ENOMEM)
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