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[GFS2] Unlock page on prepare_write try lock failure

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When the try lock of the glock failed in prepare_write we were
incorrectly exiting this function with the page still locked.
This was resulting in further I/O to this page hanging.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse 2007-02-07 10:25:59 -05:00
parent 549ae0ac3d
commit 2d72e7101c
1 changed files with 3 additions and 1 deletions
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4
fs/gfs2/ops_address.c
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@ -360,8 +360,10 @@ static int gfs2_prepare_write(struct file *file, struct page *page,
gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_ATIME|LM_FLAG_TRY_1CB, &ip->i_gh);
error = gfs2_glock_nq_atime(&ip->i_gh);
if (unlikely(error)) {
if (error == GLR_TRYFAILED)
if (error == GLR_TRYFAILED) {
unlock_page(page);
error = AOP_TRUNCATED_PAGE;
}
goto out_uninit;
}