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[XFS] correctly select first log item to push

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Under heavy metadata load we are seeing log hangs. The AIL has items in it
ready to be pushed, and they are within the push target window. However,
we are not pushing them when the last pushed LSN is less than the LSN of
the first log item on the AIL. This is a regression introduced by the AIL
push cursor modifications.

SGI-PV: 987246

SGI-Modid: xfs-linux-melb:xfs-kern:32409a

Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
David Chinner 2008-10-30 18:26:51 +11:00 committed by Lachlan McIlroy
parent 9ed0451ee0
commit 7ee49acfe5
1 changed files with 1 additions and 1 deletions
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2
fs/xfs/xfs_trans_ail.c
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@ -228,7 +228,7 @@ xfs_trans_ail_cursor_first(
list_for_each_entry(lip, &ailp->xa_ail, li_ail) {
if (XFS_LSN_CMP(lip->li_lsn, lsn) >= 0)
break;
goto out;
}
lip = NULL;
out: