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Merge tag 'xfs-fixes-for-linus-4.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs

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Pull xfs fix from Dave Chinner:
 "This is a fix for an unmount hang (regression) when the filesystem is
  shutdown.  It was supposed to go to you for -rc3, but I accidentally
  tagged the commit prior to it in that pullreq.

  Summary:

   - fix for aborting deferred transactions on filesystem shutdown"

* tag 'xfs-fixes-for-linus-4.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs:
  xfs: defer should abort intent items if the trans roll fails
This commit is contained in:
Linus Torvalds
2016-11-11 09:13:48 -08:00
parent 27bcd37e02 b77428b12b
commit a4fac3b5d1
1 changed files with 5 additions and 12 deletions
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17
fs/xfs/libxfs/xfs_defer.c
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@@ -199,9 +199,9 @@ xfs_defer_intake_work(
struct xfs_defer_pending *dfp;
list_for_each_entry(dfp, &dop->dop_intake, dfp_list) {
trace_xfs_defer_intake_work(tp->t_mountp, dfp);
dfp->dfp_intent = dfp->dfp_type->create_intent(tp,
dfp->dfp_count);
trace_xfs_defer_intake_work(tp->t_mountp, dfp);
list_sort(tp->t_mountp, &dfp->dfp_work,
dfp->dfp_type->diff_items);
list_for_each(li, &dfp->dfp_work)
@@ -221,21 +221,14 @@ xfs_defer_trans_abort(
struct xfs_defer_pending *dfp;
trace_xfs_defer_trans_abort(tp->t_mountp, dop);
/*
* If the transaction was committed, drop the intent reference
* since we're bailing out of here. The other reference is
* dropped when the intent hits the AIL. If the transaction
* was not committed, the intent is freed by the intent item
* unlock handler on abort.
*/
if (!dop->dop_committed)
return;
/* Abort intent items. */
/* Abort intent items that don't have a done item. */
list_for_each_entry(dfp, &dop->dop_pending, dfp_list) {
trace_xfs_defer_pending_abort(tp->t_mountp, dfp);
if (!dfp->dfp_done)
if (dfp->dfp_intent && !dfp->dfp_done) {
dfp->dfp_type->abort_intent(dfp->dfp_intent);
dfp->dfp_intent = NULL;
}
}
/* Shut down FS. */