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authorDave Chinner <dchinner@redhat.com>2011-01-27 13:23:28 +1100
committerAlex Elder <aelder@sgi.com>2011-01-28 09:05:36 -0600
commitc6f990d1ff8e4e53b12f4175eb7d7ea710c3ca73 (patch)
tree109e8d588a9a04ef52b97e751450fe0fffa88a23 /fs/xfs
parent5315837daee7ed76c31ef643915f7d76ef8c1aa3 (diff)
downloadlinux-c6f990d1ff8e4e53b12f4175eb7d7ea710c3ca73.tar.gz
xfs: handle CIl transaction commit failures correctly
Failure to commit a transaction into the CIL is not handled
correctly. This currently can only happen when racing with a
shutdown and requires an explicit shutdown check, so it rare and can
be avoided. Remove the shutdown check and make the CIL commit a void
function to indicate it will always succeed, thereby removing the
incorrectly handled failure case.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Elder <aelder@sgi.com>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/xfs_log.h2
-rw-r--r--fs/xfs/xfs_log_cil.c8
-rw-r--r--fs/xfs/xfs_trans.c5
3 files changed, 3 insertions, 12 deletions
diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h
index 916eb7db14d9..3bd3291ef8d2 100644
--- a/fs/xfs/xfs_log.h
+++ b/fs/xfs/xfs_log.h
@@ -191,7 +191,7 @@ void	  xfs_log_ticket_put(struct xlog_ticket *ticket);
 
 xlog_tid_t xfs_log_get_trans_ident(struct xfs_trans *tp);
 
-int	xfs_log_commit_cil(struct xfs_mount *mp, struct xfs_trans *tp,
+void	xfs_log_commit_cil(struct xfs_mount *mp, struct xfs_trans *tp,
 				struct xfs_log_vec *log_vector,
 				xfs_lsn_t *commit_lsn, int flags);
 bool	xfs_log_item_in_current_chkpt(struct xfs_log_item *lip);
diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
index c7eac5acbfea..9ca59be08977 100644
--- a/fs/xfs/xfs_log_cil.c
+++ b/fs/xfs/xfs_log_cil.c
@@ -625,7 +625,7 @@ out_abort:
  * background commit, returns without it held once background commits are
  * allowed again.
  */
-int
+void
 xfs_log_commit_cil(
 	struct xfs_mount	*mp,
 	struct xfs_trans	*tp,
@@ -640,11 +640,6 @@ xfs_log_commit_cil(
 	if (flags & XFS_TRANS_RELEASE_LOG_RES)
 		log_flags = XFS_LOG_REL_PERM_RESERV;
 
-	if (XLOG_FORCED_SHUTDOWN(log)) {
-		xlog_cil_free_logvec(log_vector);
-		return XFS_ERROR(EIO);
-	}
-
 	/*
 	 * do all the hard work of formatting items (including memory
 	 * allocation) outside the CIL context lock. This prevents stalling CIL
@@ -704,7 +699,6 @@ xfs_log_commit_cil(
 	 */
 	if (push)
 		xlog_cil_push(log, 0);
-	return 0;
 }
 
 /*
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 29f5e5424897..76922793f64f 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -1755,7 +1755,6 @@ xfs_trans_commit_cil(
 	int			flags)
 {
 	struct xfs_log_vec	*log_vector;
-	int			error;
 
 	/*
 	 * Get each log item to allocate a vector structure for
@@ -1766,9 +1765,7 @@ xfs_trans_commit_cil(
 	if (!log_vector)
 		return ENOMEM;
 
-	error = xfs_log_commit_cil(mp, tp, log_vector, commit_lsn, flags);
-	if (error)
-		return error;
+	xfs_log_commit_cil(mp, tp, log_vector, commit_lsn, flags);
 
 	current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS);
 	xfs_trans_free(tp);