[PATCH v3 02/13] xfs: return committed status from xfs_trans_roll()

[Brian Foster <bfoster@redhat.com>]

Some callers need to make error handling decisions based on whether the
current transaction successfully committed or not. Rename
xfs_trans_roll(), add a new parameter and provide a wrapper to preserve
existing callers.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_trans.c | 15 +++++++++++++--
 fs/xfs/xfs_trans.h |  1 +
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 0582a27..a0ab1da 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -1019,9 +1019,10 @@ xfs_trans_cancel(
  * chunk we've been working on and get a new transaction to continue.
  */
 int
-xfs_trans_roll(
+__xfs_trans_roll(
 	struct xfs_trans	**tpp,
-	struct xfs_inode	*dp)
+	struct xfs_inode	*dp,
+	int			*committed)
 {
 	struct xfs_trans	*trans;
 	struct xfs_trans_res	tres;
@@ -1052,6 +1053,7 @@ xfs_trans_roll(
 	if (error)
 		return error;
 
+	*committed = 1;
 	trans = *tpp;
 
 	/*
@@ -1074,3 +1076,12 @@ xfs_trans_roll(
 		xfs_trans_ijoin(trans, dp, 0);
 	return 0;
 }
+
+int
+xfs_trans_roll(
+	struct xfs_trans	**tpp,
+	struct xfs_inode	*dp)
+{
+	int			committed = 0;
+	return __xfs_trans_roll(tpp, dp, &committed);
+}
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index f48e839..ba1660b 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -225,6 +225,7 @@ void		xfs_trans_log_efd_extent(xfs_trans_t *,
 					 xfs_fsblock_t,
 					 xfs_extlen_t);
 int		xfs_trans_commit(struct xfs_trans *);
+int		__xfs_trans_roll(struct xfs_trans **, struct xfs_inode *, int *);
 int		xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
 void		xfs_trans_cancel(xfs_trans_t *);
 int		xfs_trans_ail_init(struct xfs_mount *);
-- 
2.1.0

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