I just realized I mangled some whitespace trying to mail this through
Thunderbird. I'll repost it the right way.

Shaggy

On 2/8/21 9:05 AM, Dave Kleikamp wrote:
On 2/7/21 2:32 AM, Yang Li wrote:
These functions always return '0' and no callers use the return value.
So make it a void function.

This eliminates the following coccicheck warning:
./fs/jfs/jfs_txnmgr.c:1365:5-7: Unneeded variable: "rc". Return "0" on
line 1414
./fs/jfs/jfs_txnmgr.c:1422:5-7: Unneeded variable: "rc". Return "0" on
line 1527

Reported-by: Abaci Robot <ab...@linux.alibaba.com>
Signed-off-by: Yang Li <yang....@linux.alibaba.com>
---

Changes in v2
-turn functions forward references to void type.

  fs/jfs/jfs_txnmgr.c | 32 +++++++++++++++-----------------
  1 file changed, 15 insertions(+), 17 deletions(-)

This patch missed fixing a call to txLog() which did check the return value. I took the liberty of fixing it here.


jfs: turn diLog(), dataLog() and txLog() into void functions

These functions always return '0' and no callers use the return value.
So make it a void function.

This eliminates the following coccicheck warning:
./fs/jfs/jfs_txnmgr.c:1365:5-7: Unneeded variable: "rc". Return "0" on
line 1414
./fs/jfs/jfs_txnmgr.c:1422:5-7: Unneeded variable: "rc". Return "0" on
line 1527

Reported-by: Abaci Robot <ab...@linux.alibaba.com>
Signed-off-by: Yang Li <yang....@linux.alibaba.com>
Signed-off-by: Dave Kleikamp <dave.kleik...@oracle.com>
---
  fs/jfs/jfs_txnmgr.c | 35 ++++++++++++++++-------------------
  1 file changed, 16 insertions(+), 19 deletions(-)

diff --git a/fs/jfs/jfs_txnmgr.c b/fs/jfs/jfs_txnmgr.c
index dca8edd2378c..053295cd7bc6 100644
--- a/fs/jfs/jfs_txnmgr.c
+++ b/fs/jfs/jfs_txnmgr.c
@@ -148,10 +148,10 @@ static struct {
  /*
   * forward references
   */
-static int diLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
-        struct tlock * tlck, struct commit * cd);
-static int dataLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
-        struct tlock * tlck);
+static void diLog(struct jfs_log *log, struct tblock *tblk, struct lrd *lrd,
+        struct tlock *tlck, struct commit *cd);
+static void dataLog(struct jfs_log *log, struct tblock *tblk, struct lrd *lrd,
+        struct tlock *tlck);
 static void dtLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
          struct tlock * tlck);
 static void mapLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd, @@ -159,8 +159,8 @@ static void mapLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
  static void txAllocPMap(struct inode *ip, struct maplock * maplock,
          struct tblock * tblk);
  static void txForce(struct tblock * tblk);
-static int txLog(struct jfs_log * log, struct tblock * tblk,
-        struct commit * cd);
+static void txLog(struct jfs_log *log, struct tblock *tblk,
+        struct commit *cd);
  static void txUpdateMap(struct tblock * tblk);
  static void txRelease(struct tblock * tblk);
 static void xtLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd, @@ -1256,8 +1256,7 @@ int txCommit(tid_t tid,        /* transaction identifier */
       *
       * txUpdateMap() resets XAD_NEW in XAD.
       */
-    if ((rc = txLog(log, tblk, &cd)))
-        goto TheEnd;
+    txLog(log, tblk, &cd);
       /*
       * Ensure that inode isn't reused before
@@ -1365,9 +1364,8 @@ int txCommit(tid_t tid,        /* transaction identifier */
   *
   * RETURN :
   */
-static int txLog(struct jfs_log * log, struct tblock * tblk, struct commit * cd) +static void txLog(struct jfs_log *log, struct tblock *tblk, struct commit *cd)
  {
-    int rc = 0;
      struct inode *ip;
      lid_t lid;
      struct tlock *tlck;
@@ -1414,7 +1412,7 @@ static int txLog(struct jfs_log * log, struct tblock * tblk, struct commit * cd)
          }
      }
  -    return rc;
+    return;
  }
   /*
@@ -1422,10 +1420,9 @@ static int txLog(struct jfs_log * log, struct tblock * tblk, struct commit * cd)
   *
   * function:    log inode tlock and format maplock to update bmap;
   */
-static int diLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
-         struct tlock * tlck, struct commit * cd)
+static void diLog(struct jfs_log *log, struct tblock *tblk, struct lrd *lrd,
+         struct tlock *tlck, struct commit *cd)
  {
-    int rc = 0;
      struct metapage *mp;
      pxd_t *pxd;
      struct pxd_lock *pxdlock;
@@ -1527,7 +1524,7 @@ static int diLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
      }
  #endif                /* _JFS_WIP */
  -    return rc;
+    return;
  }
   /*
@@ -1535,8 +1532,8 @@ static int diLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
   *
   * function:    log data tlock
   */
-static int dataLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
-        struct tlock * tlck)
+static void dataLog(struct jfs_log *log, struct tblock *tblk, struct lrd *lrd,
+        struct tlock *tlck)
  {
      struct metapage *mp;
      pxd_t *pxd;
@@ -1562,7 +1559,7 @@ static int dataLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
          metapage_homeok(mp);
          discard_metapage(mp);
          tlck->mp = NULL;
-        return 0;
+        return;
      }
       PXDaddress(pxd, mp->index);
@@ -1573,7 +1570,7 @@ static int dataLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
      /* mark page as homeward bound */
      tlck->flag |= tlckWRITEPAGE;
  -    return 0;
+    return;
  }
   /*

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