jfs: le*_add_cpu conversion

replace all:
little_endian_variable = cpu_to_leX(leX_to_cpu(little_endian_variable) +
                                        expression_in_cpu_byteorder);
with:
        leX_add_cpu(&little_endian_variable, expression_in_cpu_byteorder);
generated with semantic patch

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Cc: jfs-discussion@lists.sourceforge.net

3 files changed, 19 insertions, 33 deletions

diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c
index e1985066b1c..2bc7d8aa574 100644
--- a/fs/jfs/jfs_dmap.c
+++ b/fs/jfs/jfs_dmap.c
@@ -2172,7 +2172,7 @@ static void dbAllocBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
         }
 
         /* update the free count for this dmap */
-        dp->nfree = cpu_to_le32(le32_to_cpu(dp->nfree) - nblocks);
+        le32_add_cpu(&dp->nfree, -nblocks);
 
         BMAP_LOCK(bmp);
 
@@ -2316,7 +2316,7 @@ static int dbFreeBits(struct bmap * bmp, struct dmap * dp, s64 blkno,
 
         /* update the free count for this dmap.
          */
-        dp->nfree = cpu_to_le32(le32_to_cpu(dp->nfree) + nblocks);
+        le32_add_cpu(&dp->nfree, nblocks);
 
         BMAP_LOCK(bmp);
 
@@ -3226,7 +3226,7 @@ static int dbAllocDmapBU(struct bmap * bmp, struct dmap * dp, s64 blkno,
         }
 
         /* update the free count for this dmap */
-        dp->nfree = cpu_to_le32(le32_to_cpu(dp->nfree) - nblocks);
+        le32_add_cpu(&dp->nfree, -nblocks);
 
         /* reconstruct summary tree */
         dbInitDmapTree(dp);
@@ -3660,9 +3660,8 @@ static int dbInitDmap(struct dmap * dp, s64 Blkno, int nblocks)
                         goto initTree;
                 }
         } else {
-                dp->nblocks =
-                    cpu_to_le32(le32_to_cpu(dp->nblocks) + nblocks);
-                dp->nfree = cpu_to_le32(le32_to_cpu(dp->nfree) + nblocks);
+                le32_add_cpu(&dp->nblocks, nblocks);
+                le32_add_cpu(&dp->nfree, nblocks);
         }
 
         /* word number containing start block number */
diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c
index 9bf29f77173..734ec916bea 100644
--- a/fs/jfs/jfs_imap.c
+++ b/fs/jfs/jfs_imap.c
@@ -1019,8 +1019,7 @@ int diFree(struct inode *ip)
                 /* update the free inode counts at the iag, ag and
                  * map level.
                  */
-                iagp->nfreeinos =
-                    cpu_to_le32(le32_to_cpu(iagp->nfreeinos) + 1);
+                le32_add_cpu(&iagp->nfreeinos, 1);
                 imap->im_agctl[agno].numfree += 1;
                 atomic_inc(&imap->im_numfree);
 
@@ -1219,9 +1218,8 @@ int diFree(struct inode *ip)
         /* update the number of free inodes and number of free extents
          * for the iag.
          */
-        iagp->nfreeinos = cpu_to_le32(le32_to_cpu(iagp->nfreeinos) -
-                                      (INOSPEREXT - 1));
-        iagp->nfreeexts = cpu_to_le32(le32_to_cpu(iagp->nfreeexts) + 1);
+        le32_add_cpu(&iagp->nfreeinos, -(INOSPEREXT - 1));
+        le32_add_cpu(&iagp->nfreeexts, 1);
 
         /* update the number of free inodes and backed inodes
          * at the ag and inode map level.
@@ -2124,7 +2122,7 @@ static int diAllocBit(struct inomap * imap, struct iag * iagp, int ino)
         /* update the free inode count at the iag, ag, inode
          * map levels.
          */
-        iagp->nfreeinos = cpu_to_le32(le32_to_cpu(iagp->nfreeinos) - 1);
+        le32_add_cpu(&iagp->nfreeinos, -1);
         imap->im_agctl[agno].numfree -= 1;
         atomic_dec(&imap->im_numfree);
 
@@ -2378,9 +2376,8 @@ static int diNewExt(struct inomap * imap, struct iag * iagp, int extno)
         /* update the free inode and free extent counts for the
          * iag.
          */
-        iagp->nfreeinos = cpu_to_le32(le32_to_cpu(iagp->nfreeinos) +
-                                      (INOSPEREXT - 1));
-        iagp->nfreeexts = cpu_to_le32(le32_to_cpu(iagp->nfreeexts) - 1);
+        le32_add_cpu(&iagp->nfreeinos, (INOSPEREXT - 1));
+        le32_add_cpu(&iagp->nfreeexts, -1);
 
         /* update the free and backed inode counts for the ag.
          */
diff --git a/fs/jfs/jfs_xtree.c b/fs/jfs/jfs_xtree.c
index a000aaa7513..5a61ebf2cbc 100644
--- a/fs/jfs/jfs_xtree.c
+++ b/fs/jfs/jfs_xtree.c
@@ -905,8 +905,7 @@ int xtInsert(tid_t tid,		/* transaction id */
         XT_PUTENTRY(xad, xflag, xoff, xlen, xaddr);
 
         /* advance next available entry index */
-        p->header.nextindex =
-            cpu_to_le16(le16_to_cpu(p->header.nextindex) + 1);
+        le16_add_cpu(&p->header.nextindex, 1);
 
         /* Don't log it if there are no links to the file */
         if (!test_cflag(COMMIT_Nolink, ip)) {
@@ -997,8 +996,7 @@ xtSplitUp(tid_t tid,
                             split->addr);
 
                 /* advance next available entry index */
-                sp->header.nextindex =
-                    cpu_to_le16(le16_to_cpu(sp->header.nextindex) + 1);
+                le16_add_cpu(&sp->header.nextindex, 1);
 
                 /* Don't log it if there are no links to the file */
                 if (!test_cflag(COMMIT_Nolink, ip)) {
@@ -1167,9 +1165,7 @@ xtSplitUp(tid_t tid,
                                     JFS_SBI(ip->i_sb)->nbperpage, rcbn);
 
                         /* advance next available entry index. */
-                        sp->header.nextindex =
-                            cpu_to_le16(le16_to_cpu(sp->header.nextindex) +
-                                        1);
+                        le16_add_cpu(&sp->header.nextindex, 1);
 
                         /* Don't log it if there are no links to the file */
                         if (!test_cflag(COMMIT_Nolink, ip)) {
@@ -1738,8 +1734,7 @@ int xtExtend(tid_t tid,		/* transaction id */
                 XT_PUTENTRY(xad, XAD_NEW, xoff, len, xaddr);
 
                 /* advance next available entry index */
-                p->header.nextindex =
-                    cpu_to_le16(le16_to_cpu(p->header.nextindex) + 1);
+                le16_add_cpu(&p->header.nextindex, 1);
         }
 
         /* get back old entry */
@@ -1905,8 +1900,7 @@ printf("xtTailgate: xoff:0x%lx xlen:0x%x xaddr:0x%lx\n",
                 XT_PUTENTRY(xad, XAD_NEW, xoff, xlen, xaddr);
 
                 /* advance next available entry index */
-                p->header.nextindex =
-                    cpu_to_le16(le16_to_cpu(p->header.nextindex) + 1);
+                le16_add_cpu(&p->header.nextindex, 1);
         }
 
         /* get back old XAD */
@@ -2567,8 +2561,7 @@ int xtAppend(tid_t tid,		/* transaction id */
         XT_PUTENTRY(xad, xflag, xoff, xlen, xaddr);
 
         /* advance next available entry index */
-        p->header.nextindex =
-            cpu_to_le16(le16_to_cpu(p->header.nextindex) + 1);
+        le16_add_cpu(&p->header.nextindex, 1);
 
         xtlck->lwm.offset =
             (xtlck->lwm.offset) ? min(index,(int) xtlck->lwm.offset) : index;
@@ -2631,8 +2624,7 @@ int xtDelete(tid_t tid, struct inode *ip, s64 xoff, s32 xlen, int flag)
          * delete the entry from the leaf page
          */
         nextindex = le16_to_cpu(p->header.nextindex);
-        p->header.nextindex =
-            cpu_to_le16(le16_to_cpu(p->header.nextindex) - 1);
+        le16_add_cpu(&p->header.nextindex, -1);
 
         /*
          * if the leaf page bocome empty, free the page
@@ -2795,9 +2787,7 @@ xtDeleteUp(tid_t tid, struct inode *ip,
                                         (nextindex - index -
                                          1) << L2XTSLOTSIZE);
 
-                        p->header.nextindex =
-                            cpu_to_le16(le16_to_cpu(p->header.nextindex) -
-                                        1);
+                        le16_add_cpu(&p->header.nextindex, -1);
                         jfs_info("xtDeleteUp(entry): 0x%lx[%d]",
                                  (ulong) parent->bn, index);
                 }