[PATCH] splice: optimize the splice buffer mapping

[mv-sheeva.git] / fs / xfs / xfs_attr.c

diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c
index 4a3f3cf6b20c523255d6ff81cb94457178af54f0..b6e1e02bbb285bd5bda5c090f4a85d6e6789494e 100644 (file)
--- a/fs/xfs/xfs_attr.c
+++ b/fs/xfs/xfs_attr.c
@@ -294,7 +294,7 @@ xfs_attr_set_int(xfs_inode_t *dp, const char *name, int namelen,
        xfs_trans_ihold(args.trans, dp);
 
        /*
-        * If the attribute list is non-existant or a shortform list,
+        * If the attribute list is non-existent or a shortform list,
         * upgrade it to a single-leaf-block attribute list.
         */
        if ((dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) ||
@@ -1584,7 +1584,7 @@ out:
  * Fill in the disk block numbers in the state structure for the buffers
  * that are attached to the state structure.
  * This is done so that we can quickly reattach ourselves to those buffers
- * after some set of transaction commit's has released these buffers.
+ * after some set of transaction commits have released these buffers.
  */
 STATIC int
 xfs_attr_fillstate(xfs_da_state_t *state)
@@ -1631,7 +1631,7 @@ xfs_attr_fillstate(xfs_da_state_t *state)
 /*
  * Reattach the buffers to the state structure based on the disk block
  * numbers stored in the state structure.
- * This is done after some set of transaction commit's has released those
+ * This is done after some set of transaction commits have released those
  * buffers from our grip.
  */
 STATIC int
@@ -1770,17 +1770,14 @@ xfs_attr_node_list(xfs_attr_list_context_t *context)
                                break;
                        case XFS_ATTR_LEAF_MAGIC:
                                leaf = bp->data;
-                               if (cursor->hashval >
-                                   INT_GET(leaf->entries[
-                                       be16_to_cpu(leaf->hdr.count)-1].hashval,
-                                                       ARCH_CONVERT)) {
+                               if (cursor->hashval > be32_to_cpu(leaf->entries[
+                                   be16_to_cpu(leaf->hdr.count)-1].hashval)) {
                                        xfs_attr_trace_l_cl("wrong blk",
                                                           context, leaf);
                                        xfs_da_brelse(NULL, bp);
                                        bp = NULL;
                                } else if (cursor->hashval <=
-                                            INT_GET(leaf->entries[0].hashval,
-                                                       ARCH_CONVERT)) {
+                                            be32_to_cpu(leaf->entries[0].hashval)) {
                                        xfs_attr_trace_l_cl("maybe wrong blk",
                                                           context, leaf);
                                        xfs_da_brelse(NULL, bp);
@@ -1828,19 +1825,17 @@ xfs_attr_node_list(xfs_attr_list_context_t *context)
                                return(XFS_ERROR(EFSCORRUPTED));
                        }
                        btree = node->btree;
-                       for (i = 0;
-                               i < INT_GET(node->hdr.count, ARCH_CONVERT);
+                       for (i = 0; i < be16_to_cpu(node->hdr.count);
                                                                btree++, i++) {
                                if (cursor->hashval
-                                               <= INT_GET(btree->hashval,
-                                                           ARCH_CONVERT)) {
-                                       cursor->blkno = INT_GET(btree->before, ARCH_CONVERT);
+                                               <= be32_to_cpu(btree->hashval)) {
+                                       cursor->blkno = be32_to_cpu(btree->before);
                                        xfs_attr_trace_l_cb("descending",
                                                            context, btree);
                                        break;
                                }
                        }
-                       if (i == INT_GET(node->hdr.count, ARCH_CONVERT)) {
+                       if (i == be16_to_cpu(node->hdr.count)) {
                                xfs_da_brelse(NULL, bp);
                                return(0);
                        }
@@ -2230,9 +2225,10 @@ xfs_attr_trace_l_cn(char *where, struct xfs_attr_list_context *context,
                                : 0,
                (__psunsigned_t)context->dupcnt,
                (__psunsigned_t)context->flags,
-               (__psunsigned_t)INT_GET(node->hdr.count, ARCH_CONVERT),
-               (__psunsigned_t)INT_GET(node->btree[0].hashval, ARCH_CONVERT),
-               (__psunsigned_t)INT_GET(node->btree[INT_GET(node->hdr.count, ARCH_CONVERT)-1].hashval, ARCH_CONVERT));
+               (__psunsigned_t)be16_to_cpu(node->hdr.count),
+               (__psunsigned_t)be32_to_cpu(node->btree[0].hashval),
+               (__psunsigned_t)be32_to_cpu(node->btree[
+                                   be16_to_cpu(node->hdr.count)-1].hashval));
 }
 
 /*
@@ -2259,8 +2255,8 @@ xfs_attr_trace_l_cb(char *where, struct xfs_attr_list_context *context,
                                : 0,
                (__psunsigned_t)context->dupcnt,
                (__psunsigned_t)context->flags,
-               (__psunsigned_t)INT_GET(btree->hashval, ARCH_CONVERT),
-               (__psunsigned_t)INT_GET(btree->before, ARCH_CONVERT),
+               (__psunsigned_t)be32_to_cpu(btree->hashval),
+               (__psunsigned_t)be32_to_cpu(btree->before),
                (__psunsigned_t)NULL);
 }
 
@@ -2289,8 +2285,9 @@ xfs_attr_trace_l_cl(char *where, struct xfs_attr_list_context *context,
                (__psunsigned_t)context->dupcnt,
                (__psunsigned_t)context->flags,
                (__psunsigned_t)be16_to_cpu(leaf->hdr.count),
-               (__psunsigned_t)INT_GET(leaf->entries[0].hashval, ARCH_CONVERT),
-               (__psunsigned_t)INT_GET(leaf->entries[be16_to_cpu(leaf->hdr.count)-1].hashval, ARCH_CONVERT));
+               (__psunsigned_t)be32_to_cpu(leaf->entries[0].hashval),
+               (__psunsigned_t)be32_to_cpu(leaf->entries[
+                               be16_to_cpu(leaf->hdr.count)-1].hashval));
 }
 
 /*