xfs: clean up the xfs_alloc_compute_aligned calling convention

Pass a xfs_alloc_arg structure to xfs_alloc_compute_aligned and derive
the alignment and minlen paramters from it.  This cleans up the existing
callers, and we'll need even more information from the xfs_alloc_arg
in subsequent patches.  Based on a patch from Dave Chinner.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>

1 files changed, 13 insertions, 16 deletions

diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c
index f3227984a9bf..b5af10713dca 100644
--- a/fs/xfs/xfs_alloc.c
+++ b/fs/xfs/xfs_alloc.c
@@ -147,10 +147,9 @@ xfs_alloc_get_rec(
  */
 STATIC void
 xfs_alloc_compute_aligned(
+        xfs_alloc_arg_t *args,          /* allocation argument structure */
         xfs_agblock_t   foundbno,       /* starting block in found extent */
         xfs_extlen_t    foundlen,       /* length in found extent */
-        xfs_extlen_t    alignment,      /* alignment for allocation */
-        xfs_extlen_t    minlen,         /* minimum length for allocation */
         xfs_agblock_t   *resbno,        /* result block number */
         xfs_extlen_t    *reslen)        /* result length */
 {
@@ -158,8 +157,8 @@ xfs_alloc_compute_aligned(
         xfs_extlen_t    diff;
         xfs_extlen_t    len;
 
-        if (alignment > 1 && foundlen >= minlen) {
-                bno = roundup(foundbno, alignment);
+        if (args->alignment > 1 && foundlen >= args->minlen) {
+                bno = roundup(foundbno, args->alignment);
                 diff = bno - foundbno;
                 len = diff >= foundlen ? 0 : foundlen - diff;
         } else {
@@ -693,8 +692,7 @@ xfs_alloc_find_best_extent(
                 if (error)
                         goto error0;
                 XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
-                xfs_alloc_compute_aligned(*sbno, *slen, args->alignment,
-                                          args->minlen, &bno, slena);
+                xfs_alloc_compute_aligned(args, *sbno, *slen, &bno, slena);
 
                 /*
                  * The good extent is closer than this one.
@@ -866,8 +864,8 @@ xfs_alloc_ag_vextent_near(
                         if ((error = xfs_alloc_get_rec(cnt_cur, &ltbno, &ltlen, &i)))
                                 goto error0;
                         XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
-                        xfs_alloc_compute_aligned(ltbno, ltlen, args->alignment,
-                                        args->minlen, &ltbnoa, &ltlena);
+                        xfs_alloc_compute_aligned(args, ltbno, ltlen,
+                                                  &ltbnoa, &ltlena);
                         if (ltlena < args->minlen)
                                 continue;
                         args->len = XFS_EXTLEN_MIN(ltlena, args->maxlen);
@@ -987,8 +985,8 @@ xfs_alloc_ag_vextent_near(
                         if ((error = xfs_alloc_get_rec(bno_cur_lt, &ltbno, &ltlen, &i)))
                                 goto error0;
                         XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
-                        xfs_alloc_compute_aligned(ltbno, ltlen, args->alignment,
-                                        args->minlen, &ltbnoa, &ltlena);
+                        xfs_alloc_compute_aligned(args, ltbno, ltlen,
+                                                  &ltbnoa, &ltlena);
                         if (ltlena >= args->minlen)
                                 break;
                         if ((error = xfs_btree_decrement(bno_cur_lt, 0, &i)))
@@ -1003,8 +1001,8 @@ xfs_alloc_ag_vextent_near(
                         if ((error = xfs_alloc_get_rec(bno_cur_gt, &gtbno, &gtlen, &i)))
                                 goto error0;
                         XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
-                        xfs_alloc_compute_aligned(gtbno, gtlen, args->alignment,
-                                        args->minlen, &gtbnoa, &gtlena);
+                        xfs_alloc_compute_aligned(args, gtbno, gtlen,
+                                                  &gtbnoa, &gtlena);
                         if (gtlena >= args->minlen)
                                 break;
                         if ((error = xfs_btree_increment(bno_cur_gt, 0, &i)))
@@ -1183,8 +1181,7 @@ xfs_alloc_ag_vextent_size(
          * once aligned; if not, we search left for something better.
          * This can't happen in the second case above.
          */
-        xfs_alloc_compute_aligned(fbno, flen, args->alignment, args->minlen,
-                &rbno, &rlen);
+        xfs_alloc_compute_aligned(args, fbno, flen, &rbno, &rlen);
         rlen = XFS_EXTLEN_MIN(args->maxlen, rlen);
         XFS_WANT_CORRUPTED_GOTO(rlen == 0 ||
                         (rlen <= flen && rbno + rlen <= fbno + flen), error0);
@@ -1209,8 +1206,8 @@ xfs_alloc_ag_vextent_size(
                         XFS_WANT_CORRUPTED_GOTO(i == 1, error0);
                         if (flen < bestrlen)
                                 break;
-                        xfs_alloc_compute_aligned(fbno, flen, args->alignment,
-                                args->minlen, &rbno, &rlen);
+                        xfs_alloc_compute_aligned(args, fbno, flen,
+                                                  &rbno, &rlen);
                         rlen = XFS_EXTLEN_MIN(args->maxlen, rlen);
                         XFS_WANT_CORRUPTED_GOTO(rlen == 0 ||
                                 (rlen <= flen && rbno + rlen <= fbno + flen),