xfs: remove struct xfs_bmalloca dfops field

Now that bma.dfops is only assigned from ->t_dfops, replace all
accesses to the former with the latter and remove the unnecessary
field. This patch does not change behavior.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 236e773..e24c547 100644 (file)
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -1806,7 +1806,7 @@ xfs_bmap_add_extent_delay_real(
 
                if (xfs_bmap_needs_btree(bma->ip, whichfork)) {
                        error = xfs_bmap_extents_to_btree(bma->tp, bma->ip,
-                                       bma->firstblock, bma->dfops,
+                                       bma->firstblock, bma->tp->t_dfops,
                                        &bma->cur, 1, &tmp_rval, whichfork);
                        rval |= tmp_rval;
                        if (error)
@@ -1884,7 +1884,7 @@ xfs_bmap_add_extent_delay_real(
 
                if (xfs_bmap_needs_btree(bma->ip, whichfork)) {
                        error = xfs_bmap_extents_to_btree(bma->tp, bma->ip,
-                               bma->firstblock, bma->dfops, &bma->cur, 1,
+                               bma->firstblock, bma->tp->t_dfops, &bma->cur, 1,
                                &tmp_rval, whichfork);
                        rval |= tmp_rval;
                        if (error)
@@ -1965,8 +1965,8 @@ xfs_bmap_add_extent_delay_real(
 
                if (xfs_bmap_needs_btree(bma->ip, whichfork)) {
                        error = xfs_bmap_extents_to_btree(bma->tp, bma->ip,
-                                       bma->firstblock, bma->dfops, &bma->cur,
-                                       1, &tmp_rval, whichfork);
+                                       bma->firstblock, bma->tp->t_dfops,
+                                       &bma->cur, 1, &tmp_rval, whichfork);
                        rval |= tmp_rval;
                        if (error)
                                goto done;
@@ -1991,7 +1991,7 @@ xfs_bmap_add_extent_delay_real(
 
        /* add reverse mapping unless caller opted out */
        if (!(bma->flags & XFS_BMAPI_NORMAP)) {
-               error = xfs_rmap_map_extent(mp, bma->dfops, bma->ip,
+               error = xfs_rmap_map_extent(mp, bma->tp->t_dfops, bma->ip,
                                whichfork, new);
                if (error)
                        goto done;
@@ -2003,7 +2003,7 @@ xfs_bmap_add_extent_delay_real(
 
                ASSERT(bma->cur == NULL);
                error = xfs_bmap_extents_to_btree(bma->tp, bma->ip,
-                               bma->firstblock, bma->dfops, &bma->cur,
+                               bma->firstblock, bma->tp->t_dfops, &bma->cur,
                                da_old > 0, &tmp_logflags, whichfork);
                bma->logflags |= tmp_logflags;
                if (error)
@@ -3480,7 +3480,7 @@ xfs_bmap_btalloc(
                        error = xfs_bmap_btalloc_nullfb(ap, &args, &blen);
                if (error)
                        return error;
-       } else if (ap->dfops->dop_low) {
+       } else if (ap->tp->t_dfops->dop_low) {
                if (xfs_inode_is_filestream(ap->ip))
                        args.type = XFS_ALLOCTYPE_FIRST_AG;
                else
@@ -3515,7 +3515,7 @@ xfs_bmap_btalloc(
         * is >= the stripe unit and the allocation offset is
         * at the end of file.
         */
-       if (!ap->dfops->dop_low && ap->aeof) {
+       if (!ap->tp->t_dfops->dop_low && ap->aeof) {
                if (!ap->offset) {
                        args.alignment = stripe_align;
                        atype = args.type;
@@ -3607,7 +3607,7 @@ xfs_bmap_btalloc(
                args.total = ap->minlen;
                if ((error = xfs_alloc_vextent(&args)))
                        return error;
-               ap->dfops->dop_low = true;
+               ap->tp->t_dfops->dop_low = true;
        }
        if (args.fsbno != NULLFSBLOCK) {
                /*
@@ -4082,7 +4082,7 @@ xfs_bmapi_allocate(
        if ((ifp->if_flags & XFS_IFBROOT) && !bma->cur) {
                bma->cur = xfs_bmbt_init_cursor(mp, bma->tp, bma->ip, whichfork);
                bma->cur->bc_private.b.firstblock = *bma->firstblock;
-               bma->cur->bc_private.b.dfops = bma->dfops;
+               bma->cur->bc_private.b.dfops = bma->tp->t_dfops;
        }
        /*
         * Bump the number of extents we've allocated
@@ -4118,8 +4118,8 @@ xfs_bmapi_allocate(
        else
                error = xfs_bmap_add_extent_hole_real(bma->tp, bma->ip,
                                whichfork, &bma->icur, &bma->cur, &bma->got,
-                               bma->firstblock, bma->dfops, &bma->logflags,
-                               bma->flags);
+                               bma->firstblock, bma->tp->t_dfops,
+                               &bma->logflags, bma->flags);
 
        bma->logflags |= tmp_logflags;
        if (error)
@@ -4171,7 +4171,7 @@ xfs_bmapi_convert_unwritten(
                bma->cur = xfs_bmbt_init_cursor(bma->ip->i_mount, bma->tp,
                                        bma->ip, whichfork);
                bma->cur->bc_private.b.firstblock = *bma->firstblock;
-               bma->cur->bc_private.b.dfops = bma->dfops;
+               bma->cur->bc_private.b.dfops = bma->tp->t_dfops;
        }
        mval->br_state = (mval->br_state == XFS_EXT_UNWRITTEN)
                                ? XFS_EXT_NORM : XFS_EXT_UNWRITTEN;
@@ -4189,7 +4189,7 @@ xfs_bmapi_convert_unwritten(
 
        error = xfs_bmap_add_extent_unwritten_real(bma->tp, bma->ip, whichfork,
                        &bma->icur, &bma->cur, mval, bma->firstblock,
-                       bma->dfops, &tmp_logflags);
+                       bma->tp->t_dfops, &tmp_logflags);
        /*
         * Log the inode core unconditionally in the unwritten extent conversion
         * path because the conversion might not have done so (e.g., if the
@@ -4336,8 +4336,8 @@ xfs_bmapi_write(
        bma.ip = ip;
        bma.total = total;
        bma.datatype = 0;
-       bma.dfops = tp ? tp->t_dfops : NULL;
        bma.firstblock = firstblock;
+       ASSERT(!tp || tp->t_dfops);
 
        while (bno < end && n < *nmap) {
                bool                    need_alloc = false, wasdelay = false;

diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h
index 2728e98..5602356 100644 (file)
--- a/fs/xfs/libxfs/xfs_bmap.h
+++ b/fs/xfs/libxfs/xfs_bmap.h
@@ -20,7 +20,6 @@ extern kmem_zone_t    *xfs_bmap_free_item_zone;
  */
 struct xfs_bmalloca {
        xfs_fsblock_t           *firstblock; /* i/o first block allocated */
-       struct xfs_defer_ops    *dfops; /* bmap freelist */
        struct xfs_trans        *tp;    /* transaction pointer */
        struct xfs_inode        *ip;    /* incore inode pointer */
        struct xfs_bmbt_irec    prev;   /* extent before the new one */

diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c
index 2d2c5ab..56a3999 100644 (file)
--- a/fs/xfs/xfs_filestream.c
+++ b/fs/xfs/xfs_filestream.c
@@ -19,6 +19,7 @@
 #include "xfs_filestream.h"
 #include "xfs_trace.h"
 #include "xfs_ag_resv.h"
+#include "xfs_trans.h"
 
 struct xfs_fstrm_item {
        struct xfs_mru_cache_elem       mru;
@@ -377,7 +378,7 @@ xfs_filestream_new_ag(
 
        if (xfs_alloc_is_userdata(ap->datatype))
                flags |= XFS_PICK_USERDATA;
-       if (ap->dfops->dop_low)
+       if (ap->tp->t_dfops->dop_low)
                flags |= XFS_PICK_LOWSPACE;
 
        err = xfs_filestream_pick_ag(pip, startag, agp, flags, minlen);