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-rw-r--r--fs/xfs/xfs_bmap.c93
-rw-r--r--fs/xfs/xfs_bmap.h4
2 files changed, 47 insertions, 50 deletions
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index e2eb3ba5b420..68edf99bfad6 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -2013,18 +2013,18 @@ xfs_bmap_adjacent(
 	 * If allocating at eof, and there's a previous real block,
 	 * try to use its last block as our starting point.
 	 */
-	if (ap->eof && ap->prevp->br_startoff != NULLFILEOFF &&
-	    !isnullstartblock(ap->prevp->br_startblock) &&
-	    ISVALID(ap->prevp->br_startblock + ap->prevp->br_blockcount,
-		    ap->prevp->br_startblock)) {
-		ap->rval = ap->prevp->br_startblock + ap->prevp->br_blockcount;
+	if (ap->eof && ap->prev.br_startoff != NULLFILEOFF &&
+	    !isnullstartblock(ap->prev.br_startblock) &&
+	    ISVALID(ap->prev.br_startblock + ap->prev.br_blockcount,
+		    ap->prev.br_startblock)) {
+		ap->rval = ap->prev.br_startblock + ap->prev.br_blockcount;
 		/*
 		 * Adjust for the gap between prevp and us.
 		 */
 		adjust = ap->off -
-			(ap->prevp->br_startoff + ap->prevp->br_blockcount);
+			(ap->prev.br_startoff + ap->prev.br_blockcount);
 		if (adjust &&
-		    ISVALID(ap->rval + adjust, ap->prevp->br_startblock))
+		    ISVALID(ap->rval + adjust, ap->prev.br_startblock))
 			ap->rval += adjust;
 	}
 	/*
@@ -2042,17 +2042,17 @@ xfs_bmap_adjacent(
 		 * If there's a previous (left) block, select a requested
 		 * start block based on it.
 		 */
-		if (ap->prevp->br_startoff != NULLFILEOFF &&
-		    !isnullstartblock(ap->prevp->br_startblock) &&
-		    (prevbno = ap->prevp->br_startblock +
-			       ap->prevp->br_blockcount) &&
-		    ISVALID(prevbno, ap->prevp->br_startblock)) {
+		if (ap->prev.br_startoff != NULLFILEOFF &&
+		    !isnullstartblock(ap->prev.br_startblock) &&
+		    (prevbno = ap->prev.br_startblock +
+			       ap->prev.br_blockcount) &&
+		    ISVALID(prevbno, ap->prev.br_startblock)) {
 			/*
 			 * Calculate gap to end of previous block.
 			 */
 			adjust = prevdiff = ap->off -
-				(ap->prevp->br_startoff +
-				 ap->prevp->br_blockcount);
+				(ap->prev.br_startoff +
+				 ap->prev.br_blockcount);
 			/*
 			 * Figure the startblock based on the previous block's
 			 * end and the gap size.
@@ -2063,7 +2063,7 @@ xfs_bmap_adjacent(
 			 */
 			if (prevdiff <= XFS_ALLOC_GAP_UNITS * ap->alen &&
 			    ISVALID(prevbno + prevdiff,
-				    ap->prevp->br_startblock))
+				    ap->prev.br_startblock))
 				prevbno += adjust;
 			else
 				prevdiff += adjust;
@@ -2084,16 +2084,16 @@ xfs_bmap_adjacent(
 		 * If there's a following (right) block, select a requested
 		 * start block based on it.
 		 */
-		if (!isnullstartblock(ap->gotp->br_startblock)) {
+		if (!isnullstartblock(ap->got.br_startblock)) {
 			/*
 			 * Calculate gap to start of next block.
 			 */
-			adjust = gotdiff = ap->gotp->br_startoff - ap->off;
+			adjust = gotdiff = ap->got.br_startoff - ap->off;
 			/*
 			 * Figure the startblock based on the next block's
 			 * start and the gap size.
 			 */
-			gotbno = ap->gotp->br_startblock;
+			gotbno = ap->got.br_startblock;
 			/*
 			 * Heuristic!
 			 * If the gap is large relative to the piece we're
@@ -2151,7 +2151,7 @@ xfs_bmap_rtalloc(
 	mp = ap->ip->i_mount;
 	align = xfs_get_extsz_hint(ap->ip);
 	prod = align / mp->m_sb.sb_rextsize;
-	error = xfs_bmap_extsize_align(mp, ap->gotp, ap->prevp,
+	error = xfs_bmap_extsize_align(mp, &ap->got, &ap->prev,
 					align, 1, ap->eof, 0,
 					ap->conv, &ap->off, &ap->alen);
 	if (error)
@@ -2374,7 +2374,7 @@ xfs_bmap_btalloc(
 	mp = ap->ip->i_mount;
 	align = ap->userdata ? xfs_get_extsz_hint(ap->ip) : 0;
 	if (unlikely(align)) {
-		error = xfs_bmap_extsize_align(mp, ap->gotp, ap->prevp,
+		error = xfs_bmap_extsize_align(mp, &ap->got, &ap->prev,
 						align, 0, ap->eof, 0, ap->conv,
 						&ap->off, &ap->alen);
 		ASSERT(!error);
@@ -4619,17 +4619,17 @@ xfs_bmapi_allocate(
 	 * for in this bmap call but that wouldn't be as good.
 	 */
 	if (bma->wasdel) {
-		alen = (xfs_extlen_t)bma->gotp->br_blockcount;
-		aoff = bma->gotp->br_startoff;
+		alen = (xfs_extlen_t)bma->got.br_blockcount;
+		aoff = bma->got.br_startoff;
 		if (*lastx != NULLEXTNUM && *lastx) {
 			xfs_bmbt_get_all(xfs_iext_get_ext(ifp, *lastx - 1),
-					 bma->prevp);
+					 &bma->prev);
 		}
 	} else {
 		alen = (xfs_extlen_t)XFS_FILBLKS_MIN(bma->alen, MAXEXTLEN);
 		if (!bma->eof)
 			alen = (xfs_extlen_t)XFS_FILBLKS_MIN(alen,
-					bma->gotp->br_startoff - bma->off);
+					bma->got.br_startoff - bma->off);
 		aoff = bma->off;
 	}
 
@@ -4700,10 +4700,10 @@ xfs_bmapi_allocate(
 		(*cur)->bc_private.b.flags =
 			bma->wasdel ? XFS_BTCUR_BPRV_WASDEL : 0;
 
-	bma->gotp->br_startoff = aoff;
-	bma->gotp->br_startblock = abno;
-	bma->gotp->br_blockcount = alen;
-	bma->gotp->br_state = XFS_EXT_NORM;
+	bma->got.br_startoff = aoff;
+	bma->got.br_startblock = abno;
+	bma->got.br_blockcount = alen;
+	bma->got.br_state = XFS_EXT_NORM;
 
 	/*
 	 * A wasdelay extent has been initialized, so shouldn't be flagged
@@ -4711,14 +4711,14 @@ xfs_bmapi_allocate(
 	 */
 	if (!bma->wasdel && (flags & XFS_BMAPI_PREALLOC) &&
 	    xfs_sb_version_hasextflgbit(&mp->m_sb))
-		bma->gotp->br_state = XFS_EXT_UNWRITTEN;
+		bma->got.br_state = XFS_EXT_UNWRITTEN;
 
 	if (bma->wasdel) {
 		error = xfs_bmap_add_extent_delay_real(bma->tp, bma->ip, lastx,
-				cur, bma->gotp, firstblock, flist, logflags);
+				cur, &bma->got, firstblock, flist, logflags);
 	} else {
 		error = xfs_bmap_add_extent_hole_real(bma->tp, bma->ip, lastx,
-				cur, bma->gotp, firstblock, flist, logflags,
+				cur, &bma->got, firstblock, flist, logflags,
 				whichfork);
 	}
 
@@ -4730,13 +4730,12 @@ xfs_bmapi_allocate(
 	 * or xfs_bmap_add_extent_hole_real might have merged it into one of
 	 * the neighbouring ones.
 	 */
-	xfs_bmbt_get_all(xfs_iext_get_ext(ifp, *lastx), bma->gotp);
+	xfs_bmbt_get_all(xfs_iext_get_ext(ifp, *lastx), &bma->got);
 
-	ASSERT(bma->gotp->br_startoff <= aoff);
-	ASSERT(bma->gotp->br_startoff + bma->gotp->br_blockcount >=
-		aoff + alen);
-	ASSERT(bma->gotp->br_state == XFS_EXT_NORM ||
-	       bma->gotp->br_state == XFS_EXT_UNWRITTEN);
+	ASSERT(bma->got.br_startoff <= aoff);
+	ASSERT(bma->got.br_startoff + bma->got.br_blockcount >= aoff + alen);
+	ASSERT(bma->got.br_state == XFS_EXT_NORM ||
+	       bma->got.br_state == XFS_EXT_UNWRITTEN);
 	return 0;
 }
 
@@ -4793,7 +4792,7 @@ xfs_bmapi_convert_unwritten(
 	 * xfs_bmap_add_extent_unwritten_real might have merged it into one
 	 * of the neighbouring ones.
 	 */
-	xfs_bmbt_get_all(xfs_iext_get_ext(ifp, *lastx), bma->gotp);
+	xfs_bmbt_get_all(xfs_iext_get_ext(ifp, *lastx), &bma->got);
 
 	/*
 	 * We may have combined previously unwritten space with written space,
@@ -4837,14 +4836,12 @@ xfs_bmapi_write(
 	xfs_fileoff_t		end;		/* end of mapped file region */
 	int			eof;		/* after the end of extents */
 	int			error;		/* error return */
-	struct xfs_bmbt_irec	got;		/* current file extent record */
 	xfs_extnum_t		lastx;		/* last useful extent number */
 	int			logflags;	/* flags for transaction logging */
 	xfs_extlen_t		minleft;	/* min blocks left after allocation */
 	int			n;		/* current extent index */
 	int			nallocs;	/* number of extents alloc'd */
 	xfs_fileoff_t		obno;		/* old block number (offset) */
-	struct xfs_bmbt_irec	prev;		/* previous file extent record */
 	int			tmp_logflags;	/* temp flags holder */
 	int			whichfork;	/* data or attr fork */
 	char			inhole;		/* current location is hole in file */
@@ -4916,21 +4913,20 @@ xfs_bmapi_write(
 			goto error0;
 	}
 
-	xfs_bmap_search_extents(ip, bno, whichfork, &eof, &lastx, &got, &prev);
+	xfs_bmap_search_extents(ip, bno, whichfork, &eof, &lastx, &bma.got,
+				&bma.prev);
 	n = 0;
 	end = bno + len;
 	obno = bno;
 
 	bma.tp = tp;
 	bma.ip = ip;
-	bma.prevp = &prev;
-	bma.gotp = &got;
 	bma.total = total;
 	bma.userdata = 0;
 
 	while (bno < end && n < *nmap) {
-		inhole = eof || got.br_startoff > bno;
-		wasdelay = !inhole && isnullstartblock(got.br_startblock);
+		inhole = eof || bma.got.br_startoff > bno;
+		wasdelay = !inhole && isnullstartblock(bma.got.br_startblock);
 
 		/*
 		 * First, deal with the hole before the allocated space
@@ -4957,7 +4953,8 @@ xfs_bmapi_write(
 		}
 
 		/* Deal with the allocated space we found.  */
-		xfs_bmapi_trim_map(mval, &got, &bno, len, obno, end, n, flags);
+		xfs_bmapi_trim_map(mval, &bma.got, &bno, len, obno,
+							end, n, flags);
 
 		/* Execute unwritten extent conversion if necessary */
 		error = xfs_bmapi_convert_unwritten(&bma, mval, len, &lastx,
@@ -4981,9 +4978,9 @@ xfs_bmapi_write(
 			break;
 
 		/* Else go on to the next record. */
-		prev = got;
+		bma.prev = bma.got;
 		if (++lastx < ifp->if_bytes / sizeof(xfs_bmbt_rec_t))
-			xfs_bmbt_get_all(xfs_iext_get_ext(ifp, lastx), &got);
+			xfs_bmbt_get_all(xfs_iext_get_ext(ifp, lastx), &bma.got);
 		else
 			eof = 1;
 	}
diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h
index be235f56d2a6..6e8f8aee7cdb 100644
--- a/fs/xfs/xfs_bmap.h
+++ b/fs/xfs/xfs_bmap.h
@@ -114,8 +114,8 @@ typedef struct xfs_bmalloca {
 	xfs_fileoff_t		off;	/* offset in file filling in */
 	struct xfs_trans	*tp;	/* transaction pointer */
 	struct xfs_inode	*ip;	/* incore inode pointer */
-	struct xfs_bmbt_irec	*prevp;	/* extent before the new one */
-	struct xfs_bmbt_irec	*gotp;	/* extent after, or delayed */
+	struct xfs_bmbt_irec	prev;	/* extent before the new one */
+	struct xfs_bmbt_irec	got;	/* extent after, or delayed */
 	xfs_extlen_t		alen;	/* i/o length asked/allocated */
 	xfs_extlen_t		total;	/* total blocks needed for xaction */
 	xfs_extlen_t		minlen;	/* minimum allocation size (blocks) */
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-10-09 14:22:56 +0000