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authorBob Peterson <rpeterso@redhat.com>2020-08-19 09:24:48 -0500
committerAndreas Gruenbacher <agruenba@redhat.com>2020-10-15 14:29:04 +0200
commita6645745d45da5b3dd3ff616a3e44f7651eda9f9 (patch)
tree3662e5ba687b0d8fe99d2869b295d940cd717250 /fs/gfs2/bmap.c
parent6302d6f43e3550495747ffbaeb75a46ea8c15b32 (diff)
downloadlinux-a6645745d45da5b3dd3ff616a3e44f7651eda9f9.tar.gz
gfs2: simplify gfs2_block_map
Function gfs2_block_map had a lot of redundancy between its create and
no_create paths. This patch simplifies the code to eliminate the redundancy.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Diffstat (limited to 'fs/gfs2/bmap.c')
-rw-r--r--fs/gfs2/bmap.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index ed425d30e636..62d9081d1e26 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -1292,6 +1292,7 @@ int gfs2_block_map(struct inode *inode, sector_t lblock,
 	loff_t length = bh_map->b_size;
 	struct metapath mp = { .mp_aheight = 1, };
 	struct iomap iomap = { };
+	int flags = create ? IOMAP_WRITE : 0;
 	int ret;
 
 	clear_buffer_mapped(bh_map);
@@ -1299,15 +1300,10 @@ int gfs2_block_map(struct inode *inode, sector_t lblock,
 	clear_buffer_boundary(bh_map);
 	trace_gfs2_bmap(ip, bh_map, lblock, create, 1);
 
-	if (create) {
-		ret = gfs2_iomap_get(inode, pos, length, IOMAP_WRITE, &iomap, &mp);
-		if (!ret && iomap.type == IOMAP_HOLE)
-			ret = gfs2_iomap_alloc(inode, &iomap, &mp);
-		release_metapath(&mp);
-	} else {
-		ret = gfs2_iomap_get(inode, pos, length, 0, &iomap, &mp);
-		release_metapath(&mp);
-	}
+	ret = gfs2_iomap_get(inode, pos, length, flags, &iomap, &mp);
+	if (create && !ret && iomap.type == IOMAP_HOLE)
+		ret = gfs2_iomap_alloc(inode, &iomap, &mp);
+	release_metapath(&mp);
 	if (ret)
 		goto out;