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authorChristoph Hellwig <hch@lst.de>2010-10-06 10:47:23 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2010-10-25 21:18:20 -0400
commitebdec241d509cf69f6ebf1ecdc036359d3dbe154 (patch)
treee3c23f9b213936cb8501c83f55522a01f4a69aca /fs/gfs2
parent56b0dacfa2b8416815a2f2a5f4f51e46be4cf14c (diff)
downloadlinux-ebdec241d509cf69f6ebf1ecdc036359d3dbe154.tar.gz
fs: kill block_prepare_write
__block_write_begin and block_prepare_write are identical except for slightly
different calling conventions.  Convert all callers to the __block_write_begin
calling conventions and drop block_prepare_write.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/aops.c3
-rw-r--r--fs/gfs2/ops_inode.c6
2 files changed, 4 insertions, 5 deletions
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 6b24afb96aae..4f36f8832b9b 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -618,7 +618,6 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
 	struct gfs2_alloc *al = NULL;
 	pgoff_t index = pos >> PAGE_CACHE_SHIFT;
 	unsigned from = pos & (PAGE_CACHE_SIZE - 1);
-	unsigned to = from + len;
 	struct page *page;
 
 	gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &ip->i_gh);
@@ -691,7 +690,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
 	}
 
 prepare_write:
-	error = block_prepare_write(page, from, to, gfs2_block_map);
+	error = __block_write_begin(page, from, len, gfs2_block_map);
 out:
 	if (error == 0)
 		return 0;
diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index 0534510200d5..48a274f1674c 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -1294,7 +1294,7 @@ static int write_empty_blocks(struct page *page, unsigned from, unsigned to)
 	int error;
 
 	if (!page_has_buffers(page)) {
-		error = block_prepare_write(page, from, to, gfs2_block_map);
+		error = __block_write_begin(page, from, to - from, gfs2_block_map);
 		if (unlikely(error))
 			return error;
 
@@ -1313,7 +1313,7 @@ static int write_empty_blocks(struct page *page, unsigned from, unsigned to)
 		next += bh->b_size;
 		if (buffer_mapped(bh)) {
 			if (end) {
-				error = block_prepare_write(page, start, end,
+				error = __block_write_begin(page, start, end - start,
 							    gfs2_block_map);
 				if (unlikely(error))
 					return error;
@@ -1328,7 +1328,7 @@ static int write_empty_blocks(struct page *page, unsigned from, unsigned to)
 	} while (next < to);
 
 	if (end) {
-		error = block_prepare_write(page, start, end, gfs2_block_map);
+		error = __block_write_begin(page, start, end - start, gfs2_block_map);
 		if (unlikely(error))
 			return error;
 		empty_write_end(page, start, end);