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>
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 6b24afb..4f36f88 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -618,7 +618,6 @@
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 @@
}
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 0534510..48a274f 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -1294,7 +1294,7 @@
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 @@
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 @@
} 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);