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authorBadari Pulavarty <pbadari@us.ibm.com>2006-03-26 01:38:00 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-26 08:57:01 -0800
commitb0cf2321c6599138f860517745503691556d8453 (patch)
tree39ecfea09c13ce09172ab3ec5a5b6d2fef657cac /fs/mpage.c
parent205f87f6b342444f722e4559d33318686f7df2ca (diff)
[PATCH] pass b_size to ->get_block()
Pass amount of disk needs to be mapped to get_block(). This way one can modify the fs ->get_block() functions to map multiple blocks at the same time. [akpm@osdl.org: performance tweak] [akpm@osdl.org: remove unneeded assignments] Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/mpage.c')
-rw-r--r--fs/mpage.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/mpage.c b/fs/mpage.c
index e431cb3878d6..7903b740cc11 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -192,6 +192,7 @@ do_mpage_readpage(struct bio *bio, struct page *page, unsigned nr_pages,
page_block++, block_in_file++) {
bh.b_state = 0;
if (block_in_file < last_block) {
+ bh.b_size = blocksize;
if (get_block(inode, block_in_file, &bh, 0))
goto confused;
}
@@ -472,6 +473,7 @@ __mpage_writepage(struct bio *bio, struct page *page, get_block_t get_block,
for (page_block = 0; page_block < blocks_per_page; ) {
map_bh.b_state = 0;
+ map_bh.b_size = 1 << blkbits;
if (get_block(inode, block_in_file, &map_bh, 1))
goto confused;
if (buffer_new(&map_bh))