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authorChristoph Hellwig <hch@lst.de>2010-06-04 11:29:57 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2010-08-09 16:47:32 -0400
commit6e1db88d536adcbbfe562b2d4b7d6425784fff12 (patch)
tree8cfcb5a6190722db6249b2e4978f39247975abcf /fs/nilfs2/dir.c
parentf4e420dc423148fba637af1ab618fa8896dfb2d6 (diff)
downloadlinux-6e1db88d536adcbbfe562b2d4b7d6425784fff12.tar.bz2
introduce __block_write_begin
Split up the block_write_begin implementation - __block_write_begin is a new trivial wrapper for block_prepare_write that always takes an already allocated page and can be either called from block_write_begin or filesystem code that already has a page allocated. Remove the handling of already allocated pages from block_write_begin after switching all callers that do it to __block_write_begin. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/nilfs2/dir.c')
-rw-r--r--fs/nilfs2/dir.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c
index fc2bcfa599a3..d14e3b94d81f 100644
--- a/fs/nilfs2/dir.c
+++ b/fs/nilfs2/dir.c
@@ -83,8 +83,7 @@ static unsigned nilfs_last_byte(struct inode *inode, unsigned long page_nr)
static int nilfs_prepare_chunk(struct page *page, unsigned from, unsigned to)
{
loff_t pos = page_offset(page) + from;
- return block_write_begin_newtrunc(NULL, page->mapping, pos, to - from,
- 0, &page, NULL, nilfs_get_block);
+ return __block_write_begin(page, pos, to - from, nilfs_get_block);
}
static void nilfs_commit_chunk(struct page *page,