The generic function __set_page_dirty_buffers called by default by
set_page_dirty appears to be a correct superset of ramdisk_set_page_dirty.
So remove the specialized ramdisk version.
Signed-off-by: Eric W. Biederman <[email protected]>
---
drivers/block/rd.c | 27 ---------------------------
1 files changed, 0 insertions(+), 27 deletions(-)
diff --git a/drivers/block/rd.c b/drivers/block/rd.c
index 56b2b54..26b4c6f 100644
--- a/drivers/block/rd.c
+++ b/drivers/block/rd.c
@@ -114,37 +114,10 @@ static int ramdisk_readpage(struct file *file, struct page *page)
return 0;
}
-/*
- * ramdisk blockdev pages have their own ->set_page_dirty() because we don't
- * want them to contribute to dirty memory accounting.
- */
-static int ramdisk_set_page_dirty(struct page *page)
-{
- struct address_space * const mapping = page_mapping(page);
-
- spin_lock(&mapping->private_lock);
- if (page_has_buffers(page)) {
- struct buffer_head *head = page_buffers(page);
- struct buffer_head *bh = head;
-
- do {
- set_buffer_uptodate(bh);
- set_buffer_dirty(bh);
- bh = bh->b_this_page;
- } while (bh != head);
- }
- spin_unlock(&mapping->private_lock);
-
- if (!TestSetPageDirty(page))
- return 1;
- return 0;
-}
-
static const struct address_space_operations ramdisk_aops = {
.readpage = ramdisk_readpage,
.prepare_write = simple_prepare_write,
.commit_write = simple_commit_write,
- .set_page_dirty = ramdisk_set_page_dirty,
};
static int rd_blkdev_pagecache_IO(int rw, struct bio_vec *vec, sector_t sector,
--
1.5.1.1.181.g2de0
-
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