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[PATCH] BLOCK: Dissociate generic_writepages() from mpage stuff [try #6]

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Dissociate the generic_writepages() function from the mpage stuff, moving its
declaration to linux/mm.h and actually emitting a full implementation into
mm/page-writeback.c.

The implementation is a partial duplicate of mpage_writepages() with all BIO
references removed.

It is used by NFS to do writeback.

Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
David Howells 2006-08-29 19:06:09 +01:00 • committed by Jens Axboe
commit 811d736f9e
5 changed files with 139 additions and 6 deletions
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6
include/linux/mpage.h
View file

@ -20,9 +20,3 @@ int mpage_writepages(struct address_space *mapping,
struct writeback_control *wbc, get_block_t get_block);
int mpage_writepage(struct page *page, get_block_t *get_block,
struct writeback_control *wbc);
static inline int
generic_writepages(struct address_space *mapping, struct writeback_control *wbc)
{
return mpage_writepages(mapping, wbc, NULL);
}

2
include/linux/writeback.h
View file

@ -111,6 +111,8 @@ balance_dirty_pages_ratelimited(struct address_space *mapping)
}
int pdflush_operation(void (*fn)(unsigned long), unsigned long arg0);
extern int generic_writepages(struct address_space *mapping,
struct writeback_control *wbc);
int do_writepages(struct address_space *mapping, struct writeback_control *wbc);
int sync_page_range(struct inode *inode, struct address_space *mapping,
loff_t pos, loff_t count);