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Commit 2ed1a6bc authored by Jens Axboe's avatar Jens Axboe
Browse files

fs: make mpage read/write_pages() plug 



Signed-off-by: default avatarJens Axboe <jaxboe@fusionio.com>
parent 5b417b18

fs/mpage.c

+8 −0
Original line number Diff line number Diff line
@@ -364,6 +364,9 @@ mpage_readpages(struct address_space *mapping, struct list_head *pages, 
	sector_t last_block_in_bio = 0;

	struct buffer_head map_bh;

	unsigned long first_logical_block = 0;

	struct blk_plug plug;



	blk_start_plug(&plug);



	map_bh.b_state = 0;

	map_bh.b_size = 0;
@@ -385,6 +388,7 @@ mpage_readpages(struct address_space *mapping, struct list_head *pages, 
	BUG_ON(!list_empty(pages));

	if (bio)

		mpage_bio_submit(READ, bio);

	blk_finish_plug(&plug);

	return 0;

}

EXPORT_SYMBOL(mpage_readpages);
@@ -666,8 +670,11 @@ int 
mpage_writepages(struct address_space *mapping,

		struct writeback_control *wbc, get_block_t get_block)

{

	struct blk_plug plug;

	int ret;



	blk_start_plug(&plug);



	if (!get_block)

		ret = generic_writepages(mapping, wbc);

	else {
@@ -682,6 +689,7 @@ mpage_writepages(struct address_space *mapping, 
		if (mpd.bio)

			mpage_bio_submit(WRITE, mpd.bio);

	}

	blk_finish_plug(&plug);

	return ret;

}

EXPORT_SYMBOL(mpage_writepages);