block_dev: convert to new aops
Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -378,14 +378,26 @@ static int blkdev_readpage(struct file * file, struct page * page)
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return block_read_full_page(page, blkdev_get_block);
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return block_read_full_page(page, blkdev_get_block);
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}
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}
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static int blkdev_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to)
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static int blkdev_write_begin(struct file *file, struct address_space *mapping,
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loff_t pos, unsigned len, unsigned flags,
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struct page **pagep, void **fsdata)
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{
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{
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return block_prepare_write(page, from, to, blkdev_get_block);
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*pagep = NULL;
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return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
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blkdev_get_block);
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}
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}
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static int blkdev_commit_write(struct file *file, struct page *page, unsigned from, unsigned to)
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static int blkdev_write_end(struct file *file, struct address_space *mapping,
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loff_t pos, unsigned len, unsigned copied,
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struct page *page, void *fsdata)
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{
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{
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return block_commit_write(page, from, to);
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int ret;
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ret = block_write_end(file, mapping, pos, len, copied, page, fsdata);
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unlock_page(page);
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page_cache_release(page);
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return ret;
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}
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}
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/*
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/*
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@ -1327,8 +1339,8 @@ const struct address_space_operations def_blk_aops = {
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.readpage = blkdev_readpage,
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.readpage = blkdev_readpage,
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.writepage = blkdev_writepage,
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.writepage = blkdev_writepage,
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.sync_page = block_sync_page,
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.sync_page = block_sync_page,
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.prepare_write = blkdev_prepare_write,
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.write_begin = blkdev_write_begin,
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.commit_write = blkdev_commit_write,
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.write_end = blkdev_write_end,
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.writepages = generic_writepages,
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.writepages = generic_writepages,
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.direct_IO = blkdev_direct_IO,
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.direct_IO = blkdev_direct_IO,
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};
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};
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