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| author |   Zhang Yi <yi.zhang@huawei.com> | 2021-06-10 19:24:40 +0800 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2021-06-24 10:55:42 -0400 |
| commit | acc6100d3ffa24bdd2add8ea85fb66811bcce5d4 (patch) | |
| tree | 7da77f4d498b13a8ee5968d09e42cea4ba72a35a /fs/block_dev.c | |
| parent | ext4: remove bdev_try_to_free_page() callback (diff) | |
| download | linux-dev-acc6100d3ffa24bdd2add8ea85fb66811bcce5d4.tar.xz linux-dev-acc6100d3ffa24bdd2add8ea85fb66811bcce5d4.zip | |
fs: remove bdev_try_to_free_page callback
After remove the unique user of sop->bdev_try_to_free_page() callback,
we could remove the callback and the corresponding blkdev_releasepage()
at all.
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20210610112440.3438139-9-yi.zhang@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 6cc4d4cfe0c2..e215da6d49b4 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1733,20 +1733,6 @@ ssize_t blkdev_read_iter(struct kiocb *iocb, struct iov_iter *to) } EXPORT_SYMBOL_GPL(blkdev_read_iter); -/* - * Try to release a page associated with block device when the system - * is under memory pressure. - */ -static int blkdev_releasepage(struct page *page, gfp_t wait) -{ - struct super_block *super = BDEV_I(page->mapping->host)->bdev.bd_super; - - if (super && super->s_op->bdev_try_to_free_page) - return super->s_op->bdev_try_to_free_page(super, page, wait); - - return try_to_free_buffers(page); -} - static int blkdev_writepages(struct address_space *mapping, struct writeback_control *wbc) { @@ -1760,7 +1746,6 @@ static const struct address_space_operations def_blk_aops = { .write_begin = blkdev_write_begin, .write_end = blkdev_write_end, .writepages = blkdev_writepages, - .releasepage = blkdev_releasepage, .direct_IO = blkdev_direct_IO, .migratepage = buffer_migrate_page_norefs, .is_dirty_writeback = buffer_check_dirty_writeback, |