Unverified Commit 392f26f4 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!11304 iomap: fault in smaller chunks for non-large folio mappings 

Merge Pull Request from: @ci-robot 
 
PR sync from: Yifan Qiao <qiaoyifan4@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/LHSKF7GUZ25UTL3WKYISX64GI5AKBN2I/ 
 
https://gitee.com/src-openeuler/kernel/issues/IANSAC 
 
Link:https://gitee.com/openeuler/kernel/pulls/11304

 

Reviewed-by: default avatarzhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 7196df35 cf692946

fs/iomap/buffered-io.c

+1 −1
Original line number Diff line number Diff line
@@ -973,11 +973,11 @@ static bool iomap_write_end(struct iomap_iter *iter, loff_t pos, size_t len, 
static loff_t iomap_write_iter(struct iomap_iter *iter, struct iov_iter *i)

{

	loff_t length = iomap_length(iter);

	size_t chunk = PAGE_SIZE << MAX_PAGECACHE_ORDER;

	loff_t pos = iter->pos;

	ssize_t total_written = 0;

	long status = 0;

	struct address_space *mapping = iter->inode->i_mapping;

	size_t chunk = mapping_max_folio_size(mapping);

	unsigned int bdp_flags = (iter->flags & IOMAP_NOWAIT) ? BDP_ASYNC : 0;



	do {