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Commit 57523515 authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
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f2fs: retry to revoke atomic commit in -ENOMEM case 



commit 7f2b4e8ea5b49846f7d20f1694dbca81f88b8d50 upstream.

During atomic committing, if we encounter -ENOMEM in revoke path, it's
better to give a chance to retry revoking.

Signed-off-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent bbbdb8a0

fs/f2fs/segment.c

+8 −2
Original line number Diff line number Diff line
@@ -213,9 +213,15 @@ static int __revoke_inmem_pages(struct inode *inode, 
			struct node_info ni;



			trace_f2fs_commit_inmem_page(page, INMEM_REVOKE);



retry:

			set_new_dnode(&dn, inode, NULL, NULL, 0);

			if (get_dnode_of_data(&dn, page->index, LOOKUP_NODE)) {

			err = get_dnode_of_data(&dn, page->index, LOOKUP_NODE);

			if (err) {

				if (err == -ENOMEM) {

					congestion_wait(BLK_RW_ASYNC, HZ/50);

					cond_resched();

					goto retry;

				}

				err = -EAGAIN;

				goto next;

			}