linux-kernel - [PATCH 1/4] f2fs: give scheduling point in shrinking path

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Sat, 23 Jan 2016 12:16:43 -0800
From:	Jaegeuk Kim <jaegeuk@...nel.org>
To:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net
Cc:	Jaegeuk Kim <jaegeuk@...nel.org>
Subject: [PATCH 1/4] f2fs: give scheduling point in shrinking path

It needs to give a chance to be rescheduled while shrinking slab entries.

Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
---
 fs/f2fs/extent_cache.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
index ccd5c63..325825b 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -585,6 +585,8 @@ unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink)
 
 		if (node_cnt + tree_cnt >= nr_shrink)
 			goto unlock_out;
+
+		cond_resched();
 	}
 	up_write(&sbi->extent_tree_lock);
 
@@ -631,6 +633,7 @@ free_node:
 			if (node_cnt + tree_cnt >= nr_shrink)
 				goto unlock_out;
 		}
+		cond_resched();
 	}
 unlock_out:
 	up_write(&sbi->extent_tree_lock);
-- 
2.6.3