---

yaml --- r: 257371 b: refs/heads/master c: 8ab4766 h: refs/heads/master i: 257369: 2b2733c 257367: 0a62310 v: v3
git-mirror · Jul 21, 2011 · 5ec70b7 · 5ec70b7
1 parent 29ebf5d
commit 5ec70b7
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Showing 3 changed files with 8 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0e1fdafd93980eac62e778798549ce0f6073905c
+refs/heads/master: 8ab47664d51a69ea79fe70bb07ca80664f74f76b
diff --git a/trunk/Documentation/filesystems/vfs.txt b/trunk/Documentation/filesystems/vfs.txt
@@ -317,6 +317,12 @@ or bottom half).
 	the VM is trying to reclaim under GFP_NOFS conditions, hence this
 	method does not need to handle that situation itself.
 
+	Implementations must include conditional reschedule calls inside any
+	scanning loop that is done. This allows the VFS to determine
+	appropriate scan batch sizes without having to worry about whether
+	implementations will cause holdoff problems due to large scan batch
+	sizes.
+
 Whoever sets up the inode is responsible for filling in the "i_op" field. This
 is a pointer to a "struct inode_operations" which describes the methods that
 can be performed on individual inodes.

diff --git a/trunk/fs/super.c b/trunk/fs/super.c
@@ -182,6 +182,7 @@ static struct super_block *alloc_super(struct file_system_type *type)
 
 		s->s_shrink.seeks = DEFAULT_SEEKS;
 		s->s_shrink.shrink = prune_super;
+		s->s_shrink.batch = 1024;
 	}
 out:
 	return s;