Commit 62a3ddef authored Oct 28, 2011 by Christoph Hellwig Committed by root Oct 28, 2011

vfs: fix spinning prevention in prune_icache_sb



We need to move the inode to the end of the list to actually make the
spinning prevention explained in the comment above it work.  With a
plain list_move it will simply stay in place as we're always reclaiming
from the head of the list.

Signed-off-by: Christoph Hellwig <hch@lst.de>

parent 948409c7

fs/inode.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -634,7 +634,7 @@ void prune_icache_sb(struct super_block *sb, int nr_to_scan)
		* inode to the back of the list so we don't spin on it.
		*/
		if (!spin_trylock(&inode->i_lock)) {
		list_move(&inode->i_lru, &sb->s_inode_lru);
		list_move_tail(&inode->i_lru, &sb->s_inode_lru);
		continue;
		}