tree 7dacc92b08264c675a0dfcbae83982b7d3ad5135
parent 5b9f4567726513a359e70f85029482c7c3714dbd
author Eric Dumazet <eric.dumazet@gmail.com> 1311672994 +0200
committer Al Viro <viro@zeniv.linux.org.uk> 1311699429 -0400

vfs: dont chain pipe/anon/socket on superblock s_inodes list

Workloads using pipes and sockets hit inode_sb_list_lock contention.

superblock s_inodes list is needed for quota, dirty, pagecache and
fsnotify management. pipe/anon/socket fs are clearly not candidates for
these.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>