From: Christoph Hellwig Date: Sat, 6 Nov 2010 11:43:08 +0000 (+0000) Subject: xfs: use hlist_add_fake X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c6f6cd0608b1826ee1797cf57a808416e4bdb806;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git xfs: use hlist_add_fake XFS does not need it's inodes to actuall be hashed in the VFS inode cache, but we require the inode to be marked hashed for the writeback code to work. Insted of using insert_inode_hash, which requires a second inode_lock roundtrip after the partial merge of the inode scalability patches in 2.6.37-rc simply use the new hlist_add_fake helper to mark it hashed without requiring a lock or touching a global cache line. Signed-off-by: Christoph Hellwig Signed-off-by: Alex Elder --- diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c index 96107efc0c61..94d5fd6a2973 100644 --- a/fs/xfs/linux-2.6/xfs_iops.c +++ b/fs/xfs/linux-2.6/xfs_iops.c @@ -762,7 +762,8 @@ xfs_setup_inode( inode->i_state = I_NEW; inode_sb_list_add(inode); - insert_inode_hash(inode); + /* make the inode look hashed for the writeback code */ + hlist_add_fake(&inode->i_hash); inode->i_mode = ip->i_d.di_mode; inode->i_nlink = ip->i_d.di_nlink;