From: Yan, Zheng Date: Mon, 19 Nov 2012 02:49:07 +0000 (+0800) Subject: ceph: Don't add dirty inode to dirty list if caps is in migration X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0685235ffd9dbdb9ccbda587f8a3c83ad1d5a921;p=linux-beck.git ceph: Don't add dirty inode to dirty list if caps is in migration Add dirty inode to cap_dirty_migrating list instead, this can avoid ceph_flush_dirty_caps() entering infinite loop. Signed-off-by: Yan, Zheng Signed-off-by: Sage Weil --- diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 8072aefc427c..5efa3f5e2f77 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -1351,11 +1351,15 @@ int __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask) if (!ci->i_head_snapc) ci->i_head_snapc = ceph_get_snap_context( ci->i_snap_realm->cached_context); - dout(" inode %p now dirty snapc %p\n", &ci->vfs_inode, - ci->i_head_snapc); + dout(" inode %p now dirty snapc %p auth cap %p\n", + &ci->vfs_inode, ci->i_head_snapc, ci->i_auth_cap); BUG_ON(!list_empty(&ci->i_dirty_item)); spin_lock(&mdsc->cap_dirty_lock); - list_add(&ci->i_dirty_item, &mdsc->cap_dirty); + if (ci->i_auth_cap) + list_add(&ci->i_dirty_item, &mdsc->cap_dirty); + else + list_add(&ci->i_dirty_item, + &mdsc->cap_dirty_migrating); spin_unlock(&mdsc->cap_dirty_lock); if (ci->i_flushing_caps == 0) { ihold(inode);