From 45e3d3eeb6578e523e100622266945ecd71723bb Mon Sep 17 00:00:00 2001 From: Sage Weil Date: Wed, 6 Apr 2011 09:35:00 -0700 Subject: [PATCH] ceph: avoid inode lookup on nfs fh reconnect If we get the inode from the MDS, we have a reference in req; don't do a fresh lookup. Signed-off-by: Sage Weil --- fs/ceph/export.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/fs/ceph/export.c b/fs/ceph/export.c index f1828af09912..a610d3d67488 100644 --- a/fs/ceph/export.c +++ b/fs/ceph/export.c @@ -107,8 +107,10 @@ static struct dentry *__fh_to_dentry(struct super_block *sb, req->r_ino1 = vino; req->r_num_caps = 1; err = ceph_mdsc_do_request(mdsc, NULL, req); + inode = req->r_target_inode; + if (inode) + igrab(inode); ceph_mdsc_put_request(req); - inode = ceph_find_inode(sb, vino); if (!inode) return ERR_PTR(-ESTALE); } @@ -163,8 +165,10 @@ static struct dentry *__cfh_to_dentry(struct super_block *sb, snprintf(req->r_path2, 16, "%d", cfh->parent_name_hash); req->r_num_caps = 1; err = ceph_mdsc_do_request(mdsc, NULL, req); + inode = req->r_target_inode; + if (inode) + igrab(inode); ceph_mdsc_put_request(req); - inode = ceph_find_inode(sb, vino); if (!inode) return ERR_PTR(err ? err : -ESTALE); } -- 2.20.1