From ca6c8ae0f7930dad7e10664e3b5bc657dd75be60 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 15 Dec 2016 08:37:59 -0500 Subject: [PATCH] ceph: pass parent inode info to ceph_encode_dentry_release if we have it If we have a parent inode reference already, then we don't need to go back up the directory tree to find one. Link: http://tracker.ceph.com/issues/18148 Signed-off-by: Jeff Layton Reviewed-by: Yan, Zheng Signed-off-by: Ilya Dryomov --- fs/ceph/caps.c | 11 +++++++---- fs/ceph/mds_client.c | 7 +++++-- fs/ceph/super.h | 1 + 3 files changed, 13 insertions(+), 6 deletions(-) diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index d1b4c543cab1..4951ab96ffc8 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -3924,9 +3924,10 @@ int ceph_encode_inode_release(void **p, struct inode *inode, } int ceph_encode_dentry_release(void **p, struct dentry *dentry, + struct inode *dir, int mds, int drop, int unless) { - struct dentry *parent; + struct dentry *parent = NULL; struct ceph_mds_request_release *rel = *p; struct ceph_dentry_info *di = ceph_dentry(dentry); int force = 0; @@ -3941,11 +3942,13 @@ int ceph_encode_dentry_release(void **p, struct dentry *dentry, spin_lock(&dentry->d_lock); if (di->lease_session && di->lease_session->s_mds == mds) force = 1; - parent = dget(dentry->d_parent); + if (!dir) { + parent = dget(dentry->d_parent); + dir = d_inode(parent); + } spin_unlock(&dentry->d_lock); - ret = ceph_encode_inode_release(p, d_inode(parent), mds, drop, - unless, force); + ret = ceph_encode_inode_release(p, dir, mds, drop, unless, force); dput(parent); spin_lock(&dentry->d_lock); diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index c41c6aab3232..1b78457c992b 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1954,10 +1954,13 @@ static struct ceph_msg *create_request_message(struct ceph_mds_client *mdsc, mds, req->r_inode_drop, req->r_inode_unless, 0); if (req->r_dentry_drop) releases += ceph_encode_dentry_release(&p, req->r_dentry, - mds, req->r_dentry_drop, req->r_dentry_unless); + req->r_locked_dir, mds, req->r_dentry_drop, + req->r_dentry_unless); if (req->r_old_dentry_drop) releases += ceph_encode_dentry_release(&p, req->r_old_dentry, - mds, req->r_old_dentry_drop, req->r_old_dentry_unless); + req->r_old_dentry_dir, mds, + req->r_old_dentry_drop, + req->r_old_dentry_unless); if (req->r_old_inode_drop) releases += ceph_encode_inode_release(&p, d_inode(req->r_old_dentry), diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 3373b61faefd..a80a915ca247 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -904,6 +904,7 @@ extern void ceph_flush_dirty_caps(struct ceph_mds_client *mdsc); extern int ceph_encode_inode_release(void **p, struct inode *inode, int mds, int drop, int unless, int force); extern int ceph_encode_dentry_release(void **p, struct dentry *dn, + struct inode *dir, int mds, int drop, int unless); extern int ceph_get_caps(struct ceph_inode_info *ci, int need, int want, -- 2.20.1