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 <jlayton@xxxxxxxxxx> --- 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 6bc5c1efbb26..e960b51dcae1 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -3832,9 +3832,10 @@ 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; @@ -3849,11 +3850,13 @@ 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 9fe5a56122f0..a29997ce982b 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1953,10 +1953,13 @@ 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 3e3fa9163059..e4ca0b718b6f 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -901,6 +901,7 @@ 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, -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html