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authorLuis Henriques <lhenriques@suse.com>2018-01-12 17:19:28 +0000
committerIlya Dryomov <idryomov@gmail.com>2018-04-02 11:17:53 +0200
commite3161f17d92699ce6ca3b7988131b10ad4035cf9 (patch)
tree64517e87740efded4fd4a962343ba81bef5d6be9 /fs/ceph/inode.c
parent0eb6bbe4d9cf02f639d661edf7c02defc3453a69 (diff)
downloadlinux-e3161f17d92699ce6ca3b7988131b10ad4035cf9.tar.bz2
ceph: quota: cache inode pointer in ceph_snap_realm
Keep a pointer to the inode in struct ceph_snap_realm. This allows to optimize functions that walk the realms hierarchy (e.g. in quotas). Signed-off-by: Luis Henriques <lhenriques@suse.com> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/inode.c')
-rw-r--r--fs/ceph/inode.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 50ccae151ea0..8ea11b1a2e23 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -551,6 +551,9 @@ void ceph_destroy_inode(struct inode *inode)
dout(" dropping residual ref to snap realm %p\n", realm);
spin_lock(&realm->inodes_with_caps_lock);
list_del_init(&ci->i_snap_realm_item);
+ ci->i_snap_realm = NULL;
+ if (realm->ino == ci->i_vino.ino)
+ realm->inode = NULL;
spin_unlock(&realm->inodes_with_caps_lock);
ceph_put_snap_realm(mdsc, realm);
}