From: "Yan, Zheng" <[email protected]> To handle "link" request, the MDS need to xlock inode's linklock, which requires revoking any CAP_LINK_SHARED.
Signed-off-by: Yan, Zheng <[email protected]> --- fs/ceph/dir.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index f02d82b..0e4da4a 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -796,6 +796,8 @@ static int ceph_link(struct dentry *old_dentry, struct inode *dir, req->r_locked_dir = dir; req->r_dentry_drop = CEPH_CAP_FILE_SHARED; req->r_dentry_unless = CEPH_CAP_FILE_EXCL; + /* release LINK_SHARED on source inode (mds will lock it) */ + req->r_old_inode_drop = CEPH_CAP_LINK_SHARED; err = ceph_mdsc_do_request(mdsc, dir, req); if (err) { d_drop(dentry); -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
