From 7391fba2678c0288d0daf636ddc4f78de7704f81 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Wed, 18 Mar 2020 16:43:30 -0400 Subject: ceph: don't release i_ceph_lock in handle_cap_trunc There's no reason to do this here. Just have the caller handle it. Also, add a lockdep assertion. Signed-off-by: Jeff Layton Signed-off-by: Ilya Dryomov --- fs/ceph/caps.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) (limited to 'fs/ceph') diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 056ad0d99438..34aa9f4c1780 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -3631,10 +3631,9 @@ static void handle_cap_flushsnap_ack(struct inode *inode, u64 flush_tid, * * caller hold s_mutex. */ -static void handle_cap_trunc(struct inode *inode, +static bool handle_cap_trunc(struct inode *inode, struct ceph_mds_caps *trunc, struct ceph_mds_session *session) - __releases(ci->i_ceph_lock) { struct ceph_inode_info *ci = ceph_inode(inode); int mds = session->s_mds; @@ -3645,7 +3644,9 @@ static void handle_cap_trunc(struct inode *inode, int implemented = 0; int dirty = __ceph_caps_dirty(ci); int issued = __ceph_caps_issued(ceph_inode(inode), &implemented); - int queue_trunc = 0; + bool queue_trunc = false; + + lockdep_assert_held(&ci->i_ceph_lock); issued |= implemented | dirty; @@ -3653,10 +3654,7 @@ static void handle_cap_trunc(struct inode *inode, inode, mds, seq, truncate_size, truncate_seq); queue_trunc = ceph_fill_file_size(inode, issued, truncate_seq, truncate_size, size); - spin_unlock(&ci->i_ceph_lock); - - if (queue_trunc) - ceph_queue_vmtruncate(inode); + return queue_trunc; } /* @@ -3905,6 +3903,7 @@ void ceph_handle_caps(struct ceph_mds_session *session, size_t snaptrace_len; void *p, *end; struct cap_extra_info extra_info = {}; + bool queue_trunc; dout("handle_caps from mds%d\n", session->s_mds); @@ -4088,7 +4087,10 @@ void ceph_handle_caps(struct ceph_mds_session *session, break; case CEPH_CAP_OP_TRUNC: - handle_cap_trunc(inode, h, session); + queue_trunc = handle_cap_trunc(inode, h, session); + spin_unlock(&ci->i_ceph_lock); + if (queue_trunc) + ceph_queue_vmtruncate(inode); break; default: -- cgit v1.2.3