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authorIngo Molnar <mingo@kernel.org>2022-05-06 11:21:46 +0300
committerIngo Molnar <mingo@kernel.org>2022-05-06 11:21:46 +0300
commitd70522fc541224b8351ac26f4765f2c6268f8d72 (patch)
tree5c924231da32485f3675f8e9911399e838fa2437 /fs/ceph/caps.c
parent1a90bfd220201fbe050dfc15deaac20ca5f15638 (diff)
parent672c0c5173427e6b3e2a9bbb7be51ceeec78093a (diff)
downloadlinux-d70522fc541224b8351ac26f4765f2c6268f8d72.tar.xz
Merge tag 'v5.18-rc5' into sched/core to pull in fixes & to resolve a conflict
- sched/core is on a pretty old -rc1 base - refresh it to include recent fixes. - this also allows up to resolve a (trivial) .mailmap conflict Conflicts: .mailmap Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/ceph/caps.c')
-rw-r--r--fs/ceph/caps.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index f1ad6884d4da..5c14ef04e474 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2274,6 +2274,8 @@ retry:
list_for_each_entry(req, &ci->i_unsafe_dirops,
r_unsafe_dir_item) {
s = req->r_session;
+ if (!s)
+ continue;
if (unlikely(s->s_mds >= max_sessions)) {
spin_unlock(&ci->i_unsafe_lock);
for (i = 0; i < max_sessions; i++) {
@@ -2294,6 +2296,8 @@ retry:
list_for_each_entry(req, &ci->i_unsafe_iops,
r_unsafe_target_item) {
s = req->r_session;
+ if (!s)
+ continue;
if (unlikely(s->s_mds >= max_sessions)) {
spin_unlock(&ci->i_unsafe_lock);
for (i = 0; i < max_sessions; i++) {
@@ -3870,6 +3874,7 @@ static void handle_cap_export(struct inode *inode, struct ceph_mds_caps *ex,
dout("handle_cap_export inode %p ci %p mds%d mseq %d target %d\n",
inode, ci, mds, mseq, target);
retry:
+ down_read(&mdsc->snap_rwsem);
spin_lock(&ci->i_ceph_lock);
cap = __get_cap_for_mds(ci, mds);
if (!cap || cap->cap_id != le64_to_cpu(ex->cap_id))
@@ -3933,6 +3938,7 @@ retry:
}
spin_unlock(&ci->i_ceph_lock);
+ up_read(&mdsc->snap_rwsem);
mutex_unlock(&session->s_mutex);
/* open target session */
@@ -3958,6 +3964,7 @@ retry:
out_unlock:
spin_unlock(&ci->i_ceph_lock);
+ up_read(&mdsc->snap_rwsem);
mutex_unlock(&session->s_mutex);
if (tsession) {
mutex_unlock(&tsession->s_mutex);