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authorJeff Layton <jlayton@kernel.org>2021-06-04 19:03:09 +0300
committerIlya Dryomov <idryomov@gmail.com>2021-06-29 01:15:52 +0300
commit52d60f8e18b855d67ecdc4fa34ae1b894d36c7b9 (patch)
tree5cd52b763fe50a2fafbf775519803e029ee6bb2b /fs/ceph/inode.c
parent7e65624d32b6e0429b1d3559e5585657f34f74a1 (diff)
ceph: eliminate session->s_gen_ttl_lock
Turn s_cap_gen field into an atomic_t, and just rely on the fact that we hold the s_mutex when changing the s_cap_ttl field. Signed-off-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: Luis Henriques <lhenriques@suse.de> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/inode.c')
-rw-r--r--fs/ceph/inode.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 6f43542b3344..6034821c9d63 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1124,7 +1124,7 @@ static void __update_dentry_lease(struct inode *dir, struct dentry *dentry,
return;
}
- if (di->lease_gen == session->s_cap_gen &&
+ if (di->lease_gen == atomic_read(&session->s_cap_gen) &&
time_before(ttl, di->time))
return; /* we already have a newer lease. */
@@ -1135,7 +1135,7 @@ static void __update_dentry_lease(struct inode *dir, struct dentry *dentry,
if (!di->lease_session)
di->lease_session = ceph_get_mds_session(session);
- di->lease_gen = session->s_cap_gen;
+ di->lease_gen = atomic_read(&session->s_cap_gen);
di->lease_seq = le32_to_cpu(lease->seq);
di->lease_renew_after = half_ttl;
di->lease_renew_from = 0;