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authorKirill Tkhai <ktkhai@virtuozzo.com>2018-11-09 13:33:17 +0300
committerMiklos Szeredi <mszeredi@redhat.com>2019-02-13 13:15:13 +0100
commit4510d86fbbb36872224482bb21836d47cce8be8c (patch)
treed4340b770fd1f73d14c5391f407b50b00b946f2b /fs/fuse/inode.c
parentebf84d0c7220c7c9b904c405e61175d2a50cfb39 (diff)
fuse: Convert fc->attr_version into atomic64_t
This patch makes fc->attr_version of atomic64_t type, so fc->lock won't be needed to read or modify it anymore. Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/fuse/inode.c')
-rw-r--r--fs/fuse/inode.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index c2d4099429be..86e86fcd6267 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -163,7 +163,7 @@ void fuse_change_attributes_common(struct inode *inode, struct fuse_attr *attr,
struct fuse_conn *fc = get_fuse_conn(inode);
struct fuse_inode *fi = get_fuse_inode(inode);
- fi->attr_version = ++fc->attr_version;
+ fi->attr_version = atomic64_inc_return(&fc->attr_version);
fi->i_time = attr_valid;
WRITE_ONCE(fi->inval_mask, 0);
@@ -624,7 +624,7 @@ void fuse_conn_init(struct fuse_conn *fc, struct user_namespace *user_ns)
fc->blocked = 0;
fc->initialized = 0;
fc->connected = 1;
- fc->attr_version = 1;
+ atomic64_set(&fc->attr_version, 1);
get_random_bytes(&fc->scramble_key, sizeof(fc->scramble_key));
fc->pid_ns = get_pid_ns(task_active_pid_ns(current));
fc->user_ns = get_user_ns(user_ns);