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| author | Kirill Tkhai <ktkhai@virtuozzo.com> | 2018-08-27 17:29:29 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2018-09-28 16:43:22 +0200 |
| commit | 2a23f2b8adbe4bd584f936f7ac17a99750eed9d7 (patch) | |
| tree | 12ec2c21599c7d8dfc37d13c8bfb40589d9c2d55 /fs/fuse | |
| parent | fuse: use list_first_entry() in flush_bg_queue() (diff) | |
| download | linux-2a23f2b8adbe4bd584f936f7ac17a99750eed9d7.tar.xz linux-2a23f2b8adbe4bd584f936f7ac17a99750eed9d7.zip | |
fuse: use READ_ONCE on congestion_threshold and max_background
Since they are of unsigned int type, it's allowed to read them
unlocked during reporting to userspace. Let's underline this fact
with READ_ONCE() macroses.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/fuse')
| -rw-r--r-- | fs/fuse/control.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/fuse/control.c b/fs/fuse/control.c index 0b694655d988..acc35819aae6 100644 --- a/fs/fuse/control.c +++ b/fs/fuse/control.c @@ -107,7 +107,7 @@ static ssize_t fuse_conn_max_background_read(struct file *file, if (!fc) return 0; - val = fc->max_background; + val = READ_ONCE(fc->max_background); fuse_conn_put(fc); return fuse_conn_limit_read(file, buf, len, ppos, val); @@ -144,7 +144,7 @@ static ssize_t fuse_conn_congestion_threshold_read(struct file *file, if (!fc) return 0; - val = fc->congestion_threshold; + val = READ_ONCE(fc->congestion_threshold); fuse_conn_put(fc); return fuse_conn_limit_read(file, buf, len, ppos, val); |