diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-27 15:02:03 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-03-05 17:57:03 +0100 |
| commit | e5c5b8ed71bba3a919e211264930bc7148db90c6 (patch) | |
| tree | 29f6f9d028c707c31ba0dcfa08766bb02f999614 /drivers/block/loop.c | |
| parent | c6ae51ad49172310c9fa14b9af9b0fcf63b1471c (diff) | |
Revert "loop: Fold __loop_release into loop_release"
This reverts commit 7d839c10b848aa66ca1290a21ee600bd17c2dcb4 which is
commit 967d1dc144b50ad005e5eecdfadfbcfb399ffff6 upstream.
It does not work properly in the 4.9.y tree and causes more problems
than it fixes, so revert it.
Reported-by: Thomas Lindroth <thomas.lindroth@gmail.com>
Reported-by: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/block/loop.c')
| -rw-r--r-- | drivers/block/loop.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 3fa04cee214b..28ce17405aab 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1575,15 +1575,12 @@ out: return err; } -static void lo_release(struct gendisk *disk, fmode_t mode) +static void __lo_release(struct loop_device *lo) { - struct loop_device *lo; int err; - mutex_lock(&loop_index_mutex); - lo = disk->private_data; if (atomic_dec_return(&lo->lo_refcnt)) - goto unlock_index; + return; mutex_lock(&loop_ctl_mutex); if (lo->lo_flags & LO_FLAGS_AUTOCLEAR) { @@ -1593,7 +1590,7 @@ static void lo_release(struct gendisk *disk, fmode_t mode) */ err = loop_clr_fd(lo); if (!err) - goto unlock_index; + return; } else { /* * Otherwise keep thread (if running) and config, @@ -1603,7 +1600,12 @@ static void lo_release(struct gendisk *disk, fmode_t mode) } mutex_unlock(&loop_ctl_mutex); -unlock_index: +} + +static void lo_release(struct gendisk *disk, fmode_t mode) +{ + mutex_lock(&loop_index_mutex); + __lo_release(disk->private_data); mutex_unlock(&loop_index_mutex); } |