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| author |   Christoph Hellwig <hch@lst.de> | 2021-06-23 16:59:08 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2021-06-30 15:34:13 -0600 |
| commit | 8e60947d2f1ee675681a526da99fa587e63f78e3 (patch) | |
| tree | 248933eea7525af9fec0f03499f612e2fed9a11b /drivers/block | |
| parent | loop: split loop_lookup (diff) | |
| download | linux-dev-8e60947d2f1ee675681a526da99fa587e63f78e3.tar.xz linux-dev-8e60947d2f1ee675681a526da99fa587e63f78e3.zip | |
loop: rewrite loop_exit using idr_for_each_entry
Use idr_for_each_entry to simplify removing all devices.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Link: https://lore.kernel.org/r/20210623145908.92973-10-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/loop.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c index ff7014608ef6..39c05cf518fb 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -2518,21 +2518,17 @@ err_out: return err; } -static int loop_exit_cb(int id, void *ptr, void *data) -{ - struct loop_device *lo = ptr; - - loop_remove(lo); - return 0; -} - static void __exit loop_exit(void) { + struct loop_device *lo; + int id; + unregister_blkdev(LOOP_MAJOR, "loop"); misc_deregister(&loop_misc); mutex_lock(&loop_ctl_mutex); - idr_for_each(&loop_index_idr, &loop_exit_cb, NULL); + idr_for_each_entry(&loop_index_idr, lo, id) + loop_remove(lo); mutex_unlock(&loop_ctl_mutex); idr_destroy(&loop_index_idr); |