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| author | Christoph Hellwig <hch@lst.de> | 2020-11-03 13:00:10 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-11-16 18:14:29 +0300 |
| commit | 4a9d6d667f0bafed55a9e9f5ae8bceb3680749d7 (patch) | |
| tree | 407ce7fd01ec171b66dc0ddeeb547c3adeb29914 | |
| parent | daaedb820ad716e00210af8859b194c404202b78 (diff) | |
| download | linux-4a9d6d667f0bafed55a9e9f5ae8bceb3680749d7.tar.xz | |
block: don't call into the driver for BLKFLSBUF
BLKFLSBUF is entirely contained in the block core, and there is no
good reason to give the driver a hook into processing it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | block/ioctl.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/block/ioctl.c b/block/ioctl.c index 3fbc382eb926..c6d8863f0409 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -369,15 +369,8 @@ static inline int is_unrecognized_ioctl(int ret) static int blkdev_flushbuf(struct block_device *bdev, fmode_t mode, unsigned cmd, unsigned long arg) { - int ret; - if (!capable(CAP_SYS_ADMIN)) return -EACCES; - - ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg); - if (!is_unrecognized_ioctl(ret)) - return ret; - fsync_bdev(bdev); invalidate_bdev(bdev); return 0; |