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| /openbmc/linux/include/uapi/linux/ |
| H A D | fs.h | diff 7957d93bf32bc211415827e44fdd9cdf1388df59 Mon Jul 12 18:05:27 CDT 2021 Matteo Croce <mcroce@microsoft.com> block: add ioctl to read the disk sequence number
Add a new BLKGETDISKSEQ ioctl which retrieves the disk sequence number
from the genhd structure.
# ./getdiskseq /dev/loop*
/dev/loop0: 13
/dev/loop0p1: 13
/dev/loop0p2: 13
/dev/loop0p3: 13
/dev/loop1: 14
/dev/loop1p1: 14
/dev/loop1p2: 14
/dev/loop2: 5
/dev/loop3: 6
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Matteo Croce <mcroce@microsoft.com>
Tested-by: Luca Boccassi <bluca@debian.org>
Link: https://lore.kernel.org/r/20210712230530.29323-4-mcroce@linux.microsoft.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
| /openbmc/linux/block/ |
| H A D | ioctl.c | diff 7957d93bf32bc211415827e44fdd9cdf1388df59 Mon Jul 12 18:05:27 CDT 2021 Matteo Croce <mcroce@microsoft.com> block: add ioctl to read the disk sequence number
Add a new BLKGETDISKSEQ ioctl which retrieves the disk sequence number
from the genhd structure.
# ./getdiskseq /dev/loop*
/dev/loop0: 13
/dev/loop0p1: 13
/dev/loop0p2: 13
/dev/loop0p3: 13
/dev/loop1: 14
/dev/loop1p1: 14
/dev/loop1p2: 14
/dev/loop2: 5
/dev/loop3: 6
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Matteo Croce <mcroce@microsoft.com>
Tested-by: Luca Boccassi <bluca@debian.org>
Link: https://lore.kernel.org/r/20210712230530.29323-4-mcroce@linux.microsoft.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|