diff options
| author | Christoph Hellwig <hch@lst.de> | 2024-05-02 15:00:33 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-05-03 09:00:07 -0600 |
| commit | a4217c6740dc64a3eb6815868a9260825e8c68c6 (patch) | |
| tree | ac4fd5788f1296cb88329bd6ef2595b269711328 /Documentation/ABI | |
| parent | 140ce28dd3bee8e53acc27f123ae474d69ef66f0 (diff) | |
| download | linux-a4217c6740dc64a3eb6815868a9260825e8c68c6.tar.gz | |
block: add a partscan sysfs attribute for disks
Userspace had been unknowingly relying on a non-stable interface of
kernel internals to determine if partition scanning is enabled for a
given disk. Provide a stable interface for this purpose instead.
Cc: stable@vger.kernel.org # 6.3+
Depends-on: 140ce28dd3be ("block: add a disk_has_partscan helper")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/linux-block/ZhQJf8mzq_wipkBH@gardel-login/
Link: https://lore.kernel.org/r/20240502130033.1958492-3-hch@lst.de
[axboe: add links and commit message from Keith]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/stable/sysfs-block | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-block b/Documentation/ABI/stable/sysfs-block index 1fe9a553c37b71..f0025d1c3d5acd 100644 --- a/Documentation/ABI/stable/sysfs-block +++ b/Documentation/ABI/stable/sysfs-block @@ -101,6 +101,16 @@ Description: devices that support receiving integrity metadata. +What: /sys/block/<disk>/partscan +Date: May 2024 +Contact: Christoph Hellwig <hch@lst.de> +Description: + The /sys/block/<disk>/partscan files reports if partition + scanning is enabled for the disk. It returns "1" if partition + scanning is enabled, or "0" if not. The value type is a 32-bit + unsigned integer, but only "0" and "1" are valid values. + + What: /sys/block/<disk>/<partition>/alignment_offset Date: April 2009 Contact: Martin K. Petersen <martin.petersen@oracle.com> |