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linux/include/uapi
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Stefan Hajnoczi 3e2cb9ee76 block: add IOC_PR_READ_RESERVATION ioctl 
Add a Persistent Reservations ioctl to read the current reservation.
This calls the pr_ops->read_reservation() function that was previously
added in commit c787f1baa5 ("block: Add PR callouts for read keys and
reservation") but was only used by the in-kernel SCSI target so far.

The IOC_PR_READ_RESERVATION ioctl is necessary so that userspace
applications that rely on Persistent Reservations ioctls have a way of
inspecting the current state. Cluster managers and validation tests need
this functionality.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
History 2025-12-04 07:19:26 -07:00
..
asm-generic vfs-6.19-rc1.folio 2025-12-01 10:26:38 -08:00
cxl fwctl/cxl: Fix uuid_t usage in uapi 2025-04-11 20:45:43 -03:00
drm drm: define NVIDIA DRM format modifiers for GB20x 2025-11-06 11:01:45 +10:00
fwctl pds_fwctl: add rpc and query support 2025-03-21 20:57:55 -03:00
linux block: add IOC_PR_READ_RESERVATION ioctl 2025-12-04 07:19:26 -07:00
misc Char/Misc/IIO/Binder changes for 6.18-rc1 2025-10-04 16:26:32 -07:00
mtd ubi: Expose interface for detailed erase counters 2025-01-18 15:32:32 +01:00
rdma RDMA/irdma: Add SRQ support 2025-09-18 04:48:46 -04:00
regulator uapi: regulator: Fix typo 2024-01-04 13:22:24 +00:00
scsi scsi: fc: Avoid -Wflex-array-member-not-at-end warnings 2025-08-30 21:42:19 -04:00
sound ALSA: compress: document 'chan_map' member in snd_dec_opus 2025-09-28 08:29:03 +02:00
video License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
xen xen/privcmd: Add new syscall to get gsi from dev 2024-09-25 09:54:55 +02:00
Kbuild kbuild: re-implement Makefile.headersinst without recursion 2019-06-15 19:57:02 +09:00