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kernel-shared: uapi: fix BTRFS_IOC_SCAN_DEV defiintion 

Without the change `BTRFS_IOC_SCAN_DEV` aliased with `BTRFS_IOC_FORGET_DEV`.
It's a regression introduced in fcd9142b6 "btrfs-progs: docs: formatting,
fixups, updates".

It manifests as a sudden device disappearance when device is scanned:

    machine # [    4.095032] Btrfs loaded, crc32c=crc32c-intel, zoned=no, fsverity=no
    machine # ERROR: device scan failed on '/dev/vdb': No such file or directory
    machine # ERROR: device scan failed on '/dev/vdc': No such file or directory
    (finished: must succeed: mkfs.btrfs -d raid0 /dev/vdb /dev/vdc, in 10.31 seconds)

Issue: #704
Pull-request: #706
Reported-by: Atemu <atemu.main@gmail.com>
Bug: https://github.com/NixOS/nixpkgs/issues/265668
Author: Sergei Trofimovich <slyich@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Sergei Trofimovich 2023-11-05 20:13:07 +00:00 committed by David Sterba
parent f99258456f
commit 8a687cf954
1 changed files with 1 additions and 1 deletions
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2
kernel-shared/uapi/btrfs.h
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@ -1171,7 +1171,7 @@ enum btrfs_err_code {
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 5, \
#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_FORGET_DEV _IOW(BTRFS_IOCTL_MAGIC, 5, \
struct btrfs_ioctl_vol_args)