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blkpg.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __LINUX_BLKPG_H #define __LINUX_BLKPG_H #include <linux/ioctl.h> #define BLKPG _IO(0x12,105) /* The argument structure */ struct blkpg_ioctl_arg { int op; int flags; int datalen; void *data; }; /* The subfunctions (for the op field) */ #define BLKPG_ADD_PARTITION 1 #define BLKPG_DEL_PARTITION 2 #define BLKPG_RESIZE_PARTITION 3 /* Sizes of name fields. Unused at present. */ #define BLKPG_DEVNAMELTH 64 #define BLKPG_VOLNAMELTH 64 /* The data structure for ADD_PARTITION and DEL_PARTITION */ struct blkpg_partition { long long start; /* starting offset in bytes */ long long length; /* length in bytes */ int pno; /* partition number */ char devname[BLKPG_DEVNAMELTH]; /* unused / ignored */ char volname[BLKPG_VOLNAMELTH]; /* unused / ignore */ }; #endif /* __LINUX_BLKPG_H */
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