diff options
| author | mav <mav@FreeBSD.org> | 2014-11-06 00:48:36 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2014-11-06 00:48:36 +0000 |
| commit | e22f45febced94fa20499d8f0e1ac165420b311f (patch) | |
| tree | a7ac3756c88f1b3d46b44245bc78d1a55eb63a56 /sys/sys/disk.h | |
| parent | 7f33ec799c2121befb5f0a4ad517023aa0bbb3f7 (diff) | |
| download | FreeBSD-src-e22f45febced94fa20499d8f0e1ac165420b311f.zip FreeBSD-src-e22f45febced94fa20499d8f0e1ac165420b311f.tar.gz | |
Add to CTL support for logical block provisioning threshold notifications.
For ZVOL-backed LUNs this allows to inform initiators if storage's used or
available spaces get above/below the configured thresholds.
MFC after: 2 weeks
Sponsored by: iXsystems, Inc.
Diffstat (limited to 'sys/sys/disk.h')
| -rw-r--r-- | sys/sys/disk.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/sys/disk.h b/sys/sys/disk.h index 112eed0..75e3100 100644 --- a/sys/sys/disk.h +++ b/sys/sys/disk.h @@ -124,4 +124,14 @@ void disk_err(struct bio *bp, const char *what, int blkdone, int nl); * occupant of that location. */ +struct diocgattr_arg { + char name[64]; + int len; + union { + char str[DISK_IDENT_SIZE]; + off_t off; + } value; +}; +#define DIOCGATTR _IOWR('d', 142, struct diocgattr_arg) + #endif /* _SYS_DISK_H_ */ |
