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| author | Song Liu <songliubraving@fb.com> | 2015-08-13 23:31:54 +0200 |
|---|---|---|
| committer | NeilBrown <neilb@suse.com> | 2015-10-24 08:16:18 +0200 |
| commit | c4d4c91b44d8309082127893221a1971a27c50ca (patch) | |
| tree | d745d1eb415f1dff77c0de54b5a63a4494ba3f76 /include | |
| parent | md-cluster: Call update_raid_disks() if another node --grow's raid_disks (diff) | |
| download | linux-c4d4c91b44d8309082127893221a1971a27c50ca.tar.xz linux-c4d4c91b44d8309082127893221a1971a27c50ca.zip | |
MD: replace special disk roles with macros
Add the following two macros for special roles: spare and faulty
MD_DISK_ROLE_SPARE 0xffff
MD_DISK_ROLE_FAULTY 0xfffe
Add MD_DISK_ROLE_MAX 0xff00 as the maximal possible regular role,
and minimal value of special role.
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: NeilBrown <neilb@suse.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/raid/md_p.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/uapi/linux/raid/md_p.h b/include/uapi/linux/raid/md_p.h index 867ee874fa80..d1fc8a637368 100644 --- a/include/uapi/linux/raid/md_p.h +++ b/include/uapi/linux/raid/md_p.h @@ -90,6 +90,10 @@ * dire need */ +#define MD_DISK_ROLE_SPARE 0xffff +#define MD_DISK_ROLE_FAULTY 0xfffe +#define MD_DISK_ROLE_MAX 0xff00 /* max value of regular disk role */ + typedef struct mdp_device_descriptor_s { __u32 number; /* 0 Device number in the entire set */ __u32 major; /* 1 Device major number */ |