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add sysfs_array_state to struct mdinfo 

Add sysfs_array_state to struct mdinfo, and add GET_ARRAY_STATE to
options of sysfs_read.

Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: NeilBrown <neilb@suse.com>
This commit is contained in:
Song Liu 2015-12-14 17:43:42 -08:00 committed by NeilBrown
parent 26714713cd
commit 5aa644c68a
2 changed files with 11 additions and 0 deletions
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4
mdadm.h
View File

@ -305,6 +305,9 @@ struct mdinfo {
#define DS_REMOVE 1024
#define DS_UNBLOCK 2048
int prev_state, curr_state, next_state;
/* info read from sysfs */
char sysfs_array_state[20];
};
struct createinfo {
@ -588,6 +591,7 @@ enum sysfs_read_flags {
GET_SIZE = (1 << 22),
GET_STATE = (1 << 23),
GET_ERROR = (1 << 24),
GET_ARRAY_STATE = (1 << 25),
};
/* If fd >= 0, get the array it is open on,

7
sysfs.c
View File

@ -230,6 +230,13 @@ struct mdinfo *sysfs_read(int fd, char *devnm, unsigned long options)
goto abort;
}
if (options & GET_ARRAY_STATE) {
strcpy(base, "array_state");
if (load_sys(fname, sra->sysfs_array_state))
goto abort;
} else
sra->sysfs_array_state[0] = 0;
if (! (options & GET_DEVS))
return sra;