diff options
Diffstat (limited to 'sysfs.c')
| -rw-r--r-- | sysfs.c | 55 |
1 files changed, 55 insertions, 0 deletions
@@ -25,6 +25,7 @@ #include "mdadm.h" #include <dirent.h> +#include <ctype.h> int load_sys(char *path, char *buf) { @@ -185,6 +186,35 @@ struct mdinfo *sysfs_read(int fd, int devnum, unsigned long options) goto abort; sra->mismatch_cnt = strtoul(buf, NULL, 0); } + if (options & GET_SAFEMODE) { + int scale = 1; + int dot = 0; + int i; + unsigned long msec; + size_t len; + + strcpy(base, "safe_mode_delay"); + if (load_sys(fname, buf)) + goto abort; + + /* remove a period, and count digits after it */ + len = strlen(buf); + for (i = 0; i < len; i++) { + if (dot) { + if (isdigit(buf[i])) { + buf[i-1] = buf[i]; + scale *= 10; + } + buf[i] = 0; + } else if (buf[i] == '.') { + dot=1; + buf[i] = 0; + } + } + msec = strtoul(buf, NULL, 10); + msec = (msec * 1000) / scale; + sra->safe_mode_delay = msec; + } if (! (options & GET_DEVS)) return sra; @@ -265,6 +295,31 @@ struct mdinfo *sysfs_read(int fd, int devnum, unsigned long options) return NULL; } +int sysfs_attr_match(const char *attr, const char *str) +{ + /* See if attr, read from a sysfs file, matches + * str. They must either be the same, or attr can + * have a trailing newline or comma + */ + while (*attr && *str && *attr == *str) { + attr++; + str++; + } + + if (*str || (*attr && *attr != ',' && *attr != '\n')) + return 0; + return 1; +} + +int sysfs_match_word(const char *word, char **list) +{ + int n; + for (n=0; list[n]; n++) + if (sysfs_attr_match(word, list[n])) + break; + return n; +} + unsigned long long get_component_size(int fd) { /* Find out the component size of the array. |