diff options
Diffstat (limited to 'lib/device/dev-cache.c')
| -rw-r--r-- | lib/device/dev-cache.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/device/dev-cache.c b/lib/device/dev-cache.c index 0eb2568b5..65e1cb138 100644 --- a/lib/device/dev-cache.c +++ b/lib/device/dev-cache.c @@ -80,6 +80,7 @@ static void _dev_init(struct device *dev) dm_list_init(&dev->aliases); dm_list_init(&dev->ids); + dm_list_init(&dev->wwids); } void dev_destroy_file(struct device *dev) @@ -383,6 +384,22 @@ out: return 1; } +int get_sysfs_binary(const char *path, char *buf, size_t buf_size, int *retlen) +{ + int ret; + int fd; + + fd = open(path, O_RDONLY); + if (fd < 0) + return 0; + ret = read(fd, buf, buf_size); + close(fd); + if (ret <= 0) + return 0; + *retlen = ret; + return 1; +} + int get_sysfs_value(const char *path, char *buf, size_t buf_size, int error_if_no_value) { FILE *fp; @@ -1336,6 +1353,7 @@ int dev_cache_exit(void) dm_hash_iterate(n, _cache.names) { dev = (struct device *) dm_hash_get_data(_cache.names, n); free_dids(&dev->ids); + free_wwids(&dev->wwids); } } |