diff options
| -rw-r--r-- | c_src/libbcachefs.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/c_src/libbcachefs.c b/c_src/libbcachefs.c index c8503839..31644ea1 100644 --- a/c_src/libbcachefs.c +++ b/c_src/libbcachefs.c @@ -16,6 +16,7 @@ #include <uuid/uuid.h> +#include <linux/fs.h> #include <linux/mm.h> #include "libbcachefs.h" @@ -447,12 +448,19 @@ int bcache_fs_open_fallible(const char *path, struct bchfs_handle *fs) fs->uuid = uuid.uuid; - char uuid_str[40]; - uuid_unparse(uuid.uuid.b, uuid_str); + struct fs_sysfs_path fs_sysfs_path; + if (!ioctl(path_fd, FS_IOC_GETFSSYSFSPATH, &fs_sysfs_path)) { + char *sysfs = mprintf("/sys/fs/%s", fs_sysfs_path.name); + fs->sysfs_fd = xopen(sysfs, O_RDONLY); + free(sysfs); + } else { + char uuid_str[40]; + uuid_unparse(uuid.uuid.b, uuid_str); - char *sysfs = mprintf(SYSFS_BASE "%s", uuid_str); - fs->sysfs_fd = xopen(sysfs, O_RDONLY); - free(sysfs); + char *sysfs = mprintf(SYSFS_BASE "%s", uuid_str); + fs->sysfs_fd = xopen(sysfs, O_RDONLY); + free(sysfs); + } return 0; } |