diff options
| -rw-r--r-- | cmds-device.c | 5 | ||||
| -rw-r--r-- | cmds-filesystem.c | 2 | ||||
| -rw-r--r-- | disk-io.c | 2 | ||||
| -rw-r--r-- | utils.c | 14 | ||||
| -rw-r--r-- | utils.h | 2 |
5 files changed, 17 insertions, 8 deletions
diff --git a/cmds-device.c b/cmds-device.c index 8a33634e..93239861 100644 --- a/cmds-device.c +++ b/cmds-device.c @@ -235,9 +235,12 @@ static int cmd_scan_dev(int argc, char **argv) if (all || argc == 1) { printf("Scanning for Btrfs filesystems\n"); - ret = btrfs_scan_lblkid(BTRFS_UPDATE_KERNEL); + ret = btrfs_scan_lblkid(); if (ret) fprintf(stderr, "ERROR: error %d while scanning\n", ret); + ret = btrfs_register_all_devices(); + if (ret) + fprintf(stderr, "ERROR: error %d while registering\n", ret); goto out; } diff --git a/cmds-filesystem.c b/cmds-filesystem.c index b1fb4023..af56fbeb 100644 --- a/cmds-filesystem.c +++ b/cmds-filesystem.c @@ -948,7 +948,7 @@ static int cmd_show(int argc, char **argv) goto out; devs_only: - ret = btrfs_scan_lblkid(!BTRFS_UPDATE_KERNEL); + ret = btrfs_scan_lblkid(); if (ret) { fprintf(stderr, "ERROR: %d while scanning\n", ret); @@ -1019,7 +1019,7 @@ int btrfs_scan_fs_devices(int fd, const char *path, } if (total_devs != 1) { - ret = btrfs_scan_lblkid(!BTRFS_UPDATE_KERNEL); + ret = btrfs_scan_lblkid(); if (ret) return ret; } @@ -52,6 +52,8 @@ #define BLKDISCARD _IO(0x12,119) #endif +static int btrfs_scan_done = 0; + static char argv0_buf[ARGV0_BUF_SIZE] = "btrfs"; void fixup_argv0(char **argv, const char *token) @@ -1186,7 +1188,7 @@ int check_mounted_where(int fd, const char *file, char *where, int size, /* scan other devices */ if (is_btrfs && total_devs > 1) { - ret = btrfs_scan_lblkid(!BTRFS_UPDATE_KERNEL); + ret = btrfs_scan_lblkid(); if (ret) return ret; } @@ -2179,7 +2181,7 @@ int test_dev_for_mkfs(char *file, int force_overwrite, char *estr) return 0; } -int btrfs_scan_lblkid(int update_kernel) +int btrfs_scan_lblkid() { int fd = -1; int ret; @@ -2190,6 +2192,9 @@ int btrfs_scan_lblkid(int update_kernel) blkid_cache cache = NULL; char path[PATH_MAX]; + if (btrfs_scan_done) + return 0; + if (blkid_get_cache(&cache, 0) < 0) { printf("ERROR: lblkid cache get failed\n"); return 1; @@ -2218,11 +2223,12 @@ int btrfs_scan_lblkid(int update_kernel) } close(fd); - if (update_kernel) - btrfs_register_one_device(path); } blkid_dev_iterate_end(iter); blkid_put_cache(cache); + + btrfs_scan_done = 1; + return 0; } @@ -128,7 +128,7 @@ int csum_tree_block(struct btrfs_root *root, struct extent_buffer *buf, int verify); int ask_user(char *question); int lookup_ino_rootid(int fd, u64 *rootid); -int btrfs_scan_lblkid(int update_kernel); +int btrfs_scan_lblkid(void); int get_btrfs_mount(const char *dev, char *mp, size_t mp_size); int find_mount_root(const char *path, char **mount_root); int get_device_info(int fd, u64 devid, |