diff options
author | Wang Shilong <wangsl.fnst@cn.fujitsu.com> | 2013-09-18 16:27:34 +0800 |
---|---|---|
committer | Chris Mason <chris.mason@fusionio.com> | 2013-10-16 08:22:26 -0400 |
commit | 77801d34d02e04ea4d5344415015a2ce84e0b653 (patch) | |
tree | 6808d39403622ac4129d2090aa02ef7bdeb07e58 | |
parent | e353813b7c7ce23d1dfa6dbc29426843ea5f8382 (diff) |
Btrfs-progs: pass flag to control whether run ioctl in btrfs_scan_for_fsid()
If some fatal superblocks are damaged, running ioctl will return failure,
in this case, we should avoid run ioctl.
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
-rw-r--r-- | btrfs-find-root.c | 2 | ||||
-rw-r--r-- | chunk-recover.c | 2 | ||||
-rw-r--r-- | disk-io.c | 6 | ||||
-rw-r--r-- | disk-io.h | 3 |
4 files changed, 7 insertions, 6 deletions
diff --git a/btrfs-find-root.c b/btrfs-find-root.c index b48c8004..7572f520 100644 --- a/btrfs-find-root.c +++ b/btrfs-find-root.c @@ -82,7 +82,7 @@ static struct btrfs_root *open_ctree_broken(int fd, const char *device) return NULL; } - ret = btrfs_scan_fs_devices(fd, device, &fs_devices, 0); + ret = btrfs_scan_fs_devices(fd, device, &fs_devices, 0, 1); if (ret) goto out; diff --git a/chunk-recover.c b/chunk-recover.c index 45da9a65..9af4887c 100644 --- a/chunk-recover.c +++ b/chunk-recover.c @@ -1291,7 +1291,7 @@ static int recover_prepare(struct recover_control *rc, char *path) goto fail_free_sb; } - ret = btrfs_scan_fs_devices(fd, path, &fs_devices, 0); + ret = btrfs_scan_fs_devices(fd, path, &fs_devices, 0, 1); if (ret) goto fail_free_sb; @@ -911,7 +911,7 @@ void btrfs_cleanup_all_caches(struct btrfs_fs_info *fs_info) int btrfs_scan_fs_devices(int fd, const char *path, struct btrfs_fs_devices **fs_devices, - u64 sb_bytenr) + u64 sb_bytenr, int run_ioctl) { u64 total_devs; int ret; @@ -926,7 +926,7 @@ int btrfs_scan_fs_devices(int fd, const char *path, } if (total_devs != 1) { - ret = btrfs_scan_for_fsid(1); + ret = btrfs_scan_for_fsid(run_ioctl); if (ret) return ret; } @@ -1005,7 +1005,7 @@ static struct btrfs_fs_info *__open_ctree_fd(int fp, const char *path, if (restore) fs_info->on_restoring = 1; - ret = btrfs_scan_fs_devices(fp, path, &fs_devices, sb_bytenr); + ret = btrfs_scan_fs_devices(fp, path, &fs_devices, sb_bytenr, 1); if (ret) goto out; @@ -57,7 +57,8 @@ int btrfs_setup_all_roots(struct btrfs_fs_info *fs_info, void btrfs_release_all_roots(struct btrfs_fs_info *fs_info); void btrfs_cleanup_all_caches(struct btrfs_fs_info *fs_info); int btrfs_scan_fs_devices(int fd, const char *path, - struct btrfs_fs_devices **fs_devices, u64 sb_bytenr); + struct btrfs_fs_devices **fs_devices, u64 sb_bytenr, + int run_ioctl); int btrfs_setup_chunk_tree_and_device_map(struct btrfs_fs_info *fs_info); struct btrfs_root *open_ctree(const char *filename, u64 sb_bytenr, int writes); |