aboutsummaryrefslogtreecommitdiff
path: root/fs/btrfs/volumes.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/btrfs/volumes.c')
-rw-r--r--fs/btrfs/volumes.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index dfe5e3a22f5..029b903a4ae 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1475,6 +1475,9 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path)
free_fs_devices(cur_devices);
}
+ root->fs_info->num_tolerated_disk_barrier_failures =
+ btrfs_calc_num_tolerated_disk_barrier_failures(root->fs_info);
+
/*
* at this point, the device is zero sized. We want to
* remove it from the devices list and zero out the old super
@@ -1799,6 +1802,8 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path)
btrfs_clear_space_info_full(root->fs_info);
unlock_chunks(root);
+ root->fs_info->num_tolerated_disk_barrier_failures =
+ btrfs_calc_num_tolerated_disk_barrier_failures(root->fs_info);
ret = btrfs_commit_transaction(trans, root);
if (seeding_dev) {
@@ -2809,6 +2814,26 @@ int btrfs_balance(struct btrfs_balance_control *bctl,
}
}
+ if (bctl->sys.flags & BTRFS_BALANCE_ARGS_CONVERT) {
+ int num_tolerated_disk_barrier_failures;
+ u64 target = bctl->sys.target;
+
+ num_tolerated_disk_barrier_failures =
+ btrfs_calc_num_tolerated_disk_barrier_failures(fs_info);
+ if (num_tolerated_disk_barrier_failures > 0 &&
+ (target &
+ (BTRFS_BLOCK_GROUP_DUP | BTRFS_BLOCK_GROUP_RAID0 |
+ BTRFS_AVAIL_ALLOC_BIT_SINGLE)))
+ num_tolerated_disk_barrier_failures = 0;
+ else if (num_tolerated_disk_barrier_failures > 1 &&
+ (target &
+ (BTRFS_BLOCK_GROUP_RAID1 | BTRFS_BLOCK_GROUP_RAID10)))
+ num_tolerated_disk_barrier_failures = 1;
+
+ fs_info->num_tolerated_disk_barrier_failures =
+ num_tolerated_disk_barrier_failures;
+ }
+
ret = insert_balance_item(fs_info->tree_root, bctl);
if (ret && ret != -EEXIST)
goto out;
@@ -2841,6 +2866,11 @@ int btrfs_balance(struct btrfs_balance_control *bctl,
__cancel_balance(fs_info);
}
+ if (bctl->sys.flags & BTRFS_BALANCE_ARGS_CONVERT) {
+ fs_info->num_tolerated_disk_barrier_failures =
+ btrfs_calc_num_tolerated_disk_barrier_failures(fs_info);
+ }
+
wake_up(&fs_info->balance_wait_q);
return ret;