xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'for-linus' into raid56-experimental

Browse Source 
Conflicts:
	fs/btrfs/volumes.c

Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Chris Mason
2013-02-05 10:04:03 -05:00
parent 1f0905ec15 1eafa6c737
commit 0e4e026366
14 changed files with 300 additions and 98 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
fs/btrfs/volumes.c
View File

@@ -1449,7 +1449,7 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path)
}
} else {
ret = btrfs_get_bdev_and_sb(device_path,
FMODE_READ | FMODE_EXCL,
FMODE_WRITE | FMODE_EXCL,
root->fs_info->bdev_holder, 0,
&bdev, &bh);
if (ret)
@@ -2633,7 +2633,14 @@ static int chunk_usage_filter(struct btrfs_fs_info *fs_info, u64 chunk_offset,
cache = btrfs_lookup_block_group(fs_info, chunk_offset);
chunk_used = btrfs_block_group_used(&cache->item);
user_thresh = div_factor_fine(cache->key.offset, bargs->usage);
if (bargs->usage == 0)
user_thresh = 0;
else if (bargs->usage > 100)
user_thresh = cache->key.offset;
else
user_thresh = div_factor_fine(cache->key.offset,
bargs->usage);
if (chunk_used < user_thresh)
ret = 0;
@@ -2982,6 +2989,8 @@ static void __cancel_balance(struct btrfs_fs_info *fs_info)
unset_balance_control(fs_info);
ret = del_balance_item(fs_info->tree_root);
BUG_ON(ret);
atomic_set(&fs_info->mutually_exclusive_operation_running, 0);
}
void update_ioctl_balance_args(struct btrfs_fs_info *fs_info, int lock,
@@ -3169,8 +3178,10 @@ int btrfs_balance(struct btrfs_balance_control *bctl,
out:
if (bctl->flags & BTRFS_BALANCE_RESUME)
__cancel_balance(fs_info);
else
else {
kfree(bctl);
atomic_set(&fs_info->mutually_exclusive_operation_running, 0);
}
return ret;
}
@@ -3187,7 +3198,6 @@ static int balance_kthread(void *data)
ret = btrfs_balance(fs_info->balance_ctl, NULL);
}
atomic_set(&fs_info->mutually_exclusive_operation_running, 0);
mutex_unlock(&fs_info->balance_mutex);
mutex_unlock(&fs_info->volume_mutex);
@@ -3210,7 +3220,6 @@ int btrfs_resume_balance_async(struct btrfs_fs_info *fs_info)
return 0;
}
WARN_ON(atomic_xchg(&fs_info->mutually_exclusive_operation_running, 1));
tsk = kthread_run(balance_kthread, fs_info, "btrfs-balance");
if (IS_ERR(tsk))
return PTR_ERR(tsk);
@@ -3264,6 +3273,8 @@ int btrfs_recover_balance(struct btrfs_fs_info *fs_info)
btrfs_balance_sys(leaf, item, &disk_bargs);
btrfs_disk_balance_args_to_cpu(&bctl->sys, &disk_bargs);
WARN_ON(atomic_xchg(&fs_info->mutually_exclusive_operation_running, 1));
mutex_lock(&fs_info->volume_mutex);
mutex_lock(&fs_info->balance_mutex);
@@ -3535,7 +3546,7 @@ struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = {
{ 1, 1, 2, 2, 2, 2 /* raid1 */ },
{ 1, 2, 1, 1, 1, 2 /* dup */ },
{ 1, 1, 0, 2, 1, 1 /* raid0 */ },
{ 1, 1, 0, 1, 1, 1 /* single */ },
{ 1, 1, 1, 1, 1, 1 /* single */ },
{ 1, 1, 0, 2, 1, 2 /* raid5 */ },
{ 1, 1, 0, 3, 1, 3 /* raid6 */ },
};