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Merge branch 'restriper' of git://github.com/idryomov/btrfs-unstable into integration

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This commit is contained in:
Chris Mason
2012-01-16 15:26:02 -05:00
parent 64e05503ab 19a39dce3b
commit 27263e2832
8 changed files with 1385 additions and 98 deletions
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18
fs/btrfs/disk-io.c
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@@ -2002,6 +2002,14 @@ struct btrfs_root *open_ctree(struct super_block *sb,
init_rwsem(&fs_info->scrub_super_lock);
fs_info->scrub_workers_refcnt = 0;
spin_lock_init(&fs_info->balance_lock);
mutex_init(&fs_info->balance_mutex);
atomic_set(&fs_info->balance_running, 0);
atomic_set(&fs_info->balance_pause_req, 0);
atomic_set(&fs_info->balance_cancel_req, 0);
fs_info->balance_ctl = NULL;
init_waitqueue_head(&fs_info->balance_wait_q);
sb->s_blocksize = 4096;
sb->s_blocksize_bits = blksize_bits(4096);
sb->s_bdi = &fs_info->bdi;
@@ -2321,9 +2329,6 @@ retry_root_backup:
fs_info->generation = generation;
fs_info->last_trans_committed = generation;
fs_info->data_alloc_profile = (u64)-1;
fs_info->metadata_alloc_profile = (u64)-1;
fs_info->system_alloc_profile = fs_info->metadata_alloc_profile;
ret = btrfs_init_space_info(fs_info);
if (ret) {
@@ -2426,6 +2431,10 @@ retry_root_backup:
if (!err)
err = btrfs_orphan_cleanup(fs_info->tree_root);
up_read(&fs_info->cleanup_work_sem);
if (!err)
err = btrfs_recover_balance(fs_info->tree_root);
if (err) {
close_ctree(tree_root);
return ERR_PTR(err);
@@ -2975,6 +2984,9 @@ int close_ctree(struct btrfs_root *root)
fs_info->closing = 1;
smp_mb();
/* pause restriper - we want to resume on mount */
btrfs_pause_balance(root->fs_info);
btrfs_scrub_cancel(root);
/* wait for any defraggers to finish */