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Btrfs: restore restriper state on all mounts

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Fix a bug that triggered asserts in btrfs_balance() in both normal and
resume modes -- restriper state was not properly restored on read-only
mounts.  This factors out resuming code from btrfs_restore_balance(),
which is now also called earlier in the mount sequence to avoid the
problem of some early writes getting the old profile.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov 2012-06-22 12:24:12 -06:00 • committed by Chris Mason
parent c3473e8300
commit 68310a5e42
3 changed files with 29 additions and 28 deletions
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10
fs/btrfs/disk-io.c
View file

@ -2354,12 +2354,17 @@ retry_root_backup:
BTRFS_CSUM_TREE_OBJECTID, csum_root);
if (ret)
goto recovery_tree_root;
csum_root->track_dirty = 1;
fs_info->generation = generation;
fs_info->last_trans_committed = generation;
ret = btrfs_recover_balance(fs_info);
if (ret) {
printk(KERN_WARNING "btrfs: failed to recover balance\n");
goto fail_block_groups;
}
ret = btrfs_init_dev_stats(fs_info);
if (ret) {
printk(KERN_ERR "btrfs: failed to init dev_stats: %d\n",
@ -2492,9 +2497,6 @@ retry_root_backup:
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;