diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/btrfs/inode.c | 64 |
1 files changed, 45 insertions, 19 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 3662ffec17d9..d83025063ee7 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c | |||
@@ -3597,13 +3597,15 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size) | |||
3597 | err = btrfs_drop_extents(trans, inode, cur_offset, | 3597 | err = btrfs_drop_extents(trans, inode, cur_offset, |
3598 | cur_offset + hole_size, | 3598 | cur_offset + hole_size, |
3599 | &hint_byte, 1); | 3599 | &hint_byte, 1); |
3600 | BUG_ON(err); | 3600 | if (err) |
3601 | break; | ||
3601 | 3602 | ||
3602 | err = btrfs_insert_file_extent(trans, root, | 3603 | err = btrfs_insert_file_extent(trans, root, |
3603 | inode->i_ino, cur_offset, 0, | 3604 | inode->i_ino, cur_offset, 0, |
3604 | 0, hole_size, 0, hole_size, | 3605 | 0, hole_size, 0, hole_size, |
3605 | 0, 0, 0); | 3606 | 0, 0, 0); |
3606 | BUG_ON(err); | 3607 | if (err) |
3608 | break; | ||
3607 | 3609 | ||
3608 | btrfs_drop_extent_cache(inode, hole_start, | 3610 | btrfs_drop_extent_cache(inode, hole_start, |
3609 | last_byte - 1, 0); | 3611 | last_byte - 1, 0); |
@@ -3641,7 +3643,10 @@ static int btrfs_setsize(struct inode *inode, loff_t newsize) | |||
3641 | btrfs_set_trans_block_group(trans, inode); | 3643 | btrfs_set_trans_block_group(trans, inode); |
3642 | 3644 | ||
3643 | ret = btrfs_orphan_add(trans, inode); | 3645 | ret = btrfs_orphan_add(trans, inode); |
3644 | BUG_ON(ret); | 3646 | if (ret) { |
3647 | btrfs_end_transaction(trans, root); | ||
3648 | return ret; | ||
3649 | } | ||
3645 | 3650 | ||
3646 | nr = trans->blocks_used; | 3651 | nr = trans->blocks_used; |
3647 | btrfs_end_transaction(trans, root); | 3652 | btrfs_end_transaction(trans, root); |
@@ -3658,17 +3663,24 @@ static int btrfs_setsize(struct inode *inode, loff_t newsize) | |||
3658 | } | 3663 | } |
3659 | 3664 | ||
3660 | trans = btrfs_start_transaction(root, 0); | 3665 | trans = btrfs_start_transaction(root, 0); |
3661 | BUG_ON(IS_ERR(trans)); | 3666 | if (IS_ERR(trans)) |
3667 | return PTR_ERR(trans); | ||
3668 | |||
3662 | btrfs_set_trans_block_group(trans, inode); | 3669 | btrfs_set_trans_block_group(trans, inode); |
3663 | trans->block_rsv = root->orphan_block_rsv; | 3670 | trans->block_rsv = root->orphan_block_rsv; |
3664 | BUG_ON(!trans->block_rsv); | 3671 | BUG_ON(!trans->block_rsv); |
3665 | 3672 | ||
3673 | /* | ||
3674 | * If this fails just leave the orphan item so that it can get | ||
3675 | * cleaned up next time we mount. | ||
3676 | */ | ||
3666 | ret = btrfs_update_inode(trans, root, inode); | 3677 | ret = btrfs_update_inode(trans, root, inode); |
3667 | BUG_ON(ret); | 3678 | if (ret) { |
3668 | if (inode->i_nlink > 0) { | 3679 | btrfs_end_transaction(trans, root); |
3669 | ret = btrfs_orphan_del(trans, inode); | 3680 | return ret; |
3670 | BUG_ON(ret); | ||
3671 | } | 3681 | } |
3682 | if (inode->i_nlink > 0) | ||
3683 | ret = btrfs_orphan_del(trans, inode); | ||
3672 | nr = trans->blocks_used; | 3684 | nr = trans->blocks_used; |
3673 | btrfs_end_transaction(trans, root); | 3685 | btrfs_end_transaction(trans, root); |
3674 | btrfs_btree_balance_dirty(root, nr); | 3686 | btrfs_btree_balance_dirty(root, nr); |
@@ -6478,6 +6490,7 @@ static int btrfs_truncate(struct inode *inode) | |||
6478 | { | 6490 | { |
6479 | struct btrfs_root *root = BTRFS_I(inode)->root; | 6491 | struct btrfs_root *root = BTRFS_I(inode)->root; |
6480 | int ret; | 6492 | int ret; |
6493 | int err = 0; | ||
6481 | struct btrfs_trans_handle *trans; | 6494 | struct btrfs_trans_handle *trans; |
6482 | unsigned long nr; | 6495 | unsigned long nr; |
6483 | u64 mask = root->sectorsize - 1; | 6496 | u64 mask = root->sectorsize - 1; |
@@ -6490,7 +6503,8 @@ static int btrfs_truncate(struct inode *inode) | |||
6490 | btrfs_ordered_update_i_size(inode, inode->i_size, NULL); | 6503 | btrfs_ordered_update_i_size(inode, inode->i_size, NULL); |
6491 | 6504 | ||
6492 | trans = btrfs_start_transaction(root, 0); | 6505 | trans = btrfs_start_transaction(root, 0); |
6493 | BUG_ON(IS_ERR(trans)); | 6506 | if (IS_ERR(trans)) |
6507 | return PTR_ERR(trans); | ||
6494 | btrfs_set_trans_block_group(trans, inode); | 6508 | btrfs_set_trans_block_group(trans, inode); |
6495 | trans->block_rsv = root->orphan_block_rsv; | 6509 | trans->block_rsv = root->orphan_block_rsv; |
6496 | 6510 | ||
@@ -6517,29 +6531,38 @@ static int btrfs_truncate(struct inode *inode) | |||
6517 | while (1) { | 6531 | while (1) { |
6518 | if (!trans) { | 6532 | if (!trans) { |
6519 | trans = btrfs_start_transaction(root, 0); | 6533 | trans = btrfs_start_transaction(root, 0); |
6520 | BUG_ON(IS_ERR(trans)); | 6534 | if (IS_ERR(trans)) |
6535 | return PTR_ERR(trans); | ||
6521 | btrfs_set_trans_block_group(trans, inode); | 6536 | btrfs_set_trans_block_group(trans, inode); |
6522 | trans->block_rsv = root->orphan_block_rsv; | 6537 | trans->block_rsv = root->orphan_block_rsv; |
6523 | } | 6538 | } |
6524 | 6539 | ||
6525 | ret = btrfs_block_rsv_check(trans, root, | 6540 | ret = btrfs_block_rsv_check(trans, root, |
6526 | root->orphan_block_rsv, 0, 5); | 6541 | root->orphan_block_rsv, 0, 5); |
6527 | if (ret) { | 6542 | if (ret == -EAGAIN) { |
6528 | BUG_ON(ret != -EAGAIN); | ||
6529 | ret = btrfs_commit_transaction(trans, root); | 6543 | ret = btrfs_commit_transaction(trans, root); |
6530 | BUG_ON(ret); | 6544 | if (ret) |
6545 | return ret; | ||
6531 | trans = NULL; | 6546 | trans = NULL; |
6532 | continue; | 6547 | continue; |
6548 | } else if (ret) { | ||
6549 | err = ret; | ||
6550 | break; | ||
6533 | } | 6551 | } |
6534 | 6552 | ||
6535 | ret = btrfs_truncate_inode_items(trans, root, inode, | 6553 | ret = btrfs_truncate_inode_items(trans, root, inode, |
6536 | inode->i_size, | 6554 | inode->i_size, |
6537 | BTRFS_EXTENT_DATA_KEY); | 6555 | BTRFS_EXTENT_DATA_KEY); |
6538 | if (ret != -EAGAIN) | 6556 | if (ret != -EAGAIN) { |
6557 | err = ret; | ||
6539 | break; | 6558 | break; |
6559 | } | ||
6540 | 6560 | ||
6541 | ret = btrfs_update_inode(trans, root, inode); | 6561 | ret = btrfs_update_inode(trans, root, inode); |
6542 | BUG_ON(ret); | 6562 | if (ret) { |
6563 | err = ret; | ||
6564 | break; | ||
6565 | } | ||
6543 | 6566 | ||
6544 | nr = trans->blocks_used; | 6567 | nr = trans->blocks_used; |
6545 | btrfs_end_transaction(trans, root); | 6568 | btrfs_end_transaction(trans, root); |
@@ -6549,18 +6572,21 @@ static int btrfs_truncate(struct inode *inode) | |||
6549 | 6572 | ||
6550 | if (ret == 0 && inode->i_nlink > 0) { | 6573 | if (ret == 0 && inode->i_nlink > 0) { |
6551 | ret = btrfs_orphan_del(trans, inode); | 6574 | ret = btrfs_orphan_del(trans, inode); |
6552 | BUG_ON(ret); | 6575 | if (ret) |
6576 | err = ret; | ||
6553 | } | 6577 | } |
6554 | 6578 | ||
6555 | ret = btrfs_update_inode(trans, root, inode); | 6579 | ret = btrfs_update_inode(trans, root, inode); |
6556 | BUG_ON(ret); | 6580 | if (ret && !err) |
6581 | err = ret; | ||
6557 | 6582 | ||
6558 | nr = trans->blocks_used; | 6583 | nr = trans->blocks_used; |
6559 | ret = btrfs_end_transaction_throttle(trans, root); | 6584 | ret = btrfs_end_transaction_throttle(trans, root); |
6560 | BUG_ON(ret); | 6585 | if (ret && !err) |
6586 | err = ret; | ||
6561 | btrfs_btree_balance_dirty(root, nr); | 6587 | btrfs_btree_balance_dirty(root, nr); |
6562 | 6588 | ||
6563 | return ret; | 6589 | return err; |
6564 | } | 6590 | } |
6565 | 6591 | ||
6566 | /* | 6592 | /* |