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Merge branch 'for-linus-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs

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Pull btrfs fixes from Chris Mason:
 "This has Mark Fasheh's patches to fix quota accounting during subvol
  deletion, which we've been working on for a while now.  The patch is
  pretty small but it's a key fix.

  Otherwise it's a random assortment"

* 'for-linus-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  btrfs: fix balance range usage filters in 4.4-rc
  btrfs: qgroup: account shared subtree during snapshot delete
  Btrfs: use btrfs_get_fs_root in resolve_indirect_ref
  btrfs: qgroup: fix quota disable during rescan
  Btrfs: fix race between cleaner kthread and space cache writeout
  Btrfs: fix scrub preventing unused block groups from being deleted
  Btrfs: fix race between scrub and block group deletion
  btrfs: fix rcu warning during device replace
  btrfs: Continue replace when set_block_ro failed
  btrfs: fix clashing number of the enhanced balance usage filter
  Btrfs: fix the number of transaction units needed to remove a block group
  Btrfs: use global reserve when deleting unused block group after ENOSPC
  Btrfs: tests: checking for NULL instead of IS_ERR()
  btrfs: fix signed overflows in btrfs_sync_file
This commit is contained in:
Linus Torvalds
2015-11-27 15:45:45 -08:00
parent 7e4b9359f4 dba72cb30b
commit 80e0c505b2
12 changed files with 219 additions and 66 deletions
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24
fs/btrfs/inode.c
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@@ -4046,9 +4046,7 @@ int btrfs_unlink_inode(struct btrfs_trans_handle *trans,
*/
static struct btrfs_trans_handle *__unlink_start_trans(struct inode *dir)
{
struct btrfs_trans_handle *trans;
struct btrfs_root *root = BTRFS_I(dir)->root;
int ret;
/*
* 1 for the possible orphan item
@@ -4057,27 +4055,7 @@ static struct btrfs_trans_handle *__unlink_start_trans(struct inode *dir)
* 1 for the inode ref
* 1 for the inode
*/
trans = btrfs_start_transaction(root, 5);
if (!IS_ERR(trans) || PTR_ERR(trans) != -ENOSPC)
return trans;
if (PTR_ERR(trans) == -ENOSPC) {
u64 num_bytes = btrfs_calc_trans_metadata_size(root, 5);
trans = btrfs_start_transaction(root, 0);
if (IS_ERR(trans))
return trans;
ret = btrfs_cond_migrate_bytes(root->fs_info,
&root->fs_info->trans_block_rsv,
num_bytes, 5);
if (ret) {
btrfs_end_transaction(trans, root);
return ERR_PTR(ret);
}
trans->block_rsv = &root->fs_info->trans_block_rsv;
trans->bytes_reserved = num_bytes;
}
return trans;
return btrfs_start_transaction_fallback_global_rsv(root, 5, 5);
}
static int btrfs_unlink(struct inode *dir, struct dentry *dentry)