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Merge branch 'for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs

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Pull btrfs fixes from Chris Mason:
 "I'm still prepping a set of fixes for btrfs fsync, just nailing down a
  hard to trigger memory corruption.  For now, these are tested and ready."

* 'for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  btrfs: fix one bug that process may endlessly wait for ticket in wait_reserve_ticket()
  Btrfs: fix endless loop in balancing block groups
  Btrfs: kill invalid ASSERT() in process_all_refs()
This commit is contained in:
Linus Torvalds 2016-09-03 12:40:45 -07:00
commit 4b30b6d126
3 changed files with 15 additions and 11 deletions
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10
fs/btrfs/extent-tree.c
View File

@ -4901,11 +4901,6 @@ btrfs_calc_reclaim_metadata_size(struct btrfs_root *root,
u64 expected;
u64 to_reclaim = 0;
to_reclaim = min_t(u64, num_online_cpus() * SZ_1M, SZ_16M);
if (can_overcommit(root, space_info, to_reclaim,
BTRFS_RESERVE_FLUSH_ALL))
return 0;
list_for_each_entry(ticket, &space_info->tickets, list)
to_reclaim += ticket->bytes;
list_for_each_entry(ticket, &space_info->priority_tickets, list)
@ -4913,6 +4908,11 @@ btrfs_calc_reclaim_metadata_size(struct btrfs_root *root,
if (to_reclaim)
return to_reclaim;
to_reclaim = min_t(u64, num_online_cpus() * SZ_1M, SZ_16M);
if (can_overcommit(root, space_info, to_reclaim,
BTRFS_RESERVE_FLUSH_ALL))
return 0;
used = space_info->bytes_used + space_info->bytes_reserved +
space_info->bytes_pinned + space_info->bytes_readonly +
space_info->bytes_may_use;

8
fs/btrfs/relocation.c
View File

@ -4200,9 +4200,11 @@ restart:
err = PTR_ERR(trans);
goto out_free;
}
err = qgroup_fix_relocated_data_extents(trans, rc);
if (err < 0) {
btrfs_abort_transaction(trans, err);
ret = qgroup_fix_relocated_data_extents(trans, rc);
if (ret < 0) {
btrfs_abort_transaction(trans, ret);
if (!err)
err = ret;
goto out_free;
}
btrfs_commit_transaction(trans, rc->extent_root);

8
fs/btrfs/send.c
View File

@ -4268,10 +4268,12 @@ static int process_all_refs(struct send_ctx *sctx,
}
btrfs_release_path(path);
/*
* We don't actually care about pending_move as we are simply
* re-creating this inode and will be rename'ing it into place once we
* rename the parent directory.
*/
ret = process_recorded_refs(sctx, &pending_move);
/* Only applicable to an incremental send. */
ASSERT(pending_move == 0);
out:
btrfs_free_path(path);
return ret;