On 05/09/2017 01:56 PM, Chris Mason wrote:
> Hi Linus,
>
> My for-linus-4.12 branch:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git for-linus-4.12
I hit send too soon, sorry. There's a trivial conflict with our WARN_ON
fix that went into 4.11. I pushed the resolution to
for-linus-4.12-merged.
diff --cc fs/btrfs/qgroup.c
index afbea61,3f75b5c..deffbeb
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@@ -1078,7 -1031,8 +1034,8 @@@ static int __qgroup_excl_accounting(str
qgroup->excl += sign * num_bytes;
qgroup->excl_cmpr += sign * num_bytes;
if (sign > 0) {
+ trace_qgroup_update_reserve(fs_info, qgroup, -(s64)num_bytes);
- if (WARN_ON(qgroup->reserved < num_bytes))
+ if (qgroup->reserved < num_bytes)
report_reserved_underflow(fs_info, qgroup, num_bytes);
else
qgroup->reserved -= num_bytes;
@@@ -1103,7 -1057,9 +1060,9 @@@
WARN_ON(sign < 0 && qgroup->excl < num_bytes);
qgroup->excl += sign * num_bytes;
if (sign > 0) {
+ trace_qgroup_update_reserve(fs_info, qgroup,
+ -(s64)num_bytes);
- if (WARN_ON(qgroup->reserved < num_bytes))
+ if (qgroup->reserved < num_bytes)
report_reserved_underflow(fs_info, qgroup,
num_bytes);
else
@@@ -2472,7 -2451,8 +2454,8 @@@ void btrfs_qgroup_free_refroot(struct b
qg = unode_aux_to_qgroup(unode);
+ trace_qgroup_update_reserve(fs_info, qg, -(s64)num_bytes);
- if (WARN_ON(qg->reserved < num_bytes))
+ if (qg->reserved < num_bytes)
report_reserved_underflow(fs_info, qg, num_bytes);
else
qg->reserved -= num_bytes;
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