Hi Chris,
I' ve put my efforts in btrfs quota for a period of time. and i send a
bunch of patches
about btrfs quota.
If you pull Jan's qgroup rescan patches, i'd like that you pull my this
patch firstly:
https://patchwork.kernel.org/patch/2402871/
Jan's group rescan patch relies on this patch.
Besides, i make a patch-set to fix a btrfs quota's race condition:
https://patchwork.kernel.org/patch/2402901/
https://patchwork.kernel.org/patch/2402911/
https://patchwork.kernel.org/patch/2402881/
https://patchwork.kernel.org/patch/2402891/
https://patchwork.kernel.org/patch/2402921/
Some bug fixes about btrfs quota:
https://patchwork.kernel.org/patch/2356111/
https://patchwork.kernel.org/patch/2402941/
https://patchwork.kernel.org/patch/2407571/
https://patchwork.kernel.org/patch/2420731/
https://patchwork.kernel.org/patch/2426721/
https://patchwork.kernel.org/patch/2445051/
https://patchwork.kernel.org/patch/2368341/
https://patchwork.kernel.org/patch/2368291/
This patch improve performances of ulist that btrfs quota ,send
relies on this:
https://patchwork.kernel.org/patch/2435001/
some minor cleanups:
https://patchwork.kernel.org/patch/2441951/
https://patchwork.kernel.org/patch/2444521/
https://patchwork.kernel.org/patch/2448741/
These patches are mainly related to btrfs quota. and i have sent them
to btrfs list reviewed by the people for a period of time. Thanks to Miao
Xie's help
to my efforts in btrfs. And Arne Jasen, Jan schdmit , David really help review
my patch, many thanks.
Every efforts i have made is to make btrfs quota works well. After you pull
my patches and Jan's qgroup rescan patch, i will have a deep look at codes, and
test Jan's patch.
I am really newbie, and usually makes a lot of mistakes.. forgive me if i do
something wrong….
Thanks,
Wang
Signed-off-by: Jan Schmidt list.bt...@jan-o-sch.net
---
fs/btrfs/qgroup.c | 10 ++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index bb081b5..0ea2c3e 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -1356,10 +1356,14 @@ int btrfs_run_qgroups(struct btrfs_trans_handle
*trans,
{
struct btrfs_root *quota_root = fs_info-quota_root;
int ret = 0;
+ int start_rescan_worker = 0;
if (!quota_root)
goto out;
+ if (!fs_info-quota_enabled fs_info-pending_quota_state)
+ start_rescan_worker = 1;
+
fs_info-quota_enabled = fs_info-pending_quota_state;
spin_lock(fs_info-qgroup_lock);
@@ -1385,6 +1389,12 @@ int btrfs_run_qgroups(struct btrfs_trans_handle *trans,
if (ret)
fs_info-qgroup_flags |= BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT;
+ if (start_rescan_worker) {
+ ret = btrfs_qgroup_rescan(fs_info);
+ if (ret)
+ pr_err(btrfs: start rescan quota failed: %d\n, ret);
+ }
+
out:
return ret;
--
1.7.1
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