Before applying this patch, we flushed the log tree of the fs/file
tree firstly, and then flushed the log root tree. It is ineffective,
especially on the hard disk. This patch improved this problem by wrapping
the above two flushes by the same blk_plug.
By test, the performance of the sync write
Hello all,
I have the following unresponsive btrfs:
btrfs_end_transaction() is called and is stuck in btrfs_tree_lock():
May 27 16:13:55 vc kernel: [ 7130.421159] kworker/u:85D
0 19859 2 0x
May 27 16:13:55 vc kernel: [ 7130.421159] 880095335568
From: Liu Bo bo.li@oracle.com
Subject: [PATCH] Btrfs: fix broken nocow after a normal balance
Balance will create reloc_root for each fs root, and it's going to
record last_snapshot to filter shared blocks. The side effect of
setting last_snapshot is to break nocow attributes of files.
So
Here are three fixes for the new qgroup rescan feature. The first two
are quite small, the third one is a little bigger. I thought about
splitting that one up, but in the end I didn't find a good point to
break that up. It achieves more than one goal, I agree, but its more or
less a compact code
Commit 5b7c665e introduced fs_info-qgroup_ulist, that is allocated during
btrfs_read_qgroup_config and meant to be used later by the qgroup accounting
code. However, it is always freed before btrfs_read_qgroup_config returns,
becuase the commit mentioned above adds a check for (ret), where a check
When called during mount, we cannot start the rescan worker thread until
open_ctree is done. This commit restuctures the qgroup rescan internals to
enable a clean deferral of the rescan resume operation.
First of all, the struct qgroup_rescan is removed, saving us a malloc and
some initialization
When btrfs_read_qgroup_config or btrfs_quota_enable return non-zero, we've
already freed the fs_info-qgroup_ulist. The final btrfs_free_qgroup_config
called from quota_disable makes another ulist_free(fs_info-qgroup_ulist)
call.
We set fs_info-qgroup_ulist to NULL on the mentioned error paths,
Hi Wang,
Please have a look at these patches, you should have been CCed but I just
realized git send-email doesn't care about Cc lines in the patch file. Sigh.
Thanks,
-Jan
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Stefan pointed out that xfstests generic/013 was failing because the free space
cache checker was complaining with leafsize of 16k. Turns out this is because
we were unconditionally using root-sectorsize as the free space ctl unit in the
kernel, which doesn't work out if leafsize != sectorsize.
On Tue, May 21, 2013 at 02:22:34AM +, Duncan wrote:
zwu.kernel posted on Mon, 20 May 2013 23:11:22 +0800 as excerpted:
The patchset is trying to introduce hot relocation support
for BTRFS. In hybrid storage environment, when the data in rotating disk
get hot, it can be relocated to
On Tue, May 28, 2013 at 09:22:11AM -0500, Kyle Gates wrote:
From: Liu Bo bo.li@oracle.com
Subject: [PATCH] Btrfs: fix broken nocow after a normal balance
[...]
Sorry for the long wait in replying.
This patch was unsuccessful in fixing the problem (on my 3.8 Ubuntu
Raring kernel). I
On tue, 28 May 2013 14:50:25 -0400, Josef Bacik wrote:
Stefan pointed out that xfstests generic/013 was failing because the free
space
cache checker was complaining with leafsize of 16k. Turns out this is because
we were unconditionally using root-sectorsize as the free space ctl unit
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