Hi Goldwyn,
Thanks for your answer. I will have a look at your code.
I just want to be sure that the source code I am looking at
is the latest one to avoid fixing things that maybe have been already
fixed elsewhere.
Same is true for documentation and package repositories.
If I could have links
Another round of jolly patch reviewing, please. A number of these
patches have been stalled for quite a long time.
I have the following notes:
o2dlm-fix-null-pointer-dereference-in-o2dlm_blocking_ast_wrapper.patch:
- Joseph Qi had issues
ocfs2-free-inode-when-i_count-becomes-zero.patch:
From: Junxiao Bi junxiao...@oracle.com
Subject: ocfs2: reflink: fix slow unlink for refcounted file
When running ocfs2 test suite multiple nodes reflink stress test, for a 4
nodes cluster, every unlink() for refcounted file needs about 700s.
The slow unlink is caused by the contention of
From: Srinivas Eeda srinivas.e...@oracle.com
Subject: o2dlm: fix NULL pointer dereference in o2dlm_blocking_ast_wrapper
A tiny race between BAST and unlock message causes the NULL dereference.
A node sends an unlock request to master and receives a response. Before
processing the response it
From: Junxiao Bi junxiao...@oracle.com
Subject: ocfs2: fix journal commit deadlock
For buffer write, page lock will be got in write_begin and released in
write_end, in ocfs2_write_end_nolock(), before it unlock the page in
ocfs2_free_write_ctxt(), it calls ocfs2_run_deallocs(), this will ask for
From: Weiwei Wang wangww...@huawei.com
Subject: ocfs2: do not fallback to buffer I/O write if appending
Now we can do direct io and do not fallback to buffered IO any more in
case of append O_DIRECT write.
Signed-off-by: Weiwei Wang wangww...@huawei.com
Signed-off-by: Joseph Qi
From: Joseph Qi joseph...@huawei.com
Subject: ocfs2: add orphan recovery types in ocfs2_recover_orphans
Define two orphan recovery types, which indicates if need truncate file or
not.
Originally, only deleted inode will be add to orphan dir. We use orphan
dir to temporary store the file in
From: Joseph Qi joseph...@huawei.com
Subject: ocfs2: fix leftover orphan entry caused by append O_DIRECT write crash
If one node has crashed with orphan entry leftover, another node which do
append O_DIRECT write to the same file will override the
i_dio_orphaned_slot. Then the old entry won't be
From: Xue jiufei xuejiu...@huawei.com
Subject: ocfs2: free inode when i_count becomes zero
Disk inode deletion may be heavily delayed when one node unlink a file
after the same dentry is freed on another node(say N1) because of memory
shrink but inode is left in memory. This inode can only be
From: Weiwei Wang wangww...@huawei.com
Subject: ocfs2: eliminate the static flag of some functions
Currently in case of append O_DIRECT write (block not allocated yet),
ocfs2 will fall back to buffered I/O. This has some disadvantages.
Firstly, it is not the behavior as expected.
Secondly, it
From: Joseph Qi joseph...@huawei.com
Subject: ocfs2/dlm: fix race between dispatched_work and
dlm_lockres_grab_inflight_worker
ac4fef4d23ed (ocfs2/dlm: do not purge lockres that is queued for assert
master) may have the following possible race case:
dlm_dispatch_assert_master dlm_wq
From: yangwenfang vicky.yangwenf...@huawei.com
Subject: ocfs2: call ocfs2_journal_access_di() before ocfs2_journal_dirty() in
ocfs2_write_end_nolock()
After we call ocfs2_journal_access_di() in ocfs2_write_begin(),
jbd2_journal_restart() may also be called, in this function transaction
A's
From: Weiwei Wang wangww...@huawei.com
Subject: ocfs2: implement ocfs2_direct_IO_write
Implement ocfs2_direct_IO_write. Add the inode to orphan dir first, and
then delete it once append O_DIRECT finished.
This is to make sure block allocation and inode size are consistent.
From: Weiwei Wang wangww...@huawei.com
Subject: ocfs2: allocate blocks in ocfs2_direct_IO_get_blocks
Allow blocks allocation in ocfs2_direct_IO_get_blocks.
Signed-off-by: Weiwei Wang wangww...@huawei.com
Signed-off-by: Joseph Qi joseph...@huawei.com
Cc: Joel Becker jl...@evilplan.org
Cc: Mark
From: Weiwei Wang wangww...@huawei.com
Subject: ocfs2: do not fallback to buffer I/O write if fill holes
Now append O_DIRECT write to a hole will try direct io first, then
fallback to buffered IO if fails.
Signed-off-by: Weiwei Wang wangww...@huawei.com
Signed-off-by: Joseph Qi
Hi, Andrew,
This patch may lead to data loss so please remove it from mm tree please.
Here is the situation:
When i_count becomes zero but there still exists dirty pages in i_mapping,
the dirty pages would be freed without flushing the data.
To avoid this problem, we should flush dirty page
Hi Goldwyn, Germano
I have updated ocfs2-tools git repo with latest fixes :)
Germano,
following documentation is available for OCFS2
http://docs.oracle.com/cd/E37670_01/E37355/html/ol_ocfs2.html
http://www.oracle.com/us/technologies/linux/025995.htm
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