Re: [Ocfs2-devel] [RFC] ocfs2/dlm: support range lock

2015-01-30 Thread yangwenfang
On 2015/1/30 20:37, Goldwyn Rodrigues wrote: On 01/29/2015 08:59 PM, Xue jiufei wrote: Hi Goldwyn, On 2015/1/29 19:04, Goldwyn Rodrigues wrote: Yangwenfang, On 01/29/2015 12:42 AM, yangwenfang wrote: On 2015/1/27 15:08, Srinivas Eeda wrote: Hi Yangwenfang, thank you very much for

Re: [Ocfs2-devel] [RFC] ocfs2/dlm: support range lock

2015-01-30 Thread Goldwyn Rodrigues
On 01/29/2015 08:59 PM, Xue jiufei wrote: Hi Goldwyn, On 2015/1/29 19:04, Goldwyn Rodrigues wrote: Yangwenfang, On 01/29/2015 12:42 AM, yangwenfang wrote: On 2015/1/27 15:08, Srinivas Eeda wrote: Hi Yangwenfang, thank you very much for initiating this RFC :). This feature is long due

Re: [Ocfs2-devel] [RFC] ocfs2/dlm: support range lock

2015-01-29 Thread Wengang Wang
在 2015年01月29日 15:47, yangwenfang 写道: On 2015/1/29 8:05, Goldwyn Rodrigues wrote: Hi Yangwenfang, I appreciate the effort in this regard. On 01/26/2015 06:28 AM, yangwenfang wrote: What: Byte range lock is applied to lock a region of a file to accelerate reading/writing concurrently.

Re: [Ocfs2-devel] [RFC] ocfs2/dlm: support range lock

2015-01-29 Thread Goldwyn Rodrigues
Yangwenfang, On 01/29/2015 12:42 AM, yangwenfang wrote: On 2015/1/27 15:08, Srinivas Eeda wrote: Hi Yangwenfang, thank you very much for initiating this RFC :). This feature is long due for OCFS2 and we are also interested in implementing this feature. Wengang(cc'ed) has been looking into

Re: [Ocfs2-devel] [RFC] ocfs2/dlm: support range lock

2015-01-29 Thread Goldwyn Rodrigues
Yangwenfang, On 01/29/2015 12:42 AM, yangwenfang wrote: On 2015/1/27 15:08, Srinivas Eeda wrote: Hi Yangwenfang, thank you very much for initiating this RFC :). This feature is long due for OCFS2 and we are also interested in implementing this feature. Wengang(cc'ed) has been looking into

Re: [Ocfs2-devel] [RFC] ocfs2/dlm: support range lock

2015-01-29 Thread Xue jiufei
Hi Goldwyn, On 2015/1/29 19:04, Goldwyn Rodrigues wrote: Yangwenfang, On 01/29/2015 12:42 AM, yangwenfang wrote: On 2015/1/27 15:08, Srinivas Eeda wrote: Hi Yangwenfang, thank you very much for initiating this RFC :). This feature is long due for OCFS2 and we are also interested in

Re: [Ocfs2-devel] [RFC] ocfs2/dlm: support range lock

2015-01-29 Thread yangwenfang
On 2015/1/29 16:06, Wengang Wang wrote: On 2015/1/29 8:05, Goldwyn Rodrigues wrote: Hi Yangwenfang, I appreciate the effort in this regard. On 01/26/2015 06:28 AM, yangwenfang wrote: What: Byte range lock is applied to lock a region of a file to accelerate reading/writing concurrently.

Re: [Ocfs2-devel] [RFC] ocfs2/dlm: support range lock

2015-01-29 Thread yangwenfang
On 2015/1/30 14:02, Wengang Wang wrote: Hi Wenfang, 在 2015年01月30日 11:54, yangwenfang 写道: On 2015/1/29 16:06, Wengang Wang wrote: On 2015/1/29 8:05, Goldwyn Rodrigues wrote: Hi Yangwenfang, I appreciate the effort in this regard. On 01/26/2015 06:28 AM, yangwenfang wrote: What: Byte

Re: [Ocfs2-devel] [RFC] ocfs2/dlm: support range lock

2015-01-28 Thread David Weber
Hi, On 01/26/2015 04:28 AM, yangwenfang wrote: What: Byte range lock is applied to lock a region of a file to accelerate reading/writing concurrently. Why: Currently ocfs2 does not support byte range lock. Since multiple nodes may concurrently update/write at different

Re: [Ocfs2-devel] [RFC] ocfs2/dlm: support range lock

2015-01-28 Thread Goldwyn Rodrigues
Hi Yangwenfang, I appreciate the effort in this regard. On 01/26/2015 06:28 AM, yangwenfang wrote: What: Byte range lock is applied to lock a region of a file to accelerate reading/writing concurrently. Why: Currently ocfs2 does not support byte range lock. Since multiple nodes

Re: [Ocfs2-devel] [RFC] ocfs2/dlm: support range lock

2015-01-28 Thread Wengang Wang
在 2015年01月29日 08:05, Goldwyn Rodrigues 写道: Hi Yangwenfang, I appreciate the effort in this regard. On 01/26/2015 06:28 AM, yangwenfang wrote: What: Byte range lock is applied to lock a region of a file to accelerate reading/writing concurrently. Why: Currently ocfs2 does not

Re: [Ocfs2-devel] [RFC] ocfs2/dlm: support range lock

2015-01-28 Thread yangwenfang
On 2015/1/29 8:05, Goldwyn Rodrigues wrote: Hi Yangwenfang, I appreciate the effort in this regard. On 01/26/2015 06:28 AM, yangwenfang wrote: What: Byte range lock is applied to lock a region of a file to accelerate reading/writing concurrently. Each lock resource deploys an

Re: [Ocfs2-devel] [RFC] ocfs2/dlm: support range lock

2015-01-28 Thread yangwenfang
On 2015/1/27 15:08, Srinivas Eeda wrote: Hi Yangwenfang, thank you very much for initiating this RFC :). This feature is long due for OCFS2 and we are also interested in implementing this feature. Wengang(cc'ed) has been looking into analysing and giving an attempt to implement it. We