Re: [Cluster-devel] [GFS2 PATCH 4/4] gfs2: read journal in large chunks to locate the head

2018-09-07 Thread Abhijith Das
- Original Message - > From: "Andreas Gruenbacher" > To: "Abhi Das" > Cc: "cluster-devel" > Sent: Friday, September 7, 2018 7:14:29 AM > Subject: Re: [Cluster-devel] [GFS2 PATCH 4/4] gfs2: read journal in large > chunks to locate the head > > Abhi, > > On 6 September 2018 at 19:02,

Re: [Cluster-devel] [GFS2 PATCH 4/4] gfs2: read journal in large chunks to locate the head

2018-09-07 Thread Bob Peterson
Hi Abhi, Overall, I like the patch set. What Andreas said still applies, plus: - Original Message - > Use bio(s) to read in the journal sequentially in large chunks and > locate the head of the journal. > This is faster in most cases when compared to the existing bisect > method which oper

Re: [Cluster-devel] [GFS2 PATCH 4/4] gfs2: read journal in large chunks to locate the head

2018-09-07 Thread Andreas Gruenbacher
Abhi, On 6 September 2018 at 19:02, Abhi Das wrote: > Use bio(s) to read in the journal sequentially in large chunks and > locate the head of the journal. > This is faster in most cases when compared to the existing bisect > method which operates one block at a time. > > Signed-off-by: Abhi Das

Re: [Cluster-devel] [GFS2 PATCH 0/4] Speed up journal head lookup

2018-09-07 Thread Steven Whitehouse
Hi, On 06/09/18 18:02, Abhi Das wrote: This is the upstream version of the rhel7 patchset I'd posted earlier for review. It is slightly different in parts owing to some bits already being present and the hash/crc computation code being different due to the updated log header structure. Cheers