[Bugs] [Bug 1523094] New: to detect EOF, avoid sending readv fop to backend when offset is within byte range of file size

bugzilla at redhat.com bugzilla at redhat.com
Thu Dec 7 08:32:23 UTC 2017


https://bugzilla.redhat.com/show_bug.cgi?id=1523094

            Bug ID: 1523094
           Summary: to detect EOF, avoid sending readv fop to backend when
                    offset is within byte range of file size
           Product: GlusterFS
           Version: mainline
         Component: quick-read
          Assignee: bugs at gluster.org
          Reporter: mchangir at redhat.com
                CC: bugs at gluster.org



Description of problem:
currently, a readv fop is forwarded to brick backend to detect EOF

Expected results:
with quick-read turned "on" and the file contents cached, the EOF detection
should take place at the client end and should not be incur a network hop to
the back-end file system.

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