[Bugs] [Bug 1651098] New: dht_readdirp_cbk : Set inode for dir entries if inode is already linked.

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1651098

            Bug ID: 1651098
           Summary: dht_readdirp_cbk : Set inode for dir entries if inode
                    is already linked.
           Product: GlusterFS
           Version: mainline
         Component: distribute
          Assignee: bugs at gluster.org
          Reporter: nbalacha at redhat.com
                CC: bugs at gluster.org



Description of problem


dht_readdirp_cbk sets the entry->inode to NULL for directory entries in order
to force a lookup. This causes a massive slowdown when listing directories
which contain a lot of sub-directories.

If the inode for the directory is already present in the inode table, it
implies that the inode was linked (ie, a lookup was performed already). If the
inode for the directory entry is already linked, we do not need to send another
lookup for the directory.




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