[V4] virtio-9p: readdir implementation for 9p2000.L
This patch implements the server part of readdir() implementation for 9p2000.L SYNOPSIS size[4] Treaddir tag[2] fid[4] offset[8] count[4] size[4] Rreaddir tag[2] count[4] data[count] DESCRIPTION The readdir request asks the server to read the directory specified by 'fid' at an offset specified by 'offset' and return as many dirent structures as possible that fit into count bytes. Each dirent structure is laid out as follows. qid.type[1] the type of the file (directory, etc.), represented as a bit vector corresponding to the high 8 bits of the file's mode word. qid.vers[4] version number for given path qid.path[8] the file server's unique identification for the file offset[8] offset into the next dirent. type[1] type of this directory entry. name[256] name of this directory entry. Signed-off-by: NSripathi Kodi <sripathik@in.ibm.com> Reviewed-by: NM. Mohan Kumar <mohan@in.ibm.com> Signed-off-by: NVenkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
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