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    fs/9p: add 9P2000.L unlinkat operation · 48e370ff
    Aneesh Kumar K.V 提交于
    unlinkat - Remove a directory entry
    
    size[4] Tunlinkat tag[2] dirfid[4] name[s] flag[4]
    size[4] Runlinkat tag[2]
    
    older Tremove have the below request format
    
    size[4] Tremove tag[2] fid[4]
    
    The remove message is used to remove a directory entry either file or directory
    The remove opreation is actually a directory opertation and should ideally have
    dirfid, if not we cannot represent the fid on server with anything other than
    name. We will have to derive the directory name from fid in the Tremove request.
    
    NOTE: The operation doesn't clunk the unlink fid.
    Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
    Signed-off-by: NEric Van Hensbergen <ericvh@gmail.com>
    48e370ff
9p.h 15.7 KB