refactor the function 'aufsMount' in 'daemon/graphdriver/aufs/aufs.go'
refactor the function 'aufsMount' in 'daemon/graphdriver/aufs/aufs.go'

Signed-off-by: Yanqiang Miao <ab4ee3200e9057277ea29a217f2f229bb20c5345@zte.com.cn>

update

Signed-off-by: Yanqiang Miao <ab4ee3200e9057277ea29a217f2f229bb20c5345@zte.com.cn>

jwhonce/docker,erikstmartin/docker,stevvooe/docker,x1022as/docker,gschaetz/moby,resin-io/docker,resin-io/docker,laijs/moby,shishir-a412ed/docker,msabansal/docker,lixiaobing1/docker,catinthesky/docker,diogomonica/docker,mike1729/docker,tonistiigi/docker,bonczj/moby-json-file-logger,Ramzec/docker,tagomoris/docker,JMesser81/docker,mahak/docker,thaJeztah/docker,prertik/docker,unclejack/docker,qudongfang/docker,nalind/docker,bearstech/moby,coreos/docker,yasiramin10p/moby,docker/docker,prertik/docker,HideoYamauchi/docker,mikedougherty/docker,crosbymichael/docker,nawawi/docker,dims/docker,dsheets/moby,allencloud/docker,dims/docker,konstruktoid/docker-1,mtrmac/docker,lixiaobing10051267/docker,trebonian/docker,moypray/docker,scotttlin/docker,Mokolea/docker,duglin/docker,dmcgowan/docker,KarthikNayak/docker,noironetworks/docker,paralin/docker,moby/moby,michael-holzheu/docker,mixja/docker,sarnautov/moby,nalind/docker,liaoqingwei/docker,jimjag/docker,jameszhan/docker,pradipd/moby,thtanaka/docker,justincormack/docker,imkin/moby,tmp6154/docker,lixiaobing10051267/docker,moul/docker,tophj-ibm/moby,catinthesky/docker,mtrmac/docker,stevvooe/docker,flavio/docker,flavio/docker,dims/docker,sterchelen/docker,mikedougherty/docker,nawawi/docker,coreos/docker,PatrickLang/moby,fcrisciani/docker,djs55/docker,raja-sami-10p/moby,xuxinkun/docker,dgageot/docker,shhsu/docker,mstanleyjones/docker,gnailuy/docker,mtrmac/docker,kolyshkin/docker,mixja/docker,kolyshkin/docker,justincormack/docker,cpuguy83/docker,mikebrow/docker,tophj-ibm/moby,tianon/docker,mtesselH/docker,shishir-a412ed/docker,rhatdan/docker,sdurrheimer/docker,rremer/moby,PatrickLang/moby,yosifkit/docker,yongtang/docker,jthelin/docker,fcrisciani/docker,Syntaxide/docker,tagomoris/docker,mike1729/docker,darrenstahlmsft/moby,tmp6154/docker,gnailuy/docker,unclejack/docker,KingEmet/docker,shhsu/docker,erikstmartin/docker,kencochrane/docker,allencloud/docker,dgageot/docker,mtesselH/docker,amatsus/docker,gjaskiewicz/moby,POLJM242/docker,djs55/docker,mkumatag/docker,dmcgowan/docker,laijs/docker,vdemeester/docker,stevvooe/docker,AkihiroSuda/docker,yosifkit/docker,mkumatag/docker,mstanleyjones/docker,dccurtis/docker,gjaskiewicz/moby,msabansal/docker,dgageot/docker,ColinHebert/docker,q384566678/docker,ripcurld0/moby,madhanrm/docker,konstruktoid/docker-upstream,yasiramin10p/moby,naveed-jamil-tenpearls/moby,konstruktoid/docker-1,noironetworks/docker,sdurrheimer/docker,kunalkushwaha/docker,kolyshkin/moby,bonczj/moby-json-file-logger,tagomoris/docker,coreos/docker,yongtang/docker,moypray/docker,jwhonce/docker,msabansal/docker,jvanz/docker,cyphar/docker,alfred-landrum/docker,danyalKhaliq10p/moby,xiaods/docker,x1022as/docker,darrenstahlmsft/docker,KingEmet/docker,darrenstahlmsft/moby,tonistiigi/docker,konstruktoid/docker-upstream,jlhawn/docker,laijs/moby,endophage/docker,SvenDowideit/docker,crosbymichael/docker,haveatry/docker,alfred-landrum/docker,JMesser81/docker,nawawi/docker,ibuildthecloud/docker,estesp/docker,HideoYamauchi/docker,cpuguy83/docker,KarthikNayak/docker,johnstep/moby-moby,vdemeester/docker,coolljt0725/docker,endophage/docker,estesp/docker,coolljt0725/docker,cpuguy83/docker,tophj-ibm/docker,nalind/docker,dperny/docker,ffoysal/docker,justincormack/docker,portworx/docker,mahak/docker,lixiaobing10051267/docker,yongtang/docker,diogomonica/docker,estesp/docker,Syntaxide/docker,laijs/docker,jimjag/docker,mikebrow/docker,whuwxl/docker,sdurrheimer/docker,gnailuy/docker,naveed-jamil-tenpearls/moby,AkihiroSuda/docker,flavio/docker,gschaetz/moby,dccurtis/docker,thtanaka/docker,moul/docker,mstanleyjones/docker,hqhq/moby,hqhq/moby,mixja/docker,imkin/moby,docker/docker,PatrickLang/moby,portworx/docker,mike1729/docker,moul/docker,amatsus/docker,kunalkushwaha/docker,trebonian/docker,bonczj/moby-json-file-logger,Mokolea/docker,maxamillion/docker,charleszheng44/moby,docker/docker,haveatry/docker,yummypeng/docker,paralin/docker,liaoqingwei/docker,flavio/docker,jwhonce/docker,moby/moby,lixiaobing1/docker,harche/docker,djs55/docker,Ramzec/docker,whuwxl/docker,akira-baruah/docker,paralin/docker,ripcurld0/moby,tklauser/docker,pramodhkp/moby,johnstep/moby-moby,ColinHebert/docker,scotttlin/docker,ffoysal/docker,resin-io/docker,kolyshkin/moby,ripcurld0/moby,KingEmet/docker,paralin/docker,q384566678/docker,kolyshkin/moby,Ramzec/docker,dperny/docker,bearstech/moby,lixiaobing1/docker,srust/docker,johnstep/moby-moby,liaoqingwei/docker,ndeloof/docker,catinthesky/docker,vdemeester/docker,ndeloof/docker,erikh/docker,xiaods/docker,raja-sami-10p/moby,jlhawn/docker,erikstmartin/docker,moypray/docker,srust/docker,noironetworks/docker,coolljt0725/docker,HideoYamauchi/docker,YuPengZTE/docker,rhatdan/docker,tophj-ibm/moby,mikebrow/docker,harche/docker,shishir-a412ed/docker,raja-sami-10p/moby,pradipd/moby,kencochrane/docker,tmp6154/docker,thaJeztah/docker,rancher/docker,ColinHebert/docker,mahak/docker,cpuguy83/docker,cyphar/docker,JMesser81/docker,yummypeng/docker,laijs/docker,danyalKhaliq10p/moby,michael-holzheu/docker,endophage/docker,madhanrm/docker,naveed-jamil-tenpearls/moby,bearstech/moby,erikh/docker,danyalKhaliq10p/moby,bearstech/moby,dccurtis/docker,yasiramin10p/moby,mahak/docker,akira-baruah/docker,crosbymichael/docker,rancher/docker,KarthikNayak/docker,kojiromike/docker,nawawi/docker,konstruktoid/docker-upstream,ibuildthecloud/docker,duglin/docker,ibuildthecloud/docker,miminar/docker,YuPengZTE/docker,xuxinkun/docker,srust/docker,trebonian/docker,shhsu/docker,kencochrane/docker,amatsus/docker,moby/moby,haveatry/docker,jvanz/docker,x1022as/docker,ibuildthecloud/docker,jimjag/docker,q384566678/docker,SvenDowideit/docker,nalind/docker,POLJM242/docker,jimjag/docker,madhanrm/docker,pramodhkp/moby,dmcgowan/docker,duglin/docker,diogomonica/docker,YuPengZTE/docker,michael-holzheu/docker,sarnautov/moby,dsheets/moby,trebonian/docker,ndeloof/docker,hqhq/moby,darrenstahlmsft/moby,tianon/docker,cyphar/docker,gnailuy/docker,jvanz/docker,miminar/docker,rhatdan/docker,jameszhan/docker,gschaetz/moby,jthelin/docker,kojiromike/docker,thaJeztah/docker,charleszheng44/moby,laijs/moby,dperny/docker,tophj-ibm/docker,yummypeng/docker,mikedougherty/docker,ibuildthecloud/docker,tklauser/docker,maxamillion/docker,yosifkit/docker,rremer/moby,xiaods/docker,moby/moby,thtanaka/docker,unclejack/docker,tophj-ibm/docker,scotttlin/docker,konstruktoid/docker-1,rancher/docker,erikh/docker,jameszhan/docker,tklauser/docker,prertik/docker,sterchelen/docker,allencloud/docker,sarnautov/moby,alfred-landrum/docker,yosifkit/docker,moul/docker,pradipd/moby,konstruktoid/docker-upstream,Mokolea/docker,kunalkushwaha/docker,AkihiroSuda/docker,charleszheng44/moby,ffoysal/docker,portworx/docker,qudongfang/docker,thaJeztah/docker,SvenDowideit/docker,miminar/docker,Ramzec/docker,kojiromike/docker,Syntaxide/docker,xuxinkun/docker,qudongfang/docker,dsheets/moby,maxamillion/docker,sterchelen/docker,darrenstahlmsft/docker,imkin/moby,tonistiigi/docker,whuwxl/docker,pramodhkp/moby,harche/docker,mkumatag/docker,mtesselH/docker,fcrisciani/docker,darrenstahlmsft/docker,rremer/moby,jlhawn/docker,Mokolea/docker,gjaskiewicz/moby,AkihiroSuda/docker