On Sun, 2014-03-02 at 01:52 +0100, Donald Buczek wrote: > Okay, same bug hit again. > > New info this time: There _is_ a "struct mount" for the failing dentry , > but neither "cat /proc/mounts" nor "mount" or the crash utility show it. > > Demo follows: > > The Problem: > > > > root:kasslerbraten:/home/buczek/autofs/# uname -a > > Linux kasslerbraten.molgen.mpg.de 3.13.1.mx64.1 #1 SMP Fri Feb 21 > > 15:54:38 CET 2014 x86_64 GNU/Linux > > root:kasslerbraten:/home/buczek/autofs/# ls /project/mariux32/ > > ls: cannot access /project/mariux32/: Too many levels of symbolic links > > Logfile: > > > root:kasslerbraten:/home/buczek/autofs/# fgrep mariux32 > > /var/log/messages|tail > > 2014-03-02T01:33:02.051118+01:00 kasslerbraten kernel: [146256.094196] > > pid 23244: autofs4_d_automount: dentry=ffff88007c86da10 mariux32 > > 2014-03-02T01:33:02.051119+01:00 kasslerbraten kernel: [146256.094197] > > pid 23244: autofs4_d_automount: dentry=ffff88007c86da10 mariux32 > > 2014-03-02T01:33:02.051132+01:00 kasslerbraten kernel: [146256.094199] > > pid 23244: autofs4_d_automount: dentry=ffff88007c86da10 mariux32 > > 2014-03-02T01:33:02.051133+01:00 kasslerbraten kernel: [146256.094200] > > pid 23244: autofs4_d_automount: dentry=ffff88007c86da10 mariux32 > > 2014-03-02T01:33:02.051134+01:00 kasslerbraten kernel: [146256.094201] > > pid 23244: autofs4_d_automount: dentry=ffff88007c86da10 mariux32 > > 2014-03-02T01:33:02.051135+01:00 kasslerbraten kernel: [146256.094202] > > pid 23244: autofs4_d_automount: dentry=ffff88007c86da10 mariux32 > > 2014-03-02T01:33:02.051136+01:00 kasslerbraten kernel: [146256.094203] > > pid 23244: autofs4_d_automount: dentry=ffff88007c86da10 mariux32 > > 2014-03-02T01:33:02.051137+01:00 kasslerbraten kernel: [146256.094204] > > pid 23244: autofs4_d_automount: dentry=ffff88007c86da10 mariux32 > > 2014-03-02T01:33:02.051138+01:00 kasslerbraten kernel: [146256.094205] > > pid 23244: autofs4_d_automount: dentry=ffff88007c86da10 mariux32 > > 2014-03-02T01:33:02.051139+01:00 kasslerbraten kernel: [146256.094206] > > pid 23244: autofs4_d_automount: dentry=ffff88007c86da10 mariux32 > > Mount on /project/mariux32 not visible in /proc/mounts: > > > root:kasslerbraten:/home/buczek/autofs/# cat /proc/mounts > > rootfs / rootfs rw 0 0 > > /dev/root / reiserfs rw,relatime 0 0 > > devtmpfs /dev devtmpfs > > rw,relatime,size=2001060k,nr_inodes=500265,mode=755 0 0 > > proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0 > > sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0 > > tmpfs /dev/shm tmpfs rw,nosuid,nodev,relatime 0 0 > > devpts /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620 0 0 > > tmpfs /run tmpfs rw,nosuid,nodev,noexec,relatime,mode=755 0 0 > > tmpfs /sys/fs/cgroup tmpfs rw,nosuid,nodev,noexec,relatime,mode=755 0 0 > > cgroup /sys/fs/cgroup/systemd cgroup > > rw,nosuid,nodev,noexec,relatime,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd > > 0 0 > > cgroup /sys/fs/cgroup/cpuset cgroup > > rw,nosuid,nodev,noexec,relatime,cpuset 0 0 > > cgroup /sys/fs/cgroup/debug cgroup > > rw,nosuid,nodev,noexec,relatime,debug 0 0 > > cgroup /sys/fs/cgroup/cpu cgroup rw,nosuid,nodev,noexec,relatime,cpu 0 0 > > cgroup /sys/fs/cgroup/cpuacct cgroup > > rw,nosuid,nodev,noexec,relatime,cpuacct 0 0 > > cgroup /sys/fs/cgroup/devices cgroup > > rw,nosuid,nodev,noexec,relatime,devices 0 0 > > cgroup /sys/fs/cgroup/freezer cgroup > > rw,nosuid,nodev,noexec,relatime,freezer 0 0 > > cgroup /sys/fs/cgroup/blkio cgroup > > rw,nosuid,nodev,noexec,relatime,blkio 0 0 > > systemd-1 /dev/hugepages autofs > > rw,relatime,fd=26,pgrp=1,timeout=300,minproto=5,maxproto=5,direct 0 0 > > systemd-1 /proc/sys/fs/binfmt_misc autofs > > rw,relatime,fd=27,pgrp=1,timeout=300,minproto=5,maxproto=5,direct 0 0 > > systemd-1 /sys/kernel/debug autofs > > rw,relatime,fd=28,pgrp=1,timeout=300,minproto=5,maxproto=5,direct 0 0 > > systemd-1 /dev/mqueue autofs > > rw,relatime,fd=29,pgrp=1,timeout=300,minproto=5,maxproto=5,direct 0 0 > > systemd-1 /sys/kernel/security autofs > > rw,relatime,fd=30,pgrp=1,timeout=300,minproto=5,maxproto=5,direct 0 0 > > tmpfs /var/run tmpfs rw,nosuid,nodev,noexec,relatime,mode=755 0 0 > > rpc_pipefs /var/lib/nfs/rpc_pipefs rpc_pipefs rw,relatime 0 0 > > tmpfs /media tmpfs rw,nosuid,nodev,noexec,relatime,mode=755 0 0 > > nfsd /proc/fs/nfsd nfsd rw,relatime 0 0 > > fusectl /sys/fs/fuse/connections fusectl rw,relatime 0 0 > > /dev/sda2 /amd/kasslerbraten/0 reiserfs rw,relatime 0 0 > > /etc/automount/auto.home /home autofs > > rw,relatime,fd=7,pgrp=542,timeout=300,minproto=5,maxproto=5,indirect 0 0 > > /etc/automount/auto.jbod /jbod autofs > > rw,relatime,fd=13,pgrp=542,timeout=300,minproto=5,maxproto=5,indirect 0 0 > > /etc/automount/auto.confidential /confidential autofs > > rw,relatime,fd=19,pgrp=542,timeout=300,minproto=5,maxproto=5,indirect 0 0 > > /etc/automount/auto.project /project autofs > > rw,relatime,fd=25,pgrp=542,timeout=300,minproto=5,maxproto=5,indirect 0 0 > > /etc/automount/auto.package /package autofs > > rw,relatime,fd=31,pgrp=542,timeout=300,minproto=5,maxproto=5,indirect 0 0 > > /etc/automount/auto.scratch /scratch autofs > > rw,relatime,fd=37,pgrp=542,timeout=300,minproto=5,maxproto=5,indirect 0 0 > > /etc/automount/auto.src /src autofs > > rw,relatime,fd=43,pgrp=542,timeout=300,minproto=5,maxproto=5,indirect 0 0 > > pummelfee:/amd/pummelfee/X/X3009/home/abt_srv/klages /home/klages nfs4 > > rw,nosuid,relatime,vers=4.0,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=141.14.19.40,local_lock=none,addr=141.14.16.18 > > 0 0 > > palle:/amd/palle/1/home/abt_srv/buczek /home/buczek nfs > > rw,nosuid,relatime,vers=3,rsize=524288,wsize=524288,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=141.14.28.251,mountvers=3,mountport=58602,mountproto=udp,local_lock=none,addr=141.14.28.251 > > 0 0 > > binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc rw,relatime 0 0 > > erdnuckel:/amd/erdnuckel/X/X0008/package/sequencer /package/sequencer > > nfs > > rw,nosuid,relatime,vers=3,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=141.14.28.246,mountvers=3,mountport=53128,mountproto=udp,local_lock=none,addr=141.14.28.246 > > 0 0 > > root:kasslerbraten:/home/buczek/autofs/# > > But visible to my little perl program ( > http://owww.molgen.mpg.de/~buczek/autofs-demo/peekmounts ) which walks > the mountpoint hashtable and the mount_hashtable ) : > > > root:kasslerbraten:/home/buczek/autofs/# ./peekmounts > > mountpoint 0xffff8801280ffc20 : count= 2 denty=0xffff8800c8996890 (src) > > mountpoint 0xffff8801285b6c20 : count= 2 denty=0xffff8800ca457c90 > > (systemd) > > mountpoint 0xffff8801285b6a60 : count= 2 denty=0xffff8800ca457d50 > > (cpuset) > > mountpoint 0xffff8801285e9d00 : count= 2 denty=0xffff8800ca4cf710 > > (hugepages) > > mountpoint 0xffff8801285b6c60 : count= 2 denty=0xffff8800ca457ed0 > > (cgroup) > > mountpoint 0xffff8801285e9da0 : count= 2 denty=0xffff8800ca4a3c50 > > (blkio) > > mountpoint 0xffff8800a39282a0 : count= 1 denty=0xffff880094483e90 > > (buczek) > > mountpoint 0xffff8801280ffc80 : count= 2 denty=0xffff8800c8996dd0 > > (scratch) > > mountpoint 0xffff8800c8ed8480 : count= 2 denty=0xffff8800c88284d0 > > (connections) > > mountpoint 0xffff8801285e99e0 : count= 2 denty=0xffff8800bd874110 > > (klages) > > mountpoint 0xffff8801285e9c80 : count= 2 denty=0xffff8800ca4cfdd0 > > (binfmt_misc) > > mountpoint 0xffff8801285e9e40 : count= 2 denty=0xffff8800ca4a0510 > > (freezer) > > mountpoint 0xffff8800aa2d6880 : count= 1 denty=0xffff8800ca4cc390 (/) > > mountpoint 0xffff8801285e9c20 : count= 2 denty=0xffff8800ca4cc5d0 > > (debug) > > mountpoint 0xffff8801285e9f60 : count= 2 denty=0xffff8800ca49c950 > > (cpuacct) > > mountpoint 0xffff8800c1d06920 : count= 2 denty=0xffff880129187dd0 > > (confidential) > > mountpoint 0xffff8800ca1736c0 : count= 2 denty=0xffff8800ca4c4a50 > > (rpc_pipefs) > > mountpoint 0xffff8800c1d068a0 : count= 2 denty=0xffff8800c8b2e450 > > (project) > > mountpoint 0xffff8801285e9ec0 : count= 2 denty=0xffff8800ca4a0ed0 > > (devices) > > mountpoint 0xffff8801285e9ac0 : count= 2 denty=0xffff8800ca4c8dd0 > > (security) > > mountpoint 0xffff8801285e9fe0 : count= 2 denty=0xffff8800ca4992d0 (cpu) > > mountpoint 0xffff8800a3efeba0 : count= 1 denty=0xffff8800c890ce10 (tmp) > > mountpoint 0xffff880125e44480 : count= 1 denty=0xffff88007c86da10 > > (mariux32) > > mountpoint 0xffff8800c1d06940 : count= 2 denty=0xffff8800c89b0690 > > (home) > > mountpoint 0xffff8800c2841820 : count= 2 denty=0xffff8800c8adf450 (0) > > mountpoint 0xffff8800c2841400 : count= 2 denty=0xffff8800c89dc8d0 > > (jbod) > > mountpoint 0xffff8801285b6ce0 : count= 2 denty=0xffff8800ca4521d0 (run) > > mountpoint 0xffff8801285b6d40 : count= 2 denty=0xffff8800ca452290 (pts) > > mountpoint 0xffff8801285b69e0 : count= 2 denty=0xffff8800ca499ed0 > > (debug) > > mountpoint 0xffff8801285b6d80 : count= 2 denty=0xffff8800ca4524d0 (shm) > > mountpoint 0xffff880128fef2e0 : count= 3 denty=0xffff880129002ad0 (/) > > mountpoint 0xffff8801285b6e00 : count= 2 denty=0xffff8800ca452710 (sys) > > mountpoint 0xffff880125d17800 : count= 1 denty=0xffff8800944ae1d0 > > (roche454) > > mountpoint 0xffff8801280ffce0 : count= 2 denty=0xffff8800c8979590 > > (package) > > mountpoint 0xffff8801285b6e80 : count= 2 denty=0xffff8800ca452a10 > > (proc) > > mountpoint 0xffff8801285e9600 : count= 2 denty=0xffff8800ca4e21d0 > > (media) > > mountpoint 0xffff8801285e9740 : count= 2 denty=0xffff88012900f050 (dev) > > mountpoint 0xffff8800ca173fc0 : count= 2 denty=0xffff880129047450 > > (nfsd) > > mountpoint 0xffff8800b9493d00 : count= 1 denty=0xffff8800b59ade10 > > (local) > > mountpoint 0xffff8800ca1439c0 : count= 2 denty=0xffff8800ca4e2d10 (run) > > mountpoint 0xffff8800aa146b60 : count= 1 denty=0xffff880038b8c450 (web) > > mountpoint 0xffff8801285e9b40 : count= 2 denty=0xffff8801290478d0 > > (mqueue) > > struct mount 0xffff880128fd2e00 : mountpoint dentry > > 0xffff880129002ad0 (/) mountpoint struct 0xffff880128fef2e0 > > struct mount 0xffff8800c9e5e0c0 : mountpoint dentry > > 0xffff880129187dd0 (confidential) mountpoint struct 0xffff8800c1d06920 > > struct mount 0xffff880128fd2cc0 : mountpoint dentry > > 0xffff8800ca4c4a50 (rpc_pipefs) mountpoint struct 0xffff8800ca1736c0 > > struct mount 0xffff8800c9e5e200 : mountpoint dentry > > 0xffff8800c8b2e450 (project) mountpoint struct 0xffff8800c1d068a0 > > struct mount 0xffff8800c9dda300 : mountpoint dentry > > 0xffff8800ca4cf710 (hugepages) mountpoint struct 0xffff8801285e9d00 > > struct mount 0xffff8800aa103840 : mountpoint dentry > > 0xffff880129047450 (nfsd) mountpoint struct 0xffff8800ca173fc0 > > struct mount 0xffff8800a3a9a300 : mountpoint dentry > > 0xffff8800b59ade10 (local) mountpoint struct 0xffff8800b9493d00 > > struct mount 0xffff8800aa103480 : mountpoint dentry > > 0xffff8800ca457c90 (systemd) mountpoint struct 0xffff8801285b6c20 > > struct mount 0xffff8800aa103340 : mountpoint dentry > > 0xffff8800ca457d50 (cpuset) mountpoint struct 0xffff8801285b6a60 > > struct mount 0xffff8800aa13ebc0 : mountpoint dentry > > 0xffff880038b8c450 (web) mountpoint struct 0xffff8800aa146b60 > > struct mount 0xffff8800aa1035c0 : mountpoint dentry > > 0xffff8800ca457ed0 (cgroup) mountpoint struct 0xffff8801285b6c60 > > struct mount 0xffff8800b5e40a40 : mountpoint dentry > > 0xffff8800ca4a3c50 (blkio) mountpoint struct 0xffff8801285e9da0 > > struct mount 0xffff8800c9e5e840 : mountpoint dentry > > 0xffff8800c89b0690 (home) mountpoint struct 0xffff8800c1d06940 > > struct mount 0xffff8800a3a9aa80 : mountpoint dentry > > 0xffff880129187dd0 (confidential) mountpoint struct 0xffff8800c1d06920 > > struct mount 0xffff8800cac2b840 : mountpoint dentry > > 0xffff8800c8adf450 (0) mountpoint struct 0xffff8800c2841820 > > struct mount 0xffff8800b5e402c0 : mountpoint dentry > > 0xffff8800ca4c4a50 (rpc_pipefs) mountpoint struct 0xffff8800ca1736c0 > > struct mount 0xffff8800c9ddad00 : mountpoint dentry > > 0xffff8800ca457c90 (systemd) mountpoint struct 0xffff8801285b6c20 > > struct mount 0xffff8800a3a9a940 : mountpoint dentry > > 0xffff8800c8b2e450 (project) mountpoint struct 0xffff8800c1d068a0 > > struct mount 0xffff8800b5e40680 : mountpoint dentry > > 0xffff8800c88284d0 (connections) mountpoint struct 0xffff8800c8ed8480 > > struct mount 0xffff8800c9ddabc0 : mountpoint dentry > > 0xffff8800ca457d50 (cpuset) mountpoint struct 0xffff8801285b6a60 > > struct mount 0xffff8800c1d97b80 : mountpoint dentry > > 0xffff8800ca4cc390 (/) mountpoint struct 0xffff8800aa2d6880 > > struct mount 0xffff880128fd2a40 : mountpoint dentry > > 0xffff8800c89dc8d0 (jbod) mountpoint struct 0xffff8800c2841400 > > struct mount 0xffff880128fee580 : mountpoint dentry > > 0xffff8800ca4521d0 (run) mountpoint struct 0xffff8801285b6ce0 > > struct mount 0xffff8800c9dda440 : mountpoint dentry > > 0xffff8800ca4a3c50 (blkio) mountpoint struct 0xffff8801285e9da0 > > struct mount 0xffff8800b5e40b80 : mountpoint dentry > > 0xffff8800ca4a0510 (freezer) mountpoint struct 0xffff8801285e9e40 > > struct mount 0xffff8800c9e5e340 : mountpoint dentry > > 0xffff880094483e90 (buczek) mountpoint struct 0xffff8800a39282a0 > > struct mount 0xffff8800aa103980 : mountpoint dentry > > 0xffff8800ca4cfdd0 (binfmt_misc) mountpoint struct 0xffff8801285e9c80 > > struct mount 0xffff8800a3a9a080 : mountpoint dentry > > 0xffff8800c890ce10 (tmp) mountpoint struct 0xffff8800a3efeba0 > > struct mount 0xffff8800c1d97180 : mountpoint dentry > > 0xffff8800bd874110 (klages) mountpoint struct 0xffff8801285e99e0 > > struct mount 0xffff880128fee1c0 : mountpoint dentry > > 0xffff8800ca452710 (sys) mountpoint struct 0xffff8801285b6e00 > > struct mount 0xffff880128feed00 : mountpoint dentry > > 0xffff880129002ad0 (/) mountpoint struct 0xffff880128fef2e0 > > struct mount 0xffff8800c9e5ec00 : mountpoint dentry > > 0xffff880129047450 (nfsd) mountpoint struct 0xffff8800ca173fc0 > > struct mount 0xffff8800c9e5eac0 : mountpoint dentry > > 0xffff8800c8979590 (package) mountpoint struct 0xffff8801280ffce0 > > struct mount 0xffff8800a3a9ae40 : mountpoint dentry > > 0xffff8800c89b0690 (home) mountpoint struct 0xffff8800c1d06940 > > struct mount 0xffff8800b5e40e00 : mountpoint dentry > > 0xffff8800ca49c950 (cpuacct) mountpoint struct 0xffff8801285e9f60 > > struct mount 0xffff8800b5e40040 : mountpoint dentry > > 0xffff8800c8adf450 (0) mountpoint struct 0xffff8800c2841820 > > struct mount 0xffff8800b5e40900 : mountpoint dentry > > 0xffff8800ca4cc5d0 (debug) mountpoint struct 0xffff8801285e9c20 > > struct mount 0xffff880128fee080 : mountpoint dentry > > 0xffff8800ca452a10 (proc) mountpoint struct 0xffff8801285b6e80 > > struct mount 0xffff8800c9dda580 : mountpoint dentry > > 0xffff8800ca4a0510 (freezer) mountpoint struct 0xffff8801285e9e40 > > struct mount 0xffff8800cac2bac0 : mountpoint dentry > > 0xffff8800ca4e21d0 (media) mountpoint struct 0xffff8801285e9600 > > struct mount 0xffff8800cac2bc00 : mountpoint dentry > > 0xffff88012900f050 (dev) mountpoint struct 0xffff8801285e9740 > > struct mount 0xffff8800aa103e80 : mountpoint dentry > > 0xffff8800ca452290 (pts) mountpoint struct 0xffff8801285b6d40 > > struct mount 0xffff8800a3a9abc0 : mountpoint dentry > > 0xffff8800c89dc8d0 (jbod) mountpoint struct 0xffff8800c2841400 > > struct mount 0xffff8800b5e40540 : mountpoint dentry > > 0xffff8800ca4521d0 (run) mountpoint struct 0xffff8801285b6ce0 > > struct mount 0xffff8800c9dda800 : mountpoint dentry > > 0xffff8800ca49c950 (cpuacct) mountpoint struct 0xffff8801285e9f60 > > struct mount 0xffff8800b5e40cc0 : mountpoint dentry > > 0xffff8800ca4a0ed0 (devices) mountpoint struct 0xffff8801285e9ec0 > > struct mount 0xffff8800aa13e080 : mountpoint dentry > > 0xffff8800ca4524d0 (shm) mountpoint struct 0xffff8801285b6d80 > > struct mount 0xffff8800a3a9ad00 : mountpoint dentry > > 0xffff8800bd874110 (klages) mountpoint struct 0xffff8801285e99e0 > > struct mount 0xffff8800b5e407c0 : mountpoint dentry > > 0xffff8800ca4c8dd0 (security) mountpoint struct 0xffff8801285e9ac0 > > struct mount 0xffff8800aa1030c0 : mountpoint dentry > > 0xffff8800ca4992d0 (cpu) mountpoint struct 0xffff8801285e9fe0 > > struct mount 0xffff8800aa103700 : mountpoint dentry > > 0xffff8800ca452710 (sys) mountpoint struct 0xffff8801285b6e00 > > struct mount 0xffff8800a3a9a580 : mountpoint dentry > > 0xffff8800c8979590 (package) mountpoint struct 0xffff8801280ffce0 > > struct mount 0xffff8800c9dda6c0 : mountpoint dentry > > 0xffff8800ca4a0ed0 (devices) mountpoint struct 0xffff8801285e9ec0 > > struct mount 0xffff8800c9ddae40 : mountpoint dentry > > 0xffff8800ca457ed0 (cgroup) mountpoint struct 0xffff8801285b6c60 > > struct mount 0xffff8800aa103ac0 : mountpoint dentry > > 0xffff8800ca452a10 (proc) mountpoint struct 0xffff8801285b6e80 > > struct mount 0xffff880128fee440 : mountpoint dentry > > 0xffff8800ca452290 (pts) mountpoint struct 0xffff8801285b6d40 > > struct mount 0xffff880128feebc0 : mountpoint dentry > > 0xffff8800ca4e2d10 (run) mountpoint struct 0xffff8800ca1439c0 > > struct mount 0xffff8800b5e40180 : mountpoint dentry > > 0xffff8800ca4e21d0 (media) mountpoint struct 0xffff8801285e9600 > > struct mount 0xffff8800cac2b980 : mountpoint dentry > > 0xffff8800c88284d0 (connections) mountpoint struct 0xffff8800c8ed8480 > > struct mount 0xffff8800aa13e1c0 : mountpoint dentry > > 0xffff88012900f050 (dev) mountpoint struct 0xffff8801285e9740 > > struct mount 0xffff8800c9dda940 : mountpoint dentry > > 0xffff8800ca4992d0 (cpu) mountpoint struct 0xffff8801285e9fe0 > > struct mount 0xffff880128fee300 : mountpoint dentry > > 0xffff8800ca4524d0 (shm) mountpoint struct 0xffff8801285b6d80 > > struct mount 0xffff8800c9dda1c0 : mountpoint dentry > > 0xffff8800ca4cfdd0 (binfmt_misc) mountpoint struct 0xffff8801285e9c80 > > struct mount 0xffff8800c1d97e00 : mountpoint dentry > > 0xffff8800c8996890 (src) mountpoint struct 0xffff8801280ffc20 > > struct mount 0xffff8800aa103200 : mountpoint dentry > > 0xffff8800ca499ed0 (debug) mountpoint struct 0xffff8801285b69e0 > > struct mount 0xffff8800b5e40400 : mountpoint dentry > > 0xffff8800ca4e2d10 (run) mountpoint struct 0xffff8800ca1439c0 > > struct mount 0xffff8800c9e5e980 : mountpoint dentry > > 0xffff8800c8996dd0 (scratch) mountpoint struct 0xffff8801280ffc80 > > struct mount 0xffff8800aa103c00 : mountpoint dentry > > 0xffff8801290478d0 (mqueue) mountpoint struct 0xffff8801285e9b40 > > struct mount 0xffff8800c9dda080 : mountpoint dentry > > 0xffff8800ca4cc5d0 (debug) mountpoint struct 0xffff8801285e9c20 > > struct mount 0xffff8800a3a9a6c0 : mountpoint dentry > > 0xffff88007c86da10 (mariux32) mountpoint struct 0xffff880125e44480 > > struct mount 0xffff8800c9ddaa80 : mountpoint dentry > > 0xffff8800ca499ed0 (debug) mountpoint struct 0xffff8801285b69e0 > > struct mount 0xffff8800aa13e300 : mountpoint dentry > > 0xffff880129002ad0 (/) mountpoint struct 0xffff880128fef2e0 > > struct mount 0xffff8800a3a9a1c0 : mountpoint dentry > > 0xffff8800c8996890 (src) mountpoint struct 0xffff8801280ffc20 > > struct mount 0xffff8800aa103d40 : mountpoint dentry > > 0xffff8800ca4cf710 (hugepages) mountpoint struct 0xffff8801285e9d00 > > struct mount 0xffff8800c9e5ed40 : mountpoint dentry > > 0xffff8800ca4c8dd0 (security) mountpoint struct 0xffff8801285e9ac0 > > struct mount 0xffff8800c9e5ee80 : mountpoint dentry > > 0xffff8801290478d0 (mqueue) mountpoint struct 0xffff8801285e9b40 > > struct mount 0xffff8800a3a9a440 : mountpoint dentry > > 0xffff8800c8996dd0 (scratch) mountpoint struct 0xffff8801280ffc80 > > struct mount 0xffff8800a3a9a800 : mountpoint dentry > > 0xffff8800944ae1d0 (roche454) mountpoint struct 0xffff880125d17800 > > This is the struct mount of "mariux32" : > > > (gdb) print *(struct mount *)0xffff8800a3a9a6c0 > > $2 = {mnt_hash = {next = 0xffff880128e87cf0, prev = > > 0xffff880128e87cf0}, mnt_parent = 0xffff8800a3a9a940, mnt_mountpoint = > > 0xffff88007c86da10, mnt = {mnt_root = 0xffff88007c8ed590, > > mnt_sb = 0xffff880125fef800, mnt_flags = 33}, mnt_rcu = {next = > > 0x0, func = 0}, mnt_pcp = 0x60fed2000ab4, mnt_mounts = {next = > > 0xffff8800a3a9a710, prev = 0xffff8800a3a9a710}, > > mnt_child = {next = 0xffff8800a3a9a990, prev = 0xffff8800a3a9a860}, > > mnt_instance = {next = 0xffff880125fef8b0, prev = 0xffff880125fef8b0}, > > mnt_devname = 0xffff880120c69c80 > > "pille:/amd/pille/1/project/mariux32", mnt_list = {next = > > 0xffff8800a3a9a608, prev = 0xffff8800a3a9a888}, mnt_expire = {next = > > 0xffff8800a3a9a758, > > prev = 0xffff8800a3a9a758}, mnt_share = {next = > > 0xffff8800a3a9a768, prev = 0xffff8800a3a9a768}, mnt_slave_list = {next > > = 0xffff8800a3a9a778, prev = 0xffff8800a3a9a778}, > > mnt_slave = {next = 0xffff8800a3a9a788, prev = 0xffff8800a3a9a788}, > > mnt_master = 0x0, mnt_ns = 0xffff8801271f9300, mnt_mp = > > 0xffff880125e44480, mnt_fsnotify_marks = {first = 0x0}, > > mnt_fsnotify_mask = 0, mnt_id = 126, mnt_group_id = 0, > > mnt_expiry_mark = 0, mnt_pinned = 0, mnt_ex_mountpoint = {mnt = 0x0, > > dentry = 0x0}} > > > > This is the struct mount of the parent ( "/project") : > > > (gdb) print *((struct mount *)0xffff8800a3a9a6c0)->mnt_parent > > $3 = {mnt_hash = {next = 0xffff880128e87380, prev = > > 0xffff880128e87380}, mnt_parent = 0xffff8800aa13e300, mnt_mountpoint = mnt_hash->next == mnt_hash->prev, mount has been unlinked from the mount tree so is not "visible". As far as we are concerned this mount has gone. > > 0xffff8800c8b2e450, mnt = {mnt_root = 0xffff8800c8b2e810, > > mnt_sb = 0xffff8800c8f44000, mnt_flags = 32}, mnt_rcu = {next = > > 0x0, func = 0}, mnt_pcp = 0x60fed2000aa4, mnt_mounts = {next = > > 0xffff8800a3a9a860, prev = 0xffff8800a3a9a720}, > > mnt_child = {next = 0xffff8800a3a9a5e0, prev = 0xffff8800a3a9aae0}, > > mnt_instance = {next = 0xffff8800c8f440b0, prev = 0xffff8800c9e5e270}, > > mnt_devname = 0xffff8800a3efe1e0 "/etc/automount/auto.project", > > mnt_list = {next = 0xffff8800a3a9a888, prev = 0xffff8800a3a9ab08}, > > mnt_expire = {next = 0xffff8800a3a9a9d8, > > prev = 0xffff8800a3a9a9d8}, mnt_share = {next = > > 0xffff8800a3a9a9e8, prev = 0xffff8800a3a9a9e8}, mnt_slave_list = {next > > = 0xffff8800a3a9a9f8, prev = 0xffff8800a3a9a9f8}, > > mnt_slave = {next = 0xffff8800a3a9aa08, prev = 0xffff8800a3a9aa08}, > > mnt_master = 0x0, mnt_ns = 0xffff8801271f9300, mnt_mp = > > 0xffff8800c1d068a0, mnt_fsnotify_marks = {first = 0x0}, > > mnt_fsnotify_mask = 0, mnt_id = 124, mnt_group_id = 0, > > mnt_expiry_mark = 0, mnt_pinned = 0, mnt_ex_mountpoint = {mnt = 0x0, > > dentry = 0x0}} > > > Regards > Donald > -- To unsubscribe from this list: send the line "unsubscribe autofs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
