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author | Karel Zak | 2009-06-10 09:37:43 +0200 |
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committer | Karel Zak | 2009-06-10 09:37:43 +0200 |
commit | 0fae284a7a13d4d2dba7a908e0662a6d9c46f877 (patch) | |
tree | 75fb3ac38d54ec1433c1d836985a9a9171415c42 /AUTHORS | |
parent | mount: use "none" fstype for MS_PROPAGATION mounts (diff) | |
download | kernel-qcow2-util-linux-0fae284a7a13d4d2dba7a908e0662a6d9c46f877.tar.gz kernel-qcow2-util-linux-0fae284a7a13d4d2dba7a908e0662a6d9c46f877.tar.xz kernel-qcow2-util-linux-0fae284a7a13d4d2dba7a908e0662a6d9c46f877.zip |
mount: move MS_{PROPAGATION,BIND,MOVE} detection
The previous commit does not properly fix the problem with "none"
fstype and MS_{PROPAGATION,BIND,MOVE} flags. The real fstype has to
be replaced with "none" before we try to use /sbin/mount.<type>
helper.
Old version:
# grep test /proc/self/mountinfo
16 18 0:19 / /mnt/test rw,relatime - tmpfs tmpfs rw
# ./mount -v -v -v --make-private /mnt/test
mount: fstab path: "/etc/fstab"
mount: mtab path: "/etc/mtab"
mount: lock path: "/etc/mtab~"
mount: temp path: "/etc/mtab.tmp"
mount: UID: 0
mount: eUID: 0
mount: spec: "tmpfs"
mount: node: "/mnt/test"
mount: types: "tmpfs"
mount: opts: "rw"
mount: external mount: argv[0] = "/sbin/mount.tmpfs"
mount: external mount: argv[1] = "tmpfs"
mount: external mount: argv[2] = "/mnt/test"
mount: external mount: argv[3] = "-v"
mount: external mount: argv[4] = "-o"
mount: external mount: argv[5] = "rw"
tmpfs on /mnt/test type tmpfs (rw)
# grep test /proc/self/mountinfo
16 18 0:19 / /mnt/test rw,relatime - tmpfs tmpfs rw
17 16 0:20 / /mnt/test rw,relatime - tmpfs tmpfs rw
Fixed version:
# grep test /proc/self/mountinfo
16 18 0:19 / /mnt/test rw,relatime - tmpfs tmpfs rw
# ./mount -v -v -v --make-private /mnt/test
mount: fstab path: "/etc/fstab"
mount: mtab path: "/etc/mtab"
mount: lock path: "/etc/mtab~"
mount: temp path: "/etc/mtab.tmp"
mount: UID: 0
mount: eUID: 0
mount: spec: "tmpfs"
mount: node: "/mnt/test"
mount: types: "tmpfs"
mount: opts: "rw"
mount: mount(2) syscall: source: "tmpfs", target: "/mnt/test",
filesystemtype: "none", mountflags: 262144, data: (null)
# grep test /proc/self/mountinfo
16 18 0:19 / /mnt/test rw,relatime - tmpfs tmpfs rw
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'AUTHORS')
0 files changed, 0 insertions, 0 deletions