[Bug 222078] Only the last option of "zfs mount -o" is honored
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bugzilla-noreply at freebsd.org
Tue Sep 5 18:26:07 UTC 2017
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222078
Bug ID: 222078
Summary: Only the last option of "zfs mount -o" is honored
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: kern
Assignee: freebsd-bugs at FreeBSD.org
Reporter: asomers at FreeBSD.org
The "-o" option to "zfs mount" can be used to pass a list of options to
nmount(2), like this: "zfs mount -o <opt>,<opt>,...,<opt>". However, only the
last option actually gets sent:
# zfs mount -o nosuid,noatime foo/fs
# mount | grep foo.fs
foo/fs on /foo/fs (zfs, local, noatime, nfsv4acls)
# zfs unmount foo/fs
# zfs mount -o noatime,nosuid foo/fs
# mount | grep foo.fs
foo/fs on /foo/fs (zfs, local, nosuid, nfsv4acls)
Notice how in the first case, only "noatime" was set, and in the second case,
only "nosuid" was set. Both options should've been set both times.
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