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Make it possible to mount nullfs(5) using plain mount(8)

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instead of mount_nullfs(8).

Obviously you'd need to force mount(8) to not call
mount_nullfs(8) to make use of it.

Reviewed by:	kib
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D26934
This commit is contained in:
Edward Tomasz Napierala 2020-10-29 15:28:15 +00:00
parent a249b285b7
commit e3c51151a0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=367137
1 changed files with 3 additions and 1 deletions
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4
sys/fs/nullfs/null_vfsops.c
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@ -104,7 +104,9 @@ nullfs_mount(struct mount *mp)
/*
* Get argument
*/
error = vfs_getopt(mp->mnt_optnew, "target", (void **)&target, &len);
error = vfs_getopt(mp->mnt_optnew, "from", (void **)&target, &len);
if (error != 0)
error = vfs_getopt(mp->mnt_optnew, "target", (void **)&target, &len);
if (error || target[len - 1] != '\0')
return (EINVAL);