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Don't auto-start or allow extattrctl for UFS2 file systems, as UFS2 has

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native extended attributes.  This didn't interfere with the operation of
UFS2 extended attributes, but the code shouldn't be running for UFS2.

MFC after:	2 weeks
This commit is contained in:
Robert Watson 2008-03-02 22:52:14 +00:00
parent 6944dcc57a
commit 874f7ae331
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=176752
1 changed files with 18 additions and 0 deletions
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18
sys/ufs/ufs/ufs_extattr.c
View file

@ -448,8 +448,16 @@ int
ufs_extattr_autostart(struct mount *mp, struct thread *td)
{
struct vnode *rvp, *attr_dvp, *attr_system_dvp, *attr_user_dvp;
struct ufsmount *ump = VFSTOUFS(mp);
int error;
/*
* UFS_EXTATTR applies only to UFS1, as UFS2 uses native extended
* attributes, so don't autostart.
*/
if (ump->um_fstype != UFS1)
return (0);
/*
* Does UFS_EXTATTR_FSROOTSUBDIR exist off the filesystem root?
* If so, automatically start EA's.
@ -706,6 +714,16 @@ ufs_extattrctl(struct mount *mp, int cmd, struct vnode *filename_vp,
return (error);
}
/*
* We only allow extattrctl(2) on UFS1 file systems, as UFS2 uses
* native extended attributes.
*/
if (ump->um_fstype != UFS1) {
if (filename_vp != NULL)
VOP_UNLOCK(filename_vp, 0);
return (EOPNOTSUPP);
}
switch(cmd) {
case UFS_EXTATTR_CMD_START:
if (filename_vp != NULL) {