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cifs: on multiuser mount, set ownership to current_fsuid/current_fsgid (try #5)

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...when unix extensions aren't enabled. This makes everything on the
mount appear to be owned by the current user.

This version of the patch differs from previous versions however in that
the admin can still force the ownership of all files to appear as a
single user via the uid=/gid= options.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Jeff Layton 2010-10-07 14:46:28 -04:00 committed by Steve French
parent 13cd4b7f74
commit 3aa1c8c290
1 changed files with 10 additions and 0 deletions
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10
fs/cifs/inode.c
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@ -1755,11 +1755,21 @@ check_inval:
int cifs_getattr(struct vfsmount *mnt, struct dentry *dentry,
struct kstat *stat)
{
struct cifs_sb_info *cifs_sb = CIFS_SB(dentry->d_sb);
struct cifsTconInfo *tcon = cifs_sb_master_tcon(cifs_sb);
int err = cifs_revalidate_dentry(dentry);
if (!err) {
generic_fillattr(dentry->d_inode, stat);
stat->blksize = CIFS_MAX_MSGSIZE;
stat->ino = CIFS_I(dentry->d_inode)->uniqueid;
if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MULTIUSER) &&
!tcon->unix_ext) {
if (!cifs_sb->mnt_uid)
stat->uid = current_fsuid();
if (!cifs_sb->mnt_uid)
stat->gid = current_fsgid();
}
}
return err;
}