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userns: Convert hostfs to use kuid and kgid where appropriate 

Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2012-02-07 16:28:57 -08:00
parent 581abc09c2
commit 29f82ae56e
2 changed files with 4 additions and 6 deletions
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8
fs/hostfs/hostfs_kern.c
View File

@ -542,8 +542,8 @@ static int read_name(struct inode *ino, char *name)
ino->i_ino = st.ino;
ino->i_mode = st.mode;
set_nlink(ino, st.nlink);
ino->i_uid = st.uid;
ino->i_gid = st.gid;
i_uid_write(ino, st.uid);
i_gid_write(ino, st.gid);
ino->i_atime = st.atime;
ino->i_mtime = st.mtime;
ino->i_ctime = st.ctime;
@ -808,11 +808,11 @@ int hostfs_setattr(struct dentry *dentry, struct iattr *attr)
}
if (attr->ia_valid & ATTR_UID) {
attrs.ia_valid |= HOSTFS_ATTR_UID;
attrs.ia_uid = attr->ia_uid;
attrs.ia_uid = from_kuid(&init_user_ns, attr->ia_uid);
}
if (attr->ia_valid & ATTR_GID) {
attrs.ia_valid |= HOSTFS_ATTR_GID;
attrs.ia_gid = attr->ia_gid;
attrs.ia_gid = from_kgid(&init_user_ns, attr->ia_gid);
}
if (attr->ia_valid & ATTR_SIZE) {
attrs.ia_valid |= HOSTFS_ATTR_SIZE;

2
init/Kconfig
View File

@ -957,8 +957,6 @@ config UIDGID_CONVERTED
depends on UFS_FS = n
depends on XFS_FS = n
depends on !UML || HOSTFS = n
# The rare drivers that won't build
depends on ANDROID_BINDER_IPC = n