xfs: convert kuid_t to/from uid_t for internal structures
Use uint32 from init_user_ns for xfs internal uid/gid
representation in xfs_icdinode, xfs_dqid_t.
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: Dwight Engen <dwight.engen@oracle.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 82c5a5d..6d7e9e2 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -421,8 +421,8 @@
stat->dev = inode->i_sb->s_dev;
stat->mode = ip->i_d.di_mode;
stat->nlink = ip->i_d.di_nlink;
- stat->uid = ip->i_d.di_uid;
- stat->gid = ip->i_d.di_gid;
+ stat->uid = inode->i_uid;
+ stat->gid = inode->i_gid;
stat->ino = ip->i_ino;
stat->atime = inode->i_atime;
stat->mtime = inode->i_mtime;
@@ -486,8 +486,8 @@
int mask = iattr->ia_valid;
xfs_trans_t *tp;
int error;
- uid_t uid = 0, iuid = 0;
- gid_t gid = 0, igid = 0;
+ kuid_t uid = GLOBAL_ROOT_UID, iuid = GLOBAL_ROOT_UID;
+ kgid_t gid = GLOBAL_ROOT_GID, igid = GLOBAL_ROOT_GID;
struct xfs_dquot *udqp = NULL, *gdqp = NULL;
struct xfs_dquot *olddquot1 = NULL, *olddquot2 = NULL;
@@ -523,13 +523,13 @@
uid = iattr->ia_uid;
qflags |= XFS_QMOPT_UQUOTA;
} else {
- uid = ip->i_d.di_uid;
+ uid = inode->i_uid;
}
if ((mask & ATTR_GID) && XFS_IS_GQUOTA_ON(mp)) {
gid = iattr->ia_gid;
qflags |= XFS_QMOPT_GQUOTA;
} else {
- gid = ip->i_d.di_gid;
+ gid = inode->i_gid;
}
/*
@@ -539,8 +539,10 @@
*/
ASSERT(udqp == NULL);
ASSERT(gdqp == NULL);
- error = xfs_qm_vop_dqalloc(ip, uid, gid, xfs_get_projid(ip),
- qflags, &udqp, &gdqp, NULL);
+ error = xfs_qm_vop_dqalloc(ip, xfs_kuid_to_uid(uid),
+ xfs_kgid_to_gid(gid),
+ xfs_get_projid(ip),
+ qflags, &udqp, &gdqp, NULL);
if (error)
return error;
}
@@ -562,8 +564,8 @@
* while we didn't have the inode locked, inode's dquot(s)
* would have changed also.
*/
- iuid = ip->i_d.di_uid;
- igid = ip->i_d.di_gid;
+ iuid = inode->i_uid;
+ igid = inode->i_gid;
gid = (mask & ATTR_GID) ? iattr->ia_gid : igid;
uid = (mask & ATTR_UID) ? iattr->ia_uid : iuid;
@@ -572,8 +574,8 @@
* going to change.
*/
if (XFS_IS_QUOTA_RUNNING(mp) &&
- ((XFS_IS_UQUOTA_ON(mp) && iuid != uid) ||
- (XFS_IS_GQUOTA_ON(mp) && igid != gid))) {
+ ((XFS_IS_UQUOTA_ON(mp) && !uid_eq(iuid, uid)) ||
+ (XFS_IS_GQUOTA_ON(mp) && !gid_eq(igid, gid)))) {
ASSERT(tp);
error = xfs_qm_vop_chown_reserve(tp, ip, udqp, gdqp,
NULL, capable(CAP_FOWNER) ?
@@ -603,17 +605,17 @@
* Change the ownerships and register quota modifications
* in the transaction.
*/
- if (iuid != uid) {
+ if (!uid_eq(iuid, uid)) {
if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_UQUOTA_ON(mp)) {
ASSERT(mask & ATTR_UID);
ASSERT(udqp);
olddquot1 = xfs_qm_vop_chown(tp, ip,
&ip->i_udquot, udqp);
}
- ip->i_d.di_uid = uid;
+ ip->i_d.di_uid = xfs_kuid_to_uid(uid);
inode->i_uid = uid;
}
- if (igid != gid) {
+ if (!gid_eq(igid, gid)) {
if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_GQUOTA_ON(mp)) {
ASSERT(!XFS_IS_PQUOTA_ON(mp));
ASSERT(mask & ATTR_GID);
@@ -621,7 +623,7 @@
olddquot2 = xfs_qm_vop_chown(tp, ip,
&ip->i_gdquot, gdqp);
}
- ip->i_d.di_gid = gid;
+ ip->i_d.di_gid = xfs_kgid_to_gid(gid);
inode->i_gid = gid;
}
}
@@ -1172,8 +1174,8 @@
inode->i_mode = ip->i_d.di_mode;
set_nlink(inode, ip->i_d.di_nlink);
- inode->i_uid = ip->i_d.di_uid;
- inode->i_gid = ip->i_d.di_gid;
+ inode->i_uid = xfs_uid_to_kuid(ip->i_d.di_uid);
+ inode->i_gid = xfs_gid_to_kgid(ip->i_d.di_gid);
switch (inode->i_mode & S_IFMT) {
case S_IFBLK: