[PATCH v2 4/5] xfs: Add namespace parameter to the xfs kuid/kgid <=> uid/gid wrappers
Andreas Gruenbacher
agruenba at redhat.com
Fri Oct 30 10:05:07 CDT 2015
Signed-off-by: Andreas Gruenbacher <agruenba at redhat.com>
---
fs/xfs/xfs_acl.c | 8 ++++----
fs/xfs/xfs_inode.c | 14 +++++++-------
fs/xfs/xfs_iops.c | 12 ++++++------
fs/xfs/xfs_linux.h | 21 ++++++++++-----------
fs/xfs/xfs_symlink.c | 4 ++--
5 files changed, 29 insertions(+), 30 deletions(-)
diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c
index c094165..40fce17 100644
--- a/fs/xfs/xfs_acl.c
+++ b/fs/xfs/xfs_acl.c
@@ -71,10 +71,10 @@ xfs_acl_from_disk(
switch (acl_e->e_tag) {
case ACL_USER:
- acl_e->e_uid = xfs_uid_to_kuid(be32_to_cpu(ace->ae_id));
+ acl_e->e_uid = xfs_uid_to_kuid(&init_user_ns, be32_to_cpu(ace->ae_id));
break;
case ACL_GROUP:
- acl_e->e_gid = xfs_gid_to_kgid(be32_to_cpu(ace->ae_id));
+ acl_e->e_gid = xfs_gid_to_kgid(&init_user_ns, be32_to_cpu(ace->ae_id));
break;
case ACL_USER_OBJ:
case ACL_GROUP_OBJ:
@@ -107,10 +107,10 @@ xfs_acl_to_disk(struct xfs_acl *aclp, const struct posix_acl *acl)
ace->ae_tag = cpu_to_be32(acl_e->e_tag);
switch (acl_e->e_tag) {
case ACL_USER:
- ace->ae_id = cpu_to_be32(xfs_kuid_to_uid(acl_e->e_uid));
+ ace->ae_id = cpu_to_be32(xfs_kuid_to_uid(&init_user_ns, acl_e->e_uid));
break;
case ACL_GROUP:
- ace->ae_id = cpu_to_be32(xfs_kgid_to_gid(acl_e->e_gid));
+ ace->ae_id = cpu_to_be32(xfs_kgid_to_gid(&init_user_ns, acl_e->e_gid));
break;
default:
ace->ae_id = cpu_to_be32(ACL_UNDEFINED_ID);
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index dc40a6d..d849b15 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -795,8 +795,8 @@ xfs_ialloc(
ip->i_d.di_onlink = 0;
ip->i_d.di_nlink = nlink;
ASSERT(ip->i_d.di_nlink == nlink);
- ip->i_d.di_uid = xfs_kuid_to_uid(current_fsuid());
- ip->i_d.di_gid = xfs_kgid_to_gid(current_fsgid());
+ ip->i_d.di_uid = xfs_kuid_to_uid(&init_user_ns, current_fsuid());
+ ip->i_d.di_gid = xfs_kgid_to_gid(&init_user_ns, current_fsgid());
xfs_set_projid(ip, prid);
memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
@@ -814,7 +814,7 @@ xfs_ialloc(
*/
if ((irix_sgid_inherit) &&
(ip->i_d.di_mode & S_ISGID) &&
- (!in_group_p(xfs_gid_to_kgid(ip->i_d.di_gid)))) {
+ (!in_group_p(xfs_gid_to_kgid(&init_user_ns, ip->i_d.di_gid)))) {
ip->i_d.di_mode &= ~S_ISGID;
}
@@ -1161,8 +1161,8 @@ xfs_create(
/*
* Make sure that we have allocated dquot(s) on disk.
*/
- error = xfs_qm_vop_dqalloc(dp, xfs_kuid_to_uid(current_fsuid()),
- xfs_kgid_to_gid(current_fsgid()), prid,
+ error = xfs_qm_vop_dqalloc(dp, xfs_kuid_to_uid(&init_user_ns, current_fsuid()),
+ xfs_kgid_to_gid(&init_user_ns, current_fsgid()), prid,
XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT,
&udqp, &gdqp, &pdqp);
if (error)
@@ -1340,8 +1340,8 @@ xfs_create_tmpfile(
/*
* Make sure that we have allocated dquot(s) on disk.
*/
- error = xfs_qm_vop_dqalloc(dp, xfs_kuid_to_uid(current_fsuid()),
- xfs_kgid_to_gid(current_fsgid()), prid,
+ error = xfs_qm_vop_dqalloc(dp, xfs_kuid_to_uid(&init_user_ns, current_fsuid()),
+ xfs_kgid_to_gid(&init_user_ns, current_fsgid()), prid,
XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT,
&udqp, &gdqp, &pdqp);
if (error)
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 8294132..f25d2c7 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -598,8 +598,8 @@ xfs_setattr_nonsize(
*/
ASSERT(udqp == NULL);
ASSERT(gdqp == NULL);
- error = xfs_qm_vop_dqalloc(ip, xfs_kuid_to_uid(uid),
- xfs_kgid_to_gid(gid),
+ error = xfs_qm_vop_dqalloc(ip, xfs_kuid_to_uid(&init_user_ns, uid),
+ xfs_kgid_to_gid(&init_user_ns, gid),
xfs_get_projid(ip),
qflags, &udqp, &gdqp, NULL);
if (error)
@@ -671,7 +671,7 @@ xfs_setattr_nonsize(
olddquot1 = xfs_qm_vop_chown(tp, ip,
&ip->i_udquot, udqp);
}
- ip->i_d.di_uid = xfs_kuid_to_uid(uid);
+ ip->i_d.di_uid = xfs_kuid_to_uid(&init_user_ns, uid);
inode->i_uid = uid;
}
if (!gid_eq(igid, gid)) {
@@ -683,7 +683,7 @@ xfs_setattr_nonsize(
olddquot2 = xfs_qm_vop_chown(tp, ip,
&ip->i_gdquot, gdqp);
}
- ip->i_d.di_gid = xfs_kgid_to_gid(gid);
+ ip->i_d.di_gid = xfs_kgid_to_gid(&init_user_ns, gid);
inode->i_gid = gid;
}
}
@@ -1230,8 +1230,8 @@ xfs_setup_inode(
inode->i_mode = ip->i_d.di_mode;
set_nlink(inode, ip->i_d.di_nlink);
- inode->i_uid = xfs_uid_to_kuid(ip->i_d.di_uid);
- inode->i_gid = xfs_gid_to_kgid(ip->i_d.di_gid);
+ inode->i_uid = xfs_uid_to_kuid(&init_user_ns, ip->i_d.di_uid);
+ inode->i_gid = xfs_gid_to_kgid(&init_user_ns, ip->i_d.di_gid);
switch (inode->i_mode & S_IFMT) {
case S_IFBLK:
diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h
index 85f883d..1bf92ec 100644
--- a/fs/xfs/xfs_linux.h
+++ b/fs/xfs/xfs_linux.h
@@ -173,28 +173,27 @@ struct xfs_kobj {
/* Kernel uid/gid conversion. These are used to convert to/from the on disk
* uid_t/gid_t types to the kuid_t/kgid_t types that the kernel uses internally.
- * The conversion here is type only, the value will remain the same since we
- * are converting to the init_user_ns. The uid is later mapped to a particular
- * user namespace value when crossing the kernel/user boundary.
+ * The uid is later mapped to a particular user namespace value when crossing
+ * the kernel/user boundary.
*/
-static inline __uint32_t xfs_kuid_to_uid(kuid_t uid)
+static inline __uint32_t xfs_kuid_to_uid(struct user_namespace *ns, kuid_t uid)
{
- return from_kuid(&init_user_ns, uid);
+ return from_kuid(ns, uid);
}
-static inline kuid_t xfs_uid_to_kuid(__uint32_t uid)
+static inline kuid_t xfs_uid_to_kuid(struct user_namespace *ns, __uint32_t uid)
{
- return make_kuid(&init_user_ns, uid);
+ return make_kuid(ns, uid);
}
-static inline __uint32_t xfs_kgid_to_gid(kgid_t gid)
+static inline __uint32_t xfs_kgid_to_gid(struct user_namespace *ns, kgid_t gid)
{
- return from_kgid(&init_user_ns, gid);
+ return from_kgid(ns, gid);
}
-static inline kgid_t xfs_gid_to_kgid(__uint32_t gid)
+static inline kgid_t xfs_gid_to_kgid(struct user_namespace *ns, __uint32_t gid)
{
- return make_kgid(&init_user_ns, gid);
+ return make_kgid(ns, gid);
}
/*
diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
index 996481e..a0c42a9 100644
--- a/fs/xfs/xfs_symlink.c
+++ b/fs/xfs/xfs_symlink.c
@@ -215,8 +215,8 @@ xfs_symlink(
* Make sure that we have allocated dquot(s) on disk.
*/
error = xfs_qm_vop_dqalloc(dp,
- xfs_kuid_to_uid(current_fsuid()),
- xfs_kgid_to_gid(current_fsgid()), prid,
+ xfs_kuid_to_uid(&init_user_ns, current_fsuid()),
+ xfs_kgid_to_gid(&init_user_ns, current_fsgid()), prid,
XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT,
&udqp, &gdqp, &pdqp);
if (error)
--
2.5.0
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