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-rw-r--r--fs/attr.c4
-rw-r--r--fs/ext4/inode.c9
-rw-r--r--fs/f2fs/file.c13
-rw-r--r--fs/quota/dquot.c4
-rw-r--r--fs/xfs/xfs_iops.c4
-rw-r--r--include/linux/fs.h24
-rw-r--r--include/linux/quotaops.h5
-rw-r--r--security/integrity/evm/evm_main.c5
8 files changed, 36 insertions, 32 deletions
diff --git a/fs/attr.c b/fs/attr.c
index 2cadd055dbf2..bbb9118c6c8b 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -311,8 +311,8 @@ void setattr_copy(struct mnt_idmap *idmap, struct inode *inode,
struct user_namespace *mnt_userns = mnt_idmap_owner(idmap);
unsigned int ia_valid = attr->ia_valid;
- i_uid_update(mnt_userns, attr, inode);
- i_gid_update(mnt_userns, attr, inode);
+ i_uid_update(idmap, attr, inode);
+ i_gid_update(idmap, attr, inode);
if (ia_valid & ATTR_ATIME)
inode->i_atime = attr->ia_atime;
if (ia_valid & ATTR_MTIME)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 8b9b1cb6e3ab..be664dc9b991 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -5442,7 +5442,6 @@ int ext4_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
int orphan = 0;
const unsigned int ia_valid = attr->ia_valid;
bool inc_ivers = true;
- struct user_namespace *mnt_userns = mnt_idmap_owner(idmap);
if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb))))
return -EIO;
@@ -5473,8 +5472,8 @@ int ext4_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
return error;
}
- if (i_uid_needs_update(mnt_userns, attr, inode) ||
- i_gid_needs_update(mnt_userns, attr, inode)) {
+ if (i_uid_needs_update(idmap, attr, inode) ||
+ i_gid_needs_update(idmap, attr, inode)) {
handle_t *handle;
/* (user+group)*(old+new) structure, inode write (sb,
@@ -5500,8 +5499,8 @@ int ext4_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
}
/* Update corresponding info in inode so that everything is in
* one transaction */
- i_uid_update(mnt_userns, attr, inode);
- i_gid_update(mnt_userns, attr, inode);
+ i_uid_update(idmap, attr, inode);
+ i_gid_update(idmap, attr, inode);
error = ext4_mark_inode_dirty(handle, inode);
ext4_journal_stop(handle);
if (unlikely(error)) {
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 262c831e3450..577c1613b6cf 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -909,8 +909,8 @@ static void __setattr_copy(struct mnt_idmap *idmap,
unsigned int ia_valid = attr->ia_valid;
struct user_namespace *mnt_userns = mnt_idmap_owner(idmap);
- i_uid_update(mnt_userns, attr, inode);
- i_gid_update(mnt_userns, attr, inode);
+ i_uid_update(idmap, attr, inode);
+ i_gid_update(idmap, attr, inode);
if (ia_valid & ATTR_ATIME)
inode->i_atime = attr->ia_atime;
if (ia_valid & ATTR_MTIME)
@@ -934,7 +934,6 @@ static void __setattr_copy(struct mnt_idmap *idmap,
int f2fs_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
struct iattr *attr)
{
- struct user_namespace *mnt_userns = mnt_idmap_owner(idmap);
struct inode *inode = d_inode(dentry);
int err;
@@ -970,8 +969,8 @@ int f2fs_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
if (err)
return err;
}
- if (i_uid_needs_update(mnt_userns, attr, inode) ||
- i_gid_needs_update(mnt_userns, attr, inode)) {
+ if (i_uid_needs_update(idmap, attr, inode) ||
+ i_gid_needs_update(idmap, attr, inode)) {
f2fs_lock_op(F2FS_I_SB(inode));
err = dquot_transfer(idmap, inode, attr);
if (err) {
@@ -984,8 +983,8 @@ int f2fs_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
* update uid/gid under lock_op(), so that dquot and inode can
* be updated atomically.
*/
- i_uid_update(mnt_userns, attr, inode);
- i_gid_update(mnt_userns, attr, inode);
+ i_uid_update(idmap, attr, inode);
+ i_gid_update(idmap, attr, inode);
f2fs_mark_inode_dirty_sync(inode, true);
f2fs_unlock_op(F2FS_I_SB(inode));
}
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 6ae106c0f146..207434a854f3 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -2097,7 +2097,7 @@ int dquot_transfer(struct mnt_idmap *idmap, struct inode *inode,
if (!dquot_active(inode))
return 0;
- if (i_uid_needs_update(mnt_userns, iattr, inode)) {
+ if (i_uid_needs_update(idmap, iattr, inode)) {
kuid_t kuid = from_vfsuid(mnt_userns, i_user_ns(inode),
iattr->ia_vfsuid);
@@ -2111,7 +2111,7 @@ int dquot_transfer(struct mnt_idmap *idmap, struct inode *inode,
}
transfer_to[USRQUOTA] = dquot;
}
- if (i_gid_needs_update(mnt_userns, iattr, inode)) {
+ if (i_gid_needs_update(idmap, iattr, inode)) {
kgid_t kgid = from_vfsgid(mnt_userns, i_user_ns(inode),
iattr->ia_vfsgid);
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 94c2f4aa675a..c6284fb9e136 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -720,12 +720,12 @@ xfs_setattr_nonsize(
* also.
*/
if (XFS_IS_UQUOTA_ON(mp) &&
- i_uid_needs_update(mnt_userns, iattr, inode)) {
+ i_uid_needs_update(idmap, iattr, inode)) {
ASSERT(udqp);
old_udqp = xfs_qm_vop_chown(tp, ip, &ip->i_udquot, udqp);
}
if (XFS_IS_GQUOTA_ON(mp) &&
- i_gid_needs_update(mnt_userns, iattr, inode)) {
+ i_gid_needs_update(idmap, iattr, inode)) {
ASSERT(xfs_has_pquotino(mp) || !XFS_IS_PQUOTA_ON(mp));
ASSERT(gdqp);
old_gdqp = xfs_qm_vop_chown(tp, ip, &ip->i_gdquot, gdqp);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 696540a86183..3611d459bf88 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1647,7 +1647,7 @@ static inline vfsuid_t i_uid_into_vfsuid(struct user_namespace *mnt_userns,
/**
* i_uid_needs_update - check whether inode's i_uid needs to be updated
- * @mnt_userns: user namespace of the mount the inode was found from
+ * @idmap: idmap of the mount the inode was found from
* @attr: the new attributes of @inode
* @inode: the inode to update
*
@@ -1656,10 +1656,12 @@ static inline vfsuid_t i_uid_into_vfsuid(struct user_namespace *mnt_userns,
*
* Return: true if @inode's i_uid field needs to be updated, false if not.
*/
-static inline bool i_uid_needs_update(struct user_namespace *mnt_userns,
+static inline bool i_uid_needs_update(struct mnt_idmap *idmap,
const struct iattr *attr,
const struct inode *inode)
{
+ struct user_namespace *mnt_userns = mnt_idmap_owner(idmap);
+
return ((attr->ia_valid & ATTR_UID) &&
!vfsuid_eq(attr->ia_vfsuid,
i_uid_into_vfsuid(mnt_userns, inode)));
@@ -1667,17 +1669,19 @@ static inline bool i_uid_needs_update(struct user_namespace *mnt_userns,
/**
* i_uid_update - update @inode's i_uid field
- * @mnt_userns: user namespace of the mount the inode was found from
+ * @idmap: idmap of the mount the inode was found from
* @attr: the new attributes of @inode
* @inode: the inode to update
*
* Safely update @inode's i_uid field translating the vfsuid of any idmapped
* mount into the filesystem kuid.
*/
-static inline void i_uid_update(struct user_namespace *mnt_userns,
+static inline void i_uid_update(struct mnt_idmap *idmap,
const struct iattr *attr,
struct inode *inode)
{
+ struct user_namespace *mnt_userns = mnt_idmap_owner(idmap);
+
if (attr->ia_valid & ATTR_UID)
inode->i_uid = from_vfsuid(mnt_userns, i_user_ns(inode),
attr->ia_vfsuid);
@@ -1699,7 +1703,7 @@ static inline vfsgid_t i_gid_into_vfsgid(struct user_namespace *mnt_userns,
/**
* i_gid_needs_update - check whether inode's i_gid needs to be updated
- * @mnt_userns: user namespace of the mount the inode was found from
+ * @idmap: idmap of the mount the inode was found from
* @attr: the new attributes of @inode
* @inode: the inode to update
*
@@ -1708,10 +1712,12 @@ static inline vfsgid_t i_gid_into_vfsgid(struct user_namespace *mnt_userns,
*
* Return: true if @inode's i_gid field needs to be updated, false if not.
*/
-static inline bool i_gid_needs_update(struct user_namespace *mnt_userns,
+static inline bool i_gid_needs_update(struct mnt_idmap *idmap,
const struct iattr *attr,
const struct inode *inode)
{
+ struct user_namespace *mnt_userns = mnt_idmap_owner(idmap);
+
return ((attr->ia_valid & ATTR_GID) &&
!vfsgid_eq(attr->ia_vfsgid,
i_gid_into_vfsgid(mnt_userns, inode)));
@@ -1719,17 +1725,19 @@ static inline bool i_gid_needs_update(struct user_namespace *mnt_userns,
/**
* i_gid_update - update @inode's i_gid field
- * @mnt_userns: user namespace of the mount the inode was found from
+ * @idmap: idmap of the mount the inode was found from
* @attr: the new attributes of @inode
* @inode: the inode to update
*
* Safely update @inode's i_gid field translating the vfsgid of any idmapped
* mount into the filesystem kgid.
*/
-static inline void i_gid_update(struct user_namespace *mnt_userns,
+static inline void i_gid_update(struct mnt_idmap *idmap,
const struct iattr *attr,
struct inode *inode)
{
+ struct user_namespace *mnt_userns = mnt_idmap_owner(idmap);
+
if (attr->ia_valid & ATTR_GID)
inode->i_gid = from_vfsgid(mnt_userns, i_user_ns(inode),
attr->ia_vfsgid);
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 5f6744b3ceac..11a4becff3a9 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -23,10 +23,9 @@ static inline struct quota_info *sb_dqopt(struct super_block *sb)
static inline bool is_quota_modification(struct mnt_idmap *idmap,
struct inode *inode, struct iattr *ia)
{
- struct user_namespace *mnt_userns = mnt_idmap_owner(idmap);
return ((ia->ia_valid & ATTR_SIZE) ||
- i_uid_needs_update(mnt_userns, ia, inode) ||
- i_gid_needs_update(mnt_userns, ia, inode));
+ i_uid_needs_update(idmap, ia, inode) ||
+ i_gid_needs_update(idmap, ia, inode));
}
#if defined(CONFIG_QUOTA)
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index 4e5adddb3577..cf24c5255583 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -783,11 +783,10 @@ static int evm_attr_change(struct mnt_idmap *idmap,
struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = d_backing_inode(dentry);
- struct user_namespace *mnt_userns = mnt_idmap_owner(idmap);
unsigned int ia_valid = attr->ia_valid;
- if (!i_uid_needs_update(mnt_userns, attr, inode) &&
- !i_gid_needs_update(mnt_userns, attr, inode) &&
+ if (!i_uid_needs_update(idmap, attr, inode) &&
+ !i_gid_needs_update(idmap, attr, inode) &&
(!(ia_valid & ATTR_MODE) || attr->ia_mode == inode->i_mode))
return 0;