diff options
-rw-r--r-- | fs/attr.c | 6 | ||||
-rw-r--r-- | fs/ext2/inode.c | 4 | ||||
-rw-r--r-- | fs/ext4/inode.c | 10 | ||||
-rw-r--r-- | fs/f2fs/file.c | 18 | ||||
-rw-r--r-- | fs/quota/dquot.c | 4 | ||||
-rw-r--r-- | fs/xfs/xfs_iops.c | 8 | ||||
-rw-r--r-- | include/linux/quotaops.h | 6 | ||||
-rw-r--r-- | security/integrity/evm/evm_main.c | 4 |
8 files changed, 25 insertions, 35 deletions
diff --git a/fs/attr.c b/fs/attr.c index dbe996b0dedf..2e180dd9460f 100644 --- a/fs/attr.c +++ b/fs/attr.c @@ -242,10 +242,8 @@ void setattr_copy(struct user_namespace *mnt_userns, struct inode *inode, { unsigned int ia_valid = attr->ia_valid; - if (ia_valid & ATTR_UID) - inode->i_uid = attr->ia_uid; - if (ia_valid & ATTR_GID) - inode->i_gid = attr->ia_gid; + i_uid_update(&init_user_ns, attr, inode); + i_gid_update(&init_user_ns, attr, inode); if (ia_valid & ATTR_ATIME) inode->i_atime = attr->ia_atime; if (ia_valid & ATTR_MTIME) diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index e6b932219803..6dc66ab97d20 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -1684,8 +1684,8 @@ int ext2_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, if (error) return error; } - if ((iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid)) || - (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid))) { + if (i_uid_needs_update(&init_user_ns, iattr, inode) || + i_gid_needs_update(&init_user_ns, iattr, inode)) { error = dquot_transfer(inode, iattr); if (error) return error; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 84c0eb55071d..05d932f81c53 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -5356,8 +5356,8 @@ int ext4_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, return error; } - if ((ia_valid & ATTR_UID && !uid_eq(attr->ia_uid, inode->i_uid)) || - (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid))) { + if (i_uid_needs_update(&init_user_ns, attr, inode) || + i_gid_needs_update(&init_user_ns, attr, inode)) { handle_t *handle; /* (user+group)*(old+new) structure, inode write (sb, @@ -5383,10 +5383,8 @@ int ext4_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, } /* Update corresponding info in inode so that everything is in * one transaction */ - if (attr->ia_valid & ATTR_UID) - inode->i_uid = attr->ia_uid; - if (attr->ia_valid & ATTR_GID) - inode->i_gid = attr->ia_gid; + i_uid_update(&init_user_ns, attr, inode); + i_gid_update(&init_user_ns, 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 bd14cef1b08f..a35d6b12bd63 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -861,10 +861,8 @@ static void __setattr_copy(struct user_namespace *mnt_userns, { unsigned int ia_valid = attr->ia_valid; - if (ia_valid & ATTR_UID) - inode->i_uid = attr->ia_uid; - if (ia_valid & ATTR_GID) - inode->i_gid = attr->ia_gid; + i_uid_update(&init_user_ns, attr, inode); + i_gid_update(&init_user_ns, attr, inode); if (ia_valid & ATTR_ATIME) inode->i_atime = attr->ia_atime; if (ia_valid & ATTR_MTIME) @@ -922,10 +920,8 @@ int f2fs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, if (err) return err; } - if ((attr->ia_valid & ATTR_UID && - !uid_eq(attr->ia_uid, inode->i_uid)) || - (attr->ia_valid & ATTR_GID && - !gid_eq(attr->ia_gid, inode->i_gid))) { + if (i_uid_needs_update(&init_user_ns, attr, inode) || + i_gid_needs_update(&init_user_ns, attr, inode)) { f2fs_lock_op(F2FS_I_SB(inode)); err = dquot_transfer(inode, attr); if (err) { @@ -938,10 +934,8 @@ int f2fs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, * update uid/gid under lock_op(), so that dquot and inode can * be updated atomically. */ - if (attr->ia_valid & ATTR_UID) - inode->i_uid = attr->ia_uid; - if (attr->ia_valid & ATTR_GID) - inode->i_gid = attr->ia_gid; + i_uid_update(&init_user_ns, attr, inode); + i_gid_update(&init_user_ns, 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 09d1307959d0..6cec2bfbf51b 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -2095,7 +2095,7 @@ int dquot_transfer(struct inode *inode, struct iattr *iattr) if (!dquot_active(inode)) return 0; - if (iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid)){ + if (i_uid_needs_update(&init_user_ns, iattr, inode)) { dquot = dqget(sb, make_kqid_uid(iattr->ia_uid)); if (IS_ERR(dquot)) { if (PTR_ERR(dquot) != -ESRCH) { @@ -2106,7 +2106,7 @@ int dquot_transfer(struct inode *inode, struct iattr *iattr) } transfer_to[USRQUOTA] = dquot; } - if (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid)){ + if (i_gid_needs_update(&init_user_ns, iattr, inode)) { dquot = dqget(sb, make_kqid_gid(iattr->ia_gid)); if (IS_ERR(dquot)) { if (PTR_ERR(dquot) != -ESRCH) { diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 29f5b8b8aca6..31ec29565fb4 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -704,13 +704,13 @@ xfs_setattr_nonsize( * didn't have the inode locked, inode's dquot(s) would have changed * also. */ - if ((mask & ATTR_UID) && XFS_IS_UQUOTA_ON(mp) && - !uid_eq(inode->i_uid, iattr->ia_uid)) { + if (XFS_IS_UQUOTA_ON(mp) && + i_uid_needs_update(&init_user_ns, iattr, inode)) { ASSERT(udqp); old_udqp = xfs_qm_vop_chown(tp, ip, &ip->i_udquot, udqp); } - if ((mask & ATTR_GID) && XFS_IS_GQUOTA_ON(mp) && - !gid_eq(inode->i_gid, iattr->ia_gid)) { + if (XFS_IS_GQUOTA_ON(mp) && + i_gid_needs_update(&init_user_ns, 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/quotaops.h b/include/linux/quotaops.h index a0f6668924d3..61ee34861ca2 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -22,9 +22,9 @@ static inline struct quota_info *sb_dqopt(struct super_block *sb) /* i_mutex must being held */ static inline bool is_quota_modification(struct inode *inode, struct iattr *ia) { - return (ia->ia_valid & ATTR_SIZE) || - (ia->ia_valid & ATTR_UID && !uid_eq(ia->ia_uid, inode->i_uid)) || - (ia->ia_valid & ATTR_GID && !gid_eq(ia->ia_gid, inode->i_gid)); + return ((ia->ia_valid & ATTR_SIZE) || + i_uid_needs_update(&init_user_ns, ia, inode) || + i_gid_needs_update(&init_user_ns, ia, inode)); } #if defined(CONFIG_QUOTA) diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c index cc88f02c7562..bcde6bc2a2ce 100644 --- a/security/integrity/evm/evm_main.c +++ b/security/integrity/evm/evm_main.c @@ -760,8 +760,8 @@ static int evm_attr_change(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_backing_inode(dentry); unsigned int ia_valid = attr->ia_valid; - if ((!(ia_valid & ATTR_UID) || uid_eq(attr->ia_uid, inode->i_uid)) && - (!(ia_valid & ATTR_GID) || gid_eq(attr->ia_gid, inode->i_gid)) && + if (!i_uid_needs_update(&init_user_ns, attr, inode) && + !i_gid_needs_update(&init_user_ns, attr, inode) && (!(ia_valid & ATTR_MODE) || attr->ia_mode == inode->i_mode)) return 0; |