Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * linux/fs/ceph/acl.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (C) 2013 Guangliang Zhao, <lucienchao@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/ceph/ceph_debug.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/xattr.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/posix_acl_xattr.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/posix_acl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include "super.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) static inline void ceph_set_cached_acl(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 					int type, struct posix_acl *acl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	struct ceph_inode_info *ci = ceph_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	spin_lock(&ci->i_ceph_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	if (__ceph_caps_issued_mask_metric(ci, CEPH_CAP_XATTR_SHARED, 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 		set_cached_acl(inode, type, acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 		forget_cached_acl(inode, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	spin_unlock(&ci->i_ceph_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) struct posix_acl *ceph_get_acl(struct inode *inode, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	int size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	unsigned int retry_cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	char *value = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	struct posix_acl *acl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	case ACL_TYPE_ACCESS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 		name = XATTR_NAME_POSIX_ACL_ACCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	case ACL_TYPE_DEFAULT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 		name = XATTR_NAME_POSIX_ACL_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 		BUG();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) retry:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	size = __ceph_getxattr(inode, name, "", 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	if (size > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 		value = kzalloc(size, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 		if (!value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 			return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 		size = __ceph_getxattr(inode, name, value, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	if (size == -ERANGE && retry_cnt < 10) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		retry_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		kfree(value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		value = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 		goto retry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	if (size > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 		acl = posix_acl_from_xattr(&init_user_ns, value, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	} else if (size == -ENODATA || size == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 		acl = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 		pr_err_ratelimited("get acl %llx.%llx failed, err=%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 				   ceph_vinop(inode), size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		acl = ERR_PTR(-EIO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	kfree(value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	if (!IS_ERR(acl))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		ceph_set_cached_acl(inode, type, acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	return acl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	int ret = 0, size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	const char *name = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	char *value = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	struct iattr newattrs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	struct timespec64 old_ctime = inode->i_ctime;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	umode_t new_mode = inode->i_mode, old_mode = inode->i_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	if (ceph_snap(inode) != CEPH_NOSNAP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 		ret = -EROFS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	case ACL_TYPE_ACCESS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 		name = XATTR_NAME_POSIX_ACL_ACCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 		if (acl) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 			ret = posix_acl_update_mode(inode, &new_mode, &acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 			if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 				goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	case ACL_TYPE_DEFAULT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		if (!S_ISDIR(inode->i_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 			ret = acl ? -EINVAL : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 		name = XATTR_NAME_POSIX_ACL_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	if (acl) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		size = posix_acl_xattr_size(acl->a_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		value = kmalloc(size, GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 		if (!value) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 			ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 		ret = posix_acl_to_xattr(&init_user_ns, acl, value, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 		if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 			goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	if (new_mode != old_mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 		newattrs.ia_ctime = current_time(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 		newattrs.ia_mode = new_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 		newattrs.ia_valid = ATTR_MODE | ATTR_CTIME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 		ret = __ceph_setattr(inode, &newattrs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 			goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	ret = __ceph_setxattr(inode, name, value, size, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 		if (new_mode != old_mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 			newattrs.ia_ctime = old_ctime;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 			newattrs.ia_mode = old_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 			newattrs.ia_valid = ATTR_MODE | ATTR_CTIME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 			__ceph_setattr(inode, &newattrs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	ceph_set_cached_acl(inode, type, acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) out_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	kfree(value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) int ceph_pre_init_acls(struct inode *dir, umode_t *mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 		       struct ceph_acl_sec_ctx *as_ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	struct posix_acl *acl, *default_acl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	size_t val_size1 = 0, val_size2 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	struct ceph_pagelist *pagelist = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	void *tmp_buf = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	err = posix_acl_create(dir, mode, &default_acl, &acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	if (acl) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		err = posix_acl_equiv_mode(acl, mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 			goto out_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		if (err == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 			posix_acl_release(acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 			acl = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	if (!default_acl && !acl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	if (acl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		val_size1 = posix_acl_xattr_size(acl->a_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	if (default_acl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		val_size2 = posix_acl_xattr_size(default_acl->a_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	tmp_buf = kmalloc(max(val_size1, val_size2), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	if (!tmp_buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 		goto out_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	pagelist = ceph_pagelist_alloc(GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	if (!pagelist)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		goto out_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	err = ceph_pagelist_reserve(pagelist, PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		goto out_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	ceph_pagelist_encode_32(pagelist, acl && default_acl ? 2 : 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	if (acl) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 		size_t len = strlen(XATTR_NAME_POSIX_ACL_ACCESS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 		err = ceph_pagelist_reserve(pagelist, len + val_size1 + 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 			goto out_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		ceph_pagelist_encode_string(pagelist, XATTR_NAME_POSIX_ACL_ACCESS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 					    len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 		err = posix_acl_to_xattr(&init_user_ns, acl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 					 tmp_buf, val_size1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 		if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 			goto out_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 		ceph_pagelist_encode_32(pagelist, val_size1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		ceph_pagelist_append(pagelist, tmp_buf, val_size1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	if (default_acl) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 		size_t len = strlen(XATTR_NAME_POSIX_ACL_DEFAULT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		err = ceph_pagelist_reserve(pagelist, len + val_size2 + 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 			goto out_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		ceph_pagelist_encode_string(pagelist,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 					  XATTR_NAME_POSIX_ACL_DEFAULT, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		err = posix_acl_to_xattr(&init_user_ns, default_acl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 					 tmp_buf, val_size2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 		if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 			goto out_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 		ceph_pagelist_encode_32(pagelist, val_size2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 		ceph_pagelist_append(pagelist, tmp_buf, val_size2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	kfree(tmp_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	as_ctx->acl = acl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	as_ctx->default_acl = default_acl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	as_ctx->pagelist = pagelist;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) out_err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	posix_acl_release(acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	posix_acl_release(default_acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	kfree(tmp_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	if (pagelist)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 		ceph_pagelist_release(pagelist);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) void ceph_init_inode_acls(struct inode *inode, struct ceph_acl_sec_ctx *as_ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	if (!inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	ceph_set_cached_acl(inode, ACL_TYPE_ACCESS, as_ctx->acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	ceph_set_cached_acl(inode, ACL_TYPE_DEFAULT, as_ctx->default_acl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) }