Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /* mountpoint management
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Written by David Howells (dhowells@redhat.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/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/pagemap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/mount.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/namei.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/gfp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/fs_context.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include "internal.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) static struct dentry *afs_mntpt_lookup(struct inode *dir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 				       struct dentry *dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 				       unsigned int flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) static int afs_mntpt_open(struct inode *inode, struct file *file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) static void afs_mntpt_expiry_timed_out(struct work_struct *work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) const struct file_operations afs_mntpt_file_operations = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	.open		= afs_mntpt_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	.llseek		= noop_llseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) const struct inode_operations afs_mntpt_inode_operations = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	.lookup		= afs_mntpt_lookup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	.readlink	= page_readlink,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	.getattr	= afs_getattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) const struct inode_operations afs_autocell_inode_operations = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	.getattr	= afs_getattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) static LIST_HEAD(afs_vfsmounts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) static DECLARE_DELAYED_WORK(afs_mntpt_expiry_timer, afs_mntpt_expiry_timed_out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) static unsigned long afs_mntpt_expiry_timeout = 10 * 60;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) static const char afs_root_volume[] = "root.cell";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49)  * no valid lookup procedure on this sort of dir
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) static struct dentry *afs_mntpt_lookup(struct inode *dir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 				       struct dentry *dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 				       unsigned int flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	_enter("%p,%p{%pd2}", dir, dentry, dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	return ERR_PTR(-EREMOTE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) }
^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)  * no valid open procedure on this sort of dir
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) static int afs_mntpt_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	_enter("%p,%p{%pD2}", inode, file, file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	return -EREMOTE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69)  * Set the parameters for the proposed superblock.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) static int afs_mntpt_set_params(struct fs_context *fc, struct dentry *mntpt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	struct afs_fs_context *ctx = fc->fs_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	struct afs_super_info *src_as = AFS_FS_S(mntpt->d_sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	struct afs_vnode *vnode = AFS_FS_I(d_inode(mntpt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	struct afs_cell *cell;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	const char *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	if (fc->net_ns != src_as->net_ns) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		put_net(fc->net_ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 		fc->net_ns = get_net(src_as->net_ns);
^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) 	if (src_as->volume && src_as->volume->type == AFSVL_RWVOL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 		ctx->type = AFSVL_RWVOL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 		ctx->force = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	if (ctx->cell) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		afs_unuse_cell(ctx->net, ctx->cell, afs_cell_trace_unuse_mntpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 		ctx->cell = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	if (test_bit(AFS_VNODE_PSEUDODIR, &vnode->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 		/* if the directory is a pseudo directory, use the d_name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 		unsigned size = mntpt->d_name.len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		if (size < 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 			return -ENOENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		p = mntpt->d_name.name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 		if (mntpt->d_name.name[0] == '.') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 			size--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 			p++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 			ctx->type = AFSVL_RWVOL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 			ctx->force = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		if (size > AFS_MAXCELLNAME)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 			return -ENAMETOOLONG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 		cell = afs_lookup_cell(ctx->net, p, size, NULL, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 		if (IS_ERR(cell)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 			pr_err("kAFS: unable to lookup cell '%pd'\n", mntpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 			return PTR_ERR(cell);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		ctx->cell = cell;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 		ctx->volname = afs_root_volume;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 		ctx->volnamesz = sizeof(afs_root_volume) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 		/* read the contents of the AFS special symlink */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		struct page *page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		loff_t size = i_size_read(d_inode(mntpt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 		char *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 		if (src_as->cell)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 			ctx->cell = afs_use_cell(src_as->cell, afs_cell_trace_use_mntpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 		if (size < 2 || size > PAGE_SIZE - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 		page = read_mapping_page(d_inode(mntpt)->i_mapping, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 		if (IS_ERR(page))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 			return PTR_ERR(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 		if (PageError(page)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 			ret = afs_bad(AFS_FS_I(d_inode(mntpt)), afs_file_error_mntpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 			put_page(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		buf = kmap(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 		if (buf[size - 1] == '.')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 			ret = vfs_parse_fs_string(fc, "source", buf, size - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 		kunmap(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 		put_page(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)  * create a vfsmount to be automounted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) static struct vfsmount *afs_mntpt_do_automount(struct dentry *mntpt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	struct fs_context *fc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	struct vfsmount *mnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	BUG_ON(!d_inode(mntpt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	fc = fs_context_for_submount(&afs_fs_type, mntpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	if (IS_ERR(fc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 		return ERR_CAST(fc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	ret = afs_mntpt_set_params(fc, mntpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 		mnt = fc_mount(fc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 		mnt = ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	put_fs_context(fc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	return mnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)  * handle an automount point
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) struct vfsmount *afs_d_automount(struct path *path)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	struct vfsmount *newmnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	_enter("{%pd}", path->dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	newmnt = afs_mntpt_do_automount(path->dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	if (IS_ERR(newmnt))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		return newmnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	mntget(newmnt); /* prevent immediate expiration */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	mnt_set_expiry(newmnt, &afs_vfsmounts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	queue_delayed_work(afs_wq, &afs_mntpt_expiry_timer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 			   afs_mntpt_expiry_timeout * HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	_leave(" = %p", newmnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	return newmnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)  * handle mountpoint expiry timer going off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) static void afs_mntpt_expiry_timed_out(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	_enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	if (!list_empty(&afs_vfsmounts)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 		mark_mounts_for_expiry(&afs_vfsmounts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 		queue_delayed_work(afs_wq, &afs_mntpt_expiry_timer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 				   afs_mntpt_expiry_timeout * HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	_leave("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)  * kill the AFS mountpoint timer if it's still running
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) void afs_mntpt_kill_timer(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	_enter("");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	ASSERT(list_empty(&afs_vfsmounts));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	cancel_delayed_work_sync(&afs_mntpt_expiry_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) }