mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-12-27 19:39:35 +03:00
3c13601a12
6.6 made i_ctime inaccessible; 6.7 has done the same for i_atime and
i_mtime. This extends the method used for ctime in b37f29341 to atime
and mtime as well.
Signed-off-by: Rob Norris <robn@despairlabs.com>
Sponsored-by: https://github.com/sponsors/robn
298 lines
9.1 KiB
C
298 lines
9.1 KiB
C
/*
|
|
* CDDL HEADER START
|
|
*
|
|
* The contents of this file are subject to the terms of the
|
|
* Common Development and Distribution License (the "License").
|
|
* You may not use this file except in compliance with the License.
|
|
*
|
|
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
|
* or https://opensource.org/licenses/CDDL-1.0.
|
|
* See the License for the specific language governing permissions
|
|
* and limitations under the License.
|
|
*
|
|
* When distributing Covered Code, include this CDDL HEADER in each
|
|
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
|
* If applicable, add the following below this CDDL HEADER, with the
|
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
|
* information: Portions Copyright [yyyy] [name of copyright owner]
|
|
*
|
|
* CDDL HEADER END
|
|
*/
|
|
/*
|
|
* Copyright (c) 2011, Lawrence Livermore National Security, LLC.
|
|
*/
|
|
|
|
#ifndef _SYS_ZPL_H
|
|
#define _SYS_ZPL_H
|
|
|
|
#include <sys/mntent.h>
|
|
#include <sys/vfs.h>
|
|
#include <linux/aio.h>
|
|
#include <linux/dcache_compat.h>
|
|
#include <linux/exportfs.h>
|
|
#include <linux/falloc.h>
|
|
#include <linux/parser.h>
|
|
#include <linux/task_io_accounting_ops.h>
|
|
#include <linux/vfs_compat.h>
|
|
#include <linux/writeback.h>
|
|
#include <linux/xattr_compat.h>
|
|
|
|
/* zpl_inode.c */
|
|
extern void zpl_vap_init(vattr_t *vap, struct inode *dir,
|
|
umode_t mode, cred_t *cr, zidmap_t *mnt_ns);
|
|
|
|
extern const struct inode_operations zpl_inode_operations;
|
|
#ifdef HAVE_RENAME2_OPERATIONS_WRAPPER
|
|
extern const struct inode_operations_wrapper zpl_dir_inode_operations;
|
|
#else
|
|
extern const struct inode_operations zpl_dir_inode_operations;
|
|
#endif
|
|
extern const struct inode_operations zpl_symlink_inode_operations;
|
|
extern const struct inode_operations zpl_special_inode_operations;
|
|
|
|
/* zpl_file.c */
|
|
extern const struct address_space_operations zpl_address_space_operations;
|
|
#ifdef HAVE_VFS_FILE_OPERATIONS_EXTEND
|
|
extern const struct file_operations_extend zpl_file_operations;
|
|
#else
|
|
extern const struct file_operations zpl_file_operations;
|
|
#endif
|
|
extern const struct file_operations zpl_dir_file_operations;
|
|
|
|
/* zpl_super.c */
|
|
extern void zpl_prune_sb(uint64_t nr_to_scan, void *arg);
|
|
|
|
extern const struct super_operations zpl_super_operations;
|
|
extern const struct export_operations zpl_export_operations;
|
|
extern struct file_system_type zpl_fs_type;
|
|
|
|
/* zpl_xattr.c */
|
|
extern ssize_t zpl_xattr_list(struct dentry *dentry, char *buf, size_t size);
|
|
extern int zpl_xattr_security_init(struct inode *ip, struct inode *dip,
|
|
const struct qstr *qstr);
|
|
#if defined(CONFIG_FS_POSIX_ACL)
|
|
#if defined(HAVE_SET_ACL)
|
|
#if defined(HAVE_SET_ACL_IDMAP_DENTRY)
|
|
extern int zpl_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
|
|
struct posix_acl *acl, int type);
|
|
#elif defined(HAVE_SET_ACL_USERNS)
|
|
extern int zpl_set_acl(struct user_namespace *userns, struct inode *ip,
|
|
struct posix_acl *acl, int type);
|
|
#elif defined(HAVE_SET_ACL_USERNS_DENTRY_ARG2)
|
|
extern int zpl_set_acl(struct user_namespace *userns, struct dentry *dentry,
|
|
struct posix_acl *acl, int type);
|
|
#else
|
|
extern int zpl_set_acl(struct inode *ip, struct posix_acl *acl, int type);
|
|
#endif /* HAVE_SET_ACL_USERNS */
|
|
#endif /* HAVE_SET_ACL */
|
|
#if defined(HAVE_GET_ACL_RCU) || defined(HAVE_GET_INODE_ACL)
|
|
extern struct posix_acl *zpl_get_acl(struct inode *ip, int type, bool rcu);
|
|
#elif defined(HAVE_GET_ACL)
|
|
extern struct posix_acl *zpl_get_acl(struct inode *ip, int type);
|
|
#endif
|
|
extern int zpl_init_acl(struct inode *ip, struct inode *dir);
|
|
extern int zpl_chmod_acl(struct inode *ip);
|
|
#else
|
|
static inline int
|
|
zpl_init_acl(struct inode *ip, struct inode *dir)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
static inline int
|
|
zpl_chmod_acl(struct inode *ip)
|
|
{
|
|
return (0);
|
|
}
|
|
#endif /* CONFIG_FS_POSIX_ACL */
|
|
|
|
extern xattr_handler_t *zpl_xattr_handlers[];
|
|
|
|
/* zpl_ctldir.c */
|
|
extern const struct file_operations zpl_fops_root;
|
|
extern const struct inode_operations zpl_ops_root;
|
|
|
|
extern const struct file_operations zpl_fops_snapdir;
|
|
extern const struct inode_operations zpl_ops_snapdir;
|
|
|
|
extern const struct file_operations zpl_fops_shares;
|
|
extern const struct inode_operations zpl_ops_shares;
|
|
|
|
#if defined(HAVE_VFS_ITERATE) || defined(HAVE_VFS_ITERATE_SHARED)
|
|
|
|
#define ZPL_DIR_CONTEXT_INIT(_dirent, _actor, _pos) { \
|
|
.actor = _actor, \
|
|
.pos = _pos, \
|
|
}
|
|
|
|
typedef struct dir_context zpl_dir_context_t;
|
|
|
|
#define zpl_dir_emit dir_emit
|
|
#define zpl_dir_emit_dot dir_emit_dot
|
|
#define zpl_dir_emit_dotdot dir_emit_dotdot
|
|
#define zpl_dir_emit_dots dir_emit_dots
|
|
|
|
#else
|
|
|
|
typedef struct zpl_dir_context {
|
|
void *dirent;
|
|
const filldir_t actor;
|
|
loff_t pos;
|
|
} zpl_dir_context_t;
|
|
|
|
#define ZPL_DIR_CONTEXT_INIT(_dirent, _actor, _pos) { \
|
|
.dirent = _dirent, \
|
|
.actor = _actor, \
|
|
.pos = _pos, \
|
|
}
|
|
|
|
static inline bool
|
|
zpl_dir_emit(zpl_dir_context_t *ctx, const char *name, int namelen,
|
|
uint64_t ino, unsigned type)
|
|
{
|
|
return (!ctx->actor(ctx->dirent, name, namelen, ctx->pos, ino, type));
|
|
}
|
|
|
|
static inline bool
|
|
zpl_dir_emit_dot(struct file *file, zpl_dir_context_t *ctx)
|
|
{
|
|
return (ctx->actor(ctx->dirent, ".", 1, ctx->pos,
|
|
file_inode(file)->i_ino, DT_DIR) == 0);
|
|
}
|
|
|
|
static inline bool
|
|
zpl_dir_emit_dotdot(struct file *file, zpl_dir_context_t *ctx)
|
|
{
|
|
return (ctx->actor(ctx->dirent, "..", 2, ctx->pos,
|
|
parent_ino(file_dentry(file)), DT_DIR) == 0);
|
|
}
|
|
|
|
static inline bool
|
|
zpl_dir_emit_dots(struct file *file, zpl_dir_context_t *ctx)
|
|
{
|
|
if (ctx->pos == 0) {
|
|
if (!zpl_dir_emit_dot(file, ctx))
|
|
return (false);
|
|
ctx->pos = 1;
|
|
}
|
|
if (ctx->pos == 1) {
|
|
if (!zpl_dir_emit_dotdot(file, ctx))
|
|
return (false);
|
|
ctx->pos = 2;
|
|
}
|
|
return (true);
|
|
}
|
|
#endif /* HAVE_VFS_ITERATE */
|
|
|
|
|
|
/* zpl_file_range.c */
|
|
|
|
/* handlers for file_operations of the same name */
|
|
extern ssize_t zpl_copy_file_range(struct file *src_file, loff_t src_off,
|
|
struct file *dst_file, loff_t dst_off, size_t len, unsigned int flags);
|
|
extern loff_t zpl_remap_file_range(struct file *src_file, loff_t src_off,
|
|
struct file *dst_file, loff_t dst_off, loff_t len, unsigned int flags);
|
|
extern int zpl_clone_file_range(struct file *src_file, loff_t src_off,
|
|
struct file *dst_file, loff_t dst_off, uint64_t len);
|
|
extern int zpl_dedupe_file_range(struct file *src_file, loff_t src_off,
|
|
struct file *dst_file, loff_t dst_off, uint64_t len);
|
|
|
|
/* compat for FICLONE/FICLONERANGE/FIDEDUPERANGE ioctls */
|
|
typedef struct {
|
|
int64_t fcr_src_fd;
|
|
uint64_t fcr_src_offset;
|
|
uint64_t fcr_src_length;
|
|
uint64_t fcr_dest_offset;
|
|
} zfs_ioc_compat_file_clone_range_t;
|
|
|
|
typedef struct {
|
|
int64_t fdri_dest_fd;
|
|
uint64_t fdri_dest_offset;
|
|
uint64_t fdri_bytes_deduped;
|
|
int32_t fdri_status;
|
|
uint32_t fdri_reserved;
|
|
} zfs_ioc_compat_dedupe_range_info_t;
|
|
|
|
typedef struct {
|
|
uint64_t fdr_src_offset;
|
|
uint64_t fdr_src_length;
|
|
uint16_t fdr_dest_count;
|
|
uint16_t fdr_reserved1;
|
|
uint32_t fdr_reserved2;
|
|
zfs_ioc_compat_dedupe_range_info_t fdr_info[];
|
|
} zfs_ioc_compat_dedupe_range_t;
|
|
|
|
#define ZFS_IOC_COMPAT_FICLONE _IOW(0x94, 9, int)
|
|
#define ZFS_IOC_COMPAT_FICLONERANGE \
|
|
_IOW(0x94, 13, zfs_ioc_compat_file_clone_range_t)
|
|
#define ZFS_IOC_COMPAT_FIDEDUPERANGE \
|
|
_IOWR(0x94, 54, zfs_ioc_compat_dedupe_range_t)
|
|
|
|
extern long zpl_ioctl_ficlone(struct file *filp, void *arg);
|
|
extern long zpl_ioctl_ficlonerange(struct file *filp, void *arg);
|
|
extern long zpl_ioctl_fideduperange(struct file *filp, void *arg);
|
|
|
|
|
|
#if defined(HAVE_INODE_TIMESTAMP_TRUNCATE)
|
|
#define zpl_inode_timestamp_truncate(ts, ip) timestamp_truncate(ts, ip)
|
|
#elif defined(HAVE_INODE_TIMESPEC64_TIMES)
|
|
#define zpl_inode_timestamp_truncate(ts, ip) \
|
|
timespec64_trunc(ts, (ip)->i_sb->s_time_gran)
|
|
#else
|
|
#define zpl_inode_timestamp_truncate(ts, ip) \
|
|
timespec_trunc(ts, (ip)->i_sb->s_time_gran)
|
|
#endif
|
|
|
|
#if defined(HAVE_INODE_OWNER_OR_CAPABLE)
|
|
#define zpl_inode_owner_or_capable(ns, ip) inode_owner_or_capable(ip)
|
|
#elif defined(HAVE_INODE_OWNER_OR_CAPABLE_USERNS)
|
|
#define zpl_inode_owner_or_capable(ns, ip) inode_owner_or_capable(ns, ip)
|
|
#elif defined(HAVE_INODE_OWNER_OR_CAPABLE_IDMAP)
|
|
#define zpl_inode_owner_or_capable(idmap, ip) inode_owner_or_capable(idmap, ip)
|
|
#else
|
|
#error "Unsupported kernel"
|
|
#endif
|
|
|
|
#if defined(HAVE_SETATTR_PREPARE_USERNS) || defined(HAVE_SETATTR_PREPARE_IDMAP)
|
|
#define zpl_setattr_prepare(ns, dentry, ia) setattr_prepare(ns, dentry, ia)
|
|
#else
|
|
/*
|
|
* Use kernel-provided version, or our own from
|
|
* linux/vfs_compat.h
|
|
*/
|
|
#define zpl_setattr_prepare(ns, dentry, ia) setattr_prepare(dentry, ia)
|
|
#endif
|
|
|
|
#ifdef HAVE_INODE_GET_CTIME
|
|
#define zpl_inode_get_ctime(ip) inode_get_ctime(ip)
|
|
#else
|
|
#define zpl_inode_get_ctime(ip) (ip->i_ctime)
|
|
#endif
|
|
#ifdef HAVE_INODE_SET_CTIME_TO_TS
|
|
#define zpl_inode_set_ctime_to_ts(ip, ts) inode_set_ctime_to_ts(ip, ts)
|
|
#else
|
|
#define zpl_inode_set_ctime_to_ts(ip, ts) (ip->i_ctime = ts)
|
|
#endif
|
|
#ifdef HAVE_INODE_GET_ATIME
|
|
#define zpl_inode_get_atime(ip) inode_get_atime(ip)
|
|
#else
|
|
#define zpl_inode_get_atime(ip) (ip->i_atime)
|
|
#endif
|
|
#ifdef HAVE_INODE_SET_ATIME_TO_TS
|
|
#define zpl_inode_set_atime_to_ts(ip, ts) inode_set_atime_to_ts(ip, ts)
|
|
#else
|
|
#define zpl_inode_set_atime_to_ts(ip, ts) (ip->i_atime = ts)
|
|
#endif
|
|
#ifdef HAVE_INODE_GET_MTIME
|
|
#define zpl_inode_get_mtime(ip) inode_get_mtime(ip)
|
|
#else
|
|
#define zpl_inode_get_mtime(ip) (ip->i_mtime)
|
|
#endif
|
|
#ifdef HAVE_INODE_SET_MTIME_TO_TS
|
|
#define zpl_inode_set_mtime_to_ts(ip, ts) inode_set_mtime_to_ts(ip, ts)
|
|
#else
|
|
#define zpl_inode_set_mtime_to_ts(ip, ts) (ip->i_mtime = ts)
|
|
#endif
|
|
|
|
#endif /* _SYS_ZPL_H */
|