mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-10-31 22:34:33 +01:00
Kent Overstreet
2a82bb0294
Add a new statx field for (sub)volume identifiers, as implemented by btrfs and bcachefs. This includes bcachefs support; we'll definitely want btrfs support as well. Link: https://lore.kernel.org/linux-fsdevel/2uvhm6gweyl7iyyp2xpfryvcu2g3padagaeqcbiavjyiis6prl@yjm725bizncq/ Signed-off-by: Kent Overstreet <[email protected]> Cc: Josef Bacik <[email protected]> Cc: Miklos Szeredi <[email protected]> Cc: Christian Brauner <[email protected]> Cc: David Howells <[email protected]> Signed-off-by: Kent Overstreet <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Johannes Thumshirn <[email protected]> Signed-off-by: Christian Brauner <[email protected]>
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _LINUX_STAT_H
|
|
#define _LINUX_STAT_H
|
|
|
|
|
|
#include <asm/stat.h>
|
|
#include <uapi/linux/stat.h>
|
|
|
|
#define S_IRWXUGO (S_IRWXU|S_IRWXG|S_IRWXO)
|
|
#define S_IALLUGO (S_ISUID|S_ISGID|S_ISVTX|S_IRWXUGO)
|
|
#define S_IRUGO (S_IRUSR|S_IRGRP|S_IROTH)
|
|
#define S_IWUGO (S_IWUSR|S_IWGRP|S_IWOTH)
|
|
#define S_IXUGO (S_IXUSR|S_IXGRP|S_IXOTH)
|
|
|
|
#define UTIME_NOW ((1l << 30) - 1l)
|
|
#define UTIME_OMIT ((1l << 30) - 2l)
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/time.h>
|
|
#include <linux/uidgid.h>
|
|
|
|
struct kstat {
|
|
u32 result_mask; /* What fields the user got */
|
|
umode_t mode;
|
|
unsigned int nlink;
|
|
uint32_t blksize; /* Preferred I/O size */
|
|
u64 attributes;
|
|
u64 attributes_mask;
|
|
#define KSTAT_ATTR_FS_IOC_FLAGS \
|
|
(STATX_ATTR_COMPRESSED | \
|
|
STATX_ATTR_IMMUTABLE | \
|
|
STATX_ATTR_APPEND | \
|
|
STATX_ATTR_NODUMP | \
|
|
STATX_ATTR_ENCRYPTED | \
|
|
STATX_ATTR_VERITY \
|
|
)/* Attrs corresponding to FS_*_FL flags */
|
|
#define KSTAT_ATTR_VFS_FLAGS \
|
|
(STATX_ATTR_IMMUTABLE | \
|
|
STATX_ATTR_APPEND \
|
|
) /* Attrs corresponding to S_* flags that are enforced by the VFS */
|
|
u64 ino;
|
|
dev_t dev;
|
|
dev_t rdev;
|
|
kuid_t uid;
|
|
kgid_t gid;
|
|
loff_t size;
|
|
struct timespec64 atime;
|
|
struct timespec64 mtime;
|
|
struct timespec64 ctime;
|
|
struct timespec64 btime; /* File creation time */
|
|
u64 blocks;
|
|
u64 mnt_id;
|
|
u32 dio_mem_align;
|
|
u32 dio_offset_align;
|
|
u64 change_cookie;
|
|
u64 subvol;
|
|
};
|
|
|
|
/* These definitions are internal to the kernel for now. Mainly used by nfsd. */
|
|
|
|
/* mask values */
|
|
#define STATX_CHANGE_COOKIE 0x40000000U /* Want/got stx_change_attr */
|
|
|
|
/* file attribute values */
|
|
#define STATX_ATTR_CHANGE_MONOTONIC 0x8000000000000000ULL /* version monotonically increases */
|
|
|
|
#endif
|