Systemd/src/basic/chattr-util.h

40 lines
1.6 KiB
C

/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
#include <linux/fs.h>
#include "missing_fs.h"
/* The chattr() flags to apply when creating a new file *before* writing to it. In particular, flags such as
* FS_NOCOW_FL don't work if applied a-posteriori. All other flags are fine (or even necessary, think
* FS_IMMUTABLE_FL!) to apply after writing to the files. */
#define CHATTR_EARLY_FL \
(FS_NOATIME_FL | \
FS_COMPR_FL | \
FS_NOCOW_FL | \
FS_NOCOMP_FL | \
FS_PROJINHERIT_FL)
#define CHATTR_ALL_FL \
(FS_NOATIME_FL | \
FS_SYNC_FL | \
FS_DIRSYNC_FL | \
FS_APPEND_FL | \
FS_COMPR_FL | \
FS_NODUMP_FL | \
FS_EXTENT_FL | \
FS_IMMUTABLE_FL | \
FS_JOURNAL_DATA_FL | \
FS_SECRM_FL | \
FS_UNRM_FL | \
FS_NOTAIL_FL | \
FS_TOPDIR_FL | \
FS_NOCOW_FL | \
FS_PROJINHERIT_FL)
int chattr_fd(int fd, unsigned value, unsigned mask, unsigned *previous);
int chattr_path(const char *p, unsigned value, unsigned mask, unsigned *previous);
int read_attr_fd(int fd, unsigned *ret);
int read_attr_path(const char *p, unsigned *ret);