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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 13:00:47 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 13:00:47 +0000 |
commit | 2cb7e0aaedad73b076ea18c6900b0e86c5760d79 (patch) | |
tree | da68ca54bb79f4080079bf0828acda937593a4e1 /src/basic/chattr-util.h | |
parent | Initial commit. (diff) | |
download | systemd-2cb7e0aaedad73b076ea18c6900b0e86c5760d79.tar.xz systemd-2cb7e0aaedad73b076ea18c6900b0e86c5760d79.zip |
Adding upstream version 247.3.upstream/247.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/basic/chattr-util.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/basic/chattr-util.h b/src/basic/chattr-util.h new file mode 100644 index 0000000..2fcdb64 --- /dev/null +++ b/src/basic/chattr-util.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#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); |