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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/quota-util.c | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 247.3.upstream/247.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/basic/quota-util.c')
-rw-r--r-- | src/basic/quota-util.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/basic/quota-util.c b/src/basic/quota-util.c new file mode 100644 index 0000000..fbf8ee5 --- /dev/null +++ b/src/basic/quota-util.c @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <sys/quota.h> + +#include "alloc-util.h" +#include "blockdev-util.h" +#include "quota-util.h" +#include "stat-util.h" + +int quotactl_devno(int cmd, dev_t devno, int id, void *addr) { + _cleanup_free_ char *devnode = NULL; + int r; + + /* Like quotactl() but takes a dev_t instead of a path to a device node, and fixes caddr_t → void*, + * like we should, today */ + + r = device_path_make_major_minor(S_IFBLK, devno, &devnode); + if (r < 0) + return r; + + if (quotactl(cmd, devnode, id, addr) < 0) + return -errno; + + return 0; +} + +int quotactl_path(int cmd, const char *path, int id, void *addr) { + dev_t devno; + int r; + + /* Like quotactl() but takes a path to some fs object, and changes the backing file system. I.e. the + * argument shouldn't be a block device but a regular file system object */ + + r = get_block_device(path, &devno); + if (r < 0) + return r; + if (devno == 0) /* Doesn't have a block device */ + return -ENODEV; + + return quotactl_devno(cmd, devno, id, addr); +} |