From: Dominik Csapak <d.csapak@proxmox.com>
To: pbs-devel@lists.proxmox.com
Subject: [pbs-devel] [PATCH proxmox v4 2/4] proxmox-sys: add FileSystemInformation struct and helper
Date: Mon, 17 Jan 2022 11:48:17 +0100 [thread overview]
Message-ID: <20220117104825.2409598-3-d.csapak@proxmox.com> (raw)
In-Reply-To: <20220117104825.2409598-1-d.csapak@proxmox.com>
code mostly copied from proxmox-backups 'disk_usage'
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
proxmox-sys/src/fs/mod.rs | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/proxmox-sys/src/fs/mod.rs b/proxmox-sys/src/fs/mod.rs
index 9fe333b..ee4ef42 100644
--- a/proxmox-sys/src/fs/mod.rs
+++ b/proxmox-sys/src/fs/mod.rs
@@ -102,3 +102,40 @@ impl CreateOptions {
*/
}
+/// Information about a mounted file system from statfs64 syscall
+pub struct FileSystemInformation {
+ /// total bytes available
+ pub total: u64,
+ /// bytes used
+ pub used: u64,
+ /// bytes available to an unprivileged user
+ pub available: u64,
+ /// total number of inodes
+ pub total_inodes: u64,
+ /// free number of inodes
+ pub free_inodes: u64,
+ /// the type of the filesystem (see statfs64(2))
+ pub fs_type: i64,
+ /// the filesystem id
+ pub fs_id: libc::fsid_t,
+}
+
+/// Get file system information from path
+pub fn fs_info<P: ?Sized + nix::NixPath>(path: &P) -> nix::Result<FileSystemInformation> {
+ let mut stat: libc::statfs64 = unsafe { std::mem::zeroed() };
+
+ let res = path.with_nix_path(|cstr| unsafe { libc::statfs64(cstr.as_ptr(), &mut stat) })?;
+ nix::errno::Errno::result(res)?;
+
+ let bsize = stat.f_bsize as u64;
+
+ Ok(FileSystemInformation {
+ total: stat.f_blocks * bsize,
+ used: (stat.f_blocks - stat.f_bfree) * bsize,
+ available: stat.f_bavail * bsize,
+ total_inodes: stat.f_files,
+ free_inodes: stat.f_ffree,
+ fs_type: stat.f_type,
+ fs_id: stat.f_fsid,
+ })
+}
--
2.30.2
next prev parent reply other threads:[~2022-01-17 10:48 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-17 10:48 [pbs-devel] [PATCH proxmox/proxmox-backup v4] add metrics server capability Dominik Csapak
2022-01-17 10:48 ` [pbs-devel] [PATCH proxmox v4 1/4] proxmox-sys: make some structs serializable Dominik Csapak
2022-02-01 11:39 ` [pbs-devel] applied: " Thomas Lamprecht
2022-01-17 10:48 ` Dominik Csapak [this message]
2022-02-01 11:40 ` [pbs-devel] applied: [PATCH proxmox v4 2/4] proxmox-sys: add FileSystemInformation struct and helper Thomas Lamprecht
2022-01-17 10:48 ` [pbs-devel] [PATCH proxmox v4 3/4] proxmox-async: add connect_to_udp helper Dominik Csapak
2022-02-01 12:02 ` Thomas Lamprecht
2022-02-01 12:13 ` Dominik Csapak
2022-02-01 12:39 ` Thomas Lamprecht
2022-02-01 13:17 ` Wolfgang Bumiller
2022-01-17 10:48 ` [pbs-devel] [PATCH proxmox v4 4/4] proxmox-metrics: implement metrics server client code Dominik Csapak
2022-01-17 10:48 ` [pbs-devel] [PATCH proxmox-backup v4 1/6] use 'fs_info' from proxmox-sys Dominik Csapak
2022-01-17 10:48 ` [pbs-devel] [PATCH proxmox-backup v4 2/6] pbs-api-types: add metrics api types Dominik Csapak
2022-02-01 9:55 ` Matthias Heiserer
2022-02-01 10:11 ` Dominik Csapak
2022-01-17 10:48 ` [pbs-devel] [PATCH proxmox-backup v4 3/6] pbs-config: add metrics config class Dominik Csapak
2022-01-17 10:48 ` [pbs-devel] [PATCH proxmox-backup v4 4/6] backup-proxy: decouple stats gathering from rrd update Dominik Csapak
2022-01-17 10:48 ` [pbs-devel] [PATCH proxmox-backup v4 5/6] proxmox-backup-proxy: send metrics to configured metrics server Dominik Csapak
2022-01-17 10:48 ` [pbs-devel] [PATCH proxmox-backup v4 6/6] api: add metricserver endpoints Dominik Csapak
2022-02-01 11:01 ` [pbs-devel] [PATCH proxmox/proxmox-backup v4] add metrics server capability Matthias Heiserer
2022-02-01 11:39 ` Thomas Lamprecht
2022-02-01 13:22 ` Matthias Heiserer
2022-02-01 13:26 ` Thomas Lamprecht
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