mirror of
https://github.com/prometheus/prometheus.git
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0d9776a3a4
Taken from `/usr/include/linux/magic.h` with linux-api-headers v6.19. Includes newer popular filesystems like btrfs. Also see #18471. Signed-off-by: Justin Kromlinger <hashworks@archlinux.org>
152 lines
4.9 KiB
Go
152 lines
4.9 KiB
Go
// Copyright The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build !windows && !openbsd && !netbsd && !solaris && !386
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package runtime
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import (
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"strconv"
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"syscall"
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)
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func FsType(path string) string {
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// Types of file systems that may be returned by `statfs`.
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// See https://github.com/torvalds/linux/blob/master/include/uapi/linux/magic.h
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fsTypes := map[int64]string{
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0xadf5: "ADFS_SUPER_MAGIC",
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0xadff: "AFFS_SUPER_MAGIC",
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0x5346414F: "AFS_SUPER_MAGIC",
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0x0187: "AUTOFS_SUPER_MAGIC",
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0x00c36400: "CEPH_SUPER_MAGIC",
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0x73757245: "CODA_SUPER_MAGIC",
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0x28cd3d45: "CRAMFS_MAGIC",
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0x453dcd28: "CRAMFS_MAGIC_WEND",
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0x64626720: "DEBUGFS_MAGIC",
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0x73636673: "SECURITYFS_MAGIC",
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0xf97cff8c: "SELINUX_MAGIC",
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0x43415d53: "SMACK_MAGIC",
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0x858458f6: "RAMFS_MAGIC",
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0x01021994: "TMPFS_MAGIC",
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0x958458f6: "HUGETLBFS_MAGIC",
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0x73717368: "SQUASHFS_MAGIC",
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0xf15f: "ECRYPTFS_SUPER_MAGIC",
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0x414A53: "EFS_SUPER_MAGIC",
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0xE0F5E1E2: "EROFS_SUPER_MAGIC_V1",
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0xabba1974: "XENFS_SUPER_MAGIC",
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0xEF53: "EXT4_SUPER_MAGIC", /* May also be EXT2_SUPER_MAGIC or EXT3_SUPER_MAGIC. */
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0x9123683E: "BTRFS_SUPER_MAGIC",
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0x3434: "NILFS_SUPER_MAGIC",
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0xF2F52010: "F2FS_SUPER_MAGIC",
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0xf995e849: "HPFS_SUPER_MAGIC",
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0x9660: "ISOFS_SUPER_MAGIC",
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0x72b6: "JFFS2_SUPER_MAGIC",
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0x58465342: "XFS_SUPER_MAGIC",
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0x6165676C: "PSTOREFS_MAGIC",
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0xde5e81e4: "EFIVARFS_MAGIC",
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0x00c0ffee: "HOSTFS_SUPER_MAGIC",
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0x794c7630: "OVERLAYFS_SUPER_MAGIC",
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0x65735546: "FUSE_SUPER_MAGIC",
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0xca451a4e: "BCACHEFS_SUPER_MAGIC",
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0x137F: "MINIX_SUPER_MAGIC",
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0x138F: "MINIX_SUPER_MAGIC2",
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0x2468: "MINIX2_SUPER_MAGIC",
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0x2478: "MINIX2_SUPER_MAGIC2",
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0x4d5a: "MINIX3_SUPER_MAGIC",
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0x4d44: "MSDOS_SUPER_MAGIC",
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0x2011BAB0: "EXFAT_SUPER_MAGIC",
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0x564c: "NCP_SUPER_MAGIC",
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0x6969: "NFS_SUPER_MAGIC",
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0x7461636f: "OCFS2_SUPER_MAGIC",
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0x9fa1: "OPENPROM_SUPER_MAGIC",
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0x002f: "QNX4_SUPER_MAGIC",
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0x68191122: "QNX6_SUPER_MAGIC",
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0x6B414653: "AFS_FS_MAGIC",
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0x52654973: "REISERFS_SUPER_MAGIC",
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0x517B: "SMB_SUPER_MAGIC",
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0xFF534D42: "CIFS_SUPER_MAGIC",
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0xFE534D42: "SMB2_SUPER_MAGIC",
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0x27e0eb: "CGROUP_SUPER_MAGIC",
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0x63677270: "CGROUP2_SUPER_MAGIC",
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0x7655821: "RDTGROUP_SUPER_MAGIC",
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0x57AC6E9D: "STACK_END_MAGIC",
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0x74726163: "TRACEFS_MAGIC",
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0x01021997: "V9FS_MAGIC",
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0x62646576: "BDEVFS_MAGIC",
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0x64646178: "DAXFS_MAGIC",
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0x42494e4d: "BINFMTFS_MAGIC",
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0x1cd1: "DEVPTS_SUPER_MAGIC",
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0x6c6f6f70: "BINDERFS_SUPER_MAGIC",
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0xBAD1DEA: "FUTEXFS_SUPER_MAGIC",
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0x50495045: "PIPEFS_MAGIC",
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0x9fa0: "PROC_SUPER_MAGIC",
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0x534F434B: "SOCKFS_MAGIC",
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0x62656572: "SYSFS_MAGIC",
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0x9fa2: "USBDEVICE_SUPER_MAGIC",
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0x11307854: "MTD_INODE_FS_MAGIC",
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0x09041934: "ANON_INODE_FS_MAGIC",
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0x73727279: "BTRFS_TEST_MAGIC",
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0x6e736673: "NSFS_MAGIC",
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0xcafe4a11: "BPF_FS_MAGIC",
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0x5a3c69f0: "AAFS_MAGIC",
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0x5a4f4653: "ZONEFS_MAGIC",
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0x15013346: "UDF_SUPER_MAGIC",
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0x444d4142: "DMA_BUF_MAGIC",
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0x454d444d: "DEVMEM_MAGIC",
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0x5345434d: "SECRETMEM_MAGIC",
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0x50494446: "PID_FS_MAGIC",
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0x474d454d: "GUEST_MEMFD_MAGIC",
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0x4E554C4C: "NULL_FS_MAGIC",
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/* The following mappings are not listed in `magic.h`. */
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0x42465331: "BEFS_SUPER_MAGIC",
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0x1BADFACE: "BFS_MAGIC",
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0x012FF7B7: "COH_SUPER_MAGIC",
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0x1373: "DEVFS_SUPER_MAGIC",
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0x137D: "EXT_SUPER_MAGIC",
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0xEF51: "EXT2_OLD_SUPER_MAGIC",
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0x4244: "HFS_SUPER_MAGIC",
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0x3153464a: "JFS_SUPER_MAGIC",
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0x5346544e: "NTFS_SB_MAGIC",
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0x7275: "ROMFS_MAGIC",
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0x012FF7B6: "SYSV2_SUPER_MAGIC",
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0x012FF7B5: "SYSV4_SUPER_MAGIC",
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0x00011954: "UFS_MAGIC",
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0xa501FCF5: "VXFS_SUPER_MAGIC",
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0x012FF7B4: "XENIX_SUPER_MAGIC",
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0x012FD16D: "_XIAFS_SUPER_MAGIC",
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}
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var fs syscall.Statfs_t
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err := syscall.Statfs(path, &fs)
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// nolintlint might cry out depending on the architecture (e.g. ARM64), so ignore it.
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//nolint:unconvert,nolintlint // This ensures Type format on all Platforms.
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localType := int64(fs.Type)
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if err != nil {
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return strconv.FormatInt(localType, 16)
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}
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if fsType, ok := fsTypes[localType]; ok {
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return fsType
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}
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return strconv.FormatInt(localType, 16)
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}
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func FsSize(path string) uint64 {
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var fs syscall.Statfs_t
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err := syscall.Statfs(path, &fs)
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if err != nil {
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return 0
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}
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//nolint:unconvert // Blocks is int64 on some operating systems (e.g. dragonfly).
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return uint64(fs.Bsize) * uint64(fs.Blocks)
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}
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