* Update MAGIC constants, most of them are taken from
/usr/include/linux/magic.h, some were found by grepping Linux source.
* Add note about fstatfs(2) broken on fd from pipe(2) between
2.6.38 and 3.2
Signed-off-by: Cyril Hrubis <chrubis@xxxxxxx>
---
man2/statfs.2 | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/man2/statfs.2 b/man2/statfs.2
index 8888307..53cff11 100644
--- a/man2/statfs.2
+++ b/man2/statfs.2
@@ -72,20 +72,30 @@ Filesystem types:
ADFS_SUPER_MAGIC 0xadf5
AFFS_SUPER_MAGIC 0xADFF
+ BDEVFS_MAGIC 0x62646576
BEFS_SUPER_MAGIC 0x42465331
BFS_MAGIC 0x1BADFACE
+ BINFMTFS_MAGIC 0x42494e4d
+ BTRFS_SUPER_MAGIC 0x9123683E
+ CGROUP_SUPER_MAGIC 0x27e0eb
CIFS_MAGIC_NUMBER 0xFF534D42
CODA_SUPER_MAGIC 0x73757245
COH_SUPER_MAGIC 0x012FF7B7
CRAMFS_MAGIC 0x28cd3d45
+ DEBUGFS_MAGIC 0x64626720
DEVFS_SUPER_MAGIC 0x1373
+ DEVPTS_SUPER_MAGIC 0x1cd1
+ EFIVARFS_MAGIC 0xde5e81e4
EFS_SUPER_MAGIC 0x00414A53
EXT_SUPER_MAGIC 0x137D
EXT2_OLD_SUPER_MAGIC 0xEF51
EXT2_SUPER_MAGIC 0xEF53
EXT3_SUPER_MAGIC 0xEF53
EXT4_SUPER_MAGIC 0xEF53
+ FUSE_SUPER_MAGIC 0x65735546
+ FUTEXFS_SUPER_MAGIC 0xBAD1DEA
HFS_SUPER_MAGIC 0x4244
+ HOSTFS_SUPER_MAGIC 0x00c0ffee
HPFS_SUPER_MAGIC 0xF995E849
HUGETLBFS_MAGIC 0x958458f6
ISOFS_SUPER_MAGIC 0x9660
@@ -95,29 +105,47 @@ Filesystem types:
MINIX_SUPER_MAGIC2 0x138F /* 30 char minix */
MINIX2_SUPER_MAGIC 0x2468 /* minix V2 */
MINIX2_SUPER_MAGIC2 0x2478 /* minix V2, 30 char names */
+ MINIX3_SUPER_MAGIC 0x4d5a /* minix V3 fs, 60 char names */
+ MQUEUE_MAGIC 0x19800202
MSDOS_SUPER_MAGIC 0x4d44
NCP_SUPER_MAGIC 0x564c
NFS_SUPER_MAGIC 0x6969
+ NILFS_SUPER_MAGIC 0x3434
NTFS_SB_MAGIC 0x5346544e
OPENPROM_SUPER_MAGIC 0x9fa1
+ PIPEFS_MAGIC 0x50495045
PROC_SUPER_MAGIC 0x9fa0
+ PSTOREFS_MAGIC 0x6165676C
QNX4_SUPER_MAGIC 0x002f
+ QNX6_SUPER_MAGIC 0x68191122
+ RAMFS_MAGIC 0x858458f6
REISERFS_SUPER_MAGIC 0x52654973
ROMFS_MAGIC 0x7275
+ SELINUX_MAGIC 0xf97cff8c
+ SMACK_MAGIC 0x43415d53
SMB_SUPER_MAGIC 0x517B
+ SOCKFS_MAGIC 0x534F434B
+ SQUASHFS_MAGIC 0x73717368
+ SYSFS_MAGIC 0x62656572
SYSV2_SUPER_MAGIC 0x012FF7B6
SYSV4_SUPER_MAGIC 0x012FF7B5
TMPFS_MAGIC 0x01021994
UDF_SUPER_MAGIC 0x15013346
UFS_MAGIC 0x00011954
USBDEVICE_SUPER_MAGIC 0x9fa2
+ V9FS_MAGIC 0x01021997
VXFS_SUPER_MAGIC 0xa501FCF5
+ XENFS_SUPER_MAGIC 0xabba1974
XENIX_SUPER_MAGIC 0x012FF7B4
XFS_SUPER_MAGIC 0x58465342
_XIAFS_SUPER_MAGIC 0x012FD16D
.fi
.in
.PP
+Most of these MAGIC constants are defined in
+.I /usr/include/linux/magic.h
+some are hardcoded in kernel sources.
+.PP
Nobody knows what
.I f_fsid
is supposed to contain (but see below).
@@ -221,6 +249,13 @@ Some systems only have \fI<sys/vfs.h>\fP, other systems also have
So it seems
including the former is the best choice.
+Between Linux 2.6.38 and Linux 3.2
+.\" broken in commit ff0c7d15f9787b7e8c601533c015295cc68329f8
+.\" fixed in commit d70ef97baf048412c395bb5d65791d8fe133a52b
+.BR fstatfs ()
+returned ENOSYS for file descriptor created by
+.BR pipe (2) .
+
LSB has deprecated the library calls
.BR statfs ()
and
--
1.8.5.5
--
Cyril Hrubis
chrubis@xxxxxxx
--
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