filesystems.5: Mention sysfs(2)

* man5/filesystems.5 (.SH DESCRIPTION): Add a note that the
  information about available file systems can be obtained
  via sysfs() syscall.

Signed-off-by: Eugene Syromyatnikov <evgsyr@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Eugene Syromyatnikov 2019-02-22 17:26:23 +01:00 committed by Michael Kerrisk
parent 5dfd2983f7
commit 114c822e04
1 changed files with 11 additions and 0 deletions

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@ -42,10 +42,21 @@ see
for more details.
If you need a currently unsupported filesystem, insert the corresponding
module or recompile the kernel.
There is also a legacy
.BR sysfs (2)
system call (availability of which is controlled by the
.\" commit: 6af9f7bf3c399e0ab1eee048e13572c6d4e15fe9
.B CONFIG_SYSFS_SYSCALL
kernel build configuration option since Linux 3.15)
that enables enumeration of currently available filesystem types regardless of
.I /proc
availability and/or sanity.
.PP
In order to use a filesystem, you have to
.I mount
it; see
.BR mount (2)
and
.BR mount (8).
.PP
Below a short description of the available or historically available