fstatat() AT_NO_AUTOMOUNT man page documentation

From: Michael Kerrisk <hidden>
Date: 2011-09-19 05:56:34
Also in: autofs, linux-fsdevel
Subsystem: the rest · Maintainer: Linus Torvalds

Hi David,

I've written the following patch for AT__NO_AUTOMOUNT, which you added
to the kernel a while back. Could you please review and ACK/NAK?

Thanks,

Michael

diff --git a/man2/fstatat.2 b/man2/fstatat.2
index 2868bfb..c0d97dd 100644
--- a/man2/fstatat.2
+++ b/man2/fstatat.2
@@ -91,7 +89,16 @@ is absolute, then
 is ignored.

 .I flags
-can either be 0, or include the following flag:
+can either be 0, or include one or more of the following flags ORed:
+.TP
+.BR AT_NO_AUTOMOUNT " (since Linux 2.6.38)"
+Don't automount the terminal ("basename") component of
+.I pathname
+if it is a directory that is an automount point.
+This allows the caller to gather attributes of an automount point
+(rather than the location it would mount).
+This flag can be used in tools that scan directories
+to prevent mass-automounting of a directory of automount points.
 .TP
 .B AT_SYMLINK_NOFOLLOW
 If
-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Author of "The Linux Programming Interface"; http://man7.org/tlpi/
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