On Tue, Jan 10, 2017 at 01:54:17PM +0100, Stanislav Brabec wrote:
> Commit f9906424 introduced a check that should prevent different information in
> mtab and /proc/mounts. The check can require significant amount of time, and for
> systems without mtab support it has no sense.
>
> Execute this code only on systems with mtab.
>
> When a systems with large number of nodes (thousands) mount the filesystems
> simultaneously, the time required for serialization causes the utimensat() to
> take a large amount of time (tens of minutes) when a large number of nodes are
> simultaneously updating the timestamp.
>
> Signed-off-by: Stanislav Brabec <sbrabec@xxxxxxx>
> ---
> libmount/src/context_mount.c | 2 ++
> 1 file changed, 2 insertions(+)
Ah, nice catch! Applied, thanks.
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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