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(parent: 98ae403) | patch
ovl: honor flag MS_SILENT at mount
authorKonstantin Khlebnikov <khlebnikov@yandex-team.ru>
Mon, 29 Jun 2015 17:18:56 +0000 (20:18 +0300)
committerMiklos Szeredi <miklos@szeredi.hu>
Mon, 21 Mar 2016 16:31:45 +0000 (17:31 +0100)
commit8d6f7c9c7e879a334891778cc3ae9b610ba925c0
treeae5fa02390d6da56108791ea3d210ab7695aa7c3tree | snapshot
parent98ae403521100a009398cc1665aba771dd1c2efbcommit | diff
ovl: honor flag MS_SILENT at mount

This patch hides error about missing lowerdir if MS_SILENT is set.

We use mount(NULL, "/", "overlay", MS_SILENT, NULL) for testing support of
overlayfs: syscall returns -ENODEV if it's not supported. Otherwise kernel
automatically loads module and returns -EINVAL because lowerdir is missing.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
fs/overlayfs/super.c diff | blob | history
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