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Kernel+LibC: Implement a few mount flags

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We now support these mount flags:
* MS_NODEV: disallow opening any devices from this file system
* MS_NOEXEC: disallow executing any executables from this file system
* MS_NOSUID: ignore set-user-id bits on executables from this file system

The fourth flag, MS_BIND, is defined, but currently ignored.
This commit is contained in:
Sergey Bugaev 2020-01-11 18:45:38 +03:00 • committed by Andreas Kling
parent 2fcbb846fb
commit 61c1106d9f
4 changed files with 19 additions and 5 deletions
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5
Kernel/FileSystem/VirtualFileSystem.h
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@ -28,6 +28,11 @@
#define O_DIRECT 04000000
#define O_NOFOLLOW_NOERROR 0x4000000
#define MS_NODEV 1
#define MS_NOEXEC 2
#define MS_NOSUID 4
#define MS_BIND 8
class Custody;
class Device;
class FileDescription;