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OvmfPkg/VirtioFsDxe: add helper for determining file mode bits update

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Add the VirtioFsGetFuseModeUpdate() function, for determining whether an
EFI_FILE_PROTOCOL.SetInfo() invocation requests an update to the file mode
bits.

Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Philippe Mathieu-Daudé <philmd@redhat.com>
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3097
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20201216211125.19496-48-lersek@redhat.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
This commit is contained in:
Laszlo Ersek
2020-12-16 22:11:24 +01:00
committed by mergify[bot]
parent 3cbd54b92f
commit 13a506d4f5
3 changed files with 106 additions and 0 deletions
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8
OvmfPkg/VirtioFsDxe/VirtioFsDxe.h
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@@ -300,6 +300,14 @@ VirtioFsGetFuseTimeUpdates (
OUT UINT64 *Mtime
);
EFI_STATUS
VirtioFsGetFuseModeUpdate (
IN EFI_FILE_INFO *Info,
IN EFI_FILE_INFO *NewInfo,
OUT BOOLEAN *Update,
OUT UINT32 *Mode
);
//
// Wrapper functions for FUSE commands (primitives).
//