Heinrich Schuchardt 63565e1cbf efivarfs: fix statfs() on efivarfs ... [ Upstream commit 79b83606ab ] Some firmware (notably U-Boot) provides GetVariable() and GetNextVariableName() but not QueryVariableInfo(). With commit d86ff3333c ("efivarfs: expose used and total size") the statfs syscall was broken for such firmware. If QueryVariableInfo() does not exist or returns EFI_UNSUPPORTED, just report the file system size as 0 as statfs_simple() previously did. Fixes: d86ff3333c ("efivarfs: expose used and total size") Link: https://lore.kernel.org/all/20230910045445.41632-1-heinrich.schuchardt@canonical.com/ Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> [ardb: log warning on QueryVariableInfo() failure] Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2023-09-23 11:14:32 +02:00
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Kconfig	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
Makefile	efi: vars: Move efivar caching layer into efivarfs	2022-06-24 20:40:19 +02:00
file.c	efivars: convert to fileattr	2021-04-12 15:04:29 +02:00
inode.c	fs: port ->fileattr_set() to pass mnt_idmap	2023-01-19 09:24:27 +01:00
internal.h	efi: vars: Move efivar caching layer into efivarfs	2022-06-24 20:40:19 +02:00
super.c	efivarfs: fix statfs() on efivarfs	2023-09-23 11:14:32 +02:00
vars.c	efi: efivars: Fix variable writes without query_variable_store()	2022-10-21 11:09:40 +02:00