cacheflush.h: Add forward declaration for struct folio

The struct folio is not declared in cacheflush.h so we need to provide
a forward declaration as otherwise users of this header file may get
warnings.

Reported-by: Guenter Roeck <linux@roeck-us.net>
Fixes: 522a0032af ("Add linux/cacheflush.h")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Herbert Xu 2022-03-23 15:35:10 +12:00 committed by Linus Torvalds
parent 6b1f86f8e9
commit 30d024b505
1 changed files with 2 additions and 0 deletions

View File

@ -4,6 +4,8 @@
#include <asm/cacheflush.h> #include <asm/cacheflush.h>
struct folio;
#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE #if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
#ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO #ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO
void flush_dcache_folio(struct folio *folio); void flush_dcache_folio(struct folio *folio);