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fs: Add invalidate_folio() aops method

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This is used in preference to invalidatepage, if defined.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: Mike Marshall <hubcap@omnibond.com> # orangefs
Tested-by: David Howells <dhowells@redhat.com> # afs
This commit is contained in:
Matthew Wilcox (Oracle)
2022-02-09 20:21:32 +00:00
parent 020df9baea
commit 128d1f8241
4 changed files with 21 additions and 12 deletions
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include/linux/fs.h
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@@ -387,6 +387,7 @@ struct address_space_operations {
/* Unfortunately this kludge is needed for FIBMAP. Don't use it */
sector_t (*bmap)(struct address_space *, sector_t);
void (*invalidate_folio) (struct folio *, size_t offset, size_t len);
void (*invalidatepage) (struct page *, unsigned int, unsigned int);
int (*releasepage) (struct page *, gfp_t);
void (*freepage)(struct page *);