[PATCH v2 04/28] fs: Rename AS_THP_SUPPORT and mapping_thp_support

From: Matthew Wilcox (Oracle)
Date: Sun Nov 07 2021 - 23:21:22 EST


These are now indicators of multi-page folio support, not THP support.

Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
include/linux/pagemap.h | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 471f0c422831..2ad10e1fd224 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -34,7 +34,7 @@ enum mapping_flags {
AS_EXITING = 4, /* final truncate in progress */
/* writeback related tags are not used */
AS_NO_WRITEBACK_TAGS = 5,
- AS_THP_SUPPORT = 6, /* THPs supported */
+ AS_LARGE_FOLIO_SUPPORT = 6,
};

/**
@@ -139,12 +139,12 @@ static inline void mapping_set_gfp_mask(struct address_space *m, gfp_t mask)
*/
static inline void mapping_set_large_folios(struct address_space *mapping)
{
- __set_bit(AS_THP_SUPPORT, &mapping->flags);
+ __set_bit(AS_LARGE_FOLIO_SUPPORT, &mapping->flags);
}

-static inline bool mapping_thp_support(struct address_space *mapping)
+static inline bool mapping_large_folio_support(struct address_space *mapping)
{
- return test_bit(AS_THP_SUPPORT, &mapping->flags);
+ return test_bit(AS_LARGE_FOLIO_SUPPORT, &mapping->flags);
}

static inline int filemap_nr_thps(struct address_space *mapping)
@@ -159,7 +159,7 @@ static inline int filemap_nr_thps(struct address_space *mapping)
static inline void filemap_nr_thps_inc(struct address_space *mapping)
{
#ifdef CONFIG_READ_ONLY_THP_FOR_FS
- if (!mapping_thp_support(mapping))
+ if (!mapping_large_folio_support(mapping))
atomic_inc(&mapping->nr_thps);
#else
WARN_ON_ONCE(1);
@@ -169,7 +169,7 @@ static inline void filemap_nr_thps_inc(struct address_space *mapping)
static inline void filemap_nr_thps_dec(struct address_space *mapping)
{
#ifdef CONFIG_READ_ONLY_THP_FOR_FS
- if (!mapping_thp_support(mapping))
+ if (!mapping_large_folio_support(mapping))
atomic_dec(&mapping->nr_thps);
#else
WARN_ON_ONCE(1);
--
2.33.0