@@ -180,8 +180,8 @@ int inode_init_always(struct super_block *sb, struct inode *inode)
mapping->a_ops = &empty_aops;
mapping->host = inode;
mapping->flags = 0;
- if (sb->s_type->fs_flags & FS_THP_SUPPORT)
- __set_bit(AS_THP_SUPPORT, &mapping->flags);
+ if (sb->s_type->fs_flags & FS_MULTI_PAGE_FOLIOS)
+ __set_bit(AS_MULTI_PAGE_FOLIOS, &mapping->flags);
mapping->wb_err = 0;
atomic_set(&mapping->i_mmap_writable, 0);
#ifdef CONFIG_READ_ONLY_THP_FOR_FS
@@ -2231,7 +2231,7 @@ struct file_system_type {
#define FS_HAS_SUBTYPE 4
#define FS_USERNS_MOUNT 8 /* Can be mounted by userns root */
#define FS_DISALLOW_NOTIFY_PERM 16 /* Disable fanotify permission events */
-#define FS_THP_SUPPORT 8192 /* Remove once all fs converted */
+#define FS_MULTI_PAGE_FOLIOS 8192 /* Remove once all fs converted */
#define FS_RENAME_DOES_D_MOVE 32768 /* FS will handle d_move() during rename() internally. */
int (*init_fs_context)(struct fs_context *);
const struct fs_parameter_spec *parameters;
@@ -29,7 +29,7 @@ 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_MULTI_PAGE_FOLIOS = 6,
};
/**
@@ -121,9 +121,9 @@ static inline void mapping_set_gfp_mask(struct address_space *m, gfp_t mask)
m->gfp_mask = mask;
}
-static inline bool mapping_thp_support(struct address_space *mapping)
+static inline bool mapping_multi_page_folios(struct address_space *mapping)
{
- return test_bit(AS_THP_SUPPORT, &mapping->flags);
+ return test_bit(AS_MULTI_PAGE_FOLIOS, &mapping->flags);
}
static inline int filemap_nr_thps(struct address_space *mapping)
@@ -138,20 +138,20 @@ 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_multi_page_folios(mapping))
atomic_inc(&mapping->nr_thps);
#else
- WARN_ON_ONCE(1);
+ WARN_ON_ONCE(!mapping_multi_page_folios(mapping));
#endif
}
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_multi_page_folios(mapping))
atomic_dec(&mapping->nr_thps);
#else
- WARN_ON_ONCE(1);
+ WARN_ON_ONCE(!mapping_multi_page_folios(mapping));
#endif
}
@@ -3910,7 +3910,7 @@ static struct file_system_type shmem_fs_type = {
.parameters = shmem_fs_parameters,
#endif
.kill_sb = kill_litter_super,
- .fs_flags = FS_USERNS_MOUNT | FS_THP_SUPPORT,
+ .fs_flags = FS_USERNS_MOUNT | FS_MULTI_PAGE_FOLIOS,
};
int __init shmem_init(void)
Using THPs was confusing everyone. Switch to the new name of folios. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- fs/inode.c | 4 ++-- include/linux/fs.h | 2 +- include/linux/pagemap.h | 14 +++++++------- mm/shmem.c | 2 +- 4 files changed, 11 insertions(+), 11 deletions(-)