summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
authorMatthew Wilcox (Oracle) <willy@infradead.org>2021-08-29 06:07:03 -0400
committerMatthew Wilcox (Oracle) <willy@infradead.org>2021-11-17 10:36:35 -0500
commitff36da69bc90d80b0c73f47f4b2e270b3ff6da99 (patch)
tree5f8f51f313a1ffc22575b5d5c5eb76219e77f3cb /include
parenta1efe484dd8c04c4c2d4eb1ee6b04d01cfc07ccc (diff)
fs: Remove FS_THP_SUPPORT
Instead of setting a bit in the fs_flags to set a bit in the address_space, set the bit in the address_space directly. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/fs.h1
-rw-r--r--include/linux/pagemap.h16
2 files changed, 16 insertions, 1 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 1cb616fc1105..bbf812ce89a8 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2518,7 +2518,6 @@ struct file_system_type {
#define FS_USERNS_MOUNT 8 /* Can be mounted by userns root */
#define FS_DISALLOW_NOTIFY_PERM 16 /* Disable fanotify permission events */
#define FS_ALLOW_IDMAP 32 /* FS has been updated to handle vfs idmappings. */
-#define FS_THP_SUPPORT 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;
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 1a0c646eb6ff..9e33878bf23b 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -176,6 +176,22 @@ static inline void mapping_set_gfp_mask(struct address_space *m, gfp_t mask)
m->gfp_mask = mask;
}
+/**
+ * mapping_set_large_folios() - Indicate the file supports large folios.
+ * @mapping: The file.
+ *
+ * The filesystem should call this function in its inode constructor to
+ * indicate that the VFS can use large folios to cache the contents of
+ * the file.
+ *
+ * Context: This should not be called while the inode is active as it
+ * is non-atomic.
+ */
+static inline void mapping_set_large_folios(struct address_space *mapping)
+{
+ __set_bit(AS_THP_SUPPORT, &mapping->flags);
+}
+
static inline bool mapping_thp_support(struct address_space *mapping)
{
return test_bit(AS_THP_SUPPORT, &mapping->flags);