The patch titled
Subject: mm: make mapping_get_entry available outside of filemap.c
has been added to the -mm mm-unstable branch. Its filename is
mm-make-mapping_get_entry-available-outside-of-filemapc.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-make-mapping_get_entry-available-outside-of-filemapc.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Christoph Hellwig <hch@xxxxxx>
Subject: mm: make mapping_get_entry available outside of filemap.c
Date: Tue, 7 Mar 2023 15:34:05 +0100
mapping_get_entry is useful for page cache API users that need to know
about xa_value internals. Rename it and make it available in pagemap.h.
Link: https://lkml.kernel.org/r/20230307143410.28031-3-hch@xxxxxx
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Andreas Gruenbacher <agruenba@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/pagemap.h | 1 +
mm/filemap.c | 6 +++---
2 files changed, 4 insertions(+), 3 deletions(-)
--- a/include/linux/pagemap.h~mm-make-mapping_get_entry-available-outside-of-filemapc
+++ a/include/linux/pagemap.h
@@ -507,6 +507,7 @@ pgoff_t page_cache_prev_miss(struct addr
#define FGP_ENTRY 0x00000080
#define FGP_STABLE 0x00000100
+void *filemap_get_entry(struct address_space *mapping, pgoff_t index);
struct folio *__filemap_get_folio(struct address_space *mapping, pgoff_t index,
int fgp_flags, gfp_t gfp);
struct page *pagecache_get_page(struct address_space *mapping, pgoff_t index,
--- a/mm/filemap.c~mm-make-mapping_get_entry-available-outside-of-filemapc
+++ a/mm/filemap.c
@@ -1836,7 +1836,7 @@ EXPORT_SYMBOL(page_cache_prev_miss);
*/
/*
- * mapping_get_entry - Get a page cache entry.
+ * filemap_get_entry - Get a page cache entry.
* @mapping: the address_space to search
* @index: The page cache index.
*
@@ -1847,7 +1847,7 @@ EXPORT_SYMBOL(page_cache_prev_miss);
*
* Return: The folio, swap or shadow entry, %NULL if nothing is found.
*/
-static void *mapping_get_entry(struct address_space *mapping, pgoff_t index)
+void *filemap_get_entry(struct address_space *mapping, pgoff_t index)
{
XA_STATE(xas, &mapping->i_pages, index);
struct folio *folio;
@@ -1917,7 +1917,7 @@ struct folio *__filemap_get_folio(struct
struct folio *folio;
repeat:
- folio = mapping_get_entry(mapping, index);
+ folio = filemap_get_entry(mapping, index);
if (xa_is_value(folio)) {
if (fgp_flags & FGP_ENTRY)
return folio;
_
Patches currently in -mm which might be from hch@xxxxxx are
ufs-dont-flush-page-immediately-for-dirsync-directories.patch
ocfs2-dont-use-write_one_page-in-ocfs2_duplicate_clusters_by_page.patch
mmjfs-move-write_one_page-folio_write_one-to-jfs.patch
mm-dont-look-at-xarray-value-entries-in-split_huge_pages_in_file.patch
mm-make-mapping_get_entry-available-outside-of-filemapc.patch
mm-use-filemap_get_entry-in-filemap_get_incore_folio.patch
shmem-remove-shmem_get_partial_folio.patch
shmem-open-code-the-page-cache-lookup-in-shmem_get_folio_gfp.patch
mm-remove-fgp_entry.patch
mm-return-an-err_ptr-from-__filemap_get_folio.patch
