The patch titled
Subject: squashfs: always build "file direct" version of page actor
has been added to the -mm mm-nonmm-unstable branch. Its filename is
squashfs-always-build-file-direct-version-of-page-actor.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/squashfs-always-build-file-direct-version-of-page-actor.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Phillip Lougher <phillip@xxxxxxxxxxxxxxx>
Subject: squashfs: always build "file direct" version of page actor
Date: Mon, 6 Jun 2022 23:03:04 +0800
Squashfs_readahead uses the "file direct" version of the page
actor, and so build it unconditionally.
Link: https://lkml.kernel.org/r/20220606150305.1883410-3-hsinyi@xxxxxxxxxxxx
Signed-off-by: Phillip Lougher <phillip@xxxxxxxxxxxxxxx>
Signed-off-by: Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Cc: Hou Tao <houtao1@xxxxxxxxxx>
Cc: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Miao Xie <miaoxie@xxxxxxxxxx>
Cc: Xiongwei Song <Xiongwei.Song@xxxxxxxxxxxxx>
Cc: Zhang Yi <yi.zhang@xxxxxxxxxx>
Cc: Zheng Liang <zhengliang6@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/squashfs/Makefile | 4 +--
fs/squashfs/page_actor.h | 41 -------------------------------------
2 files changed, 2 insertions(+), 43 deletions(-)
--- a/fs/squashfs/Makefile~squashfs-always-build-file-direct-version-of-page-actor
+++ a/fs/squashfs/Makefile
@@ -5,9 +5,9 @@
obj-$(CONFIG_SQUASHFS) += squashfs.o
squashfs-y += block.o cache.o dir.o export.o file.o fragment.o id.o inode.o
-squashfs-y += namei.o super.o symlink.o decompressor.o
+squashfs-y += namei.o super.o symlink.o decompressor.o page_actor.o
squashfs-$(CONFIG_SQUASHFS_FILE_CACHE) += file_cache.o
-squashfs-$(CONFIG_SQUASHFS_FILE_DIRECT) += file_direct.o page_actor.o
+squashfs-$(CONFIG_SQUASHFS_FILE_DIRECT) += file_direct.o
squashfs-$(CONFIG_SQUASHFS_DECOMP_SINGLE) += decompressor_single.o
squashfs-$(CONFIG_SQUASHFS_DECOMP_MULTI) += decompressor_multi.o
squashfs-$(CONFIG_SQUASHFS_DECOMP_MULTI_PERCPU) += decompressor_multi_percpu.o
--- a/fs/squashfs/page_actor.h~squashfs-always-build-file-direct-version-of-page-actor
+++ a/fs/squashfs/page_actor.h
@@ -6,46 +6,6 @@
* Phillip Lougher <phillip@xxxxxxxxxxxxxxx>
*/
-#ifndef CONFIG_SQUASHFS_FILE_DIRECT
-struct squashfs_page_actor {
- void **page;
- int pages;
- int length;
- int next_page;
-};
-
-static inline struct squashfs_page_actor *squashfs_page_actor_init(void **page,
- int pages, int length)
-{
- struct squashfs_page_actor *actor = kmalloc(sizeof(*actor), GFP_KERNEL);
-
- if (actor == NULL)
- return NULL;
-
- actor->length = length ? : pages * PAGE_SIZE;
- actor->page = page;
- actor->pages = pages;
- actor->next_page = 0;
- return actor;
-}
-
-static inline void *squashfs_first_page(struct squashfs_page_actor *actor)
-{
- actor->next_page = 1;
- return actor->page[0];
-}
-
-static inline void *squashfs_next_page(struct squashfs_page_actor *actor)
-{
- return actor->next_page == actor->pages ? NULL :
- actor->page[actor->next_page++];
-}
-
-static inline void squashfs_finish_page(struct squashfs_page_actor *actor)
-{
- /* empty */
-}
-#else
struct squashfs_page_actor {
union {
void **buffer;
@@ -76,4 +36,3 @@ static inline void squashfs_finish_page(
actor->squashfs_finish_page(actor);
}
#endif
-#endif
_
Patches currently in -mm which might be from phillip@xxxxxxxxxxxxxxx are
squashfs-always-build-file-direct-version-of-page-actor.patch
