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authorChristoph Hellwig <hch@lst.de>2025-06-10 08:49:38 +0300
committerAndrew Morton <akpm@linux-foundation.org>2025-07-10 08:41:57 +0300
commit44b1b073eb36143ec65a918c0fbaa582f3ec2aa1 (patch)
tree3ff42ebd5c50d49e8db9c4ce14e5431252bdd401 /include/linux
parent86c4a946436e6ab3d9b0d02afd5d33ebf63528c5 (diff)
downloadlinux-44b1b073eb36143ec65a918c0fbaa582f3ec2aa1.tar.xz
mm: stop passing a writeback_control structure to shmem_writeout
shmem_writeout only needs the swap_iocb cookie and the split folio list. Pass those explicitly and remove the now unused list member from struct writeback_control. Link: https://lkml.kernel.org/r/20250610054959.2057526-3-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: Chengming Zhou <chengming.zhou@linux.dev> Cc: Hugh Dickins <hughd@google.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Nhat Pham <nphamcs@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/shmem_fs.h5
-rw-r--r--include/linux/writeback.h3
2 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h
index 5f03a39a26f7..6d0f9c599ff7 100644
--- a/include/linux/shmem_fs.h
+++ b/include/linux/shmem_fs.h
@@ -11,6 +11,8 @@
#include <linux/fs_parser.h>
#include <linux/userfaultfd_k.h>
+struct swap_iocb;
+
/* inode in-kernel data */
#ifdef CONFIG_TMPFS_QUOTA
@@ -107,7 +109,8 @@ static inline bool shmem_mapping(struct address_space *mapping)
void shmem_unlock_mapping(struct address_space *mapping);
struct page *shmem_read_mapping_page_gfp(struct address_space *mapping,
pgoff_t index, gfp_t gfp_mask);
-int shmem_writeout(struct folio *folio, struct writeback_control *wbc);
+int shmem_writeout(struct folio *folio, struct swap_iocb **plug,
+ struct list_head *folio_list);
void shmem_truncate_range(struct inode *inode, loff_t start, loff_t end);
int shmem_unuse(unsigned int type);
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index eda4b62511f7..82f217970092 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -79,9 +79,6 @@ struct writeback_control {
*/
struct swap_iocb **swap_plug;
- /* Target list for splitting a large folio */
- struct list_head *list;
-
/* internal fields used by the ->writepages implementation: */
struct folio_batch fbatch;
pgoff_t index;