The quilt patch titled
Subject: shmem: convert shmem_write_begin() to use shmem_get_folio()
has been removed from the -mm tree. Its filename was
shmem-convert-shmem_write_begin-to-use-shmem_get_folio.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: shmem: convert shmem_write_begin() to use shmem_get_folio()
Date: Fri, 2 Sep 2022 20:46:22 +0100
Use a folio throughout this function, saving a couple of calls to
compound_head().
Link: https://lkml.kernel.org/r/20220902194653.1739778-27-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/shmem.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
--- a/mm/shmem.c~shmem-convert-shmem_write_begin-to-use-shmem_get_folio
+++ a/mm/shmem.c
@@ -2498,6 +2498,7 @@ shmem_write_begin(struct file *file, str
struct inode *inode = mapping->host;
struct shmem_inode_info *info = SHMEM_I(inode);
pgoff_t index = pos >> PAGE_SHIFT;
+ struct folio *folio;
int ret = 0;
/* i_rwsem is held by caller */
@@ -2509,14 +2510,15 @@ shmem_write_begin(struct file *file, str
return -EPERM;
}
- ret = shmem_getpage(inode, index, pagep, SGP_WRITE);
+ ret = shmem_get_folio(inode, index, &folio, SGP_WRITE);
if (ret)
return ret;
+ *pagep = folio_file_page(folio, index);
if (PageHWPoison(*pagep)) {
- unlock_page(*pagep);
- put_page(*pagep);
+ folio_unlock(folio);
+ folio_put(folio);
*pagep = NULL;
return -EIO;
}
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
