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Linux-5.18 replace set_page_dirty with dirty_folio

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The commits going into Linux 5.18:

  fs: Add aops->dirty_folio (6f31a5a261db)
  fs: Convert __set_page_dirty_buffers to block_dirty_folio (e621900ad2)
  fs: Remove aops ->set_page_dirty (3a3bae50af)

replaces the address_space_operations structure member set_page_dirty
which with dirty_folio.  The linux function __set_page_dirty_buffers is
replaced by block_dirty_folio.

Nothing within afs uses or implements the set_page_dirty function,
however the structure member is required to be initialized.

Add an autoconf test for the dirty_folio member and if present, set the
address_space_operations member dirty_folio to block_dirty_folio
instead of setting the set_page_dirty member.

Change-Id: Iad6783308989f4a1390c1c94d2c571048bd4e771
Reviewed-on: https://gerrit.openafs.org/14939
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
This commit is contained in:
Cheyenne Wills 2022-03-30 11:09:45 -06:00 committed by Benjamin Kaduk
parent bffc354ff7
commit 6aa129e743
2 changed files with 6 additions and 0 deletions
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4
src/afs/LINUX/osi_vnodeops.c
View File

@ -3293,7 +3293,11 @@ static struct address_space_operations afs_file_aops = {
.readpage = afs_linux_readpage,
.readpages = afs_linux_readpages,
.writepage = afs_linux_writepage,
#if defined(STRUCT_ADDRESS_SPACE_OPERATIONS_HAS_DIRTY_FOLIO)
.dirty_folio = block_dirty_folio,
#else
.set_page_dirty = __set_page_dirty_buffers,
#endif
#if defined (STRUCT_ADDRESS_SPACE_OPERATIONS_HAS_WRITE_BEGIN)
.write_begin = afs_linux_write_begin,
.write_end = afs_linux_write_end,

2
src/cf/linux-kernel-struct.m4
View File

@ -3,6 +3,8 @@ dnl Check for structure elements
AC_CHECK_LINUX_STRUCT([address_space], [backing_dev_info], [fs.h])
AC_CHECK_LINUX_STRUCT([address_space_operations],
[write_begin], [fs.h])
dnl linux 5.18 replaced set_page_dirty with dirty_folio
AC_CHECK_LINUX_STRUCT([address_space_operations], [dirty_folio], [fs.h])
AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
[backing-dev.h])
AC_CHECK_LINUX_STRUCT([cred], [session_keyring], [cred.h])