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Avoid BUG in migrate_folio_extra

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Linux page migration code won't wait for writeback to complete unless
it needs to call release_folio.  Call SetPagePrivate wherever
PageUptodate is set and define .release_folio, to cause
fallback_migrate_folio to wait for us.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: tstabrawa <59430211+tstabrawa@users.noreply.github.com>
Closes #15140
Closes #16568
This commit is contained in:
tstabrawa
2024-09-26 10:57:09 -05:00
committed by GitHub
parent b2ca5105b7
commit b052035990
6 changed files with 140 additions and 0 deletions
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config/kernel.m4
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@@ -77,6 +77,8 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
ZFS_AC_KERNEL_SRC_SGET
ZFS_AC_KERNEL_SRC_VFS_FILEMAP_DIRTY_FOLIO
ZFS_AC_KERNEL_SRC_VFS_READ_FOLIO
ZFS_AC_KERNEL_SRC_VFS_RELEASE_FOLIO
ZFS_AC_KERNEL_SRC_VFS_INVALIDATE_FOLIO
ZFS_AC_KERNEL_SRC_VFS_FSYNC_2ARGS
ZFS_AC_KERNEL_SRC_VFS_DIRECT_IO
ZFS_AC_KERNEL_SRC_VFS_READPAGES
@@ -185,6 +187,8 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
ZFS_AC_KERNEL_SGET
ZFS_AC_KERNEL_VFS_FILEMAP_DIRTY_FOLIO
ZFS_AC_KERNEL_VFS_READ_FOLIO
ZFS_AC_KERNEL_VFS_RELEASE_FOLIO
ZFS_AC_KERNEL_VFS_INVALIDATE_FOLIO
ZFS_AC_KERNEL_VFS_FSYNC_2ARGS
ZFS_AC_KERNEL_VFS_DIRECT_IO
ZFS_AC_KERNEL_VFS_READPAGES