From 669e3e6bf251ba46dea0802e23bf44b990305507 Mon Sep 17 00:00:00 2001 From: tstabrawa <59430211+tstabrawa@users.noreply.github.com> Date: Sun, 3 Nov 2024 15:30:23 -0600 Subject: [PATCH] Revert "Avoid BUG in migrate_folio_extra" This reverts commit b052035990594408899fa32fd4ad6603b75b6c6d. Signed-off-by: tstabrawa <59430211+tstabrawa@users.noreply.github.com> --- config/kernel-vfs-invalidate_folio.m4 | 33 ------------------- config/kernel-vfs-release_folio.m4 | 32 ------------------- config/kernel.m4 | 4 --- module/os/linux/zfs/zfs_vnops_os.c | 17 ---------- module/os/linux/zfs/zfs_znode_os.c | 8 ----- module/os/linux/zfs/zpl_file.c | 46 --------------------------- 6 files changed, 140 deletions(-) delete mode 100644 config/kernel-vfs-invalidate_folio.m4 delete mode 100644 config/kernel-vfs-release_folio.m4 diff --git a/config/kernel-vfs-invalidate_folio.m4 b/config/kernel-vfs-invalidate_folio.m4 deleted file mode 100644 index 61a5c8478af1..000000000000 --- a/config/kernel-vfs-invalidate_folio.m4 +++ /dev/null @@ -1,33 +0,0 @@ -dnl # -dnl # Linux 5.18 uses invalidate_folio in lieu of invalidate_page -dnl # -AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_INVALIDATE_FOLIO], [ - ZFS_LINUX_TEST_SRC([vfs_has_invalidate_folio], [ - #include - - static void - test_invalidate_folio(struct folio *folio, size_t offset, - size_t len) { - (void) folio; (void) offset; (void) len; - return; - } - - static const struct address_space_operations - aops __attribute__ ((unused)) = { - .invalidate_folio = test_invalidate_folio, - }; - ],[]) -]) - -AC_DEFUN([ZFS_AC_KERNEL_VFS_INVALIDATE_FOLIO], [ - dnl # - dnl # Linux 5.18 uses invalidate_folio in lieu of invalidate_page - dnl # - AC_MSG_CHECKING([whether invalidate_folio exists]) - ZFS_LINUX_TEST_RESULT([vfs_has_invalidate_folio], [ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_VFS_INVALIDATE_FOLIO, 1, [invalidate_folio exists]) - ],[ - AC_MSG_RESULT([no]) - ]) -]) diff --git a/config/kernel-vfs-release_folio.m4 b/config/kernel-vfs-release_folio.m4 deleted file mode 100644 index f31db5677fd3..000000000000 --- a/config/kernel-vfs-release_folio.m4 +++ /dev/null @@ -1,32 +0,0 @@ -dnl # -dnl # Linux 5.19 uses release_folio in lieu of releasepage -dnl # -AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_RELEASE_FOLIO], [ - ZFS_LINUX_TEST_SRC([vfs_has_release_folio], [ - #include - - static bool - test_release_folio(struct folio *folio, gfp_t gfp) { - (void) folio; (void) gfp; - return (0); - } - - static const struct address_space_operations - aops __attribute__ ((unused)) = { - .release_folio = test_release_folio, - }; - ],[]) -]) - -AC_DEFUN([ZFS_AC_KERNEL_VFS_RELEASE_FOLIO], [ - dnl # - dnl # Linux 5.19 uses release_folio in lieu of releasepage - dnl # - AC_MSG_CHECKING([whether release_folio exists]) - ZFS_LINUX_TEST_RESULT([vfs_has_release_folio], [ - AC_MSG_RESULT([yes]) - AC_DEFINE(HAVE_VFS_RELEASE_FOLIO, 1, [release_folio exists]) - ],[ - AC_MSG_RESULT([no]) - ]) -]) diff --git a/config/kernel.m4 b/config/kernel.m4 index 556df58082f9..761f9310753a 100644 --- a/config/kernel.m4 +++ b/config/kernel.m4 @@ -77,8 +77,6 @@ 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 @@ -189,8 +187,6 @@ 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 diff --git a/module/os/linux/zfs/zfs_vnops_os.c b/module/os/linux/zfs/zfs_vnops_os.c index 469197220859..dd9fd760b9c2 100644 --- a/module/os/linux/zfs/zfs_vnops_os.c +++ b/module/os/linux/zfs/zfs_vnops_os.c @@ -260,15 +260,6 @@ update_pages(znode_t *zp, int64_t start, int len, objset_t *os) } else { ClearPageError(pp); SetPageUptodate(pp); - if (!PagePrivate(pp)) { - /* - * Set private bit so page migration - * will wait for us to finish writeback - * before calling migrate_folio(). - */ - SetPagePrivate(pp); - get_page(pp); - } if (mapping_writably_mapped(mp)) flush_dcache_page(pp); @@ -4090,14 +4081,6 @@ zfs_fillpage(struct inode *ip, struct page *pp) } else { ClearPageError(pp); SetPageUptodate(pp); - if (!PagePrivate(pp)) { - /* - * Set private bit so page migration will wait for us to - * finish writeback before calling migrate_folio(). - */ - SetPagePrivate(pp); - get_page(pp); - } } return (error); diff --git a/module/os/linux/zfs/zfs_znode_os.c b/module/os/linux/zfs/zfs_znode_os.c index bc1e17f086d9..bbaca2f58394 100644 --- a/module/os/linux/zfs/zfs_znode_os.c +++ b/module/os/linux/zfs/zfs_znode_os.c @@ -1577,14 +1577,6 @@ zfs_zero_partial_page(znode_t *zp, uint64_t start, uint64_t len) mark_page_accessed(pp); SetPageUptodate(pp); ClearPageError(pp); - if (!PagePrivate(pp)) { - /* - * Set private bit so page migration will wait for us to - * finish writeback before calling migrate_folio(). - */ - SetPagePrivate(pp); - get_page(pp); - } unlock_page(pp); put_page(pp); } diff --git a/module/os/linux/zfs/zpl_file.c b/module/os/linux/zfs/zpl_file.c index 50c63695dcc8..4d1bf1d5477f 100644 --- a/module/os/linux/zfs/zpl_file.c +++ b/module/os/linux/zfs/zpl_file.c @@ -607,42 +607,6 @@ zpl_writepage(struct page *pp, struct writeback_control *wbc) return (zpl_putpage(pp, wbc, &for_sync)); } -static int -zpl_releasepage(struct page *pp, gfp_t gfp) -{ - if (PagePrivate(pp)) { - ClearPagePrivate(pp); - put_page(pp); - } - return (1); -} - -#ifdef HAVE_VFS_RELEASE_FOLIO -static bool -zpl_release_folio(struct folio *folio, gfp_t gfp) -{ - return (zpl_releasepage(&folio->page, gfp)); -} -#endif - -#ifdef HAVE_VFS_INVALIDATE_FOLIO -static void -zpl_invalidate_folio(struct folio *folio, size_t offset, size_t len) -{ - if ((offset == 0) && (len == PAGE_SIZE)) { - zpl_releasepage(&folio->page, 0); - } -} -#else -static void -zpl_invalidatepage(struct page *pp, unsigned int offset, unsigned int len) -{ - if ((offset == 0) && (len == PAGE_SIZE)) { - zpl_releasepage(pp, 0); - } -} -#endif - /* * The flag combination which matches the behavior of zfs_space() is * FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE. The FALLOC_FL_PUNCH_HOLE @@ -1126,16 +1090,6 @@ const struct address_space_operations zpl_address_space_operations = { #ifdef HAVE_VFS_FILEMAP_DIRTY_FOLIO .dirty_folio = filemap_dirty_folio, #endif -#ifdef HAVE_VFS_RELEASE_FOLIO - .release_folio = zpl_release_folio, -#else - .releasepage = zpl_releasepage, -#endif -#ifdef HAVE_VFS_INVALIDATE_FOLIO - .invalidate_folio = zpl_invalidate_folio, -#else - .invalidatepage = zpl_invalidatepage, -#endif }; const struct file_operations zpl_file_operations = {