diff options
Diffstat (limited to 'fs/btrfs/extent_io.c')
| -rw-r--r-- | fs/btrfs/extent_io.c | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 66888b10b00d..96de6e70d06c 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -13,6 +13,7 @@ #include <linux/pagevec.h> #include <linux/prefetch.h> #include <linux/cleancache.h> +#include <linux/fsverity.h> #include "misc.h" #include "extent_io.h" #include "extent-io-tree.h" @@ -2247,18 +2248,6 @@ int test_range_bit(struct extent_io_tree *tree, u64 start, u64 end, return bitset; } -/* - * helper function to set a given page up to date if all the - * extents in the tree for that page are up to date - */ -static void check_page_uptodate(struct extent_io_tree *tree, struct page *page) -{ - u64 start = page_offset(page); - u64 end = start + PAGE_SIZE - 1; - if (test_range_bit(tree, start, end, EXTENT_UPTODATE, 1, NULL)) - SetPageUptodate(page); -} - int free_io_failure(struct extent_io_tree *failure_tree, struct extent_io_tree *io_tree, struct io_failure_record *rec) @@ -2690,7 +2679,15 @@ static void end_page_read(struct page *page, bool uptodate, u64 start, u32 len) start + len <= page_offset(page) + PAGE_SIZE); if (uptodate) { - btrfs_page_set_uptodate(fs_info, page, start, len); + if (fsverity_active(page->mapping->host) && + !PageError(page) && + !PageUptodate(page) && + start < i_size_read(page->mapping->host) && + !fsverity_verify_page(page)) { + btrfs_page_set_error(fs_info, page, start, len); + } else { + btrfs_page_set_uptodate(fs_info, page, start, len); + } } else { btrfs_page_clear_uptodate(fs_info, page, start, len); btrfs_page_set_error(fs_info, page, start, len); @@ -3105,7 +3102,7 @@ readpage_ok: /* Update page status and unlock */ end_page_read(page, uptodate, start, len); endio_readpage_release_extent(&processed, BTRFS_I(inode), - start, end, uptodate); + start, end, PageUptodate(page)); } /* Release the last extent */ endio_readpage_release_extent(&processed, NULL, 0, 0, false); @@ -3706,7 +3703,6 @@ int btrfs_do_readpage(struct page *page, struct extent_map **em_cached, /* the get_extent function already copied into the page */ if (test_range_bit(tree, cur, cur_end, EXTENT_UPTODATE, 1, NULL)) { - check_page_uptodate(tree, page); unlock_extent(tree, cur, cur + iosize - 1); end_page_read(page, true, cur, iosize); cur = cur + iosize; |