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Diffstat (limited to 'fs/btrfs/extent_io.c')
-rw-r--r--fs/btrfs/extent_io.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 660a5b9c08e9..d322cf82783f 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -526,8 +526,6 @@ static void end_bbio_data_read(struct btrfs_bio *bbio)
u64 end;
u32 len;
- /* For now only order 0 folios are supported for data. */
- ASSERT(folio_order(folio) == 0);
btrfs_debug(fs_info,
"%s: bi_sector=%llu, err=%d, mirror=%u",
__func__, bio->bi_iter.bi_sector, bio->bi_status,
@@ -555,7 +553,6 @@ static void end_bbio_data_read(struct btrfs_bio *bbio)
if (likely(uptodate)) {
loff_t i_size = i_size_read(inode);
- pgoff_t end_index = i_size >> folio_shift(folio);
/*
* Zero out the remaining part if this range straddles
@@ -564,9 +561,11 @@ static void end_bbio_data_read(struct btrfs_bio *bbio)
* Here we should only zero the range inside the folio,
* not touch anything else.
*
- * NOTE: i_size is exclusive while end is inclusive.
+ * NOTE: i_size is exclusive while end is inclusive and
+ * folio_contains() takes PAGE_SIZE units.
*/
- if (folio_index(folio) == end_index && i_size <= end) {
+ if (folio_contains(folio, i_size >> PAGE_SHIFT) &&
+ i_size <= end) {
u32 zero_start = max(offset_in_folio(folio, i_size),
offset_in_folio(folio, start));
u32 zero_len = offset_in_folio(folio, end) + 1 -
@@ -960,7 +959,7 @@ static int btrfs_do_readpage(struct folio *folio, struct extent_map **em_cached,
return ret;
}
- if (folio->index == last_byte >> folio_shift(folio)) {
+ if (folio_contains(folio, last_byte >> PAGE_SHIFT)) {
size_t zero_offset = offset_in_folio(folio, last_byte);
if (zero_offset) {
@@ -1871,7 +1870,7 @@ static int submit_eb_subpage(struct folio *folio, struct writeback_control *wbc)
subpage->bitmaps)) {
spin_unlock_irqrestore(&subpage->lock, flags);
spin_unlock(&folio->mapping->i_private_lock);
- bit_start++;
+ bit_start += sectors_per_node;
continue;
}
@@ -2827,10 +2826,10 @@ struct extent_buffer *find_extent_buffer(struct btrfs_fs_info *fs_info,
return eb;
}
-#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
struct extent_buffer *alloc_test_extent_buffer(struct btrfs_fs_info *fs_info,
u64 start)
{
+#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
struct extent_buffer *eb, *exists = NULL;
int ret;
@@ -2866,8 +2865,11 @@ again:
free_eb:
btrfs_release_extent_buffer(eb);
return exists;
-}
+#else
+ /* Stub to avoid linker error when compiled with optimizations turned off. */
+ return NULL;
#endif
+}
static struct extent_buffer *grab_extent_buffer(
struct btrfs_fs_info *fs_info, struct page *page)