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authorMatthew Wilcox (Oracle) <willy@infradead.org>2025-02-13 18:23:01 +0000
committerTheodore Ts'o <tytso@mit.edu>2025-03-18 00:15:25 -0400
commit08be56fec0588972f6fd4a3ce4ced3265de43dd8 (patch)
tree2537904d7e337c87abb44cb3d78d59188fd7bc96
parent7e91ae31e2d264155dfd102101afc2de7bd74a64 (diff)
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ext4: remove references to bh->b_page
Buffer heads are attached to folios, not to pages. Also flush_dcache_page() is now deprecated in favour of flush_dcache_folio(). Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://patch.msgid.link/20250213182303.2133205-1-willy@infradead.org Signed-off-by: Theodore Ts'o <tytso@mit.edu>
-rw-r--r--fs/ext4/inode.c2
-rw-r--r--fs/ext4/super.c2
-rw-r--r--fs/jbd2/journal.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index f5c6937c2ebc..aede80fa1781 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -752,7 +752,7 @@ static void ext4_update_bh_state(struct buffer_head *bh, unsigned long flags)
flags &= EXT4_MAP_FLAGS;
/* Dummy buffer_head? Set non-atomically. */
- if (!bh->b_page) {
+ if (!bh->b_folio) {
bh->b_state = (bh->b_state & ~EXT4_MAP_FLAGS) | flags;
return;
}
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index cdc435af1088..fec729bc287e 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -7306,7 +7306,7 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
}
lock_buffer(bh);
memcpy(bh->b_data+offset, data, len);
- flush_dcache_page(bh->b_page);
+ flush_dcache_folio(bh->b_folio);
unlock_buffer(bh);
err = ext4_handle_dirty_metadata(handle, NULL, bh);
brelse(bh);
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 51f7a8cc43a7..ff41a31e2bc9 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -947,7 +947,7 @@ int jbd2_journal_bmap(journal_t *journal, unsigned long blocknr,
* descriptor blocks we do need to generate bona fide buffers.
*
* After the caller of jbd2_journal_get_descriptor_buffer() has finished modifying
- * the buffer's contents they really should run flush_dcache_page(bh->b_page).
+ * the buffer's contents they really should run flush_dcache_folio(bh->b_folio).
* But we don't bother doing that, so there will be coherency problems with
* mmaps of blockdevs which hold live JBD-controlled filesystems.
*/