btrfs: remove unused flag EXTENT_BUFFER_READ_ERR

This flag was added by commit 656f30dba7ab ("Btrfs: be aware of btree
inode write errors to avoid fs corruption") but it stopped being used
after commit 046b562b20a5 ("btrfs: use a separate end_io handler for
read_extent_buffer").

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Daniel Vacek <neelx@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 13bdd60da3c73817f1f31f39046127988d76209d..af135d362ff111bb4e752bbef663cfe32ad2380e 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3647,12 +3647,10 @@ static void end_bbio_meta_read(struct btrfs_bio *bbio)
            btrfs_validate_extent_buffer(eb, &bbio->parent_check) < 0)
                uptodate = false;
 
-       if (uptodate) {
+       if (uptodate)
                set_extent_buffer_uptodate(eb);
-       } else {
+       else
                clear_extent_buffer_uptodate(eb);
-               set_bit(EXTENT_BUFFER_READ_ERR, &eb->bflags);
-       }
 
        clear_extent_buffer_reading(eb);
        free_extent_buffer(eb);
@@ -3691,7 +3689,6 @@ int read_extent_buffer_pages_nowait(struct extent_buffer *eb, int mirror_num,
                return 0;
        }
 
-       clear_bit(EXTENT_BUFFER_READ_ERR, &eb->bflags);
        eb->read_mirror = 0;
        check_buffer_tree_ref(eb);
        atomic_inc(&eb->refs);

diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index f5b28b5c4908b2a9d99c1c1e29bd7736e191523f..614c90452fc9cfb77942ff2c7f5a8425e4975110 100644 (file)
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -44,8 +44,6 @@ enum {
        EXTENT_BUFFER_TREE_REF,
        EXTENT_BUFFER_STALE,
        EXTENT_BUFFER_WRITEBACK,
-       /* read IO error */
-       EXTENT_BUFFER_READ_ERR,
        EXTENT_BUFFER_UNMAPPED,
        EXTENT_BUFFER_IN_TREE,
        /* write IO error */