btrfs: remove redundant parameter from btree_readahead_hook
We can read fs_info from eb.
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 285566c..7343bf7 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3672,8 +3672,7 @@
struct btrfs_key *start, struct btrfs_key *end);
int btrfs_reada_wait(void *handle);
void btrfs_reada_detach(void *handle);
-int btree_readahead_hook(struct btrfs_fs_info *fs_info,
- struct extent_buffer *eb, int err);
+int btree_readahead_hook(struct extent_buffer *eb, int err);
static inline int is_fstree(u64 rootid)
{
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 12eba54..a9314fe 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -762,7 +762,7 @@
err:
if (reads_done &&
test_and_clear_bit(EXTENT_BUFFER_READAHEAD, &eb->bflags))
- btree_readahead_hook(fs_info, eb, ret);
+ btree_readahead_hook(eb, ret);
if (ret) {
/*
@@ -787,7 +787,7 @@
eb->read_mirror = failed_mirror;
atomic_dec(&eb->io_pages);
if (test_and_clear_bit(EXTENT_BUFFER_READAHEAD, &eb->bflags))
- btree_readahead_hook(eb->fs_info, eb, -EIO);
+ btree_readahead_hook(eb, -EIO);
return -EIO; /* we fixed nothing */
}
diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
index a7fa4a5..306e510 100644
--- a/fs/btrfs/reada.c
+++ b/fs/btrfs/reada.c
@@ -209,9 +209,9 @@
return;
}
-int btree_readahead_hook(struct btrfs_fs_info *fs_info,
- struct extent_buffer *eb, int err)
+int btree_readahead_hook(struct extent_buffer *eb, int err)
{
+ struct btrfs_fs_info *fs_info = eb->fs_info;
int ret = 0;
struct reada_extent *re;