btrfs: remove blocksize from reada_extent

Replace with global nodesize instead.

Signed-off-by: David Sterba <dsterba@suse.cz>

diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
index b63ae20618fb3f573d7917b088fa58a11f887293..5c3fde6571bb2f02d1758530d0f0984dbdde0833 100644 (file)
--- a/fs/btrfs/reada.c
+++ b/fs/btrfs/reada.c
@@ -66,7 +66,6 @@ struct reada_extctl {
 struct reada_extent {
        u64                     logical;
        struct btrfs_key        top;
-       u32                     blocksize;
        int                     err;
        struct list_head        extctl;
        int                     refcnt;
@@ -349,7 +348,6 @@ static struct reada_extent *reada_find_extent(struct btrfs_root *root,
 
        blocksize = root->nodesize;
        re->logical = logical;
-       re->blocksize = blocksize;
        re->top = *top;
        INIT_LIST_HEAD(&re->extctl);
        spin_lock_init(&re->lock);
@@ -660,7 +658,6 @@ static int reada_start_machine_dev(struct btrfs_fs_info *fs_info,
        int mirror_num = 0;
        struct extent_buffer *eb = NULL;
        u64 logical;
-       u32 blocksize;
        int ret;
        int i;
        int need_kick = 0;
@@ -694,7 +691,7 @@ static int reada_start_machine_dev(struct btrfs_fs_info *fs_info,
                spin_unlock(&fs_info->reada_lock);
                return 0;
        }
-       dev->reada_next = re->logical + re->blocksize;
+       dev->reada_next = re->logical + fs_info->tree_root->nodesize;
        re->refcnt++;
 
        spin_unlock(&fs_info->reada_lock);
@@ -709,7 +706,6 @@ static int reada_start_machine_dev(struct btrfs_fs_info *fs_info,
                }
        }
        logical = re->logical;
-       blocksize = re->blocksize;
 
        spin_lock(&re->lock);
        if (re->scheduled_for == NULL) {
@@ -724,8 +720,8 @@ static int reada_start_machine_dev(struct btrfs_fs_info *fs_info,
                return 0;
 
        atomic_inc(&dev->reada_in_flight);
-       ret = reada_tree_block_flagged(fs_info->extent_root, logical, blocksize,
-                        mirror_num, &eb);
+       ret = reada_tree_block_flagged(fs_info->extent_root, logical,
+                       fs_info->tree_root->nodesize, mirror_num, &eb);
        if (ret)
                __readahead_hook(fs_info->extent_root, NULL, logical, ret);
        else if (eb)
@@ -851,7 +847,7 @@ static void dump_devs(struct btrfs_fs_info *fs_info, int all)
                                break;
                        printk(KERN_DEBUG
                                "  re: logical %llu size %u empty %d for %lld",
-                               re->logical, re->blocksize,
+                               re->logical, fs_info->tree_root->nodesize,
                                list_empty(&re->extctl), re->scheduled_for ?
                                re->scheduled_for->devid : -1);
 
@@ -886,7 +882,8 @@ static void dump_devs(struct btrfs_fs_info *fs_info, int all)
                }
                printk(KERN_DEBUG
                        "re: logical %llu size %u list empty %d for %lld",
-                       re->logical, re->blocksize, list_empty(&re->extctl),
+                       re->logical, fs_info->tree_root->nodesize,
+                       list_empty(&re->extctl),
                        re->scheduled_for ? re->scheduled_for->devid : -1);
                for (i = 0; i < re->nzones; ++i) {
                        printk(KERN_CONT " zone %llu-%llu devs",