Btrfs: fix compiler warnings on 32 bit systems

The enospc tracing code added some interesting uses of
u64 pointer casts.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index b669a7d..d986824 100644 (file)
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -644,7 +644,7 @@ static struct btrfsic_dev_state *btrfsic_dev_state_hashtable_lookup(
 static int btrfsic_process_superblock(struct btrfsic_state *state,
                                      struct btrfs_fs_devices *fs_devices)
 {
-       int ret;
+       int ret = 0;
        struct btrfs_super_block *selected_super;
        struct list_head *dev_head = &fs_devices->devices;
        struct btrfs_device *device;

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 079e5a1..37e0a80 100644 (file)
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3312,7 +3312,8 @@ commit_trans:
        }
        data_sinfo->bytes_may_use += bytes;
        trace_btrfs_space_reservation(root->fs_info, "space_info",
-                                     (u64)data_sinfo, bytes, 1);
+                                     (u64)(unsigned long)data_sinfo,
+                                     bytes, 1);
        spin_unlock(&data_sinfo->lock);
 
        return 0;
@@ -3333,7 +3334,8 @@ void btrfs_free_reserved_data_space(struct inode *inode, u64 bytes)
        spin_lock(&data_sinfo->lock);
        data_sinfo->bytes_may_use -= bytes;
        trace_btrfs_space_reservation(root->fs_info, "space_info",
-                                     (u64)data_sinfo, bytes, 0);
+                                     (u64)(unsigned long)data_sinfo,
+                                     bytes, 0);
        spin_unlock(&data_sinfo->lock);
 }
 
@@ -3698,9 +3700,9 @@ again:
                if (used + orig_bytes <= space_info->total_bytes) {
                        space_info->bytes_may_use += orig_bytes;
                        trace_btrfs_space_reservation(root->fs_info,
-                                                     "space_info",
-                                                     (u64)space_info,
-                                                     orig_bytes, 1);
+                                             "space_info",
+                                             (u64)(unsigned long)space_info,
+                                             orig_bytes, 1);
                        ret = 0;
                } else {
                        /*
@@ -3769,9 +3771,9 @@ again:
                if (used + num_bytes < space_info->total_bytes + avail) {
                        space_info->bytes_may_use += orig_bytes;
                        trace_btrfs_space_reservation(root->fs_info,
-                                                     "space_info",
-                                                     (u64)space_info,
-                                                     orig_bytes, 1);
+                                             "space_info",
+                                             (u64)(unsigned long)space_info,
+                                             orig_bytes, 1);
                        ret = 0;
                } else {
                        wait_ordered = true;
@@ -3916,8 +3918,8 @@ static void block_rsv_release_bytes(struct btrfs_fs_info *fs_info,
                        spin_lock(&space_info->lock);
                        space_info->bytes_may_use -= num_bytes;
                        trace_btrfs_space_reservation(fs_info, "space_info",
-                                                     (u64)space_info,
-                                                     num_bytes, 0);
+                                             (u64)(unsigned long)space_info,
+                                             num_bytes, 0);
                        space_info->reservation_progress++;
                        spin_unlock(&space_info->lock);
                }
@@ -4135,14 +4137,14 @@ static void update_global_block_rsv(struct btrfs_fs_info *fs_info)
                block_rsv->reserved += num_bytes;
                sinfo->bytes_may_use += num_bytes;
                trace_btrfs_space_reservation(fs_info, "space_info",
-                                             (u64)sinfo, num_bytes, 1);
+                                     (u64)(unsigned long)sinfo, num_bytes, 1);
        }
 
        if (block_rsv->reserved >= block_rsv->size) {
                num_bytes = block_rsv->reserved - block_rsv->size;
                sinfo->bytes_may_use -= num_bytes;
                trace_btrfs_space_reservation(fs_info, "space_info",
-                                             (u64)sinfo, num_bytes, 0);
+                                     (u64)(unsigned long)sinfo, num_bytes, 0);
                sinfo->reservation_progress++;
                block_rsv->reserved = block_rsv->size;
                block_rsv->full = 1;
@@ -4195,7 +4197,8 @@ void btrfs_trans_release_metadata(struct btrfs_trans_handle *trans,
        if (!trans->bytes_reserved)
                return;
 
-       trace_btrfs_space_reservation(root->fs_info, "transaction", (u64)trans,
+       trace_btrfs_space_reservation(root->fs_info, "transaction",
+                                     (u64)(unsigned long)trans,
                                      trans->bytes_reserved, 0);
        btrfs_block_rsv_release(root, trans->block_rsv, trans->bytes_reserved);
        trans->bytes_reserved = 0;
@@ -4713,9 +4716,9 @@ static int btrfs_update_reserved_bytes(struct btrfs_block_group_cache *cache,
                        space_info->bytes_reserved += num_bytes;
                        if (reserve == RESERVE_ALLOC) {
                                trace_btrfs_space_reservation(cache->fs_info,
-                                                             "space_info",
-                                                             (u64)space_info,
-                                                             num_bytes, 0);
+                                             "space_info",
+                                             (u64)(unsigned long)space_info,
+                                             num_bytes, 0);
                                space_info->bytes_may_use -= num_bytes;
                        }
                }

diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index 213ffa8..ee15d88 100644 (file)
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -438,7 +438,8 @@ int btrfs_save_ino_cache(struct btrfs_root *root,
                                          trans->bytes_reserved);
        if (ret)
                goto out;
-       trace_btrfs_space_reservation(root->fs_info, "ino_cache", (u64)trans,
+       trace_btrfs_space_reservation(root->fs_info, "ino_cache",
+                                     (u64)(unsigned long)trans,
                                      trans->bytes_reserved, 1);
 again:
        inode = lookup_free_ino_inode(root, path);
@@ -500,7 +501,8 @@ again:
 out_put:
        iput(inode);
 out_release:
-       trace_btrfs_space_reservation(root->fs_info, "ino_cache", (u64)trans,
+       trace_btrfs_space_reservation(root->fs_info, "ino_cache",
+                                     (u64)(unsigned long)trans,
                                      trans->bytes_reserved, 0);
        btrfs_block_rsv_release(root, trans->block_rsv, trans->bytes_reserved);
 out:

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 016977b..04b77e3 100644 (file)
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -327,7 +327,8 @@ again:
 
        if (num_bytes) {
                trace_btrfs_space_reservation(root->fs_info, "transaction",
-                                             (u64)h, num_bytes, 1);
+                                             (u64)(unsigned long)h,
+                                             num_bytes, 1);
                h->block_rsv = &root->fs_info->trans_block_rsv;
                h->bytes_reserved = num_bytes;
        }