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authorChris Mason <chris.mason@oracle.com>2007-06-22 14:49:31 -0400
committerDavid Woodhouse <dwmw2@hera.kernel.org>2007-06-22 14:49:31 -0400
commit22bb92f376b38154dc0c3688a01a16525b4caab0 (patch)
tree424bf0a5ba92a4cf3e80497a6c0471a23d7cd2b2
parent5eda7b5e9b0bed864dd18284c7df9b3c8207dad7 (diff)
Btrfs: Documentation update
Signed-off-by: Chris Mason <chris.mason@oracle.com>
-rw-r--r--fs/btrfs/INSTALL17
-rw-r--r--fs/btrfs/root-tree.c2
-rw-r--r--fs/btrfs/transaction.c1
3 files changed, 7 insertions, 13 deletions
diff --git a/fs/btrfs/INSTALL b/fs/btrfs/INSTALL
index e83ff6e8c8d..16b45a56878 100644
--- a/fs/btrfs/INSTALL
+++ b/fs/btrfs/INSTALL
@@ -5,19 +5,16 @@ directory can only be changed by btrfsctl right now, and normal filesystem
operations do not work on it. The default subvolume is called 'default',
and you can create files and directories in mount_point/default
-Btrfs uses the crypto manager interface in the kernel for file and
-metadata checksums. You need to compile the kernel with:
+Btrfs uses libcrc32c in the kernel for file and metadata checksums. You need
+to compile the kernel with:
-CONFIG_CRYPTO=y
-CONFIG_CRYPTO_MANAGER=m
-CONFIG_CRYPTO_CRC32C=m
+CONFIG_LIBCRC32C=m
-cryptomanager and crc32c can be static as well. Once your kernel is
-setup, typing make in the btrfs module sources will build against the
-running kernel. When the build is complete:
+libcrc32c can be static as well. Once your kernel is setup, typing make in the
+btrfs module sources will build against the running kernel. When the build is
+complete:
-modprobe crc32c
-modprobe cryptomgr
+modprobe libcrc32c
insmod btrfs.ko
The Btrfs utility programs require libuuid to build. This can be found
diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index 737e5a38d17..8b0eca042ea 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -51,7 +51,6 @@ int btrfs_find_last_root(struct btrfs_root *root, u64 objectid,
memcpy(item, btrfs_item_ptr(l, slot, struct btrfs_root_item),
sizeof(*item));
btrfs_disk_key_to_cpu(key, &l->items[slot].key);
-printk("find last finds key %Lu %u %Lu slot %d search for obj %Lu\n", key->objectid, key->flags, key->offset, slot, objectid);
ret = 0;
out:
btrfs_release_path(root, path);
@@ -141,7 +140,6 @@ int btrfs_find_dead_roots(struct btrfs_root *root)
ret = PTR_ERR(root);
goto err;
}
-printk("found dead root %Lu %u %Lu\n", key.objectid, key.flags, key.offset);
ret = btrfs_add_dead_root(dead_root,
&root->fs_info->dead_roots);
if (ret)
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 85a2a5e2714..a5a63d471e4 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -308,7 +308,6 @@ static int drop_dirty_roots(struct btrfs_root *tree_root,
list_del_init(&dirty->list);
trans = btrfs_start_transaction(tree_root, 1);
-printk("deleting root %Lu %u %Lu\n", dirty->snap_key.objectid, dirty->snap_key.flags, dirty->snap_key.offset);
ret = btrfs_drop_snapshot(trans, dirty->root,
dirty->commit_root);
BUG_ON(ret);