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authorJosef Bacik <josef@toxicpanda.com>2022-09-14 18:06:30 +0300
committerDavid Sterba <dsterba@suse.com>2022-12-05 20:00:37 +0300
commitad4b63caf56d0dc08e03966172d685ff9ebad996 (patch)
tree3d47cecdaa3cab05fa3fa9bc059d185e0a18b767
parent51129b33d3911c7a36e643d47cf7c00fba3089fe (diff)
downloadlinux-ad4b63caf56d0dc08e03966172d685ff9ebad996.tar.xz
btrfs: move maximum limits to btrfs_tree.h
We have maximum link and name length limits, move these to btrfs_tree.h as they're on disk limitations. Reviewed-by: Qu Wenruo <wqu@suse.com> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> [ reformat comments ] Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r--fs/btrfs/ctree.h13
-rw-r--r--include/uapi/linux/btrfs_tree.h12
2 files changed, 12 insertions, 13 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 7a80f9380146..6a37df0fa0eb 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -68,19 +68,6 @@ struct reloc_control;
#define BTRFS_OLDEST_GENERATION 0ULL
-/*
- * we can actually store much bigger names, but lets not confuse the rest
- * of linux
- */
-#define BTRFS_NAME_LEN 255
-
-/*
- * Theoretical limit is larger, but we keep this down to a sane
- * value. That should limit greatly the possibility of collisions on
- * inode ref items.
- */
-#define BTRFS_LINK_MAX 65535U
-
#define BTRFS_EMPTY_DIR_SIZE 0
#define BTRFS_DIRTY_METADATA_THRESH SZ_32M
diff --git a/include/uapi/linux/btrfs_tree.h b/include/uapi/linux/btrfs_tree.h
index d43f67f676c2..4809272f5063 100644
--- a/include/uapi/linux/btrfs_tree.h
+++ b/include/uapi/linux/btrfs_tree.h
@@ -16,6 +16,18 @@
#define BTRFS_MAX_LEVEL 8
/*
+ * We can actually store much bigger names, but lets not confuse the rest of
+ * linux.
+ */
+#define BTRFS_NAME_LEN 255
+
+/*
+ * Theoretical limit is larger, but we keep this down to a sane value. That
+ * should limit greatly the possibility of collisions on inode ref items.
+ */
+#define BTRFS_LINK_MAX 65535U
+
+/*
* This header contains the structure definitions and constants used
* by file system objects that can be retrieved using
* the BTRFS_IOC_SEARCH_TREE ioctl. That means basically anything that