On Thu, Nov 05, 2015 at 04:32:59PM +0800, Qu Wenruo wrote: > Btrfs_leaf_free_space() function is used to determine the leaf/node > size. > It's OK to use root->nodesize to determine nodesize, but in fact, > extent_buffer->len can also be used to determine the nodesize if caller > can ensure it's a tree block. > > So this patch will add support for NULL root for btrfs_leaf_free_space() > function, to allow btrfs_print_leaf() functions to be called in gdb or > to debug temporary btrfs in make_btrfs() without a valid root. > > Signed-off-by: Qu Wenruo <quwen...@cn.fujitsu.com>
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