btrfs: ulist: Add ulist_del() function.
authorQu Wenruo <quwenruo@cn.fujitsu.com>
Mon, 20 Apr 2015 01:26:02 +0000 (09:26 +0800)
committerChris Mason <clm@fb.com>
Wed, 10 Jun 2015 16:26:17 +0000 (09:26 -0700)
commitd4b804045924d7f8d2ea988be22c4b9e6492ec11
tree9b866bbf41de8dfa612f1f50575b62f01f26cfae
parente69bcee37692f5d8c557335ddd2444cb4afe0005
btrfs: ulist: Add ulist_del() function.

This function will delete unode with given (val,aux) pair.
And with this patch, seqnum for debug usage doesn't have any meaning
now, so remove them.

This is used by later patches to skip snapshot root.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
fs/btrfs/ulist.c
fs/btrfs/ulist.h