[PATCH 5/6] ext2 balloc: say rb_entry not list_entry

From: Hugh Dickins
Date: Tue Nov 28 2006 - 12:43:41 EST


The reservations tree is an rb_tree not a list, so it's less confusing to
use rb_entry() than list_entry() - though they're both just container_of().

Signed-off-by: Hugh Dickins <hugh@xxxxxxxxxxx>
---

fs/ext2/balloc.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

--- 2.6.19-rc6-mm2/fs/ext2/balloc.c 2006-11-24 08:18:02.000000000 +0000
+++ linux/fs/ext2/balloc.c 2006-11-27 19:28:41.000000000 +0000
@@ -156,7 +156,7 @@ restart:

printk("Block Allocation Reservation Windows Map (%s):\n", fn);
while (n) {
- rsv = list_entry(n, struct ext2_reserve_window_node, rsv_node);
+ rsv = rb_entry(n, struct ext2_reserve_window_node, rsv_node);
if (verbose)
printk("reservation window 0x%p "
"start: %lu, end: %lu\n",
@@ -753,7 +753,7 @@ static int find_next_reservable_window(

prev = rsv;
next = rb_next(&rsv->rsv_node);
- rsv = list_entry(next,struct ext2_reserve_window_node,rsv_node);
+ rsv = rb_entry(next,struct ext2_reserve_window_node,rsv_node);

/*
* Reached the last reservation, we can just append to the
@@ -995,7 +995,7 @@ static void try_to_extend_reservation(st
if (!next)
my_rsv->rsv_end += size;
else {
- next_rsv = list_entry(next, struct ext2_reserve_window_node, rsv_node);
+ next_rsv = rb_entry(next, struct ext2_reserve_window_node, rsv_node);

if ((next_rsv->rsv_start - my_rsv->rsv_end - 1) >= size)
my_rsv->rsv_end += size;
-
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