[PATCH] ext4 balloc: say rb_entry not list_entry
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: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index c5589b3f..8e7249e 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -165,7 +165,7 @@
printk("Block Allocation Reservation Windows Map (%s):\n", fn);
while (n) {
- rsv = list_entry(n, struct ext4_reserve_window_node, rsv_node);
+ rsv = rb_entry(n, struct ext4_reserve_window_node, rsv_node);
if (verbose)
printk("reservation window 0x%p "
"start: %llu, end: %llu\n",
@@ -966,7 +966,7 @@
prev = rsv;
next = rb_next(&rsv->rsv_node);
- rsv = list_entry(next,struct ext4_reserve_window_node,rsv_node);
+ rsv = rb_entry(next,struct ext4_reserve_window_node,rsv_node);
/*
* Reached the last reservation, we can just append to the
@@ -1210,7 +1210,7 @@
if (!next)
my_rsv->rsv_end += size;
else {
- next_rsv = list_entry(next, struct ext4_reserve_window_node, rsv_node);
+ next_rsv = rb_entry(next, struct ext4_reserve_window_node, rsv_node);
if ((next_rsv->rsv_start - my_rsv->rsv_end - 1) >= size)
my_rsv->rsv_end += size;