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authorHugh Dickins <hugh@veritas.com>2006-12-07 05:39:21 +0100
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 17:39:42 +0100
commitb78a657f0a64134b3813bbdf4e1853d1420eb8d4 (patch)
tree78fce2530b5054624ebcfdbf10fd10ad1b8466ed /fs/ext4/balloc.c
parent[PATCH] ext4 balloc: fix off-by-one against rsv_end (diff)
downloadlinux-b78a657f0a64134b3813bbdf4e1853d1420eb8d4.tar.xz
linux-b78a657f0a64134b3813bbdf4e1853d1420eb8d4.zip
[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>
Diffstat (limited to 'fs/ext4/balloc.c')
-rw-r--r--fs/ext4/balloc.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index c5589b3f58e8..8e7249e3e39d 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -165,7 +165,7 @@ restart:
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 @@ static int find_next_reservable_window(
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 @@ static void try_to_extend_reservation(struct ext4_reserve_window_node *my_rsv,
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;