[PATCH] ext3 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>
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@ -144,7 +144,7 @@ restart:
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printk("Block Allocation Reservation Windows Map (%s):\n", fn);
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while (n) {
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rsv = list_entry(n, struct ext3_reserve_window_node, rsv_node);
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rsv = rb_entry(n, struct ext3_reserve_window_node, rsv_node);
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if (verbose)
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printk("reservation window 0x%p "
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"start: %lu, end: %lu\n",
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@ -949,7 +949,7 @@ static int find_next_reservable_window(
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prev = rsv;
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next = rb_next(&rsv->rsv_node);
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rsv = list_entry(next,struct ext3_reserve_window_node,rsv_node);
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rsv = rb_entry(next,struct ext3_reserve_window_node,rsv_node);
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/*
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* Reached the last reservation, we can just append to the
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@ -1193,7 +1193,7 @@ static void try_to_extend_reservation(struct ext3_reserve_window_node *my_rsv,
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if (!next)
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my_rsv->rsv_end += size;
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else {
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next_rsv = list_entry(next, struct ext3_reserve_window_node, rsv_node);
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next_rsv = rb_entry(next, struct ext3_reserve_window_node, rsv_node);
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if ((next_rsv->rsv_start - my_rsv->rsv_end - 1) >= size)
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my_rsv->rsv_end += size;
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