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ext4: mballoc: avoid 20-argument function call

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Making a function call with 20 arguments is rather expensive in both
stack and .text. In this case, doing the formatting manually doesn't
make it any less readable, so we might as well save 155 bytes of .text
and 112 bytes of stack.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
This commit is contained in:
Rasmus Villemoes 2015-06-15 00:32:58 -04:00 committed by Theodore Ts'o
parent 0d306dcf86
commit 97b4af2f76
1 changed files with 3 additions and 6 deletions
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9
fs/ext4/mballoc.c
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@ -2275,12 +2275,9 @@ static int ext4_mb_seq_groups_show(struct seq_file *seq, void *v)
group--;
if (group == 0)
seq_printf(seq, "#%-5s: %-5s %-5s %-5s "
"[ %-5s %-5s %-5s %-5s %-5s %-5s %-5s "
"%-5s %-5s %-5s %-5s %-5s %-5s %-5s ]\n",
"group", "free", "frags", "first",
"2^0", "2^1", "2^2", "2^3", "2^4", "2^5", "2^6",
"2^7", "2^8", "2^9", "2^10", "2^11", "2^12", "2^13");
seq_puts(seq, "#group: free frags first ["
" 2^0 2^1 2^2 2^3 2^4 2^5 2^6 "
" 2^7 2^8 2^9 2^10 2^11 2^12 2^13 ]");
i = (sb->s_blocksize_bits + 2) * sizeof(sg.info.bb_counters[0]) +
sizeof(struct ext4_group_info);