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authorJens Axboe <jens.axboe@oracle.com>2009-11-03 15:14:39 -0500
committerJens Axboe <jens.axboe@oracle.com>2009-11-03 15:14:39 -0500
commit2058297d2d045cb57138c33b87cfabcc80e65186 (patch)
tree7ccffd0e162cbd7471f643561e79f23abb989a62 /drivers/md/unroll.awk
parent150e6c67f4bf6ab51e62defc41bd19a2eefe5709 (diff)
parent4b27e1bb442e964903f8a3fa6bdf33a602dc0941 (diff)
Merge branch 'for-linus' into for-2.6.33
Conflicts: block/cfq-iosched.c Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/md/unroll.awk')
-rw-r--r--drivers/md/unroll.awk20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/md/unroll.awk b/drivers/md/unroll.awk
new file mode 100644
index 000000000000..c6aa03631df8
--- /dev/null
+++ b/drivers/md/unroll.awk
@@ -0,0 +1,20 @@
1
2# This filter requires one command line option of form -vN=n
3# where n must be a decimal number.
4#
5# Repeat each input line containing $$ n times, replacing $$ with 0...n-1.
6# Replace each $# with n, and each $* with a single $.
7
8BEGIN {
9 n = N + 0
10}
11{
12 if (/\$\$/) { rep = n } else { rep = 1 }
13 for (i = 0; i < rep; ++i) {
14 tmp = $0
15 gsub(/\$\$/, i, tmp)
16 gsub(/\$\#/, n, tmp)
17 gsub(/\$\*/, "$", tmp)
18 print tmp
19 }
20}