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module/*.ko: prune .data, global .rodata

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Evaluated every variable that lives in .data (and globals in .rodata)
in the kernel modules, and constified/eliminated/localised them
appropriately. This means that all read-only data is now actually
read-only data, and, if possible, at file scope. A lot of previously-
global-symbols became inlinable (and inlined!) constants. Probably
not in a big Wowee Performance Moment, but hey.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12899
This commit is contained in:
наб
2022-01-15 00:37:55 +01:00
committed by GitHub
parent 7adc190098
commit 18168da727
147 changed files with 781 additions and 876 deletions
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module/zfs/vdev_raidz_math.c
+6 -9
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@@ -43,7 +43,7 @@ static raidz_impl_ops_t vdev_raidz_fastest_impl = {
};
/* All compiled in implementations */
const raidz_impl_ops_t *raidz_all_maths[] = {
static const raidz_impl_ops_t *const raidz_all_maths[] = {
&vdev_raidz_original_impl,
&vdev_raidz_scalar_impl,
#if defined(__x86_64) && defined(HAVE_SSE2) /* only x86_64 for now */
@@ -268,10 +268,10 @@ vdev_raidz_math_reconstruct(raidz_map_t *rm, raidz_row_t *rr,
return (rec_fn(rr, dt));
}
const char *raidz_gen_name[] = {
const char *const raidz_gen_name[] = {
"gen_p", "gen_pq", "gen_pqr"
};
const char *raidz_rec_name[] = {
const char *const raidz_rec_name[] = {
"rec_p", "rec_q", "rec_r",
"rec_pq", "rec_pr", "rec_qr", "rec_pqr"
};
@@ -283,18 +283,15 @@ const char *raidz_rec_name[] = {
static int
raidz_math_kstat_headers(char *buf, size_t size)
{
int i;
ssize_t off;
ASSERT3U(size, >=, RAIDZ_KSTAT_LINE_LEN);
off = snprintf(buf, size, "%-17s", "implementation");
ssize_t off = snprintf(buf, size, "%-17s", "implementation");
for (i = 0; i < ARRAY_SIZE(raidz_gen_name); i++)
for (int i = 0; i < ARRAY_SIZE(raidz_gen_name); i++)
off += snprintf(buf + off, size - off, "%-16s",
raidz_gen_name[i]);
for (i = 0; i < ARRAY_SIZE(raidz_rec_name); i++)
for (int i = 0; i < ARRAY_SIZE(raidz_rec_name); i++)
off += snprintf(buf + off, size - off, "%-16s",
raidz_rec_name[i]);