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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/zcommon/zfs_comutil.c
+5 -13
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@@ -158,13 +158,11 @@ static zfs_version_spa_map_t zfs_version_table[] = {
int
zfs_zpl_version_map(int spa_version)
{
int i;
int version = -1;
for (i = 0; zfs_version_table[i].version_spa; i++) {
for (int i = 0; zfs_version_table[i].version_spa; i++)
if (spa_version >= zfs_version_table[i].version_spa)
version = zfs_version_table[i].version_zpl;
}
return (version);
}
@@ -176,22 +174,18 @@ zfs_zpl_version_map(int spa_version)
int
zfs_spa_version_map(int zpl_version)
{
int i;
int version = -1;
for (i = 0; zfs_version_table[i].version_zpl; i++) {
for (int i = 0; zfs_version_table[i].version_zpl; i++)
if (zfs_version_table[i].version_zpl >= zpl_version)
return (zfs_version_table[i].version_spa);
}
return (version);
return (-1);
}
/*
* This is the table of legacy internal event names; it should not be modified.
* The internal events are now stored in the history log as strings.
*/
const char *zfs_history_event_names[ZFS_NUM_LEGACY_HISTORY_EVENTS] = {
const char *const zfs_history_event_names[ZFS_NUM_LEGACY_HISTORY_EVENTS] = {
"invalid event",
"pool create",
"vdev add",
@@ -243,9 +237,7 @@ zfs_dataset_name_hidden(const char *name)
* internal datasets (which have a $ in their name), and
* temporary datasets (which have a % in their name).
*/
if (strchr(name, '$') != NULL)
return (B_TRUE);
if (strchr(name, '%') != NULL)
if (strpbrk(name, "$%") != NULL)
return (B_TRUE);
if (!INGLOBALZONE(curproc) && !zone_dataset_visible(name, NULL))
return (B_TRUE);