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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/spa_stats.c
+5 -5
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@@ -28,22 +28,22 @@
/*
* Keeps stats on last N reads per spa_t, disabled by default.
*/
int zfs_read_history = 0;
static int zfs_read_history = B_FALSE;
/*
* Include cache hits in history, disabled by default.
*/
int zfs_read_history_hits = 0;
static int zfs_read_history_hits = B_FALSE;
/*
* Keeps stats on the last 100 txgs by default.
*/
int zfs_txg_history = 100;
static int zfs_txg_history = 100;
/*
* Keeps stats on the last N MMP updates, disabled by default.
*/
int zfs_multihost_history = 0;
int zfs_multihost_history = B_FALSE;
/*
* ==========================================================================
@@ -830,7 +830,7 @@ spa_health_destroy(spa_t *spa)
mutex_destroy(&shk->lock);
}
static spa_iostats_t spa_iostats_template = {
static const spa_iostats_t spa_iostats_template = {
{ "trim_extents_written", KSTAT_DATA_UINT64 },
{ "trim_bytes_written", KSTAT_DATA_UINT64 },
{ "trim_extents_skipped", KSTAT_DATA_UINT64 },