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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_queue.c
+25 -25
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@@ -141,24 +141,24 @@ uint32_t zfs_vdev_max_active = 1000;
* more quickly, but reads and writes to have higher latency and lower
* throughput.
*/
uint32_t zfs_vdev_sync_read_min_active = 10;
uint32_t zfs_vdev_sync_read_max_active = 10;
uint32_t zfs_vdev_sync_write_min_active = 10;
uint32_t zfs_vdev_sync_write_max_active = 10;
uint32_t zfs_vdev_async_read_min_active = 1;
uint32_t zfs_vdev_async_read_max_active = 3;
uint32_t zfs_vdev_async_write_min_active = 2;
uint32_t zfs_vdev_async_write_max_active = 10;
uint32_t zfs_vdev_scrub_min_active = 1;
uint32_t zfs_vdev_scrub_max_active = 3;
uint32_t zfs_vdev_removal_min_active = 1;
uint32_t zfs_vdev_removal_max_active = 2;
uint32_t zfs_vdev_initializing_min_active = 1;
uint32_t zfs_vdev_initializing_max_active = 1;
uint32_t zfs_vdev_trim_min_active = 1;
uint32_t zfs_vdev_trim_max_active = 2;
uint32_t zfs_vdev_rebuild_min_active = 1;
uint32_t zfs_vdev_rebuild_max_active = 3;
static uint32_t zfs_vdev_sync_read_min_active = 10;
static uint32_t zfs_vdev_sync_read_max_active = 10;
static uint32_t zfs_vdev_sync_write_min_active = 10;
static uint32_t zfs_vdev_sync_write_max_active = 10;
static uint32_t zfs_vdev_async_read_min_active = 1;
/* */ uint32_t zfs_vdev_async_read_max_active = 3;
static uint32_t zfs_vdev_async_write_min_active = 2;
/* */ uint32_t zfs_vdev_async_write_max_active = 10;
static uint32_t zfs_vdev_scrub_min_active = 1;
static uint32_t zfs_vdev_scrub_max_active = 3;
static uint32_t zfs_vdev_removal_min_active = 1;
static uint32_t zfs_vdev_removal_max_active = 2;
static uint32_t zfs_vdev_initializing_min_active = 1;
static uint32_t zfs_vdev_initializing_max_active = 1;
static uint32_t zfs_vdev_trim_min_active = 1;
static uint32_t zfs_vdev_trim_max_active = 2;
static uint32_t zfs_vdev_rebuild_min_active = 1;
static uint32_t zfs_vdev_rebuild_max_active = 3;
/*
* When the pool has less than zfs_vdev_async_write_active_min_dirty_percent
@@ -178,7 +178,7 @@ int zfs_vdev_async_write_active_max_dirty_percent = 60;
* interactive I/O, then the vdev is considered to be "idle", and the number
* of concurrently-active non-interactive I/O's is increased to *_max_active.
*/
uint_t zfs_vdev_nia_delay = 5;
static uint_t zfs_vdev_nia_delay = 5;
/*
* Some HDDs tend to prioritize sequential I/O so high that concurrent
@@ -190,7 +190,7 @@ uint_t zfs_vdev_nia_delay = 5;
* I/Os. This enforced wait ensures the HDD services the interactive I/O
* within a reasonable amount of time.
*/
uint_t zfs_vdev_nia_credit = 5;
static uint_t zfs_vdev_nia_credit = 5;
/*
* To reduce IOPs, we aggregate small adjacent I/Os into one large I/O.
@@ -198,10 +198,10 @@ uint_t zfs_vdev_nia_credit = 5;
* we include spans of optional I/Os to aid aggregation at the disk even when
* they aren't able to help us aggregate at this level.
*/
int zfs_vdev_aggregation_limit = 1 << 20;
int zfs_vdev_aggregation_limit_non_rotating = SPA_OLD_MAXBLOCKSIZE;
int zfs_vdev_read_gap_limit = 32 << 10;
int zfs_vdev_write_gap_limit = 4 << 10;
static int zfs_vdev_aggregation_limit = 1 << 20;
static int zfs_vdev_aggregation_limit_non_rotating = SPA_OLD_MAXBLOCKSIZE;
static int zfs_vdev_read_gap_limit = 32 << 10;
static int zfs_vdev_write_gap_limit = 4 << 10;
/*
* Define the queue depth percentage for each top-level. This percentage is
@@ -233,7 +233,7 @@ int zfs_vdev_def_queue_depth = 32;
* TRIM I/O for extents up to zfs_trim_extent_bytes_max (128M) can be submitted
* by the TRIM code in zfs_trim.c.
*/
int zfs_vdev_aggregate_trim = 0;
static int zfs_vdev_aggregate_trim = 0;
static int
vdev_queue_offset_compare(const void *x1, const void *x2)