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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_indirect.c
+5 -5
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@@ -172,7 +172,7 @@
* object.
*/
int zfs_condense_indirect_vdevs_enable = B_TRUE;
static int zfs_condense_indirect_vdevs_enable = B_TRUE;
/*
* Condense if at least this percent of the bytes in the mapping is
@@ -181,7 +181,7 @@ int zfs_condense_indirect_vdevs_enable = B_TRUE;
* condenses. Higher values will condense less often (causing less
* i/o); lower values will reduce the mapping size more quickly.
*/
int zfs_condense_indirect_obsolete_pct = 25;
static int zfs_condense_indirect_obsolete_pct = 25;
/*
* Condense if the obsolete space map takes up more than this amount of
@@ -189,14 +189,14 @@ int zfs_condense_indirect_obsolete_pct = 25;
* consumed by the obsolete space map; the default of 1GB is small enough
* that we typically don't mind "wasting" it.
*/
unsigned long zfs_condense_max_obsolete_bytes = 1024 * 1024 * 1024;
static unsigned long zfs_condense_max_obsolete_bytes = 1024 * 1024 * 1024;
/*
* Don't bother condensing if the mapping uses less than this amount of
* memory. The default of 128KB is considered a "trivial" amount of
* memory and not worth reducing.
*/
unsigned long zfs_condense_min_mapping_bytes = 128 * 1024;
static unsigned long zfs_condense_min_mapping_bytes = 128 * 1024;
/*
* This is used by the test suite so that it can ensure that certain
@@ -204,7 +204,7 @@ unsigned long zfs_condense_min_mapping_bytes = 128 * 1024;
* complete too quickly). If used to reduce the performance impact of
* condensing in production, a maximum value of 1 should be sufficient.
*/
int zfs_condense_indirect_commit_entry_delay_ms = 0;
static int zfs_condense_indirect_commit_entry_delay_ms = 0;
/*
* If an indirect split block contains more than this many possible unique