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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
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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/dmu_objset.c
+3 -3
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@@ -78,16 +78,16 @@ krwlock_t os_lock;
* datasets.
* Default is 4 times the number of leaf vdevs.
*/
int dmu_find_threads = 0;
static const int dmu_find_threads = 0;
/*
* Backfill lower metadnode objects after this many have been freed.
* Backfilling negatively impacts object creation rates, so only do it
* if there are enough holes to fill.
*/
int dmu_rescan_dnode_threshold = 1 << DN_MAX_INDBLKSHIFT;
static const int dmu_rescan_dnode_threshold = 1 << DN_MAX_INDBLKSHIFT;
static char *upgrade_tag = "upgrade_tag";
static const char *upgrade_tag = "upgrade_tag";
static void dmu_objset_find_dp_cb(void *arg);