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Move range_tree, btree, highbit64 to common code

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Break out the range_tree, btree, and highbit64/lowbit64 code from kernel
space into shared kernel and userspace code.  This is needed for the
updated `zpool status -vv` error byte range reporting that will be
coming in a future commit.  That commit needs the range_tree code in
kernel and userspace.

Reviewed-by: Rob Norris <robn@despairlabs.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #18133
This commit is contained in:
Tony Hutter
2026-02-22 11:43:51 -08:00
committed by GitHub
parent 168023b603
commit d2f5cb3a50
15 changed files with 117 additions and 88 deletions
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cmd/zpool/zpool_util.c
-26
View File
@@ -114,29 +114,3 @@ array64_max(uint64_t array[], unsigned int len)
return (max);
}
/*
* Find highest one bit set.
* Returns bit number + 1 of highest bit that is set, otherwise returns 0.
*/
int
highbit64(uint64_t i)
{
if (i == 0)
return (0);
return (NBBY * sizeof (uint64_t) - __builtin_clzll(i));
}
/*
* Find lowest one bit set.
* Returns bit number + 1 of lowest bit that is set, otherwise returns 0.
*/
int
lowbit64(uint64_t i)
{
if (i == 0)
return (0);
return (__builtin_ffsll(i));
}
cmd/zpool/zpool_util.h
-2
View File
@@ -45,8 +45,6 @@ void *safe_realloc(void *, size_t);
void zpool_no_memory(void);
uint_t num_logs(nvlist_t *nv);
uint64_t array64_max(uint64_t array[], unsigned int len);
int highbit64(uint64_t i);
int lowbit64(uint64_t i);
/*
* Misc utility functions