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libspl: hide zfs_tunable_* symbols

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The zfs_tunable_* functions are a public interface which are
part of the internal libspl convenience library.  They should
be hidden to prevent an unnecessary ABI change in installed
libraries which link against libspl (e.g. libzfs_core, libuutil).

We do already leak long standing libspl symbols.  This commit is
solely intended to prevent leaking these new ones until this is
properly sorted out.

Reviewed-by: Rob Norris <robn@despairlabs.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #17911
This commit is contained in:
Brian Behlendorf 2025-11-11 17:11:54 -08:00
parent 5b2489caf2
commit 5714090fb9
1 changed files with 7 additions and 5 deletions
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12
lib/libspl/include/sys/tunables.h
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@ -25,7 +25,7 @@
*/
#ifndef _SYS_TUNABLES_H
#define _SYS_TUNABLES_H
#define _SYS_TUNABLES_H extern __attribute__((visibility("hidden")))
typedef enum {
ZFS_TUNABLE_TYPE_INT,
@ -49,12 +49,14 @@ typedef struct zfs_tunable {
const char *zt_desc;
} zfs_tunable_t;
int zfs_tunable_set(const zfs_tunable_t *tunable, const char *val);
int zfs_tunable_get(const zfs_tunable_t *tunable, char *val, size_t valsz);
_SYS_TUNABLES_H int zfs_tunable_set(const zfs_tunable_t *tunable,
const char *val);
_SYS_TUNABLES_H int zfs_tunable_get(const zfs_tunable_t *tunable, char *val,
size_t valsz);
const zfs_tunable_t *zfs_tunable_lookup(const char *name);
_SYS_TUNABLES_H const zfs_tunable_t *zfs_tunable_lookup(const char *name);
typedef int (*zfs_tunable_iter_t)(const zfs_tunable_t *tunable, void *arg);
void zfs_tunable_iter(zfs_tunable_iter_t cb, void *arg);
_SYS_TUNABLES_H void zfs_tunable_iter(zfs_tunable_iter_t cb, void *arg);
#endif