From f64f12079c81236a413f603304b66f3b56ba6181 Mon Sep 17 00:00:00 2001
From: Rob Norris <rob.norris@truenas.com>
Date: Mon, 9 Mar 2026 11:51:31 +1100
Subject: [PATCH] libspl/mnttab: remove getmntany()

Only used for when the mount cache was disabled, but since its always
enabled now, we don't need it.

Sponsored-by: TrueNAS
Reviewed-by: Ameer Hamza <ahamza@ixsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <rob.norris@truenas.com>
Closes #18296
---
 lib/libspl/include/os/freebsd/sys/mnttab.h |  1 -
 lib/libspl/include/os/linux/sys/mnttab.h   |  1 -
 lib/libspl/os/freebsd/mnttab.c             | 35 +---------------------
 lib/libspl/os/linux/mnttab.c               | 17 -----------
 4 files changed, 1 insertion(+), 53 deletions(-)

diff --git a/lib/libspl/include/os/freebsd/sys/mnttab.h b/lib/libspl/include/os/freebsd/sys/mnttab.h
index e520bf5ef..0d47f8e48 100644
--- a/lib/libspl/include/os/freebsd/sys/mnttab.h
+++ b/lib/libspl/include/os/freebsd/sys/mnttab.h
@@ -75,7 +75,6 @@ struct extmnttab {
 struct stat64;
 struct statfs;
 
-extern int getmntany(FILE *fp, struct mnttab *mp, struct mnttab *mpref);
 extern int _sol_getmntent(FILE *fp, struct mnttab *mp);
 extern int getextmntent(const char *path, struct extmnttab *entry,
     struct stat64 *statbuf);
diff --git a/lib/libspl/include/os/linux/sys/mnttab.h b/lib/libspl/include/os/linux/sys/mnttab.h
index c1b7f3b38..d37172748 100644
--- a/lib/libspl/include/os/linux/sys/mnttab.h
+++ b/lib/libspl/include/os/linux/sys/mnttab.h
@@ -71,7 +71,6 @@ struct extmnttab {
 
 struct statfs;
 
-extern int getmntany(FILE *fp, struct mnttab *mp, struct mnttab *mpref);
 extern int _sol_getmntent(FILE *fp, struct mnttab *mp);
 extern int getextmntent(const char *path, struct extmnttab *mp,
     struct stat64 *statbuf);
diff --git a/lib/libspl/os/freebsd/mnttab.c b/lib/libspl/os/freebsd/mnttab.c
index 5287da132..db7caba9f 100644
--- a/lib/libspl/os/freebsd/mnttab.c
+++ b/lib/libspl/os/freebsd/mnttab.c
@@ -26,8 +26,7 @@
  */
 
 /*
- * This file implements Solaris compatible getmntany() and hasmntopt()
- * functions.
+ * This file implements Solaris compatible hasmntopt() functions.
  */
 
 #include <sys/param.h>
@@ -176,38 +175,6 @@ fail:
 	return (error);
 }
 
-int
-getmntany(FILE *fd __unused, struct mnttab *mgetp, struct mnttab *mrefp)
-{
-	int i, error;
-
-	error = statfs_init();
-	if (error != 0)
-		return (error);
-
-	(void) pthread_rwlock_rdlock(&gsfs_lock);
-
-	for (i = 0; i < allfs; i++) {
-		if (mrefp->mnt_special != NULL &&
-		    strcmp(mrefp->mnt_special, gsfs[i].f_mntfromname) != 0) {
-			continue;
-		}
-		if (mrefp->mnt_mountp != NULL &&
-		    strcmp(mrefp->mnt_mountp, gsfs[i].f_mntonname) != 0) {
-			continue;
-		}
-		if (mrefp->mnt_fstype != NULL &&
-		    strcmp(mrefp->mnt_fstype, gsfs[i].f_fstypename) != 0) {
-			continue;
-		}
-		statfs2mnttab(&gsfs[i], mgetp);
-		(void) pthread_rwlock_unlock(&gsfs_lock);
-		return (0);
-	}
-	(void) pthread_rwlock_unlock(&gsfs_lock);
-	return (-1);
-}
-
 int
 getmntent(FILE *fp, struct mnttab *mp)
 {
diff --git a/lib/libspl/os/linux/mnttab.c b/lib/libspl/os/linux/mnttab.c
index ee1cdf59b..ee103622c 100644
--- a/lib/libspl/os/linux/mnttab.c
+++ b/lib/libspl/os/linux/mnttab.c
@@ -45,23 +45,6 @@
 
 static __thread char buf[BUFSIZE];
 
-#define	DIFF(xx)	( \
-	    (mrefp->xx != NULL) && \
-	    (mgetp->xx == NULL || strcmp(mrefp->xx, mgetp->xx) != 0))
-
-int
-getmntany(FILE *fp, struct mnttab *mgetp, struct mnttab *mrefp)
-{
-	int ret;
-
-	while (
-	    ((ret = _sol_getmntent(fp, mgetp)) == 0) && (
-	    DIFF(mnt_special) || DIFF(mnt_mountp) ||
-	    DIFF(mnt_fstype) || DIFF(mnt_mntopts))) { }
-
-	return (ret);
-}
-
 int
 _sol_getmntent(FILE *fp, struct mnttab *mgetp)
 {