diff --git a/config/kernel-inode-times.m4 b/config/kernel-inode-times.m4
index 9c016c790..412e13b47 100644
--- a/config/kernel-inode-times.m4
+++ b/config/kernel-inode-times.m4
@@ -27,6 +27,31 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_INODE_TIMES], [
 		memset(&ip, 0, sizeof(ip));
 		ts = ip.i_mtime;
 	])
+
+	dnl #
+	dnl # 6.6 API change
+	dnl # i_ctime no longer directly accessible, must use
+	dnl # inode_get_ctime(ip), inode_set_ctime*(ip) to
+	dnl # read/write.
+	dnl #
+	ZFS_LINUX_TEST_SRC([inode_get_ctime], [
+		#include <linux/fs.h>
+	],[
+		struct inode ip;
+
+		memset(&ip, 0, sizeof(ip));
+		inode_get_ctime(&ip);
+	])
+
+	ZFS_LINUX_TEST_SRC([inode_set_ctime_to_ts], [
+		#include <linux/fs.h>
+	],[
+		struct inode ip;
+		struct timespec64 ts;
+
+		memset(&ip, 0, sizeof(ip));
+		inode_set_ctime_to_ts(&ip, ts);
+	])
 ])
 
 AC_DEFUN([ZFS_AC_KERNEL_INODE_TIMES], [
@@ -47,4 +72,22 @@ AC_DEFUN([ZFS_AC_KERNEL_INODE_TIMES], [
 		AC_DEFINE(HAVE_INODE_TIMESPEC64_TIMES, 1,
 		    [inode->i_*time's are timespec64])
 	])
+
+	AC_MSG_CHECKING([whether inode_get_ctime() exists])
+	ZFS_LINUX_TEST_RESULT([inode_get_ctime], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_INODE_GET_CTIME, 1,
+		    [inode_get_ctime() exists in linux/fs.h])
+	],[
+		AC_MSG_RESULT(no)
+	])
+
+	AC_MSG_CHECKING([whether inode_set_ctime_to_ts() exists])
+	ZFS_LINUX_TEST_RESULT([inode_set_ctime_to_ts], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_INODE_SET_CTIME_TO_TS, 1,
+		    [inode_set_ctime_to_ts() exists in linux/fs.h])
+	],[
+		AC_MSG_RESULT(no)
+	])
 ])
diff --git a/include/os/linux/zfs/sys/zpl.h b/include/os/linux/zfs/sys/zpl.h
index 0bd20f648..f4f1dcf95 100644
--- a/include/os/linux/zfs/sys/zpl.h
+++ b/include/os/linux/zfs/sys/zpl.h
@@ -263,4 +263,15 @@ extern long zpl_ioctl_fideduperange(struct file *filp, void *arg);
 #define	zpl_setattr_prepare(ns, dentry, ia)	setattr_prepare(dentry, ia)
 #endif
 
+#ifdef HAVE_INODE_GET_CTIME
+#define	zpl_inode_get_ctime(ip)	inode_get_ctime(ip)
+#else
+#define	zpl_inode_get_ctime(ip)	(ip->i_ctime)
+#endif
+#ifdef HAVE_INODE_SET_CTIME_TO_TS
+#define	zpl_inode_set_ctime_to_ts(ip, ts)	inode_set_ctime_to_ts(ip, ts)
+#else
+#define	zpl_inode_set_ctime_to_ts(ip, ts)	(ip->i_ctime = ts)
+#endif
+
 #endif	/* _SYS_ZPL_H */
diff --git a/module/os/linux/zfs/zfs_ctldir.c b/module/os/linux/zfs/zfs_ctldir.c
index 02cb379ea..94e25fa0a 100644
--- a/module/os/linux/zfs/zfs_ctldir.c
+++ b/module/os/linux/zfs/zfs_ctldir.c
@@ -522,7 +522,7 @@ zfsctl_inode_alloc(zfsvfs_t *zfsvfs, uint64_t id,
 	ip->i_blkbits = SPA_MINBLOCKSHIFT;
 	ip->i_atime = now;
 	ip->i_mtime = now;
-	ip->i_ctime = now;
+	zpl_inode_set_ctime_to_ts(ip, now);
 	ip->i_fop = fops;
 	ip->i_op = ops;
 #if defined(IOP_XATTR)
diff --git a/module/os/linux/zfs/zfs_vnops_os.c b/module/os/linux/zfs/zfs_vnops_os.c
index 33baac9db..03865661d 100644
--- a/module/os/linux/zfs/zfs_vnops_os.c
+++ b/module/os/linux/zfs/zfs_vnops_os.c
@@ -2442,8 +2442,8 @@ top:
 
 	if (mask & (ATTR_CTIME | ATTR_SIZE)) {
 		ZFS_TIME_ENCODE(&vap->va_ctime, ctime);
-		ZTOI(zp)->i_ctime = zpl_inode_timestamp_truncate(vap->va_ctime,
-		    ZTOI(zp));
+		zpl_inode_set_ctime_to_ts(ZTOI(zp),
+		    zpl_inode_timestamp_truncate(vap->va_ctime, ZTOI(zp)));
 		SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_CTIME(zfsvfs), NULL,
 		    ctime, sizeof (ctime));
 	}
@@ -3648,6 +3648,7 @@ zfs_putpage(struct inode *ip, struct page *pp, struct writeback_control *wbc,
 	caddr_t		va;
 	int		err = 0;
 	uint64_t	mtime[2], ctime[2];
+	inode_timespec_t tmp_ctime;
 	sa_bulk_attr_t	bulk[3];
 	int		cnt = 0;
 	struct address_space *mapping;
@@ -3812,7 +3813,8 @@ zfs_putpage(struct inode *ip, struct page *pp, struct writeback_control *wbc,
 
 	/* Preserve the mtime and ctime provided by the inode */
 	ZFS_TIME_ENCODE(&ip->i_mtime, mtime);
-	ZFS_TIME_ENCODE(&ip->i_ctime, ctime);
+	tmp_ctime = zpl_inode_get_ctime(ip);
+	ZFS_TIME_ENCODE(&tmp_ctime, ctime);
 	zp->z_atime_dirty = B_FALSE;
 	zp->z_seq++;
 
@@ -3862,6 +3864,7 @@ zfs_dirty_inode(struct inode *ip, int flags)
 	zfsvfs_t	*zfsvfs = ITOZSB(ip);
 	dmu_tx_t	*tx;
 	uint64_t	mode, atime[2], mtime[2], ctime[2];
+	inode_timespec_t tmp_ctime;
 	sa_bulk_attr_t	bulk[4];
 	int		error = 0;
 	int		cnt = 0;
@@ -3908,7 +3911,8 @@ zfs_dirty_inode(struct inode *ip, int flags)
 	/* Preserve the mode, mtime and ctime provided by the inode */
 	ZFS_TIME_ENCODE(&ip->i_atime, atime);
 	ZFS_TIME_ENCODE(&ip->i_mtime, mtime);
-	ZFS_TIME_ENCODE(&ip->i_ctime, ctime);
+	tmp_ctime = zpl_inode_get_ctime(ip);
+	ZFS_TIME_ENCODE(&tmp_ctime, ctime);
 	mode = ip->i_mode;
 
 	zp->z_mode = mode;
diff --git a/module/os/linux/zfs/zfs_znode.c b/module/os/linux/zfs/zfs_znode.c
index 52c8e51df..f71026da8 100644
--- a/module/os/linux/zfs/zfs_znode.c
+++ b/module/os/linux/zfs/zfs_znode.c
@@ -542,6 +542,7 @@ zfs_znode_alloc(zfsvfs_t *zfsvfs, dmu_buf_t *db, int blksz,
 	uint64_t links;
 	uint64_t z_uid, z_gid;
 	uint64_t atime[2], mtime[2], ctime[2], btime[2];
+	inode_timespec_t tmp_ctime;
 	uint64_t projid = ZFS_DEFAULT_PROJID;
 	sa_bulk_attr_t bulk[12];
 	int count = 0;
@@ -615,7 +616,8 @@ zfs_znode_alloc(zfsvfs_t *zfsvfs, dmu_buf_t *db, int blksz,
 
 	ZFS_TIME_DECODE(&ip->i_atime, atime);
 	ZFS_TIME_DECODE(&ip->i_mtime, mtime);
-	ZFS_TIME_DECODE(&ip->i_ctime, ctime);
+	ZFS_TIME_DECODE(&tmp_ctime, ctime);
+	zpl_inode_set_ctime_to_ts(ip, tmp_ctime);
 	ZFS_TIME_DECODE(&zp->z_btime, btime);
 
 	ip->i_ino = zp->z_id;
@@ -1195,6 +1197,7 @@ zfs_rezget(znode_t *zp)
 	uint64_t gen;
 	uint64_t z_uid, z_gid;
 	uint64_t atime[2], mtime[2], ctime[2], btime[2];
+	inode_timespec_t tmp_ctime;
 	uint64_t projid = ZFS_DEFAULT_PROJID;
 	znode_hold_t *zh;
 
@@ -1289,7 +1292,8 @@ zfs_rezget(znode_t *zp)
 
 	ZFS_TIME_DECODE(&ZTOI(zp)->i_atime, atime);
 	ZFS_TIME_DECODE(&ZTOI(zp)->i_mtime, mtime);
-	ZFS_TIME_DECODE(&ZTOI(zp)->i_ctime, ctime);
+	ZFS_TIME_DECODE(&tmp_ctime, ctime);
+	zpl_inode_set_ctime_to_ts(ZTOI(zp), tmp_ctime);
 	ZFS_TIME_DECODE(&zp->z_btime, btime);
 
 	if ((uint32_t)gen != ZTOI(zp)->i_generation) {
@@ -1397,7 +1401,7 @@ zfs_zinactive(znode_t *zp)
 boolean_t
 zfs_relatime_need_update(const struct inode *ip)
 {
-	inode_timespec_t now;
+	inode_timespec_t now, tmp_ctime;
 
 	gethrestime(&now);
 	/*
@@ -1408,7 +1412,8 @@ zfs_relatime_need_update(const struct inode *ip)
 	if (zfs_compare_timespec(&ip->i_mtime, &ip->i_atime) >= 0)
 		return (B_TRUE);
 
-	if (zfs_compare_timespec(&ip->i_ctime, &ip->i_atime) >= 0)
+	tmp_ctime = zpl_inode_get_ctime(ip);
+	if (zfs_compare_timespec(&tmp_ctime, &ip->i_atime) >= 0)
 		return (B_TRUE);
 
 	if ((hrtime_t)now.tv_sec - (hrtime_t)ip->i_atime.tv_sec >= 24*60*60)
@@ -1434,7 +1439,7 @@ void
 zfs_tstamp_update_setup(znode_t *zp, uint_t flag, uint64_t mtime[2],
     uint64_t ctime[2])
 {
-	inode_timespec_t now;
+	inode_timespec_t now, tmp_ctime;
 
 	gethrestime(&now);
 
@@ -1451,7 +1456,8 @@ zfs_tstamp_update_setup(znode_t *zp, uint_t flag, uint64_t mtime[2],
 
 	if (flag & ATTR_CTIME) {
 		ZFS_TIME_ENCODE(&now, ctime);
-		ZFS_TIME_DECODE(&(ZTOI(zp)->i_ctime), ctime);
+		ZFS_TIME_DECODE(&tmp_ctime, ctime);
+		zpl_inode_set_ctime_to_ts(ZTOI(zp), tmp_ctime);
 		if (ZTOZSB(zp)->z_use_fuids)
 			zp->z_pflags |= ZFS_ARCHIVE;
 	}
diff --git a/module/os/linux/zfs/zpl_inode.c b/module/os/linux/zfs/zpl_inode.c
index 5f5ad186a..ef50f8687 100644
--- a/module/os/linux/zfs/zpl_inode.c
+++ b/module/os/linux/zfs/zpl_inode.c
@@ -774,7 +774,7 @@ zpl_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
 		return (-EMLINK);
 
 	crhold(cr);
-	ip->i_ctime = current_time(ip);
+	zpl_inode_set_ctime_to_ts(ip, current_time(ip));
 	/* Must have an existing ref, so igrab() cannot return NULL */
 	VERIFY3P(igrab(ip), !=, NULL);
 
diff --git a/module/os/linux/zfs/zpl_xattr.c b/module/os/linux/zfs/zpl_xattr.c
index 96d859918..4e4f5210f 100644
--- a/module/os/linux/zfs/zpl_xattr.c
+++ b/module/os/linux/zfs/zpl_xattr.c
@@ -513,7 +513,7 @@ zpl_xattr_set_dir(struct inode *ip, const char *name, const void *value,
 	error = -zfs_write_simple(xzp, value, size, pos, NULL);
 out:
 	if (error == 0) {
-		ip->i_ctime = current_time(ip);
+		zpl_inode_set_ctime_to_ts(ip, current_time(ip));
 		zfs_mark_inode_dirty(ip);
 	}
 
@@ -1011,7 +1011,8 @@ zpl_set_acl_impl(struct inode *ip, struct posix_acl *acl, int type)
 				 */
 				if (ip->i_mode != mode) {
 					ip->i_mode = ITOZ(ip)->z_mode = mode;
-					ip->i_ctime = current_time(ip);
+					zpl_inode_set_ctime_to_ts(ip,
+					    current_time(ip));
 					zfs_mark_inode_dirty(ip);
 				}
 
@@ -1170,7 +1171,7 @@ zpl_init_acl(struct inode *ip, struct inode *dir)
 			return (PTR_ERR(acl));
 		if (!acl) {
 			ITOZ(ip)->z_mode = (ip->i_mode &= ~current_umask());
-			ip->i_ctime = current_time(ip);
+			zpl_inode_set_ctime_to_ts(ip, current_time(ip));
 			zfs_mark_inode_dirty(ip);
 			return (0);
 		}