Differential D23718 Diff 70084 head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_cache.c

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	*/			*/
	int zfs_vdev_cache_max = 1<<14; /* 16KB */			int zfs_vdev_cache_max = 1<<14; /* 16KB */
	int zfs_vdev_cache_size = 0;			int zfs_vdev_cache_size = 0;
	int zfs_vdev_cache_bshift = 16;			int zfs_vdev_cache_bshift = 16;

	#define VCBS (1 << zfs_vdev_cache_bshift) /* 64KB */			#define VCBS (1 << zfs_vdev_cache_bshift) /* 64KB */

	SYSCTL_DECL(_vfs_zfs_vdev);			SYSCTL_DECL(_vfs_zfs_vdev);
	SYSCTL_NODE(_vfs_zfs_vdev, OID_AUTO, cache, CTLFLAG_RW, 0, "ZFS VDEV Cache");			SYSCTL_NODE(_vfs_zfs_vdev, OID_AUTO, cache, CTLFLAG_RW \| CTLFLAG_MPSAFE, 0,
				"ZFS VDEV Cache");
	SYSCTL_INT(_vfs_zfs_vdev_cache, OID_AUTO, max, CTLFLAG_RDTUN,			SYSCTL_INT(_vfs_zfs_vdev_cache, OID_AUTO, max, CTLFLAG_RDTUN,
	&zfs_vdev_cache_max, 0, "Maximum I/O request size that increase read size");			&zfs_vdev_cache_max, 0, "Maximum I/O request size that increase read size");
	SYSCTL_INT(_vfs_zfs_vdev_cache, OID_AUTO, size, CTLFLAG_RDTUN,			SYSCTL_INT(_vfs_zfs_vdev_cache, OID_AUTO, size, CTLFLAG_RDTUN,
	&zfs_vdev_cache_size, 0, "Size of VDEV cache");			&zfs_vdev_cache_size, 0, "Size of VDEV cache");
	SYSCTL_INT(_vfs_zfs_vdev_cache, OID_AUTO, bshift, CTLFLAG_RDTUN,			SYSCTL_INT(_vfs_zfs_vdev_cache, OID_AUTO, bshift, CTLFLAG_RDTUN,
	&zfs_vdev_cache_bshift, 0, "Turn too small requests into 1 << this value");			&zfs_vdev_cache_bshift, 0, "Turn too small requests into 1 << this value");

	kstat_t *vdc_ksp = NULL;			kstat_t *vdc_ksp = NULL;
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