| fs.h (68568) | fs.h (83366) |
|---|---|
| 1/* 2 * modified for EXT2FS support in Lites 1.1 3 * 4 * Aug 1995, Godmar Back (gback@cs.utah.edu) 5 * University of Utah, Department of Computer Science 6 */ 7/* 8 * Copyright (c) 1982, 1986, 1993 --- 23 unchanged lines hidden (view full) --- 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * @(#)fs.h 8.7 (Berkeley) 4/19/94 | 1/* 2 * modified for EXT2FS support in Lites 1.1 3 * 4 * Aug 1995, Godmar Back (gback@cs.utah.edu) 5 * University of Utah, Department of Computer Science 6 */ 7/* 8 * Copyright (c) 1982, 1986, 1993 --- 23 unchanged lines hidden (view full) --- 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * @(#)fs.h 8.7 (Berkeley) 4/19/94 |
| 40 * $FreeBSD: head/sys/gnu/fs/ext2fs/fs.h 68568 2000-11-10 14:54:15Z bde $ | 40 * $FreeBSD: head/sys/gnu/fs/ext2fs/fs.h 83366 2001-09-12 08:38:13Z julian $ |
| 41 */ 42 43/* 44 * Each disk drive contains some number of file systems. 45 * A file system consists of a number of cylinder groups. 46 * Each cylinder group has inodes and data. 47 * 48 * A file system is described by its super-block, which in turn --- 99 unchanged lines hidden (view full) --- 148extern u_char *fragtbl[]; 149 150/* a few remarks about superblock locking/unlocking 151 * Linux provides special routines for doing so 152 * I haven't figured out yet what BSD does 153 * I think I'll try a VOP_LOCK/VOP_UNLOCK on the device vnode 154 */ 155#define DEVVP(inode) (VFSTOUFS(ITOV(inode)->v_mount)->um_devvp) | 41 */ 42 43/* 44 * Each disk drive contains some number of file systems. 45 * A file system consists of a number of cylinder groups. 46 * Each cylinder group has inodes and data. 47 * 48 * A file system is described by its super-block, which in turn --- 99 unchanged lines hidden (view full) --- 148extern u_char *fragtbl[]; 149 150/* a few remarks about superblock locking/unlocking 151 * Linux provides special routines for doing so 152 * I haven't figured out yet what BSD does 153 * I think I'll try a VOP_LOCK/VOP_UNLOCK on the device vnode 154 */ 155#define DEVVP(inode) (VFSTOUFS(ITOV(inode)->v_mount)->um_devvp) |
| 156#define lock_super(devvp) vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY, curproc) 157#define unlock_super(devvp) VOP_UNLOCK(devvp, 0, curproc) | 156#define lock_super(devvp) vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY, curthread) 157#define unlock_super(devvp) VOP_UNLOCK(devvp, 0, curthread) |
| 158 159/* 160 * To lock a buffer, set the B_LOCKED flag and then brelse() it. To unlock, 161 * reset the B_LOCKED flag and brelse() the buffer back on the LRU list 162 */ 163#define LCK_BUF(bp) { \ 164 int s; \ 165 s = splbio(); \ --- 19 unchanged lines hidden --- | 158 159/* 160 * To lock a buffer, set the B_LOCKED flag and then brelse() it. To unlock, 161 * reset the B_LOCKED flag and brelse() the buffer back on the LRU list 162 */ 163#define LCK_BUF(bp) { \ 164 int s; \ 165 s = splbio(); \ --- 19 unchanged lines hidden --- |