ext2_mount.h (139778) | ext2_mount.h (202283) |
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1/*- 2 * Copyright (c) 1982, 1986, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 13 unchanged lines hidden (view full) --- 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)ufsmount.h 8.6 (Berkeley) 3/30/95 | 1/*- 2 * Copyright (c) 1982, 1986, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 13 unchanged lines hidden (view full) --- 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)ufsmount.h 8.6 (Berkeley) 3/30/95 |
30 * $FreeBSD: head/sys/gnu/fs/ext2fs/ext2_mount.h 139778 2005-01-06 18:27:30Z imp $ | 30 * $FreeBSD: head/sys/fs/ext2fs/ext2_mount.h 202283 2010-01-14 14:30:54Z lulf $ |
31 */ 32 | 31 */ 32 |
33#ifndef _SYS_GNU_EXT2FS_EXT2_MOUNT_H_ 34#define _SYS_GNU_EXT2FS_EXT2_MOUNT_H_ | 33#ifndef _FS_EXT2FS_EXT2_MOUNT_H_ 34#define _FS_EXT2FS_EXT2_MOUNT_H_ |
35 36#ifdef _KERNEL 37 38#ifdef MALLOC_DECLARE 39MALLOC_DECLARE(M_EXT2NODE); 40#endif 41 42struct vnode; 43 44/* This structure describes the ext2fs specific mount structure data. */ 45struct ext2mount { 46 struct mount *um_mountp; /* filesystem vfs structure */ 47 struct cdev *um_dev; /* device mounted */ 48 struct vnode *um_devvp; /* block device mounted vnode */ 49 | 35 36#ifdef _KERNEL 37 38#ifdef MALLOC_DECLARE 39MALLOC_DECLARE(M_EXT2NODE); 40#endif 41 42struct vnode; 43 44/* This structure describes the ext2fs specific mount structure data. */ 45struct ext2mount { 46 struct mount *um_mountp; /* filesystem vfs structure */ 47 struct cdev *um_dev; /* device mounted */ 48 struct vnode *um_devvp; /* block device mounted vnode */ 49 |
50 struct ext2_sb_info *um_e2fs; /* EXT2FS */ 51#define em_e2fsb um_e2fs->s_es | 50 struct m_ext2fs *um_e2fs; /* EXT2FS */ 51#define em_e2fsb um_e2fs->e2fs |
52 53 u_long um_nindir; /* indirect ptrs per block */ 54 u_long um_bptrtodb; /* indir ptr to disk block */ 55 u_long um_seqinc; /* inc between seq blocks */ 56 | 52 53 u_long um_nindir; /* indirect ptrs per block */ 54 u_long um_bptrtodb; /* indir ptr to disk block */ 55 u_long um_seqinc; /* inc between seq blocks */ 56 |
57 struct mtx um_lock; /* Protects ext2mount & fs */ 58 |
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57 struct g_consumer *um_cp; 58 struct bufobj *um_bo; 59}; 60 | 59 struct g_consumer *um_cp; 60 struct bufobj *um_bo; 61}; 62 |
63#define EXT2_LOCK(aa) mtx_lock(&(aa)->um_lock) 64#define EXT2_UNLOCK(aa) mtx_unlock(&(aa)->um_lock) 65#define EXT2_MTX(aa) (&(aa)->um_lock) 66 |
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61/* Convert mount ptr to ext2fsmount ptr. */ 62#define VFSTOEXT2(mp) ((struct ext2mount *)((mp)->mnt_data)) 63 64/* 65 * Macros to access file system parameters in the ufsmount structure. 66 * Used by ufs_bmap. 67 */ 68#define MNINDIR(ump) ((ump)->um_nindir) 69#define blkptrtodb(ump, b) ((b) << (ump)->um_bptrtodb) 70#define is_sequential(ump, a, b) ((b) == (a) + ump->um_seqinc) 71#endif /* _KERNEL */ 72 73#endif | 67/* Convert mount ptr to ext2fsmount ptr. */ 68#define VFSTOEXT2(mp) ((struct ext2mount *)((mp)->mnt_data)) 69 70/* 71 * Macros to access file system parameters in the ufsmount structure. 72 * Used by ufs_bmap. 73 */ 74#define MNINDIR(ump) ((ump)->um_nindir) 75#define blkptrtodb(ump, b) ((b) << (ump)->um_bptrtodb) 76#define is_sequential(ump, a, b) ((b) == (a) + ump->um_seqinc) 77#endif /* _KERNEL */ 78 79#endif |