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Code Issues Releases Activity

Fix the problem introduced by vop_stdbmap() usage. The NTFS does not

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implement worthful VOP_BMAP() handler, so it expect the blkno not to be
changed by VOP_BMAP(). Otherwise, it'll have to find some tricky way to
determine if bp was VOP_BMAP()ed or not in VOP_STRATEGY().

PR:		kern/42139
This commit is contained in:
Semen Ustimenko 2002-09-25 23:55:06 +00:00
parent 1a61aeb8dd
commit 7dcd8ef946
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=103979
1 changed files with 28 additions and 1 deletions
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29
sys/fs/ntfs/ntfs_vnops.c
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@ -75,6 +75,7 @@ static int ntfs_write(struct vop_write_args *ap);
static int ntfs_getattr(struct vop_getattr_args *ap);
static int ntfs_inactive(struct vop_inactive_args *ap);
static int ntfs_reclaim(struct vop_reclaim_args *ap);
static int ntfs_bmap(struct vop_bmap_args *ap);
static int ntfs_strategy(struct vop_strategy_args *ap);
static int ntfs_access(struct vop_access_args *ap);
static int ntfs_open(struct vop_open_args *ap);
@ -86,6 +87,32 @@ static int ntfs_pathconf(void *);
int ntfs_prtactive = 1; /* 1 => print out reclaim of active vnodes */
/*
* This is a noop, simply returning what one has been given.
*/
int
ntfs_bmap(ap)
struct vop_bmap_args /* {
struct vnode *a_vp;
daddr_t a_bn;
struct vnode **a_vpp;
daddr_t *a_bnp;
int *a_runp;
int *a_runb;
} */ *ap;
{
dprintf(("ntfs_bmap: vn: %p, blk: %d\n", ap->a_vp,(u_int32_t)ap->a_bn));
if (ap->a_vpp != NULL)
*ap->a_vpp = ap->a_vp;
if (ap->a_bnp != NULL)
*ap->a_bnp = ap->a_bn;
if (ap->a_runp != NULL)
*ap->a_runp = 0;
if (ap->a_runb != NULL)
*ap->a_runb = 0;
return (0);
}
static int
ntfs_read(ap)
struct vop_read_args /* {
@ -179,7 +206,6 @@ ntfs_getattr(ap)
return (0);
}
/*
* Last reference to an ntnode. If necessary, write or delete it.
*/
@ -750,6 +776,7 @@ struct vnodeopv_entry_desc ntfs_vnodeop_entries[] = {
{ &vop_readdir_desc, (vop_t *)ntfs_readdir },
{ &vop_fsync_desc, (vop_t *)ntfs_fsync },
{ &vop_bmap_desc, (vop_t *)ntfs_bmap },
{ &vop_strategy_desc, (vop_t *)ntfs_strategy },
{ &vop_read_desc, (vop_t *)ntfs_read },
{ &vop_write_desc, (vop_t *)ntfs_write },