d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

- Change all LK_SHARE locks to LK_EXCLUSIVE. Shared locks aren't quite safe

Browse Source 
yet
 - Use vop_std{lock,unlock,islocked}.
This commit is contained in:
Jeff Roberson 2002-07-09 19:43:39 +00:00
parent 54a033896d
commit ad70122060
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
sys/fs/fdescfs/fdesc_vnops.c
View File

@ -190,7 +190,7 @@ fdesc_lookup(ap)
if (cnp->cn_namelen == 1 && *pname == '.') {
*vpp = dvp;
VREF(dvp);
vn_lock(dvp, LK_SHARED | LK_RETRY, td);
vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY, td);
return (0);
}
@ -221,12 +221,12 @@ fdesc_lookup(ap)
if (error)
goto bad;
VTOFDESC(fvp)->fd_fd = fd;
vn_lock(fvp, LK_SHARED | LK_RETRY, td);
vn_lock(fvp, LK_EXCLUSIVE | LK_RETRY, td);
*vpp = fvp;
return (0);
bad:
vn_lock(dvp, LK_SHARED | LK_RETRY, td);
vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY, td);
*vpp = NULL;
return (error);
}
@ -564,6 +564,9 @@ static struct vnodeopv_entry_desc fdesc_vnodeop_entries[] = {
{ &vop_readdir_desc, (vop_t *) fdesc_readdir },
{ &vop_reclaim_desc, (vop_t *) fdesc_reclaim },
{ &vop_setattr_desc, (vop_t *) fdesc_setattr },
{ &vop_lock_desc, (vop_t *) vop_stdlock },
{ &vop_unlock_desc, (vop_t *) vop_stdunlock },
{ &vop_islocked_desc, (vop_t *) vop_stdislocked },
{ NULL, NULL }
};
static struct vnodeopv_desc fdesc_vnodeop_opv_desc =