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mostly harmless sanity checks.

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This commit is contained in:
Ben Gras 2009-01-20 13:43:00 +00:00
parent 6a267baeb8
commit 45ec30f6af
2 changed files with 11 additions and 3 deletions
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9
servers/vfs/mount.c
View file

@ -71,6 +71,8 @@ PUBLIC int do_mount()
{
endpoint_t fs_e;
CHECK_VREFS;
/* Only the super-user may do MOUNT. */
if (!super_user) return(EPERM);
@ -104,6 +106,8 @@ PRIVATE int mount_fs(endpoint_t fs_e)
struct vmnt *vmp, *vmp2;
char *label;
struct node_details res;
CHECK_VREFS;
/* Only the super-user may do MOUNT. */
if (!super_user) return(EPERM);
@ -339,6 +343,7 @@ PRIVATE int mount_fs(endpoint_t fs_e)
tfp->fp_wd = root_node;
}
CHECK_VREFS;
return(OK);
}
@ -372,6 +377,7 @@ PRIVATE int mount_fs(endpoint_t fs_e)
printf("VFSmount: moving opened block spec to new FS_e: %d...\n", fs_e);
bspec->v_bfs_e = fs_e;
}
CHECK_VREFS;
return(OK);
}
@ -405,6 +411,8 @@ Dev_t dev;
struct dmap *dp;
int count, r;
int fs_e;
CHECK_VREFS;
/* Find vmnt */
for (vmp_i = &vmnt[0]; vmp_i < &vmnt[NR_MNTS]; ++vmp_i) {
@ -504,6 +512,7 @@ Dev_t dev;
vmp->m_dev = NO_DEV;
vmp->m_fs_e = NONE;
vmp->m_driver_e = NONE;
CHECK_VREFS;
return(OK);
}

5
servers/vfs/proto.h
View file

@ -254,11 +254,10 @@ _PROTOTYPE( void vnode_clean_refs, (struct vnode *vp) );
#if 0
_PROTOTYPE( struct vnode *get_vnode, (int fs_e, int inode_nr) );
_PROTOTYPE( struct vnode *get_vnode_x, (int fs_e, int inode_nr) );
#endif
#if 0
_PROTOTYPE( void mark_vn, (struct vnode *vp, char *file, int line) );
_PROTOTYPE( int check_vrefs, (void) );
#endif
#define CHECK_VREFS do { if(!check_vrefs()) panic("VFS", "check_vrefs failed", NO_NUM);} while(0)
_PROTOTYPE( int check_vrefs, (void) );
/* write.c */
_PROTOTYPE( int do_write, (void) );