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- Define mnt_startzero and mnt_endzero as a range that excludes mnt_mtx

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and mnt_lock so that the mountpoint can be explicitly zeroed on
   creation.

Discussed with: tegge
Tested by:      kris
Sponsored by:   Isilon Systems, Inc.
This commit is contained in:
Jeff Roberson 2006-03-31 03:49:16 +00:00
parent fdf86b2dcd
commit 9eee260594
1 changed files with 4 additions and 2 deletions
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6
sys/sys/mount.h
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@ -143,13 +143,14 @@ struct vfsopt;
*
*/
struct mount {
struct lock mnt_lock; /* mount structure lock */
struct mtx mnt_mtx; /* mount structure interlock */
#define mnt_startzero mnt_list
TAILQ_ENTRY(mount) mnt_list; /* (m) mount list */
struct vfsops *mnt_op; /* operations on fs */
struct vfsconf *mnt_vfc; /* configuration info */
struct vnode *mnt_vnodecovered; /* vnode we mounted on */
struct vnode *mnt_syncer; /* syncer vnode */
struct lock mnt_lock; /* mount structure lock */
struct mtx mnt_mtx; /* mount structure interlock */
int mnt_ref; /* (i) Reference count */
struct vnodelst mnt_nvnodelist; /* (i) list of vnodes */
int mnt_nvnodelistsize; /* (i) # of vnodes */
@ -172,6 +173,7 @@ struct mount {
int mnt_holdcnt; /* hold count */
int mnt_holdcntwaiters; /* waits on hold count */
int mnt_secondary_writes; /* (i) # of secondary writes */
#define mnt_endzero mnt_secondary_accwrites
int mnt_secondary_accwrites;/* (i) secondary wr. starts */
};