mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2025-01-06 13:09:50 +00:00
Code Issues Releases Activity

- Add a mutex to the ufsmount structure. This mutex is used to protect

Browse Source 
any per-instance global data that is not already protected by a
   buf or vnode lock.  Presently, only fields in ffs's struct fs utilize
   this lock.
 - Sort some ufsmount members so that fields used for quotas are grouped
   together.  This is in anticipation of quota locking.

Sponsored By:	Isilon Systems, Inc.
This commit is contained in:
Jeff Roberson 2005-01-24 10:01:10 +00:00
parent 8a22eb497b
commit 751d0d9fc9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=140700
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
sys/ufs/ufs/ufsmount.h
View File

@ -65,13 +65,14 @@ struct ufsmount {
struct vnode *um_devvp; /* block device mounted vnode */
u_long um_fstype; /* type of filesystem */
struct fs *um_fs; /* pointer to superblock */
struct vnode *um_quotas[MAXQUOTAS]; /* pointer to quota files */
struct ucred *um_cred[MAXQUOTAS]; /* quota file access cred */
struct ufs_extattr_per_mount um_extattr; /* extended attrs */
u_long um_nindir; /* indirect ptrs per block */
u_long um_bptrtodb; /* indir ptr to disk block */
u_long um_seqinc; /* inc between seq blocks */
long um_numindirdeps; /* indirdeps for this filesys */
struct mtx um_lock; /* Protects ufsmount & fs */
long um_numindirdeps; /* outstanding indirdeps */
struct vnode *um_quotas[MAXQUOTAS]; /* pointer to quota files */
struct ucred *um_cred[MAXQUOTAS]; /* quota file access cred */
time_t um_btime[MAXQUOTAS]; /* block quota time limit */
time_t um_itime[MAXQUOTAS]; /* inode quota time limit */
char um_qflags[MAXQUOTAS]; /* quota specific flags */
@ -93,6 +94,10 @@ struct ufsmount {
#define UFS_VFREE(aa, bb, cc) VFSTOUFS((aa)->v_mount)->um_vfree(aa, bb, cc)
#define UFS_IFREE(aa, bb) ((aa)->um_ifree(aa, bb))
#define UFS_LOCK(aa) mtx_lock(&(aa)->um_lock)
#define UFS_UNLOCK(aa) mtx_unlock(&(aa)->um_lock)
#define UFS_MTX(aa) (&(aa)->um_lock)
/*
* Filesystem types
*/