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DEVEL15-windows-cm_buf-20080302

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LICENSE MIT

remove unused constants, data structures and fields


(cherry picked from commit ba94313f4030184890194c84f8d5c2f3f69f52d1)
This commit is contained in:
Jeffrey Altman 2008-03-02 21:56:18 +00:00
parent 274878f55f
commit 4d7b6b13b5
2 changed files with 7 additions and 26 deletions
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6
src/WINNT/afsd/cm_buf.c
View File

@ -773,12 +773,6 @@ void buf_Recycle(cm_buf_t *bp)
bp->flags &= ~CM_BUF_INHASH;
}
/* bump the soft reference counter now, to invalidate softRefs; no
* wakeup is required since people don't sleep waiting for this
* counter to change.
*/
bp->idCounter++;
/* make the fid unrecognizable */
memset(&bp->fid, 0, sizeof(cm_fid_t));
}

27
src/WINNT/afsd/cm_buf.h
View File

@ -23,9 +23,6 @@
/* default buffer size */
#define CM_BUF_BLOCKSIZE CM_CONFIGDEFAULT_BLOCKSIZE
/* default hash size */
#define CM_BUF_HASHSIZE 1024
/* cache type */
#define CM_BUF_CACHETYPE_FILE 1
#define CM_BUF_CACHETYPE_VIRTUAL 2
@ -39,9 +36,6 @@ extern int buf_cacheType;
/* another hash fn */
#define BUF_FILEHASH(fidp) ((fidp)->hash % cm_data.buf_hashSize)
/* backup over pointer to the buffer */
#define BUF_OVERTOBUF(op) ((cm_buf_t *)(((char *)op) - ((long)(&((cm_buf_t *)0)->over))))
#define CM_BUF_MAGIC ('B' | 'U' <<8 | 'F'<<16 | 'F'<<24)
#define CM_BUF_VERSION_BAD 0xFFFFFFFFFFFFFFFF
@ -65,13 +59,12 @@ typedef struct cm_buf {
struct cm_buf *dirtyp; /* next in the dirty list */
osi_mutex_t mx; /* mutex protecting structure except refcount */
afs_int32 refCount; /* reference count (buf_globalLock) */
long idCounter; /* counter for softrefs; bumped at each recycle */
long dirtyCounter; /* bumped at each dirty->clean transition */
afs_uint32 dirtyCounter; /* bumped at each dirty->clean transition */
osi_hyper_t offset; /* offset */
cm_fid_t fid; /* file ID */
afs_uint32 flags; /* flags we're using */
char *datap; /* data in this buffer */
unsigned long error; /* last error code, if CM_BUF_ERROR is set */
afs_uint32 error; /* last error code, if CM_BUF_ERROR is set */
cm_user_t *userp; /* user who wrote to the buffer last */
/* fields added for the CM; locked by scp->mx */
@ -104,21 +97,15 @@ typedef struct cm_buf {
/* waiting is done based on scp->flags. Removing bits from cmFlags
should be followed by waking the scp. */
/* represents soft reference which is OK to lose on a recycle */
typedef struct cm_softRef {
cm_buf_t *bufp; /* buffer (may get reused) */
long counter; /* counter of changes to identity */
} cm_softRef_t;
#define CM_BUF_READING 1 /* now reading buffer from the disk */
#define CM_BUF_WRITING 2 /* now writing buffer to the disk */
#define CM_BUF_INHASH 4 /* in the hash table */
#define CM_BUF_DIRTY 8 /* buffer is dirty */
#define CM_BUF_INLRU 0x10 /* in lru queue */
#define CM_BUF_ERROR 0x20 /* something went wrong on delayed write */
#define CM_BUF_DIRTY 8 /* buffer is dirty */
#define CM_BUF_INLRU 0x10 /* in lru queue */
#define CM_BUF_ERROR 0x20 /* something went wrong on delayed write */
#define CM_BUF_WAITING 0x40 /* someone's waiting for a flag to change */
#define CM_BUF_EVWAIT 0x80 /* someone's waiting for the buffer event */
#define CM_BUF_EOF 0x100 /* read 0 bytes; used for detecting EOF */
#define CM_BUF_EOF 0x100 /* read 0 bytes; used for detecting EOF */
typedef struct cm_buf_ops {
long (*Writep)(void *, osi_hyper_t *, long, long, struct cm_user *,