#define AFS_VFSFSID AFS_MOUNT_AFS
#endif
#endif
+/* use this value for reporting total space, free space, etc.
+ * fake a high number to satisfy programs that use the statfs call to make sure
+ * that there's enough space in the device partition before storing something
+ * there. keep it just under 2^31, to try and be safe about not breaking
+ * stuff that looks at the amount of free space. */
+#define AFS_VFS_FAKEFREE (2147483647)
/* Moved from VNOPS/afs_vnop_flocks so can be used in prototypes */
#if defined(AFS_HPUX102_ENV)
#define AFS_FLOCK k_flock
#else
-#if defined(AFS_SUN56_ENV) || (defined(AFS_LINUX24_ENV) && !(defined(AFS_LINUX26_ENV) && defined(AFS_LINUX_64BIT_KERNEL)))
+#if defined(AFS_SUN5_ENV) || (defined(AFS_LINUX24_ENV) && !(defined(AFS_LINUX26_ENV) && defined(AFS_LINUX_64BIT_KERNEL)))
#define AFS_FLOCK flock64
#else
#define AFS_FLOCK flock
#define NVOLS 64 /* hash table size for volume table */
#define NFENTRIES 256 /* hash table size for disk volume table */
#define VCSIZE 1024 /* stat cache hash table size */
-#define DCSIZE 512 /* disk cache hash table size */
#define CBRSIZE 512 /* call back returns hash table size */
#define PIGGYSIZE 1350 /* max piggyback size */
#define MAXVOLS 128 /* max vols we can store */
#define AFS_MAXCBRSCALL 32 /* max to return in a given call (must be <= AFSCBMAX) */
-#define AFS_SALLOC_LOW_WATER 250 /* Min free blocks before allocating more */
-#define AFS_LRALLOCSIZ 4096 /* "Large" allocated size */
#define VCACHE_FREE 5
#define AFS_NRXPACKETS 80
#define AFS_RXDEADTIME 50
#define AFS_HARDDEADTIME 120
-#define AFS_IDLEDEADTIME 50
+#define AFS_IDLEDEADTIME 1200
+#define AFS_IDLEDEADTIME_REP 180 /* more than fs's cb dead time */
#define AFS_BLKBITS 12
#define AFS_BLKSIZE (1 << AFS_BLKBITS)
extern afs_int32 afs_rx_deadtime;
extern afs_int32 afs_rx_harddead;
extern afs_int32 afs_rx_idledead;
+extern afs_int32 afs_rx_idledead_rep;
struct sysname_info {
char *name;
#define BOP_FETCH 1 /* parm1 is chunk to get */
#define BOP_STORE 2 /* parm1 is chunk to store */
#define BOP_PATH 3 /* parm1 is path, parm2 is chunk to fetch */
-
-#if defined(AFS_CACHE_BYPASS)
#define BOP_FETCH_NOCACHE 4 /* parms are: vnode ptr, offset, segment ptr, addr, cred ptr */
-#endif
#ifdef AFS_DARWIN_ENV
#define BOP_MOVE 5 /* ptr1 afs_uspc_param ptr2 sname ptr3 dname */
#endif
+#define BOP_PARTIAL_STORE 6 /* parm1 is chunk to store */
#define B_DONTWAIT 1 /* On failure return; don't wait */
afs_ucred_t *cred; /* credentials to use for operation */
afs_size_t size_parm[BPARMS]; /* random parameters */
void *ptr_parm[BPARMS]; /* pointer parameters */
- afs_int32 code; /* return code */
+ afs_int32 code_raw; /* return code from AFS routines */
+ afs_int32 code_checkcode; /* the afs_CheckCode-translated code */
short refCount; /* use counter for this structure */
char opcode; /* what to do (store, fetch, etc) */
char flags; /* free, etc */
char tokenError; /* a token error other than expired. */
char idleError; /* the server idled too long */
char skipserver[AFS_MAXHOSTS];
+ afs_int32 lasterror[AFS_MAXHOSTS];
};
#define VOLMISSING 1
#define VOLBUSY 2
struct tokenJar *tokens;
struct afs_exporter *exporter; /* more info about the exporter for the remote user */
void *cellinfo; /* pointer to cell info (PAG manager only) */
+ afs_rwlock_t lock;
};
#define CVEC_LEN 3 /* per-user connection pool */
struct sa_conn_vector;
typedef struct sa_conn_vector * p_sa_conn_vector; /* forward decl */
+#define CONN_REPLICATED 0x1
+
struct afs_conn {
int refCount;
int activated;
struct srvAddr *srvr; /* server associated with this conn */
short refCount; /* reference count for allocation */
unsigned short port; /* port associated with this connection */
+ int flags;
/* next connection to return when all in cvec are fully utilized */
int select_index;
struct srvAddr *next_sa; /* another interface on same host */
struct server *server; /* back to parent */
struct sa_conn_vector *conns; /* All user connections to this server */
+ struct afs_conn *natping;
afs_int32 sa_ip; /* Host addr in network byte order */
u_short sa_iprank; /* indiv ip address priority */
u_short sa_portal; /* port addr in network byte order */
/* state bits for volume */
#define VRO 1 /* volume is readonly */
#define VRecheck 2 /* recheck volume info with server */
-#define VBackup 4 /* is this a backup volume? */
-#define VForeign 8 /* this is a non-afs volume */
-#define VResort 16 /* server order was rearranged, sort when able */
-#define VMoreReps 32 /* This volume has more replicas than we are */
- /* keeping track of now -- check with VLDB */
-#define VPartVisible 64 /* Volume's partition is visible on the client */
+#define VBackup 4 /* is this a backup volume? */
+#define VForeign 8 /* this is a non-afs volume */
+#define VPartVisible 16 /* Volume's partition is visible on the client */
+#define VHardMount 32 /* we are hard-mount waiting for the vol */
enum repstate { not_busy, end_not_busy = 6, rd_busy, rdwr_busy, offline };
#endif
#define CCreating 0x00400000 /* avoid needless store after open truncate */
#define CPageHog 0x00800000 /* AIX - dumping large cores is a page hog. */
+#define CCorrupt 0x01000000 /* corrupt dir already reported */
#define CDCLock 0x02000000 /* Vnode lock held over call to GetDownD */
#define CBulkFetching 0x04000000 /* stats are being fetched by bulk stat */
#define CExtendedFile 0x08000000 /* extended file via ftruncate call. */
/*... to be continued ... */
-#if defined(AFS_CACHE_BYPASS)
/* vcache (file) cachingStates bits */
#define FCSDesireBypass 0x1 /* This file should bypass the cache */
#define FCSBypass 0x2 /* This file is currently NOT being cached */
* lock vcache (it's already locked) */
#define TRANSSetManualBit 0x4 /* The Transition routine should set FCSManuallySet so that
* filename checking does not override pioctl requests */
-#endif /* AFS_CACHE_BYPASS */
#define CPSIZE 2
#if defined(AFS_XBSD_ENV) || defined(AFS_DARWIN_ENV)
#else
#define VREFCOUNT(v) ((v)->vrefCount)
#define VREFCOUNT_GT(v,y) ((v)->vrefCount > (y))
-#define VREFCOUNT_SET(v, c) (v)->vrefCount = c;
-#define VREFCOUNT_DEC(v) (v)->vrefCount--;
-#define VREFCOUNT_INC(v) (v)->vrefCount++;
+#define VREFCOUNT_SET(v, c) (v)->vrefCount = c
+#define VREFCOUNT_DEC(v) (v)->vrefCount--
+#define VREFCOUNT_INC(v) (v)->vrefCount++
#define d_unhash(d) list_empty(&(d)->d_hash)
#define dget_locked(d) dget(d)
#endif
#if defined(AFS_DARWIN80_ENV)
#define VTOAFS(v) ((struct vcache *)vnode_fsnode((v)))
#define AFSTOV(vc) ((vc)->v)
+#elif defined(AFS_NBSD40_ENV)
+struct nbvdata {
+ struct genfs_node gfsn;
+ struct vcache *afsvc;
+};
+#define VTOAFS(v) ((((struct nbvdata *)((v)->v_data)))->afsvc)
+#define AFSTOV(vc) ((vc)->v)
#elif defined(AFS_XBSD_ENV) || defined(AFS_DARWIN_ENV) || (defined(AFS_LINUX22_ENV) && !defined(STRUCT_SUPER_OPERATIONS_HAS_ALLOC_INODE))
#define VTOAFS(v) ((struct vcache *)(v)->v_data)
#define AFSTOV(vc) ((vc)->v)
struct afs_vnuniq oldParent;
};
+#ifdef AFS_SUN5_ENV
+/*
+ * This is for the multiPage field in struct vcache. Each one of these
+ * represents an outstanding getpage request that is larger than a single page.
+ * Recording these is necessary to prevent afs_GetOnePage from trying to evict
+ * a dcache entry that an earlier afs_GetOnePage call got in the same getpage
+ * request. See osi_VM_MultiPageConflict and afs_getpage.
+ */
+struct multiPage_range {
+ struct afs_q q;
+ offset_t off; /**< offset of getpage request */
+ u_int len; /**< length of getpage request */
+};
+#endif
+
/* INVARIANTs: (vlruq.next != NULL) == (vlruq.prev != NULL)
* nextfree => !vlruq.next && ! vlruq.prev
* !(avc->nextfree) && !avc->vlruq.next => (FreeVCList == avc->nextfree)
krwlock_t rwlock;
struct cred *credp;
#endif
-#ifdef AFS_BOZONLOCK_ENV
- afs_bozoLock_t pvnLock; /* see locks.x */
-#endif
#ifdef AFS_AIX32_ENV
afs_lock_t pvmlock;
vmhandle_t vmh;
struct lock__bsd__ rwlock;
#endif
#ifdef AFS_XBSD_ENV
-# if defined(AFS_NBSD50_ENV)
- struct krwlock rwlock;
-# elif !defined(AFS_DFBSD_ENV)
+#if !defined(AFS_DFBSD_ENV) && !defined(AFS_NBSD_ENV)
struct lock rwlock;
#endif
#endif
short flockCount; /* count of flock readers, or -1 if writer */
char mvstat; /* 0->normal, 1->mt pt, 2->root. */
-#if defined(AFS_CACHE_BYPASS)
- char cachingStates; /* Caching policies for this file */
- afs_uint32 cachingTransitions; /* # of times file has flopped between caching and not */
+ char cachingStates; /* Caching policies for this file */
+ afs_uint32 cachingTransitions; /* # of times file has flopped between caching and not */
+
#if defined(AFS_LINUX24_ENV)
- off_t next_seq_offset; /* Next sequential offset (used by prefetch/readahead) */
-#else
- off_t next_seq_blk_offset; /* accounted in blocks for Solaris & IRIX */
-#endif
+ off_t next_seq_offset; /* Next sequential offset (used by prefetch/readahead) */
+#elif defined(AFS_SUN5_ENV) || defined(AFS_SGI65_ENV)
+ off_t next_seq_blk_offset; /* accounted in blocks for Solaris & IRIX */
#endif
#if defined(AFS_SUN5_ENV)
#if defined(AFS_LINUX26_ENV)
cred_t *cred; /* last writer's cred */
#endif
+#ifdef AFS_LINUX24_ENV
+ struct dentry *target_link; /* dentry we prefer, when we are redirecting
+ * all requests due to duplicate dentry aliases.
+ * See LINUX/osi_vnodeops.c. Note that this is
+ * NOT an actual reference to a dentry, so this
+ * pointer MUST NOT be dereferenced on its own. */
+#endif
afs_int32 vc_error; /* stash write error for this vnode. */
int xlatordv; /* Used by nfs xlator */
afs_ucred_t *uncred;
int asynchrony; /* num kbytes to store behind */
#ifdef AFS_SUN5_ENV
- short multiPage; /* count of multi-page getpages in progress */
+ struct afs_q multiPage; /* list of multiPage_range structs */
#endif
int protocol; /* RX_FILESERVER, RX_OSD, ... defined in afsint.xg */
#if !defined(UKERNEL)
void *vpacRock; /* used to read or write in visible partitions */
#endif
+ afs_uint32 lastBRLWarnTime; /* last time we warned about byte-range locks */
};
#define DONT_CHECK_MODE_BITS 0
#if defined(AFS_CACHE_VNODE_PATH)
typedef char *afs_ufs_dcache_id_t;
-#elif defined(AFS_SGI61_ENV) || defined(AFS_SUN57_64BIT_ENV)
+#elif defined(AFS_SGI61_ENV) || defined(AFS_SUN5_64BIT_ENV)
/* Using ino64_t here so that user level debugging programs compile
* the size correctly.
*/
#define DO_VLRU 2
#define IS_SLOCK 4
#define IS_WLOCK 8
-#define FIND_CDEAD 16
-#define FIND_BULKDEAD 32
/* values for adown value of afs_LoopServers */
#define AFS_LS_UP 0
(((rw) == UIO_WRITE) ? afs_write(avc, uio, io, cred, 1) : afs_read(avc, uio, cred, 1))
/* Cache size truncation uses the following low and high water marks:
- * If the cache is more than 95% full (CM_DCACHECOUNTFREEPCT), the cache
- * truncation daemon is awakened and will free up space until the cache is 85%
- * (CM_DCACHESPACEFREEPCT - CM_DCACHEEXTRAPCT) full.
+ * If the cache is more than 90% full by space (CM_DCACHESPACEFREEPCT) or
+ * 95% full by # of chunks (CM_DCACHECOUNTFREEPCT), the cache truncation
+ * daemon is awakened and will start freeing space. The cache truncation
+ * daemon will continue to free space until the cache is at most 85% full
+ * by space (CM_DCACHESPACEFREEPCT - CM_DCACHEEXTRAPCT). The cache truncation
+ * daemon will also try to free space until the cache is at most 90% full by
+ * chunks (CM_DCACHECOUNTFREEPCT - CM_DCACHEEXTRAPCT), but the 85% space limit
+ * is the only limit that we must hit.
* afs_UFSWrite and afs_GetDCache (when it needs to fetch data) will wait on
* afs_WaitForCacheDrain if the cache is 98% (CM_WAITFORDRAINPCT) full.
* afs_GetDownD wakes those processes once the cache is 95% full
#define afs_CacheIsTooFull() \
(afs_blocksUsed - afs_blocksDiscarded > \
- PERCENT(CM_DCACHECOUNTFREEPCT, afs_cacheBlocks) || \
+ PERCENT(CM_DCACHESPACEFREEPCT, afs_cacheBlocks) || \
afs_freeDCCount - afs_discardDCCount < \
PERCENT(100 - CM_DCACHECOUNTFREEPCT, afs_cacheFiles))
};
extern int afs_fakestat_enable;
-
-#ifdef AFS_MAXVCOUNT_ENV
+extern int afs_rmtsys_enable;
extern int afsd_dynamic_vcaches;
-#else
-#define afsd_dynamic_vcaches 0
-#endif
/*
* Wrappers for access to credentials structure members
* to accomodate both, *long* is used instead of afs_int32
*/
-# ifdef AFS_SUN57_ENV
struct afssysa {
long syscall;
long parm1;
long parm5;
long parm6;
};
-# else
-struct afssysa {
- afs_int32 syscall;
- afs_int32 parm1;
- afs_int32 parm2;
- afs_int32 parm3;
- afs_int32 parm4;
- afs_int32 parm5;
- afs_int32 parm6;
-};
-# endif
extern int Afs_syscall(struct afssysa *uap, rval_t *rvp);
#endif /* AFS_SUN5_ENV */
+/*
+ * Various definitions for osi_sleep and its event hash table
+ * DFBSD and SUNOS have no osi_sleep, and HPUX has its own hack for this stuff
+ */
+#define AFS_EVHASHSIZE 128 /* size of afs_evhasht, must be power of 2 */
+
+typedef struct afs_event {
+ struct afs_event *next; /* next in hash chain */
+ char *event; /* lwp event: an address */
+ int refcount; /* Is it in use? */
+ int seq; /* Sequence number: this is incremented
+ * by wakeup calls; wait will not return until
+ * it changes */
+#if defined(AFS_AIX_ENV)
+ tid_t cond;
+#elif defined(AFS_DARWIN_ENV)
+# ifdef AFS_DARWIN80_ENV
+ lck_mtx_t *lck;
+ thread_t owner;
+# endif
+ /* no cond member */
+#elif defined(AFS_FBSD_ENV) || defined(AFS_OBSD_ENV)
+ int cond; /* "all this gluck should probably be replaced by CVs" */
+#elif defined(AFS_LINUX24_ENV)
+ wait_queue_head_t cond;
+#elif defined(AFS_NBSD_ENV) || defined(AFS_SUN5_ENV) || defined(AFS_SGI_ENV)
+ kcondvar_t cond; /* Currently associated condition variable */
+#endif
+} afs_event_t;
+
+extern afs_event_t *afs_evhasht[AFS_EVHASHSIZE]; /* Hash table for events */
+
#endif /* _AFS_H_ */