#define AFS_NRXPACKETS 80
#define AFS_RXDEADTIME 50
#define AFS_HARDDEADTIME 120
+#define AFS_IDLEDEADTIME 50
#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;
struct sysname_info {
char *name;
#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
+
#define B_DONTWAIT 1 /* On failure return; don't wait */
/* protocol is: refCount is incremented by user to take block out of free pool.
char volumeError; /* encountered a missing or busy volume */
char networkError; /* encountered network problems */
char permWriteError; /* fileserver returns permenent error. */
+ char tokenError; /* a token error other than expired. */
+ char idleError; /* the server idled too long */
+ char skipserver[MAXHOSTS];
};
#define VOLMISSING 1
#define VOLBUSY 2
extern afs_int32 afs_gcpags;
extern afs_int32 afs_gcpags_procsize;
extern afs_int32 afs_bkvolpref;
+extern char afs_cachebasedir[1024];
+extern afs_int32 afs_numcachefiles;
+extern afs_int32 afs_numfilesperdir;
struct unixuser {
struct unixuser *next; /* next hash pointer */
#define CUnlinkedDel 0x00040000
#define CVFlushed 0x00080000
#define CCore1 0x00100000 /* osf1 core file; not same as CCore above */
+#ifdef AFS_LINUX22_ENV
+#define CPageWrite 0x00200000 /* to detect vm deadlock - linux */
+#else
#define CWritingUFS 0x00200000 /* to detect vm deadlock - used by sgi */
+#endif
#define CCreating 0x00400000 /* avoid needless store after open truncate */
#define CPageHog 0x00800000 /* AIX - dumping large cores is a page hog. */
#define CDCLock 0x02000000 /* Vnode lock held over call to GetDownD */
#define VRevokeWait 0x1
#define VPageCleaning 0x2 /* Solaris - Cache Trunc Daemon sez keep out */
+#if defined(AFS_DISCON_ENV)
+
+/* Dirty disconnected vcache flags. */
+#define VDisconSetTime 0x00000001 /* set time. */
+#define VDisconSetMode 0x00000002 /* set mode. */
+/* XXX: to be continued ? */
+#define VDisconTrunc 0x00000020 /* truncate file. */
+#define VDisconSetAttrMask 0x0000003F /* Masks for setattr ops. */
+#define VDisconWriteClose 0x00000400 /* Write op on file close. */
+#define VDisconWriteFlush 0x00000800 /* Write op on normal fsync/flush. */
+#define VDisconWriteOsiFlush 0x00001000 /* Write op on osi flush. */
+
+#define VDisconShadowed 0x00002000 /* Shadowed dir. */
+#define VDisconRemove 0x00004000 /* Remove vnop. */
+#define VDisconCreate 0x00008000 /* Create vnop. */
+#define VDisconRename 0x00010000 /* Rename vnop. */
+#define VDisconRenameSameDir 0x00020000 /* Rename in same dir. */
+
+/*... to be continued ... */
+#endif
+
+#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 */
+#define FCSManuallySet 0x4 /* The bypass flags were set, or reset, manually (via pioctl)
+ and should not be overridden by the file's name */
+
+/* Flag values used by the Transition routines */
+#define TRANSChangeDesiredBit 0x1 /* The Transition routine should set or
+ * reset the FCSDesireBypass bit */
+#define TRANSVcacheIsLocked 0x2 /* The Transition routine does not need to
+ * 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)
#define vrefCount v->v_usecount
#endif
struct vcache *hnext; /* Hash next */
struct afs_q vhashq; /* Hashed per-volume list */
+
+#if defined(AFS_DISCON_ENV)
+ /*! Next element in afs_DDirtyVCList. Lock it with afs_DDirtyVCListLock. */
+ struct vcache *ddirty_next;
+ /*! Disconnected flags for this vcache element. */
+ uint32_t ddirty_flags;
+ /*! Shadow vnode + unique keep the shadow dir location. */
+ afs_uint32 shVnode;
+ afs_uint32 shUnique;
+ /*! The old parent FID for renamed vnodes. */
+ afs_uint32 oldVnode;
+ afs_uint32 oldUnique;
+#endif
+
struct VenusFid fid;
struct mstat {
afs_size_t Length;
* this file. */
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 */
+#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
+#endif
+
afs_uint32 states; /* state bits */
#if defined(AFS_SUN5_ENV)
afs_uint32 vstates; /* vstate bits */
#endif
#endif
+
+#ifdef KERNEL
+/* it does not compile outside kernel */
struct buffer {
afs_int32 fid; /* is adc->index, the cache file number */
afs_inode_t inode; /* is adc->f.inode, the inode number of the cac\
afs_int32 chunkBytes; /* Num bytes in this chunk */
char states; /* Has this chunk been modified? */
};
+#endif
/* magic numbers to specify the cache type */
};
extern int afs_fakestat_enable;
-
#endif /* _AFS_H_ */
git://git.openafs.org / openafs.git / blobdiff