diff options
Diffstat (limited to 'src/cmd/fossil/cache.c')
| -rw-r--r-- | src/cmd/fossil/cache.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/src/cmd/fossil/cache.c b/src/cmd/fossil/cache.c index 23f89461..6707d50a 100644 --- a/src/cmd/fossil/cache.c +++ b/src/cmd/fossil/cache.c @@ -1062,10 +1062,10 @@ if(0)fprint(2, "%s: %d:%x:%d depends on %d:%x:%d\n", argv0, b->part, b->addr, b- /* * Mark an in-memory block as dirty. If there are too many - * dirty blocks, start writing some out to disk. - * + * dirty blocks, start writing some out to disk. + * * If there were way too many dirty blocks, we used to - * try to do some flushing ourselves, but it's just too dangerous -- + * try to do some flushing ourselves, but it's just too dangerous -- * it implies that the callers cannot have any of our priors locked, * but this is hard to avoid in some cases. */ @@ -1332,16 +1332,16 @@ if(0) fprint(2, "%s: iostate part=%d addr=%x %s->%s\n", argv0, b->part, b->addr, } /* - * The active file system is a tree of blocks. + * The active file system is a tree of blocks. * When we add snapshots to the mix, the entire file system * becomes a dag and thus requires a bit more care. - * + * * The life of the file system is divided into epochs. A snapshot * ends one epoch and begins the next. Each file system block * is marked with the epoch in which it was created (b.epoch). * When the block is unlinked from the file system (closed), it is marked - * with the epoch in which it was removed (b.epochClose). - * Once we have discarded or archived all snapshots up to + * with the epoch in which it was removed (b.epochClose). + * Once we have discarded or archived all snapshots up to * b.epochClose, we can reclaim the block. * * If a block was created in a past epoch but is not yet closed, @@ -1359,7 +1359,7 @@ if(0) fprint(2, "%s: iostate part=%d addr=%x %s->%s\n", argv0, b->part, b->addr, * lbb (bb's label block). * * (2) We have to mark b as closed, but only after we switch - * the pointer, so lb must be written out after p. In fact, we + * the pointer, so lb must be written out after p. In fact, we * can't even update the in-memory copy, or the cache might * mistakenly give out b for reuse before p gets written. * @@ -1369,7 +1369,7 @@ if(0) fprint(2, "%s: iostate part=%d addr=%x %s->%s\n", argv0, b->part, b->addr, * to arrange for (2) to happen once p is written. * * Until (2) happens, some pieces of the code (e.g., the archiver) - * still need to know whether a block has been copied, so we + * still need to know whether a block has been copied, so we * set the BsCopied bit in the label and force that to disk *before* * the copy gets written out. */ @@ -1436,7 +1436,7 @@ void blockRemoveLink(Block *b, u32int addr, int type, u32int tag, int recurse) { BList *p, **pp, bl; - + /* remove bb from prior list */ for(pp=&b->prior; (p=*pp)!=nil; ){ if(p->part == PartData && p->addr == addr){ @@ -1479,7 +1479,7 @@ blockRemoveLink(Block *b, u32int addr, int type, u32int tag, int recurse) b->utail = p; } -/* +/* * Process removal of a single block and perhaps its children. */ static void @@ -1592,7 +1592,7 @@ blistAlloc(Block *b) /* * No free BLists. What are our options? */ - + /* Block has no priors? Just write it. */ if(b->prior == nil){ qunlock(&c->lk); |