diff options
| -rw-r--r-- | lib/device/bcache.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/device/bcache.h b/lib/device/bcache.h index 2b0d9659f..6a18d33ab 100644 --- a/lib/device/bcache.h +++ b/lib/device/bcache.h @@ -150,18 +150,18 @@ bool bcache_invalidate(struct bcache *cache, int fd, block_address index); */ bool bcache_invalidate_fd(struct bcache *cache, int fd); -/* - * Prefetches the blocks neccessary to satisfy a byte range. - */ + +//---------------------------------------------------------------- +// The next four functions are utilities written in terms of the above api. + +// Prefetches the blocks neccessary to satisfy a byte range. void bcache_prefetch_bytes(struct bcache *cache, int fd, off_t start, size_t len); -/* - * Reads and writes the bytes. Returns false if errors occur. - */ +// Reads, writes and zeroes bytes. Returns false if errors occur. bool bcache_read_bytes(struct bcache *cache, int fd, off_t start, size_t len, void *data); bool bcache_write_bytes(struct bcache *cache, int fd, off_t start, size_t len, void *data); bool bcache_write_zeros(struct bcache *cache, int fd, off_t start, size_t len); -/*----------------------------------------------------------------*/ +//---------------------------------------------------------------- #endif |