and not on a page boundary had been executed with a I/O size too large,
and thus clobbering all sorts of memory (oh my god).
The problems with ResourceFile now seems to be gone.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10863 a95241bf-73f2-0310-859d-f6bbb57e9c96
to 32 pages at a time out of pure lazyness).
Also fixed a potential bug when reading across page bounds (pageOffset
might not have been properly reset).
Added some more comments and ToDo items.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10627 a95241bf-73f2-0310-859d-f6bbb57e9c96
Added generic syscall to control the cache. Right now, only setting/removing
cache modules is implemented.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10601 a95241bf-73f2-0310-859d-f6bbb57e9c96
cache_node_{opened|closed}() now correctly get the file_cache_ref from a vm_cache_ref.
Implemented cache_prefetch(): for now, it always prefetches the first 64 kB from the file.
Renamed read_from_cache() to read_into_cache().
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10438 a95241bf-73f2-0310-859d-f6bbb57e9c96
more than once, the size requested was only correct for the first time.
Added preliminary support for cache modules.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10335 a95241bf-73f2-0310-859d-f6bbb57e9c96
While we can tolerate the device driver to ignore the bytes argument when we
read from the device, we cannot do this for writes - now the code actually
takes this into account. Also added a comment about what to do when our own
driver is fixed :)
Implemented file_cache_sync().
file_cache_set_size() now uses vm_cache::virtual_size instead of the now
removed vnode_store::size. Also, it now resizes the vm_cache as well, so
that any no longer used pages are freed.
write_to_cache() now puts all pages in the modified list, so that they
can be written back easily.
Improved debug output.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10203 a95241bf-73f2-0310-859d-f6bbb57e9c96
divided into several parts, it could happen that overwrite the whole data
portion with data beyond the part that should have been read.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9706 a95241bf-73f2-0310-859d-f6bbb57e9c96
read over two blocks, some memory behind that memory could be trashed.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9188 a95241bf-73f2-0310-859d-f6bbb57e9c96
It now prints a warning if the device driver doesn't handle iovecs correctly.
Again, this could lead to very strange behaviour.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9092 a95241bf-73f2-0310-859d-f6bbb57e9c96
IDE drivers :-)) don't respect the total amount of bytes to be read in the
former readv() (now read_pages()) call. This can potentially fix all sorts
of strange errors in userland :)
Fixed the debug build.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8938 a95241bf-73f2-0310-859d-f6bbb57e9c96
Axel Dörfler