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* fs_{write|read}_pages() now has an additional argument "mayBlock".

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* the page writer don't allow to block, while all other writers do. This fixes
  bug #1509. The reason the page writer needs this is because it marks several
  pages from different caches as busy.
* Fixed a warning about ASSERT being defined already in BFS, since
  util/DoublyLinkedList.h now includes debug.h.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22434 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2007-10-04 12:45:15 +00:00
parent 94b9294f48
commit 3e9513aa4a
18 changed files with 97 additions and 69 deletions
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headers/private/kernel/vfs.h
+6 -3
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@@ -91,10 +91,13 @@ void vfs_acquire_vnode(void *vnode);
status_t vfs_get_cookie_from_fd(int fd, void **_cookie);
bool vfs_can_page(void *vnode, void *cookie);
status_t vfs_read_pages(void *vnode, void *cookie, off_t pos,
const iovec *vecs, size_t count, size_t *_numBytes, bool fsReenter);
const iovec *vecs, size_t count, size_t *_numBytes, bool mayBlock,
bool fsReenter);
status_t vfs_write_pages(void *vnode, void *cookie, off_t pos,
const iovec *vecs, size_t count, size_t *_numBytes, bool fsReenter);
status_t vfs_get_vnode_cache(void *vnode, struct vm_cache **_cache, bool allocate);
const iovec *vecs, size_t count, size_t *_numBytes, bool mayBlock,
bool fsReenter);
status_t vfs_get_vnode_cache(void *vnode, struct vm_cache **_cache,
bool allocate);
status_t vfs_get_file_map( void *_vnode, off_t offset, size_t size,
struct file_io_vec *vecs, size_t *_count);
status_t vfs_get_fs_node_from_path(dev_t mountID, const char *path,