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* The "bytes" as passed to {read|write}_file_io_vec_pages() was never

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initialized, causing those functions to read|write a random amount.
* This fixes bug #1614 - amazing how well the system worked with those randomly
  sized requests...


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22901 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2007-11-11 16:28:56 +00:00
parent aa42ed6ec6
commit 364759e0d2
2 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/add-ons/kernel/file_systems/bfs/kernel_interface.cpp
+2 -2
View File
@@ -358,7 +358,7 @@ bfs_read_pages(fs_volume _fs, fs_vnode _node, fs_cookie _cookie, off_t pos,
bool bufferOverflow = status == B_BUFFER_OVERFLOW; bool bufferOverflow = status == B_BUFFER_OVERFLOW;
size_t bytes; size_t bytes = bytesLeft;
status = read_file_io_vec_pages(volume->Device(), fileVecs, status = read_file_io_vec_pages(volume->Device(), fileVecs,
fileVecCount, vecs, count, &vecIndex, &vecOffset, &bytes); fileVecCount, vecs, count, &vecIndex, &vecOffset, &bytes);
if (status != B_OK || !bufferOverflow) if (status != B_OK || !bufferOverflow)
@@ -404,7 +404,7 @@ bfs_write_pages(fs_volume _fs, fs_vnode _node, fs_cookie _cookie, off_t pos,
bool bufferOverflow = status == B_BUFFER_OVERFLOW; bool bufferOverflow = status == B_BUFFER_OVERFLOW;
size_t bytes; size_t bytes = bytesLeft;
status = write_file_io_vec_pages(volume->Device(), fileVecs, status = write_file_io_vec_pages(volume->Device(), fileVecs,
fileVecCount, vecs, count, &vecIndex, &vecOffset, &bytes); fileVecCount, vecs, count, &vecIndex, &vecOffset, &bytes);
if (status != B_OK || !bufferOverflow) if (status != B_OK || !bufferOverflow)
src/add-ons/kernel/file_systems/fat/file.c
+2 -2
View File
@@ -1505,7 +1505,7 @@ dosfs_read_pages(fs_volume _fs, fs_vnode _node, fs_cookie _cookie, off_t pos,
struct file_io_vec fileVecs[8]; struct file_io_vec fileVecs[8];
uint32 fileVecCount = 8; uint32 fileVecCount = 8;
bool bufferOverflow; bool bufferOverflow;
size_t bytes; size_t bytes = bytesLeft;
status = file_map_translate(node->file_map, pos, bytesLeft, fileVecs, status = file_map_translate(node->file_map, pos, bytesLeft, fileVecs,
&fileVecCount); &fileVecCount);
@@ -1557,7 +1557,7 @@ dosfs_write_pages(fs_volume _fs, fs_vnode _node, fs_cookie _cookie, off_t pos,
struct file_io_vec fileVecs[8]; struct file_io_vec fileVecs[8];
uint32 fileVecCount = 8; uint32 fileVecCount = 8;
bool bufferOverflow; bool bufferOverflow;
size_t bytes; size_t bytes = bytesLeft;
status = file_map_translate(node->file_map, pos, bytesLeft, fileVecs, status = file_map_translate(node->file_map, pos, bytesLeft, fileVecs,
&fileVecCount); &fileVecCount);