diff options
Diffstat (limited to 'source/smbd/fileio.c')
| -rw-r--r-- | source/smbd/fileio.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/source/smbd/fileio.c b/source/smbd/fileio.c index 1227d12b08e..a5f8242d06e 100644 --- a/source/smbd/fileio.c +++ b/source/smbd/fileio.c @@ -509,15 +509,20 @@ nonop=%u allocated=%u active=%u direct=%u perfect=%u readhits=%u\n", write_path = 3; - } else if ( (pos >= wcp->file_size) && + } else if ( (pos >= wcp->file_size) && (n == 1) && - (pos < wcp->offset + 2*wcp->alloc_size) && - (wcp->file_size == wcp->offset + wcp->data_size)) { + (wcp->file_size == wcp->offset + wcp->data_size) && + (pos < wcp->file_size + wcp->alloc_size)) { /* - +---------------+ - | Cached data | - +---------------+ + + End of file ---->| + + +---------------+---------------+ + | Cached data | Cache buffer | + +---------------+---------------+ + + |<------- allocated size ---------------->| +--------+ | 1 Byte | @@ -525,13 +530,18 @@ nonop=%u allocated=%u active=%u direct=%u perfect=%u readhits=%u\n", MS-Office seems to do this a lot to determine if there's enough space on the filesystem to write a new file. - */ - SMB_BIG_UINT new_start = wcp->offset + wcp->data_size; + Change to : + + End of file ---->| + +-----------------------+--------+ + | Zeroed Cached data | 1 Byte | + +-----------------------+--------+ + */ flush_write_cache(fsp, WRITE_FLUSH); - wcp->offset = new_start; - wcp->data_size = pos - new_start + 1; + wcp->offset = wcp->file_size; + wcp->data_size = pos - wcp->file_size + 1; memset(wcp->data, '\0', wcp->data_size); memcpy(wcp->data + wcp->data_size-1, data, 1); |