diff options
| author | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-06-18 08:36:46 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-06-18 08:36:46 +0100 |
| commit | 0107b3cf3225aed6ddde4fa8dbcd4ed643b34f4d (patch) | |
| tree | 9b9337ae627fc56a0eda43c60860765f25efaa0b /mm/filemap.c | |
| parent | 1c3f45ab2f7f879ea482501c83899505c31f7539 (diff) | |
| parent | 9ee1c939d1cb936b1f98e8d81aeffab57bae46ab (diff) | |
Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 1d33fec7bac..4a2fee2cb62 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1968,6 +1968,7 @@ generic_file_buffered_write(struct kiocb *iocb, const struct iovec *iov, do { unsigned long index; unsigned long offset; + unsigned long maxlen; size_t copied; offset = (pos & (PAGE_CACHE_SIZE -1)); /* Within page */ @@ -1982,7 +1983,10 @@ generic_file_buffered_write(struct kiocb *iocb, const struct iovec *iov, * same page as we're writing to, without it being marked * up-to-date. */ - fault_in_pages_readable(buf, bytes); + maxlen = cur_iov->iov_len - iov_base; + if (maxlen > bytes) + maxlen = bytes; + fault_in_pages_readable(buf, maxlen); page = __grab_cache_page(mapping,index,&cached_page,&lru_pvec); if (!page) { @@ -2024,6 +2028,8 @@ generic_file_buffered_write(struct kiocb *iocb, const struct iovec *iov, filemap_set_next_iovec(&cur_iov, &iov_base, status); buf = cur_iov->iov_base + iov_base; + } else { + iov_base += status; } } } |