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| author | Jeff Garzik <jgarzik@pretzel.yyz.us> | 2005-06-18 13:21:24 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-06-18 13:21:24 -0400 |
| commit | f9d1fe9630b94007902987c39d19f04dc6256eac (patch) | |
| tree | 1fbe757adc72469ddbc3c1e4132392164b2e0271 /mm/filemap.c | |
| parent | 54258a8a2e81b11e486068f1cfab9fe4746b8420 (diff) | |
| parent | 9ee1c939d1cb936b1f98e8d81aeffab57bae46ab (diff) | |
| download | kernel-crypto-f9d1fe9630b94007902987c39d19f04dc6256eac.tar.gz kernel-crypto-f9d1fe9630b94007902987c39d19f04dc6256eac.tar.xz kernel-crypto-f9d1fe9630b94007902987c39d19f04dc6256eac.zip | |
Merge /spare/repo/linux-2.6/
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; } } } |