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cifs: fix up get_numpages

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Use DIV_ROUND_UP. Also, PAGE_SIZE is more appropriate here since these
aren't pagecache pages.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Pavel Shilovsky <piastry@etersoft.ru>
This commit is contained in:
Jeff Layton
2012-03-23 14:40:56 -04:00
parent 35ebb4155f
commit a7103b99e4
1 changed files with 1 additions and 3 deletions
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4
fs/cifs/file.c
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@@ -2071,9 +2071,7 @@ size_t get_numpages(const size_t wsize, const size_t len, size_t *cur_len)
size_t clen; size_t clen;
clen = min_t(const size_t, len, wsize); clen = min_t(const size_t, len, wsize);
num_pages = clen / PAGE_CACHE_SIZE; num_pages = DIV_ROUND_UP(clen, PAGE_SIZE);
if (clen % PAGE_CACHE_SIZE)
num_pages++;
if (cur_len) if (cur_len)
*cur_len = clen; *cur_len = clen;