ocfs2: Fix some casting errors related to file writes
ocfs2_align_clusters_to_page_index() needs to cast the clusters shift to
pgoff_t and ocfs2_file_buffered_write() needs loff_t when calculating
destination start for memcpy.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 7e508e2..b1ae4c7 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1959,7 +1959,7 @@
}
dst = kmap_atomic(page, KM_USER0);
- memcpy(dst + (pos & (PAGE_CACHE_SIZE - 1)), buf, bytes);
+ memcpy(dst + (pos & (loff_t)(PAGE_CACHE_SIZE - 1)), buf, bytes);
kunmap_atomic(dst, KM_USER0);
flush_dcache_page(page);
ocfs2_put_write_source(user_page);
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 5cc90a4..5830785 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -494,16 +494,16 @@
/*
* Find the 1st page index which covers the given clusters.
*/
-static inline unsigned long ocfs2_align_clusters_to_page_index(struct super_block *sb,
+static inline pgoff_t ocfs2_align_clusters_to_page_index(struct super_block *sb,
u32 clusters)
{
unsigned int cbits = OCFS2_SB(sb)->s_clustersize_bits;
- unsigned long index = clusters;
+ pgoff_t index = clusters;
if (PAGE_CACHE_SHIFT > cbits) {
- index = clusters >> (PAGE_CACHE_SHIFT - cbits);
+ index = (pgoff_t)clusters >> (PAGE_CACHE_SHIFT - cbits);
} else if (PAGE_CACHE_SHIFT < cbits) {
- index = clusters << (cbits - PAGE_CACHE_SHIFT);
+ index = (pgoff_t)clusters << (cbits - PAGE_CACHE_SHIFT);
}
return index;
