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authorWim Van Sebroeck <wim@iguana.be>2007-05-11 19:03:13 +0000
committerWim Van Sebroeck <wim@iguana.be>2007-05-11 19:03:13 +0000
commit5c34202b8bf942da411b6599668a76b07449bbfd (patch)
tree5719c361321eaddc8e4f1b0c8a7994f0e9a6fdd3 /fs/nfs/internal.h
parent0d4804b31f91cfbcff6d62af0bc09a893a1c8ae0 (diff)
parent1f8a6b658a943b4f04a1fc7b3a420360202c86cd (diff)
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Merge /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/nfs/internal.h')
-rw-r--r--fs/nfs/internal.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 6610f2b0207..ad2b40db1e6 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -231,3 +231,15 @@ unsigned int nfs_page_length(struct page *page)
}
return 0;
}
+
+/*
+ * Determine the number of pages in an array of length 'len' and
+ * with a base offset of 'base'
+ */
+static inline
+unsigned int nfs_page_array_len(unsigned int base, size_t len)
+{
+ return ((unsigned long)len + (unsigned long)base +
+ PAGE_SIZE - 1) >> PAGE_SHIFT;
+}
+