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-rw-r--r--fs/direct-io.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/direct-io.c b/fs/direct-io.c
index 30dbbd1df511..848044af7e16 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -857,6 +857,7 @@ do_holes:
/* Handle holes */
if (!buffer_mapped(map_bh)) {
char *kaddr;
+ loff_t i_size_aligned;
/* AKPM: eargh, -ENOTBLK is a hack */
if (dio->rw == WRITE) {
@@ -864,8 +865,14 @@ do_holes:
return -ENOTBLK;
}
+ /*
+ * Be sure to account for a partial block as the
+ * last block in the file
+ */
+ i_size_aligned = ALIGN(i_size_read(dio->inode),
+ 1 << blkbits);
if (dio->block_in_file >=
- i_size_read(dio->inode)>>blkbits) {
+ i_size_aligned >> blkbits) {
/* We hit eof */
page_cache_release(page);
goto out;