[PATCH] mm: fix comments for invalidate_inode_pages2()

[Peng Tao <bergwolf@gmail.com>]

invalidate_inode_pages2() returns -EBUSY *NOT* -EIO if any pages could not be
invalidated.

Signed-off-by: Peng Tao <bergwolf@gmail.com>
---
 mm/truncate.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mm/truncate.c b/mm/truncate.c
index 450cebd..2c147a7 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -490,7 +490,7 @@ EXPORT_SYMBOL_GPL(invalidate_inode_pages2_range);
  * Any pages which are found to be mapped into pagetables are unmapped prior to
  * invalidation.
  *
- * Returns -EIO if any pages could not be invalidated.
+ * Returns -EBUSY if any pages could not be invalidated.
  */
 int invalidate_inode_pages2(struct address_space *mapping)
 {
-- 
1.6.2-rc2.GIT