[PATCH] swap: update swapfile i_sem comment
Update swap extents comment: nowadays we guard with S_SWAPFILE not i_sem.
Signed-off-by: Hugh Dickins <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 60cd24a..9f46d83 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -926,7 +926,7 @@
* requirements, they are simply tossed out - we will never use those blocks
* for swapping.
*
- * For S_ISREG swapfiles we hold i_sem across the life of the swapon. This
+ * For S_ISREG swapfiles we set S_SWAPFILE across the life of the swapon. This
* prevents root from shooting her foot off by ftruncating an in-use swapfile,
* which will scribble on the fs.
*
