The patch titled
vfs: check bh->b_blocknr only if BH_Mapped is set
has been added to the -mm tree. Its filename is
vfs-check-bh-b_blocknr-only-if-bh_mapped-is-set.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: vfs: check bh->b_blocknr only if BH_Mapped is set
From: Nikanth Karthikesan <knikanth@xxxxxxx>
Check bh->b_blocknr only if BH_Mapped is set.
Signed-off-by: Nikanth Karthikesan <knikanth@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/buffer.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN fs/buffer.c~vfs-check-bh-b_blocknr-only-if-bh_mapped-is-set fs/buffer.c
--- a/fs/buffer.c~vfs-check-bh-b_blocknr-only-if-bh_mapped-is-set
+++ a/fs/buffer.c
@@ -344,13 +344,13 @@ __find_get_block_slow(struct block_devic
head = page_buffers(page);
bh = head;
do {
- if (bh->b_blocknr == block) {
+ if (!buffer_mapped(bh))
+ all_mapped = 0;
+ else if (bh->b_blocknr == block) {
ret = bh;
get_bh(bh);
goto out_unlock;
}
- if (!buffer_mapped(bh))
- all_mapped = 0;
bh = bh->b_this_page;
} while (bh != head);
_
Patches currently in -mm which might be from knikanth@xxxxxxx are
vfs-check-bh-b_blocknr-only-if-bh_mapped-is-set.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
