------------------------------------------------------
Subject: ext2 balloc: fix off-by-one against rsv_end
From: Hugh Dickins <[EMAIL PROTECTED]>
rsv_end is the last block within the reservation, so alloc_new_reservation
should accept start_block == rsv_end as success.
------------------------------------------------------
Sync up a ext2 reservation fix in ext3
Signed-Off-By: Mingming Cao <[EMAIL PROTECTED]>
---
linux-2.6.19-rc5-cmm/fs/ext3/balloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/ext3/balloc.c~ext3-balloc-fix-off-by-one-against-rsv_end
fs/ext3/balloc.c
---
linux-2.6.19-rc5/fs/ext3/balloc.c~ext3-balloc-fix-off-by-one-against-rsv_end
2006-11-28 19:36:58.000000000 -0800
+++ linux-2.6.19-rc5-cmm/fs/ext3/balloc.c 2006-11-28 19:36:58.000000000
-0800
@@ -1148,7 +1148,7 @@ retry:
* check if the first free block is within the
* free space we just reserved
*/
- if (start_block >= my_rsv->rsv_start && start_block < my_rsv->rsv_end)
+ if (start_block >= my_rsv->rsv_start && start_block <= my_rsv->rsv_end)
return 0; /* success */
/*
* if the first free bit we found is out of the reservable space
_
-
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