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From: Ivan Shapovalov <intelfx100@gmail.com>
To: reiserfs-devel@vger.kernel.org
Cc: Ivan Shapovalov <intelfx100@gmail.com>
Subject: [PATCH 3/3] reiser4: discard: handle incomplete erase units at the end of a partition.
Date: Fri, 13 Feb 2015 08:02:58 +0300	[thread overview]
Message-ID: <1423803778-19698-4-git-send-email-intelfx100@gmail.com> (raw)
In-Reply-To: <1423803778-19698-1-git-send-email-intelfx100@gmail.com>

Signed-off-by: Ivan Shapovalov <intelfx100@gmail.com>
---
 fs/reiser4/discard.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/reiser4/discard.c b/fs/reiser4/discard.c
index 10c1707..6163ea2 100644
--- a/fs/reiser4/discard.c
+++ b/fs/reiser4/discard.c
@@ -542,7 +542,8 @@ static int discard_precise_extents(struct list_head *head)
 					last_padding_end = end;
 					last_padding_clean = 1;
 
-				} else if (try_allocate_blocks(end, tailp)) {
+				} else if (end + tailp <= reiser4_block_count(sb) &&
+					   try_allocate_blocks(end, tailp)) {
 					/*
 					 * tail padding is clean,
 					 * pad the tail
-- 
2.3.0


  parent reply	other threads:[~2015-02-13  5:02 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-13  5:02 [PATCH 0/3] reiser4: precise discard: fixes on top of everything Ivan Shapovalov
2015-02-13  5:02 ` [PATCH 1/3] reiser4: discard: signify non-idempotence of check_free_blocks() by changing its name Ivan Shapovalov
2015-02-13  5:02 ` [PATCH 2/3] reiser4: discard: avoid checking same blocks multiple times Ivan Shapovalov
2015-02-13  9:04   ` Edward Shishkin
2015-02-13  5:02 ` Ivan Shapovalov [this message]
2015-02-13  9:05   ` [PATCH 3/3] reiser4: discard: handle incomplete erase units at the end of a partition Edward Shishkin

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