Signed-off-by: Ivan Shapovalov <intelfx100@xxxxxxxxx>
---
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
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