* [PATCH] Allow extents equal to max_zeroout to be zero-ed
@ 2016-05-30 18:23 Jun He
0 siblings, 0 replies; only message in thread
From: Jun He @ 2016-05-30 18:23 UTC (permalink / raw)
To: linux-ext4; +Cc: tytso, Jun He
Just to be consistent with the rest of the code: if size == max_zeroout,
then allow it to be zero-ed.
Signed-off-by: Jun He <jhe@cs.wisc.edu>
---
fs/ext4/extents.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 2a2eef9..dc0b04c 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3609,7 +3609,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
goto out;
split_map.m_lblk = map->m_lblk;
split_map.m_len = allocated;
- } else if (map->m_lblk - ee_block + map->m_len < max_zeroout) {
+ } else if (map->m_lblk - ee_block + map->m_len <= max_zeroout) {
/* case 2 */
if (map->m_lblk != ee_block) {
zero_ex.ee_block = ex->ee_block;
--
1.9.1
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2016-05-30 18:23 [PATCH] Allow extents equal to max_zeroout to be zero-ed Jun He
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