The commit is pushed to "branch-rh7-3.10.0-229.7.2.vz7.9.x-ovz" and will appear
at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-229.7.2.vz7.9.16
------>
commit 997ca8c91fc99a9596ec6715c1eb7e964dcc9d97
Author: Dmitry Monakhov <dmonak...@openvz.org>
Date: Mon Dec 14 10:09:35 2015 +0400
ext4: ext4_split_extent_at should not cache tail extent
calltrace
collapse_range
es_remove_extent => clear extent status tree
remove_space
ext4_split_extent_at => cache it again, ERROR because no one will cleanup
it for us.
shift_extents
TESTCASE:
xfs_io -f -d \
-c "falloc -k 40k 80k " \
-c "falloc -k 20k 100k " \
-c "pwrite -S 0xaa -b 128k 64k 128k" \
-c "fcollapse 0k 44k" \
/mnt/t
Introduced by this commit: 6682179c7a7ef4368
(ext4: update defragmentation codebase) - flag was missed during port
https://jira.sw.ru/browse/PSBM-40580
Signed-off-by: Dmitry Monakhov <dmonak...@openvz.org>
---
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 3d288ba..499e6c8 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -300,7 +300,7 @@ ext4_force_split_extent_at(handle_t *handle, struct inode
*inode,
return ext4_split_extent_at(handle, inode, path, lblk, unwritten ?
EXT4_EXT_MARK_UNWRIT1|EXT4_EXT_MARK_UNWRIT2 : 0,
- EXT4_GET_BLOCKS_PRE_IO |
+ EXT4_EX_NOCACHE|EXT4_GET_BLOCKS_PRE_IO |
(nofail ? EXT4_GET_BLOCKS_METADATA_NOFAIL:0));
}
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