| Message ID | 1228139026-22736-4-git-send-email-aneesh.kumar@linux.vnet.ibm.com |
|---|---|
| State | Superseded, archived |
| Headers | show |
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 8f33691..01c86f3 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -846,6 +846,8 @@ static int ext4_mb_init_cache(struct page *page, char *incore) err = 0; first_block = page->index * blocks_per_page; + /* init the page */ + memset(page_address(page), 0xff, PAGE_CACHE_SIZE); for (i = 0; i < blocks_per_page; i++) { int group; struct ext4_group_info *grinfo;
We need to init the complete page during buddy cache init by setting the contents to '1'. This ensures that during resize when we increment the s_groups_count we don't hit the erros as below. EXT4-fs error (device sdb1): ext4_mb_mark_diskspace_used: Allocating block 1040385 in system zone of 127 group Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> --- fs/ext4/mballoc.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)