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authorHou Pengyang <houpengyang@huawei.com>2017-02-23 09:18:05 +0000
committerJaegeuk Kim <jaegeuk@kernel.org>2017-02-27 09:59:50 -0800
commite15882b6c6caff427fe387e878e2f23de58c053b (patch)
tree09c855e0574eaabf733a980dd742a2c562691be4 /fs/f2fs
parent77190e1f313f5ef18a3742aa4c5b790456a5825b (diff)
downloadlinux-e15882b6c6caff427fe387e878e2f23de58c053b.tar.bz2
f2fs: init local extent_info to avoid stale stack info in tp
To avoid such stale(fops, blk, len) info in f2fs_lookup_extent_tree_end tp dio-23095 [005] ...1 17878.856859: f2fs_lookup_extent_tree_end: dev = (259,30), ino = 856, pgofs = 0, ext_info(fofs: 3441207040, blk: 4294967232, len: 3481143808) Signed-off-by: Hou Pengyang <houpengyang@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/data.c8
-rw-r--r--fs/f2fs/file.c2
2 files changed, 5 insertions, 5 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 5f3bc98a387d..f72493d8c8e4 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -511,7 +511,7 @@ int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index)
int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index)
{
- struct extent_info ei;
+ struct extent_info ei = {0,0,0};
struct inode *inode = dn->inode;
if (f2fs_lookup_extent_cache(inode, index, &ei)) {
@@ -528,7 +528,7 @@ struct page *get_read_data_page(struct inode *inode, pgoff_t index,
struct address_space *mapping = inode->i_mapping;
struct dnode_of_data dn;
struct page *page;
- struct extent_info ei;
+ struct extent_info ei = {0,0,0};
int err;
struct f2fs_io_info fio = {
.sbi = F2FS_I_SB(inode),
@@ -803,7 +803,7 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
int err = 0, ofs = 1;
unsigned int ofs_in_node, last_ofs_in_node;
blkcnt_t prealloc;
- struct extent_info ei;
+ struct extent_info ei = {0,0,0};
block_t blkaddr;
if (!maxblocks)
@@ -1667,7 +1667,7 @@ static int prepare_write_begin(struct f2fs_sb_info *sbi,
struct dnode_of_data dn;
struct page *ipage;
bool locked = false;
- struct extent_info ei;
+ struct extent_info ei = {0,0,0};
int err = 0;
/*
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 120164815030..36c156557bb1 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1877,7 +1877,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
{
struct inode *inode = file_inode(filp);
struct f2fs_map_blocks map = { .m_next_pgofs = NULL };
- struct extent_info ei;
+ struct extent_info ei = {0,0,0};
pgoff_t pg_start, pg_end;
unsigned int blk_per_seg = sbi->blocks_per_seg;
unsigned int total = 0, sec_num;