evie/android_kernel_oneplus_msm8998
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f2fs: init local extent_info to avoid stale stack info in tp

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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>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Hou Pengyang 2017-02-23 09:18:05 +00:00 • committed by Jaegeuk Kim
parent c074e1b7c1
commit c12a69d920
2 changed files with 5 additions and 5 deletions
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8
fs/f2fs/data.c
View file

@ -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) 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; struct inode *inode = dn->inode;
if (f2fs_lookup_extent_cache(inode, index, &ei)) { 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 address_space *mapping = inode->i_mapping;
struct dnode_of_data dn; struct dnode_of_data dn;
struct page *page; struct page *page;
struct extent_info ei; struct extent_info ei = {0,0,0};
int err; int err;
struct f2fs_io_info fio = { struct f2fs_io_info fio = {
.sbi = F2FS_I_SB(inode), .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; int err = 0, ofs = 1;
unsigned int ofs_in_node, last_ofs_in_node; unsigned int ofs_in_node, last_ofs_in_node;
blkcnt_t prealloc; blkcnt_t prealloc;
struct extent_info ei; struct extent_info ei = {0,0,0};
block_t blkaddr; block_t blkaddr;
if (!maxblocks) if (!maxblocks)
@ -1664,7 +1664,7 @@ static int prepare_write_begin(struct f2fs_sb_info *sbi,
struct dnode_of_data dn; struct dnode_of_data dn;
struct page *ipage; struct page *ipage;
bool locked = false; bool locked = false;
struct extent_info ei; struct extent_info ei = {0,0,0};
int err = 0; int err = 0;
/* /*

2
fs/f2fs/file.c
View file

@ -1896,7 +1896,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
{ {
struct inode *inode = file_inode(filp); struct inode *inode = file_inode(filp);
struct f2fs_map_blocks map = { .m_next_pgofs = NULL }; 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; pgoff_t pg_start, pg_end;
unsigned int blk_per_seg = sbi->blocks_per_seg; unsigned int blk_per_seg = sbi->blocks_per_seg;
unsigned int total = 0, sec_num; unsigned int total = 0, sec_num;