Messages in this thread | | | From | Daeho Jeong <> | Date | Mon, 16 Oct 2023 08:25:21 -0700 | Subject | Re: [f2fs-dev] [PATCH] f2fs-tools: initialize allocated node area |
| |
On Sun, Oct 15, 2023 at 11:33 PM Chao Yu <chao@kernel.org> wrote: > > On 2023/10/14 6:24, Daeho Jeong wrote: > > From: Daeho Jeong <daehojeong@google.com> > > > > Need to initialize allocated node areas after memory allocation. > > > > Signed-off-by: Daeho Jeong <daehojeong@google.com> > > --- > > fsck/node.c | 1 + > > include/f2fs_fs.h | 2 ++ > > 2 files changed, 3 insertions(+) > > > > diff --git a/fsck/node.c b/fsck/node.c > > index 3761470..6508340 100644 > > --- a/fsck/node.c > > +++ b/fsck/node.c > > @@ -127,6 +127,7 @@ block_t new_node_block(struct f2fs_sb_info *sbi, > > > > node_blk = calloc(BLOCK_SZ, 1); > > calloc() has already initialized memory w/ zero, it doesn't need to reinitialize > it again?
Sorry, I was confused. :(
> > > ASSERT(node_blk); > > + memset(node_blk, 0, BLOCK_SZ); > > > > F2FS_NODE_FOOTER(node_blk)->nid = cpu_to_le32(dn->nid); > > F2FS_NODE_FOOTER(node_blk)->ino = F2FS_NODE_FOOTER(f2fs_inode)->ino; > > diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h > > index 3c7451c..7e22278 100644 > > --- a/include/f2fs_fs.h > > +++ b/include/f2fs_fs.h > > @@ -1826,6 +1826,8 @@ static inline void show_version(const char *prog) > > static inline void f2fs_init_inode(struct f2fs_super_block *sb, > > struct f2fs_node *raw_node, nid_t ino, time_t mtime, mode_t mode) > > { > > + memset(raw_node, 0, F2FS_BLKSIZE); > > Ditto, > > Thanks, > > > + > > F2FS_NODE_FOOTER(raw_node)->nid = cpu_to_le32(ino); > > F2FS_NODE_FOOTER(raw_node)->ino = cpu_to_le32(ino); > > F2FS_NODE_FOOTER(raw_node)->cp_ver = cpu_to_le64(1);
| |