On 2017/10/31 9:38, Sheng Yong wrote:
> This patch introduces dump_xattr to create xattrs for dumped files.
>
> Signed-off-by: Sheng Yong <shengyo...@huawei.com>
> ---
> fsck/dump.c | 63
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
> 1 file changed, 60 insertions(+), 3 deletions(-)
>
> diff --git a/fsck/dump.c b/fsck/dump.c
> index 90fd073..01889fd 100644
> --- a/fsck/dump.c
> +++ b/fsck/dump.c
> @@ -11,6 +11,9 @@
> #include <inttypes.h>
>
> #include "fsck.h"
> +#include "xattr.h"
> +#include <attr/xattr.h>
> +#include <linux/xattr.h>
> #include <locale.h>
>
> #define BUF_SZ 80
> @@ -310,15 +313,67 @@ static void dump_node_blk(struct f2fs_sb_info *sbi, int
> ntype,
> free(node_blk);
> }
>
> +static void dump_xattr(struct f2fs_sb_info *sbi, struct f2fs_node *node_blk)
> +{
> + void *xattr;
> + struct f2fs_xattr_entry *ent;
> + char xattr_name[F2FS_NAME_LEN] = {0};
> + int ret;
> +
> + xattr = read_all_xattrs(sbi, node_blk);
> +
> + list_for_each_xattr(ent, xattr) {
> + char *name = strndup(ent->e_name, ent->e_name_len);
> + void *value = ent->e_name + ent->e_name_len;
> +
> + if (!name)
> + continue;
> +
> + switch (ent->e_name_index) {
> + case F2FS_XATTR_INDEX_USER:
> + ret = snprintf(xattr_name, F2FS_NAME_LEN, "%s%s",
> + XATTR_USER_PREFIX, name);
> + break;
> +
> + case F2FS_XATTR_INDEX_SECURITY:
> + ret = snprintf(xattr_name, F2FS_NAME_LEN, "%s%s",
> + XATTR_SECURITY_PREFIX, name);
> + break;
> + case F2FS_XATTR_INDEX_TRUSTED:
> + ret = snprintf(xattr_name, F2FS_NAME_LEN, "%s%s",
> + XATTR_TRUSTED_PREFIX, name);
> + break;
> + default:
> + MSG(0, "Unknown xattr index 0x%x\n", ent->e_name_index);
> + free(name);
> + continue;
> + }
> + if (ret >= F2FS_NAME_LEN) {
> + MSG(0, "XATTR index 0x%x name too long\n",
> ent->e_name_index);
> + free(name);
> + continue;
> + }
> +
> + DBG(1, "fd %d xattr_name %s\n", c.dump_fd, xattr_name);
> + ret = fsetxattr(c.dump_fd, xattr_name, value,
> + le16_to_cpu(ent->e_value_size), XATTR_CREATE);
> + if (ret)
if (ret == -EEXIST)
fsetxattr(,,,,XATTR_REPLACE)?
Thanks,
> + MSG(0, "XATTR index 0x%x set xattr failed error %d\n",
> + ent->e_name_index, errno);
> +
> + free(name);
> + }
> +
> + free(xattr);
> +}
> +
> static void dump_inode_blk(struct f2fs_sb_info *sbi, u32 nid,
> struct f2fs_node *node_blk)
> {
> u32 i = 0;
> u64 ofs = 0;
>
> - /* TODO: need to dump xattr */
> -
> - if((node_blk->i.i_inline & F2FS_INLINE_DATA)){
> + if((node_blk->i.i_inline & F2FS_INLINE_DATA)) {
> DBG(3, "ino[0x%x] has inline data!\n", nid);
> /* recover from inline data */
> dev_write_dump(((unsigned char *)node_blk) + INLINE_DATA_OFFSET,
> @@ -345,6 +400,8 @@ static void dump_inode_blk(struct f2fs_sb_info *sbi, u32
> nid,
> else
> ASSERT(0);
> }
> +
> + dump_xattr(sbi, node_blk);
> }
>
> static void dump_file(struct f2fs_sb_info *sbi, struct node_info *ni,
>
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