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gfs2: Convert uids and gids between dinodes and vfs inodes. 

When reading dinodes from the disk convert uids and gids
into kuids and kgids to store in vfs data structures.

When writing to dinodes to the disk convert kuids and kgids
in the in memory structures into plain uids and gids.

For now all on disk data structures are assumed to be
stored in the initial user namespace.

Cc: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2013-01-31 22:08:10 -08:00
parent 6b24c0d279
commit d054642642
3 changed files with 6 additions and 6 deletions
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4
fs/gfs2/glops.c
View File

@ -322,8 +322,8 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
break; break;
}; };
ip->i_inode.i_uid = be32_to_cpu(str->di_uid); i_uid_write(&ip->i_inode, be32_to_cpu(str->di_uid));
ip->i_inode.i_gid = be32_to_cpu(str->di_gid); i_gid_write(&ip->i_inode, be32_to_cpu(str->di_gid));
gfs2_set_nlink(&ip->i_inode, be32_to_cpu(str->di_nlink)); gfs2_set_nlink(&ip->i_inode, be32_to_cpu(str->di_nlink));
i_size_write(&ip->i_inode, be64_to_cpu(str->di_size)); i_size_write(&ip->i_inode, be64_to_cpu(str->di_size));
gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks)); gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks));

4
fs/gfs2/inode.c
View File

@ -456,8 +456,8 @@ static void init_dinode(struct gfs2_inode *dip, struct gfs2_inode *ip,
di->di_num.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino); di->di_num.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino);
di->di_num.no_addr = cpu_to_be64(ip->i_no_addr); di->di_num.no_addr = cpu_to_be64(ip->i_no_addr);
di->di_mode = cpu_to_be32(ip->i_inode.i_mode); di->di_mode = cpu_to_be32(ip->i_inode.i_mode);
di->di_uid = cpu_to_be32(ip->i_inode.i_uid); di->di_uid = cpu_to_be32(i_uid_read(&ip->i_inode));
di->di_gid = cpu_to_be32(ip->i_inode.i_gid); di->di_gid = cpu_to_be32(i_gid_read(&ip->i_inode));
di->di_nlink = 0; di->di_nlink = 0;
di->di_size = cpu_to_be64(ip->i_inode.i_size); di->di_size = cpu_to_be64(ip->i_inode.i_size);
di->di_blocks = cpu_to_be64(1); di->di_blocks = cpu_to_be64(1);

4
fs/gfs2/super.c
View File

@ -721,8 +721,8 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf)
str->di_num.no_addr = cpu_to_be64(ip->i_no_addr); str->di_num.no_addr = cpu_to_be64(ip->i_no_addr);
str->di_num.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino); str->di_num.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino);
str->di_mode = cpu_to_be32(ip->i_inode.i_mode); str->di_mode = cpu_to_be32(ip->i_inode.i_mode);
str->di_uid = cpu_to_be32(ip->i_inode.i_uid); str->di_uid = cpu_to_be32(i_uid_read(&ip->i_inode));
str->di_gid = cpu_to_be32(ip->i_inode.i_gid); str->di_gid = cpu_to_be32(i_gid_read(&ip->i_inode));
str->di_nlink = cpu_to_be32(ip->i_inode.i_nlink); str->di_nlink = cpu_to_be32(ip->i_inode.i_nlink);
str->di_size = cpu_to_be64(i_size_read(&ip->i_inode)); str->di_size = cpu_to_be64(i_size_read(&ip->i_inode));
str->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode)); str->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode));