diff options
| author | David Howells <dhowells@redhat.com> | 2017-07-05 16:24:56 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-07-11 06:05:50 -0400 |
| commit | a66ca4146f3f736ff968c099926ccb1c1761b1a4 (patch) | |
| tree | 88d661c76a1f2960f51489d440609230ab715130 /arch/powerpc | |
| parent | 4cc7c1864bbd4cf80f6bdc8ba3217de5aa5f4688 (diff) | |
spufs: Implement show_options
Implement the show_options superblock op for spufs as part of a bid to get
rid of s_options and generic_show_options() to make it easier to implement
a context-based mount where the mount options can be passed individually
over a file descriptor.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Jeremy Kerr <jk@ozlabs.org>
cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/inode.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index d8af9bc0489f..9558d725a99b 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -605,6 +605,24 @@ static const match_table_t spufs_tokens = { { Opt_err, NULL }, }; +static int spufs_show_options(struct seq_file *m, struct dentry *root) +{ + struct spufs_sb_info *sbi = spufs_get_sb_info(root->d_sb); + struct inode *inode = root->d_inode; + + if (!uid_eq(inode->i_uid, GLOBAL_ROOT_UID)) + seq_printf(m, ",uid=%u", + from_kuid_munged(&init_user_ns, inode->i_uid)); + if (!gid_eq(inode->i_gid, GLOBAL_ROOT_GID)) + seq_printf(m, ",gid=%u", + from_kgid_munged(&init_user_ns, inode->i_gid)); + if ((inode->i_mode & S_IALLUGO) != 0775) + seq_printf(m, ",mode=%o", inode->i_mode); + if (sbi->debug) + seq_puts(m, ",debug"); + return 0; +} + static int spufs_parse_options(struct super_block *sb, char *options, struct inode *root) { @@ -724,11 +742,9 @@ spufs_fill_super(struct super_block *sb, void *data, int silent) .destroy_inode = spufs_destroy_inode, .statfs = simple_statfs, .evict_inode = spufs_evict_inode, - .show_options = generic_show_options, + .show_options = spufs_show_options, }; - save_mount_options(sb, data); - info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; |