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sockfs: Get rid of getxattr iop

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If we allow pseudo-filesystems created with mount_pseudo to have xattr
handlers, we can replace sockfs_getxattr with a sockfs_xattr_get handler
to use the xattr handler name parsing.

Signed-off-by: Andreas Gruenbacher <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Andreas Gruenbacher 2016-09-29 17:48:35 +02:00 • committed by Al Viro
commit bba0bd31b1
3 changed files with 47 additions and 27 deletions
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7
fs/libfs.c
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@ -236,8 +236,8 @@ static const struct super_operations simple_super_operations = {
* Common helper for pseudo-filesystems (sockfs, pipefs, bdev - stuff that
* will never be mountable)
*/
struct dentry *mount_pseudo(struct file_system_type *fs_type, char *name,
const struct super_operations *ops,
struct dentry *mount_pseudo_xattr(struct file_system_type *fs_type, char *name,
const struct super_operations *ops, const struct xattr_handler **xattr,
const struct dentry_operations *dops, unsigned long magic)
{
struct super_block *s;
@ -254,6 +254,7 @@ struct dentry *mount_pseudo(struct file_system_type *fs_type, char *name,
s->s_blocksize_bits = PAGE_SHIFT;
s->s_magic = magic;
s->s_op = ops ? ops : &simple_super_operations;
s->s_xattr = xattr;
s->s_time_gran = 1;
root = new_inode(s);
if (!root)
@ -281,7 +282,7 @@ Enomem:
deactivate_locked_super(s);
return ERR_PTR(-ENOMEM);
}
EXPORT_SYMBOL(mount_pseudo);
EXPORT_SYMBOL(mount_pseudo_xattr);
int simple_open(struct inode *inode, struct file *file)
{