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fscrypt: remove unneeded empty fscrypt_operations structs

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In the case where a filesystem has been configured without encryption
support, there is no longer any need to initialize ->s_cop at all, since
none of the methods are ever called.

Reviewed-by: Chao Yu <[email protected]>
Acked-by: Dave Chinner <[email protected]>
Signed-off-by: Eric Biggers <[email protected]>
Signed-off-by: Theodore Ts'o <[email protected]>
This commit is contained in:
Eric Biggers 2017-10-09 12:15:38 -07:00 • committed by Theodore Ts'o
commit ffcc41829a
3 changed files with 6 additions and 11 deletions
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7
fs/ubifs/super.c
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@ -2007,11 +2007,6 @@ static struct ubifs_info *alloc_ubifs_info(struct ubi_volume_desc *ubi)
return c;
}
#ifndef CONFIG_UBIFS_FS_ENCRYPTION
const struct fscrypt_operations ubifs_crypt_operations = {
};
#endif
static int ubifs_fill_super(struct super_block *sb, void *data, int silent)
{
struct ubifs_info *c = sb->s_fs_info;
@ -2054,7 +2049,9 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_maxbytes = c->max_inode_sz = MAX_LFS_FILESIZE;
sb->s_op = &ubifs_super_operations;
sb->s_xattr = ubifs_xattr_handlers;
#ifdef CONFIG_UBIFS_FS_ENCRYPTION
sb->s_cop = &ubifs_crypt_operations;
#endif
mutex_lock(&c->umount_mutex);
err = mount_ubifs(c);