quota: explicitly set ->dq_op and ->s_qcop
Only set the quota operation vectors if the filesystem actually supports quota instead of doing it for all filesystems in alloc_super(). [Jan Kara: Export dquot_operations and vfs_quotactl_ops] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
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Jan Kara
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307ae18a56
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123e9caf1e
@@ -1065,6 +1065,12 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
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sb->s_op = &ext2_sops;
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sb->s_export_op = &ext2_export_ops;
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sb->s_xattr = ext2_xattr_handlers;
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#ifdef CONFIG_QUOTA
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sb->dq_op = &dquot_operations;
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sb->s_qcop = &vfs_quotactl_ops;
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#endif
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root = ext2_iget(sb, EXT2_ROOT_INO);
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if (IS_ERR(root)) {
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ret = PTR_ERR(root);
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