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quota: explicitly set ->dq_op and ->s_qcop

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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 <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
This commit is contained in:
Christoph Hellwig 2010-05-19 07:16:44 -04:00 • committed by Jan Kara
commit 123e9caf1e
7 changed files with 22 additions and 15 deletions
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6
fs/ext2/super.c
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@ -1065,6 +1065,12 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
sb->s_op = &ext2_sops;
sb->s_export_op = &ext2_export_ops;
sb->s_xattr = ext2_xattr_handlers;
#ifdef CONFIG_QUOTA
sb->dq_op = &dquot_operations;
sb->s_qcop = &vfs_quotactl_ops;
#endif
root = ext2_iget(sb, EXT2_ROOT_INO);
if (IS_ERR(root)) {
ret = PTR_ERR(root);