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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 <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Christoph Hellwig
2010-05-19 07:16:44 -04:00
committed by Jan Kara
parent 307ae18a56
commit 123e9caf1e
7 changed files with 22 additions and 15 deletions
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4
fs/jfs/super.c
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@@ -481,6 +481,10 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
*/
sb->s_op = &jfs_super_operations;
sb->s_export_op = &jfs_export_operations;
#ifdef CONFIG_QUOTA
sb->dq_op = &dquot_operations;
sb->s_qcop = &vfs_quotactl_ops;
#endif
/*
* Initialize direct-mapping inode/address-space