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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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3
fs/quota/dquot.c
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@ -1847,6 +1847,7 @@ const struct dquot_operations dquot_operations = {
.alloc_dquot = dquot_alloc,
.destroy_dquot = dquot_destroy,
};
EXPORT_SYMBOL(dquot_operations);
/*
* Generic helper for ->open on filesystems supporting disk quotas.
@ -2491,7 +2492,7 @@ const struct quotactl_ops vfs_quotactl_ops = {
.get_dqblk = vfs_get_dqblk,
.set_dqblk = vfs_set_dqblk
};
EXPORT_SYMBOL(vfs_quotactl_ops);
static int do_proc_dqstats(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)