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24 * Copyright (c) 2012 Whamcloud, Inc.
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28 #include "lquota_internal.h"
30 #ifndef _QSD_INTERNAL_H
31 #define _QSD_INTERNAL_H
36 * A QSD instance implements quota enforcement support for a given OSD.
37 * The instance can be created via qsd_init() and then freed with qsd_fini().
38 * This structure gathers all quota parameters and pointers to on-disk indexes
39 * required on quota slave to:
40 * i. acquire/release quota space from the QMT;
41 * ii. allocate this quota space to local requests.
44 /* name of service which created this qsd instance */
45 char qsd_svname[MAX_OBD_NAME];
47 /* dt_device associated with this qsd instance */
48 struct dt_device *qsd_dev;
50 /* procfs directory where information related to the underlying slaves
52 cfs_proc_dir_entry_t *qsd_proc;
54 /* We create 2 quota slave instances:
55 * - one for user quota
56 * - one for group quota
58 * This will have to be revisited if new quota types are added in the
59 * future. For the time being, we can just use an array. */
60 struct qsd_qtype_info *qsd_type_array[MAXQUOTAS];
64 * Per-type quota information.
65 * Quota slave instance for a specific quota type. The qsd instance has one such
66 * structure for each quota type (i.e. user & group).
68 struct qsd_qtype_info {
69 /* quota type, either USRQUOTA or GRPQUOTA
70 * immutable after creation. */
73 /* back pointer to qsd device
74 * immutable after creation. */
75 struct qsd_instance *qqi_qsd;
77 /* Local index files storing quota settings for this quota type */
78 struct dt_object *qqi_acct_obj; /* accounting object */
80 #endif /* _QSD_INTERNAL_H */