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Add quota support

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Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2024-06-28 15:09:05 -07:00
parent 442980f1c9
commit 38e6f11ee4
15 changed files with 1681 additions and 0 deletions
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kmod/src/format.h
+37
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@@ -13,6 +13,7 @@
#define SCOUTFS_FORMAT_VERSION_FEAT_RETENTION 2
#define SCOUTFS_FORMAT_VERSION_FEAT_PROJECT_ID 2
#define SCOUTFS_FORMAT_VERSION_FEAT_QUOTA 2
/* statfs(2) f_type */
#define SCOUTFS_SUPER_MAGIC 0x554f4353 /* "SCOU" */
@@ -178,6 +179,10 @@ struct scoutfs_key {
#define sko_rid _sk_first
#define sko_ino _sk_second
/* quota rules */
#define skqr_hash _sk_second
#define skqr_coll_nr _sk_third
/* xattr totl */
#define skxt_a _sk_first
#define skxt_b _sk_second
@@ -588,6 +593,7 @@ struct scoutfs_log_merge_freeing {
*/
#define SCOUTFS_INODE_INDEX_ZONE 4
#define SCOUTFS_ORPHAN_ZONE 8
#define SCOUTFS_QUOTA_ZONE 10
#define SCOUTFS_XATTR_TOTL_ZONE 12
#define SCOUTFS_FS_ZONE 16
#define SCOUTFS_LOCK_ZONE 20
@@ -611,6 +617,9 @@ struct scoutfs_log_merge_freeing {
/* orphan zone, redundant type used for clarity */
#define SCOUTFS_ORPHAN_TYPE 4
/* quota zone */
#define SCOUTFS_QUOTA_RULE_TYPE 4
/* fs zone */
#define SCOUTFS_INODE_TYPE 4
#define SCOUTFS_XATTR_TYPE 8
@@ -664,6 +673,34 @@ struct scoutfs_xattr_totl_val {
__le64 count;
};
#define SQ_RF_TOTL_COUNT (1 << 0)
#define SQ_RF__UNKNOWN (~((1 << 1) - 1))
#define SQ_NS_LITERAL 0
#define SQ_NS_PROJ 1
#define SQ_NS_UID 2
#define SQ_NS_GID 3
#define SQ_NS__NR 4
#define SQ_NS__NR_SELECT (SQ_NS__NR - 1) /* !literal */
#define SQ_NF_SELECT (1 << 0)
#define SQ_NF__UNKNOWN (~((1 << 1) - 1))
#define SQ_OP_INODE 0
#define SQ_OP_DATA 1
#define SQ_OP__NR 2
struct scoutfs_quota_rule_val {
__le64 name_val[3];
__le64 limit;
__u8 prio;
__u8 op;
__u8 rule_flags;
__u8 name_source[3];
__u8 name_flags[3];
__u8 _pad[7];
};
/* XXX does this exist upstream somewhere? */
#define member_sizeof(TYPE, MEMBER) (sizeof(((TYPE *)0)->MEMBER))