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scoutfs-utils: add net free extents

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Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2018-07-05 16:19:39 -07:00
committed by Zach Brown
parent ea2ec838ec
commit f368686b89
1 changed files with 15 additions and 0 deletions
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utils/src/format.h
+15
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@@ -562,6 +562,20 @@ struct scoutfs_net_extent {
__le64 len;
} __packed;
struct scoutfs_net_extent_list {
__le64 nr;
struct {
__le64 start;
__le64 len;
} __packed extents[0];
} __packed;
#define SCOUTFS_NET_EXTENT_LIST_BYTES(nr) \
offsetof(struct scoutfs_net_extent_list, extents[nr])
/* arbitrarily makes a nice ~1k extent list payload */
#define SCOUTFS_NET_EXTENT_LIST_MAX_NR 64
/* XXX eventually we'll have net compaction and will need agents to agree */
/* one upper segment and fanout lower segments */
@@ -575,6 +589,7 @@ struct scoutfs_net_extent {
enum {
SCOUTFS_NET_ALLOC_INODES = 0,
SCOUTFS_NET_ALLOC_EXTENT,
SCOUTFS_NET_FREE_EXTENTS,
SCOUTFS_NET_ALLOC_SEGNO,
SCOUTFS_NET_RECORD_SEGMENT,
SCOUTFS_NET_ADVANCE_SEQ,