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Update format for readdir_pos

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We now track each parent dir's next readdir pos and the readdir pos of
each dirent.

Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2017-04-18 14:20:43 -07:00
parent 38c8a4901f
commit 52291b2c75
3 changed files with 10 additions and 4 deletions
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utils/src/format.h
+3
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@@ -380,6 +380,7 @@ struct scoutfs_inode {
__le64 blocks;
__le64 link_counter;
__le64 data_version;
__le64 next_readdir_pos;
__le32 nlink;
__le32 uid;
__le32 gid;
@@ -403,6 +404,7 @@ struct scoutfs_inode {
struct scoutfs_dirent {
__le64 ino;
__le64 counter;
__le64 readdir_pos;
__u8 type;
__u8 name[0];
} __packed;
@@ -435,6 +437,7 @@ struct scoutfs_dirent {
#define SCOUTFS_DIRENT_OFF_BITS 31
#define SCOUTFS_DIRENT_OFF_MASK ((1U << SCOUTFS_DIRENT_OFF_BITS) - 1)
/* getdents returns next pos with an entry, no entry at (f_pos)~0 */
#define SCOUTFS_DIRENT_FIRST_POS 2
#define SCOUTFS_DIRENT_LAST_POS (INT_MAX - 1)
enum {