From: Mark Tinguely <tinguely@sgi.com>
To: xfs@oss.sgi.com
Subject: [RFC 06/17] xfs: (parent ptr) add parent pointer support to inode v5
Date: Wed, 15 Jan 2014 16:00:18 -0600 [thread overview]
Message-ID: <20140116000851.652857621@sgi.com> (raw)
In-Reply-To: 20140115220012.624438534@sgi.com
[-- Attachment #1: 06-pptr-add-inode-incore.patch --]
[-- Type: text/plain, Size: 2677 bytes --]
Add the fields to inode v5 to track the parent inode number
and this entry's offset in the parent inode leaving the entries
in disk format.
---
fs/xfs/xfs_dinode.h | 4 +++-
fs/xfs/xfs_inode_buf.c | 6 ++++++
fs/xfs/xfs_log_format.h | 4 +++-
3 files changed, 12 insertions(+), 2 deletions(-)
Index: b/fs/xfs/xfs_dinode.h
===================================================================
--- a/fs/xfs/xfs_dinode.h
+++ b/fs/xfs/xfs_dinode.h
@@ -79,7 +79,9 @@ typedef struct xfs_dinode {
__be64 di_changecount; /* number of attribute changes */
__be64 di_lsn; /* flush sequence */
__be64 di_flags2; /* more random flags */
- __u8 di_pad2[16]; /* more padding for future expansion */
+ __be64 di_parent; /* inode of parent directory */
+ __be32 di_poffset; /* offset into parent directory */
+ __u8 di_pad2[4]; /* more padding for future expansion */
/* fields only written to during inode creation */
xfs_timestamp_t di_crtime; /* time created */
Index: b/fs/xfs/xfs_inode_buf.c
===================================================================
--- a/fs/xfs/xfs_inode_buf.c
+++ b/fs/xfs/xfs_inode_buf.c
@@ -238,6 +238,9 @@ xfs_dinode_from_disk(
to->di_lsn = be64_to_cpu(from->di_lsn);
memcpy(to->di_pad2, from->di_pad2, sizeof(to->di_pad2));
uuid_copy(&to->di_uuid, &from->di_uuid);
+ /* parent pointer information is left in disk order */
+ to->di_parent = from->di_parent;
+ to->di_poffset = from->di_poffset;
}
}
@@ -285,6 +288,9 @@ xfs_dinode_to_disk(
memcpy(to->di_pad2, from->di_pad2, sizeof(to->di_pad2));
uuid_copy(&to->di_uuid, &from->di_uuid);
to->di_flushiter = 0;
+ /* parent pointer information is in disk order */
+ to->di_parent = from->di_parent;
+ to->di_poffset = from->di_poffset;
} else {
to->di_flushiter = cpu_to_be16(from->di_flushiter);
}
Index: b/fs/xfs/xfs_log_format.h
===================================================================
--- a/fs/xfs/xfs_log_format.h
+++ b/fs/xfs/xfs_log_format.h
@@ -399,7 +399,9 @@ typedef struct xfs_icdinode {
__uint64_t di_changecount; /* number of attribute changes */
xfs_lsn_t di_lsn; /* flush sequence */
__uint64_t di_flags2; /* more random flags */
- __uint8_t di_pad2[16]; /* more padding for future expansion */
+ __uint64_t di_parent; /* inode of parent directory */
+ __uint32_t di_poffset; /* offset into parent directory */
+ __uint8_t di_pad2[4]; /* more padding for future expansion */
/* fields only written to during inode creation */
xfs_ictimestamp_t di_crtime; /* time created */
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next prev parent reply other threads:[~2014-01-16 0:30 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-15 22:00 [RFC 00/17] RFC parent inode pointers Mark Tinguely
2014-01-15 22:00 ` [RFC 01/17] xfs: (parent ptr) get offset when adding directory name Mark Tinguely
2014-01-15 22:00 ` [RFC 02/17] xfs: (parent ptr) get offset when removing " Mark Tinguely
2014-01-15 22:00 ` [RFC 03/17] xfs: (parent ptr) get offset when replacing a " Mark Tinguely
2014-01-15 22:00 ` [RFC 04/17] xfs: (parent ptr) add parent pointer support to xfs_sb.h Mark Tinguely
2014-01-15 22:00 ` [RFC 05/17] xfs: (parent ptr) add parent pointer support to attribute code Mark Tinguely
2014-01-15 22:00 ` Mark Tinguely [this message]
2014-01-15 22:00 ` [RFC 07/17] xfs: (parent ptr) add parent pointer support to xfs_create Mark Tinguely
2014-01-15 22:00 ` [RFC 08/17] xfs: (parent ptr) add parent pointer support to xfs_symlink Mark Tinguely
2014-01-15 22:00 ` [RFC 09/17] xfs: (parent ptr) add parent pointer support to xfs_link Mark Tinguely
2014-01-15 22:00 ` [RFC 10/17] xfs: (parent ptr) add parent pointer support to xfs_remove Mark Tinguely
2014-01-15 22:00 ` [RFC 11/17] xfs: (parent ptr) add parent pointer support to xfs_rename Mark Tinguely
2014-01-15 22:00 ` [RFC 12/17] xfs: (parent ptr) add parent pointer support for user space Mark Tinguely
2014-01-15 22:00 ` [RFC 13/17] xfsprogs: add parent pointer support into Linux 3.10 inode 3 Mark Tinguely
2014-01-15 22:00 ` [RFC 14/17] xfsprogs: add parent pointer values to headers and fix repair Mark Tinguely
2014-01-15 22:00 ` [RFC 15/17] xfsprogs: add basic parent pointer support to xfs_db Mark Tinguely
2014-01-15 22:00 ` [RFC 16/17] xfsprogs: add parent pointer support to xfs_io Mark Tinguely
2014-01-15 22:00 ` [RFC 17/17] xfsprogs: add parent GEOM information Mark Tinguely
2014-01-16 5:56 ` [RFC 00/17] RFC parent inode pointers Dave Chinner
2014-01-17 21:25 ` Mark Tinguely
2014-01-18 3:12 ` Dave Chinner
2014-01-27 19:41 ` Mark Tinguely
2014-01-28 3:00 ` Dave Chinner
2014-01-28 22:02 ` Geoffrey Wehrman
2014-02-04 0:09 ` Dave Chinner
2014-02-04 5:37 ` Geoffrey Wehrman
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