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xfs: move di_changecount to VFS inode

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We can store the di_changecount in the i_version field of the VFS
inode and remove another 8 bytes from the xfs_icdinode.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Dave Chinner 2016-02-09 16:54:58 +11:00 • committed by Dave Chinner
parent 9e9a2674e4
commit 83e06f21b4
6 changed files with 9 additions and 8 deletions
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4
fs/xfs/libxfs/xfs_inode_buf.c
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@ -251,7 +251,7 @@ xfs_inode_from_disk(
to->di_flags = be16_to_cpu(from->di_flags);
if (to->di_version == 3) {
to->di_changecount = be64_to_cpu(from->di_changecount);
inode->i_version = be64_to_cpu(from->di_changecount);
to->di_crtime.t_sec = be32_to_cpu(from->di_crtime.t_sec);
to->di_crtime.t_nsec = be32_to_cpu(from->di_crtime.t_nsec);
to->di_flags2 = be64_to_cpu(from->di_flags2);
@ -300,7 +300,7 @@ xfs_inode_to_disk(
to->di_flags = cpu_to_be16(from->di_flags);
if (from->di_version == 3) {
to->di_changecount = cpu_to_be64(from->di_changecount);
to->di_changecount = cpu_to_be64(inode->i_version);
to->di_crtime.t_sec = cpu_to_be32(from->di_crtime.t_sec);
to->di_crtime.t_nsec = cpu_to_be32(from->di_crtime.t_nsec);
to->di_flags2 = cpu_to_be64(from->di_flags2);