xfs: remove the inode log format from the inode log item

No need to keep the inode log format around all the time, we can
easily generate it at iop_format time.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index 45224d2..686889b 100644 (file)
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -370,17 +370,21 @@ xfs_inode_item_format(
        struct xfs_inode_log_format *ilf;
        struct xfs_log_iovec    *vecp = NULL;
 
-       ilf = xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_IFORMAT,
-                       &iip->ili_format,
-                       sizeof(struct xfs_inode_log_format));
-       ilf->ilf_size = 1;
+       ilf = xlog_prepare_iovec(lv, &vecp, XLOG_REG_TYPE_IFORMAT);
+       ilf->ilf_type = XFS_LI_INODE;
+       ilf->ilf_ino = ip->i_ino;
+       ilf->ilf_blkno = ip->i_imap.im_blkno;
+       ilf->ilf_len = ip->i_imap.im_len;
+       ilf->ilf_boffset = ip->i_imap.im_boffset;
+       ilf->ilf_fields = XFS_ILOG_CORE;
+       ilf->ilf_size = 2; /* format + core */
+       xlog_finish_iovec(lv, vecp, sizeof(struct xfs_inode_log_format));
 
        if (ip->i_d.di_version == 1)
                xfs_inode_item_format_v1_inode(ip);
        xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_ICORE,
                        &ip->i_d,
                        xfs_icdinode_size(ip->i_d.di_version));
-       ilf->ilf_size++;
 
        xfs_inode_item_format_data_fork(iip, ilf, lv, &vecp);
        if (XFS_IFORK_Q(ip)) {
@@ -390,14 +394,8 @@ xfs_inode_item_format(
                        ~(XFS_ILOG_ADATA | XFS_ILOG_ABROOT | XFS_ILOG_AEXT);
        }
 
-       /*
-        * Now update the log format that goes out to disk from the in-core
-        * values.  We always write the inode core to make the arithmetic
-        * games in recovery easier, which isn't a big deal as just about any
-        * transaction would dirty it anyway.
-        */
-       iip->ili_format.ilf_fields = XFS_ILOG_CORE |
-               (iip->ili_fields & ~XFS_ILOG_TIMESTAMP);
+       /* update the format with the exact fields we actually logged */
+       ilf->ilf_fields |= (iip->ili_fields & ~XFS_ILOG_TIMESTAMP);
 }
 
 /*
@@ -601,11 +599,6 @@ xfs_inode_item_init(
        iip->ili_inode = ip;
        xfs_log_item_init(mp, &iip->ili_item, XFS_LI_INODE,
                                                &xfs_inode_item_ops);
-       iip->ili_format.ilf_type = XFS_LI_INODE;
-       iip->ili_format.ilf_ino = ip->i_ino;
-       iip->ili_format.ilf_blkno = ip->i_imap.im_blkno;
-       iip->ili_format.ilf_len = ip->i_imap.im_len;
-       iip->ili_format.ilf_boffset = ip->i_imap.im_boffset;
 }
 
 /*

diff --git a/fs/xfs/xfs_inode_item.h b/fs/xfs/xfs_inode_item.h
index 29b5f2b..488d812 100644 (file)
--- a/fs/xfs/xfs_inode_item.h
+++ b/fs/xfs/xfs_inode_item.h
@@ -34,7 +34,6 @@ typedef struct xfs_inode_log_item {
        unsigned short          ili_logged;        /* flushed logged data */
        unsigned int            ili_last_fields;   /* fields when flushed */
        unsigned int            ili_fields;        /* fields to be logged */
-       xfs_inode_log_format_t  ili_format;        /* logged structure */
 } xfs_inode_log_item_t;
 
 static inline int xfs_inode_clean(xfs_inode_t *ip)