From 195b0a44ab73f0275683e7a0b1985751ea2ef6ae Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 8 Nov 2019 14:57:53 -0800 Subject: [PATCH] xfs: make the xfs_dir3_icfree_hdr available to xfs_dir2_node_addname_int Return the xfs_dir3_icfree_hdr used by the helpers called from xfs_dir2_node_addname_int to the main function to prepare for the next round of changes where we'll use the ichdr in xfs_dir3_icfree_hdr to avoid extra operations to find the bests pointers. Signed-off-by: Christoph Hellwig Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_dir2_node.c | 42 ++++++++++++++++++++---------------------- 1 file changed, 20 insertions(+), 22 deletions(-) diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c index 4e49ac6..6d67cea 100644 --- a/fs/xfs/libxfs/xfs_dir2_node.c +++ b/fs/xfs/libxfs/xfs_dir2_node.c @@ -1666,14 +1666,13 @@ xfs_dir2_node_add_datablk( xfs_dir2_db_t *dbno, struct xfs_buf **dbpp, struct xfs_buf **fbpp, + struct xfs_dir3_icfree_hdr *hdr, int *findex) { struct xfs_inode *dp = args->dp; struct xfs_trans *tp = args->trans; struct xfs_mount *mp = dp->i_mount; - struct xfs_dir3_icfree_hdr freehdr; struct xfs_dir2_data_free *bf; - struct xfs_dir2_data_hdr *hdr; struct xfs_dir2_free *free = NULL; xfs_dir2_db_t fbno; struct xfs_buf *fbp; @@ -1736,25 +1735,25 @@ xfs_dir2_node_add_datablk( return error; free = fbp->b_addr; bests = dp->d_ops->free_bests_p(free); - xfs_dir2_free_hdr_from_disk(mp, &freehdr, free); + xfs_dir2_free_hdr_from_disk(mp, hdr, free); /* Remember the first slot as our empty slot. */ - freehdr.firstdb = (fbno - xfs_dir2_byte_to_db(args->geo, + hdr->firstdb = (fbno - xfs_dir2_byte_to_db(args->geo, XFS_DIR2_FREE_OFFSET)) * dp->d_ops->free_max_bests(args->geo); } else { free = fbp->b_addr; bests = dp->d_ops->free_bests_p(free); - xfs_dir2_free_hdr_from_disk(mp, &freehdr, free); + xfs_dir2_free_hdr_from_disk(mp, hdr, free); } /* Set the freespace block index from the data block number. */ *findex = dp->d_ops->db_to_fdindex(args->geo, *dbno); /* Extend the freespace table if the new data block is off the end. */ - if (*findex >= freehdr.nvalid) { + if (*findex >= hdr->nvalid) { ASSERT(*findex < dp->d_ops->free_max_bests(args->geo)); - freehdr.nvalid = *findex + 1; + hdr->nvalid = *findex + 1; bests[*findex] = cpu_to_be16(NULLDATAOFF); } @@ -1763,14 +1762,13 @@ xfs_dir2_node_add_datablk( * true) then update the header. */ if (bests[*findex] == cpu_to_be16(NULLDATAOFF)) { - freehdr.nused++; - xfs_dir2_free_hdr_to_disk(mp, fbp->b_addr, &freehdr); + hdr->nused++; + xfs_dir2_free_hdr_to_disk(mp, fbp->b_addr, hdr); xfs_dir2_free_log_header(args, fbp); } /* Update the freespace value for the new block in the table. */ - hdr = dbp->b_addr; - bf = dp->d_ops->data_bestfree_p(hdr); + bf = dp->d_ops->data_bestfree_p(dbp->b_addr); bests[*findex] = bf[0].length; *dbpp = dbp; @@ -1784,10 +1782,10 @@ xfs_dir2_node_find_freeblk( struct xfs_da_state_blk *fblk, xfs_dir2_db_t *dbnop, struct xfs_buf **fbpp, + struct xfs_dir3_icfree_hdr *hdr, int *findexp, int length) { - struct xfs_dir3_icfree_hdr freehdr; struct xfs_dir2_free *free = NULL; struct xfs_inode *dp = args->dp; struct xfs_trans *tp = args->trans; @@ -1814,13 +1812,12 @@ xfs_dir2_node_find_freeblk( if (findex >= 0) { /* caller already found the freespace for us. */ bests = dp->d_ops->free_bests_p(free); - xfs_dir2_free_hdr_from_disk(dp->i_mount, &freehdr, - free); + xfs_dir2_free_hdr_from_disk(dp->i_mount, hdr, free); - ASSERT(findex < freehdr.nvalid); + ASSERT(findex < hdr->nvalid); ASSERT(be16_to_cpu(bests[findex]) != NULLDATAOFF); ASSERT(be16_to_cpu(bests[findex]) >= length); - dbno = freehdr.firstdb + findex; + dbno = hdr->firstdb + findex; goto found_block; } @@ -1864,13 +1861,13 @@ xfs_dir2_node_find_freeblk( free = fbp->b_addr; bests = dp->d_ops->free_bests_p(free); - xfs_dir2_free_hdr_from_disk(dp->i_mount, &freehdr, free); + xfs_dir2_free_hdr_from_disk(dp->i_mount, hdr, free); /* Scan the free entry array for a large enough free space. */ - for (findex = freehdr.nvalid - 1; findex >= 0; findex--) { + for (findex = hdr->nvalid - 1; findex >= 0; findex--) { if (be16_to_cpu(bests[findex]) != NULLDATAOFF && be16_to_cpu(bests[findex]) >= length) { - dbno = freehdr.firstdb + findex; + dbno = hdr->firstdb + findex; goto found_block; } } @@ -1904,6 +1901,7 @@ xfs_dir2_node_addname_int( struct xfs_dir2_free *free = NULL; /* freespace block structure */ struct xfs_trans *tp = args->trans; struct xfs_inode *dp = args->dp; + struct xfs_dir3_icfree_hdr freehdr; struct xfs_buf *dbp; /* data block buffer */ struct xfs_buf *fbp; /* freespace buffer */ xfs_dir2_data_aoff_t aoff; @@ -1918,8 +1916,8 @@ xfs_dir2_node_addname_int( __be16 *bests; length = dp->d_ops->data_entsize(args->namelen); - error = xfs_dir2_node_find_freeblk(args, fblk, &dbno, &fbp, &findex, - length); + error = xfs_dir2_node_find_freeblk(args, fblk, &dbno, &fbp, &freehdr, + &findex, length); if (error) return error; @@ -1941,7 +1939,7 @@ xfs_dir2_node_addname_int( /* we're going to have to log the free block index later */ logfree = 1; error = xfs_dir2_node_add_datablk(args, fblk, &dbno, &dbp, &fbp, - &findex); + &freehdr, &findex); } else { /* Read the data block in. */ error = xfs_dir3_data_read(tp, dp, -- 2.7.4