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xfs: split xfs_da3_node_read

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Split xfs_da3_node_read into one variant that always looks up the daddr
and doesn't accept holes, and one that already has a daddr at hand.
This is in preparation of splitting up xfs_da_read_buf in a similar way.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig
2019-11-20 09:46:04 -08:00
committed by Darrick J. Wong
parent f3fcb314d1
commit 02c57f0a8b
5 changed files with 82 additions and 63 deletions
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8
fs/xfs/xfs_attr_inactive.c
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@@ -233,7 +233,7 @@ xfs_attr3_node_inactive(
* traversal of the tree so we may deal with many blocks
* before we come back to this one.
*/
error = xfs_da3_node_read(*trans, dp, child_fsb, -1, &child_bp,
error = xfs_da3_node_read(*trans, dp, child_fsb, &child_bp,
XFS_ATTR_FORK);
if (error)
return error;
@@ -280,8 +280,8 @@ xfs_attr3_node_inactive(
if (i + 1 < ichdr.count) {
struct xfs_da3_icnode_hdr phdr;
error = xfs_da3_node_read(*trans, dp, 0, parent_blkno,
&bp, XFS_ATTR_FORK);
error = xfs_da3_node_read_mapped(*trans, dp,
parent_blkno, &bp, XFS_ATTR_FORK);
if (error)
return error;
xfs_da3_node_hdr_from_disk(dp->i_mount, &phdr,
@@ -322,7 +322,7 @@ xfs_attr3_root_inactive(
* the extents in reverse order the extent containing
* block 0 must still be there.
*/
error = xfs_da3_node_read(*trans, dp, 0, -1, &bp, XFS_ATTR_FORK);
error = xfs_da3_node_read(*trans, dp, 0, &bp, XFS_ATTR_FORK);
if (error)
return error;
blkno = bp->b_bn;