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authorDarrick J. Wong <darrick.wong@oracle.com>2019-07-02 09:39:41 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2019-07-02 09:40:05 -0700
commitda1d9e5912477c2f090202052ddd2a77cea6669c (patch)
tree081b12962cb8fd9e64a054e211da41502e28df89 /fs/xfs/xfs_itable.c
parentxfs: calculate inode walk prefetch more carefully (diff)
downloadwireguard-linux-da1d9e5912477c2f090202052ddd2a77cea6669c.tar.xz
wireguard-linux-da1d9e5912477c2f090202052ddd2a77cea6669c.zip
xfs: move bulkstat ichunk helpers to iwalk code
Now that we've reworked the bulkstat code to use iwalk, we can move the old bulkstat ichunk helpers to xfs_iwalk.c. No functional changes here. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/xfs_itable.c')
-rw-r--r--fs/xfs/xfs_itable.c93
1 files changed, 0 insertions, 93 deletions
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
index 118ff1b686c1..8da5e978119d 100644
--- a/fs/xfs/xfs_itable.c
+++ b/fs/xfs/xfs_itable.c
@@ -188,99 +188,6 @@ xfs_bulkstat_one(
return error;
}
-/*
- * Loop over all clusters in a chunk for a given incore inode allocation btree
- * record. Do a readahead if there are any allocated inodes in that cluster.
- */
-void
-xfs_bulkstat_ichunk_ra(
- struct xfs_mount *mp,
- xfs_agnumber_t agno,
- struct xfs_inobt_rec_incore *irec)
-{
- struct xfs_ino_geometry *igeo = M_IGEO(mp);
- xfs_agblock_t agbno;
- struct blk_plug plug;
- int i; /* inode chunk index */
-
- agbno = XFS_AGINO_TO_AGBNO(mp, irec->ir_startino);
-
- blk_start_plug(&plug);
- for (i = 0;
- i < XFS_INODES_PER_CHUNK;
- i += igeo->inodes_per_cluster,
- agbno += igeo->blocks_per_cluster) {
- if (xfs_inobt_maskn(i, igeo->inodes_per_cluster) &
- ~irec->ir_free) {
- xfs_btree_reada_bufs(mp, agno, agbno,
- igeo->blocks_per_cluster,
- &xfs_inode_buf_ops);
- }
- }
- blk_finish_plug(&plug);
-}
-
-/*
- * Lookup the inode chunk that the given inode lives in and then get the record
- * if we found the chunk. If the inode was not the last in the chunk and there
- * are some left allocated, update the data for the pointed-to record as well as
- * return the count of grabbed inodes.
- */
-int
-xfs_bulkstat_grab_ichunk(
- struct xfs_btree_cur *cur, /* btree cursor */
- xfs_agino_t agino, /* starting inode of chunk */
- int *icount,/* return # of inodes grabbed */
- struct xfs_inobt_rec_incore *irec) /* btree record */
-{
- int idx; /* index into inode chunk */
- int stat;
- int error = 0;
-
- /* Lookup the inode chunk that this inode lives in */
- error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_LE, &stat);
- if (error)
- return error;
- if (!stat) {
- *icount = 0;
- return error;
- }
-
- /* Get the record, should always work */
- error = xfs_inobt_get_rec(cur, irec, &stat);
- if (error)
- return error;
- XFS_WANT_CORRUPTED_RETURN(cur->bc_mp, stat == 1);
-
- /* Check if the record contains the inode in request */
- if (irec->ir_startino + XFS_INODES_PER_CHUNK <= agino) {
- *icount = 0;
- return 0;
- }
-
- idx = agino - irec->ir_startino + 1;
- if (idx < XFS_INODES_PER_CHUNK &&
- (xfs_inobt_maskn(idx, XFS_INODES_PER_CHUNK - idx) & ~irec->ir_free)) {
- int i;
-
- /* We got a right chunk with some left inodes allocated at it.
- * Grab the chunk record. Mark all the uninteresting inodes
- * free -- because they're before our start point.
- */
- for (i = 0; i < idx; i++) {
- if (XFS_INOBT_MASK(i) & ~irec->ir_free)
- irec->ir_freecount++;
- }
-
- irec->ir_free |= xfs_inobt_maskn(0, idx);
- *icount = irec->ir_count - irec->ir_freecount;
- }
-
- return 0;
-}
-
-#define XFS_BULKSTAT_UBLEFT(ubleft) ((ubleft) >= statstruct_size)
-
static int
xfs_bulkstat_iwalk(
struct xfs_mount *mp,