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xfs: refactor INUMBERS to use iwalk functions

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Now that we have generic functions to walk inode records, refactor the
INUMBERS implementation to use it.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This commit is contained in:
Darrick J. Wong
2019-07-02 09:39:43 -07:00
parent 04b8fba2e1
commit 677717fbd4
5 changed files with 93 additions and 150 deletions
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20
fs/xfs/xfs_ioctl.c
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@@ -724,6 +724,16 @@ xfs_bulkstat_one_fmt(
return xfs_ibulk_advance(breq, sizeof(struct xfs_bstat));
}
int
xfs_inumbers_fmt(
struct xfs_ibulk *breq,
const struct xfs_inogrp *igrp)
{
if (copy_to_user(breq->ubuffer, igrp, sizeof(*igrp)))
return -EFAULT;
return xfs_ibulk_advance(breq, sizeof(struct xfs_inogrp));
}
STATIC int
xfs_ioc_bulkstat(
xfs_mount_t *mp,
@@ -774,13 +784,9 @@ xfs_ioc_bulkstat(
* in filesystem".
*/
if (cmd == XFS_IOC_FSINUMBERS) {
int count = breq.icount;
breq.startino = lastino;
error = xfs_inumbers(mp, &breq.startino, &count,
bulkreq.ubuffer, xfs_inumbers_fmt);
breq.ocount = count;
lastino = breq.startino;
breq.startino = lastino ? lastino + 1 : 0;
error = xfs_inumbers(&breq, xfs_inumbers_fmt);
lastino = breq.startino - 1;
} else if (cmd == XFS_IOC_FSBULKSTAT_SINGLE) {
breq.startino = lastino;
breq.icount = 1;