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Commit 89e9b5c0 authored by Darrick J. Wong's avatar Darrick J. Wong
Browse files

xfs: update incore per-AG inode count 



For whatever reason we never actually update pagi_count (the in-core
perag inode count) when we allocate or free inode chunks.  Online scrub
is going to use it, so we need to fix the accounting.

Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: default avatarBrian Foster <bfoster@redhat.com>
parent 0703a8e1

fs/xfs/libxfs/xfs_ialloc.c

+2 −0
Original line number Diff line number Diff line
@@ -897,6 +897,7 @@ xfs_ialloc_ag_alloc( 
	be32_add_cpu(&agi->agi_freecount, newlen);

	pag = xfs_perag_get(args.mp, agno);

	pag->pagi_freecount += newlen;

	pag->pagi_count += newlen;

	xfs_perag_put(pag);

	agi->agi_newino = cpu_to_be32(newino);
@@ -1991,6 +1992,7 @@ xfs_difree_inobt( 
		xfs_ialloc_log_agi(tp, agbp, XFS_AGI_COUNT | XFS_AGI_FREECOUNT);

		pag = xfs_perag_get(mp, agno);

		pag->pagi_freecount -= ilen - 1;

		pag->pagi_count -= ilen;

		xfs_perag_put(pag);

		xfs_trans_mod_sb(tp, XFS_TRANS_SB_ICOUNT, -ilen);

		xfs_trans_mod_sb(tp, XFS_TRANS_SB_IFREE, -(ilen - 1));