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xfs: use kfree_rcu_mightsleep to free the perag structures

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Using the kfree_rcu_mightsleep is simpler and removes the need for a
rcu_head in the perag structure.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
This commit is contained in:
Christoph Hellwig 2024-08-29 07:08:37 +03:00 committed by Chandan Babu R
parent 70045dafdf
commit 4ef7c6d39d
2 changed files with 1 additions and 14 deletions
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12
fs/xfs/libxfs/xfs_ag.c
View File

@ -235,16 +235,6 @@ out:
return error;
}
STATIC void
__xfs_free_perag(
struct rcu_head *head)
{
struct xfs_perag *pag = container_of(head, struct xfs_perag, rcu_head);
ASSERT(!delayed_work_pending(&pag->pag_blockgc_work));
kfree(pag);
}
/*
* Free up the per-ag resources associated with the mount structure.
*/
@ -270,7 +260,7 @@ xfs_free_perag(
xfs_perag_rele(pag);
XFS_IS_CORRUPT(pag->pag_mount,
atomic_read(&pag->pag_active_ref) != 0);
call_rcu(&pag->rcu_head, __xfs_free_perag);
kfree_rcu_mightsleep(pag);
}
}

3
fs/xfs/libxfs/xfs_ag.h
View File

@ -63,9 +63,6 @@ struct xfs_perag {
/* Blocks reserved for the reverse mapping btree. */
struct xfs_ag_resv pag_rmapbt_resv;
/* for rcu-safe freeing */
struct rcu_head rcu_head;
/* Precalculated geometry info */
xfs_agblock_t block_count;
xfs_agblock_t min_block;