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xfs: convert remaining direct references to m_perag

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Convert the remaining direct lookups of the per ag structures to use
get/put accesses. Ensure that the loops across AGs and prior users
of the interface balance gets and puts correctly.

Signed-off-by: Dave Chinner <david@fromorbit.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
This commit is contained in:
Dave Chinner
2010-01-11 11:47:43 +00:00
committed by Alex Elder
parent 4196ac08c0
commit 44b56e0a1a
4 changed files with 42 additions and 15 deletions
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5
fs/xfs/xfs_inode.c
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@@ -2695,7 +2695,7 @@ xfs_iflush_cluster(
ilist_size = inodes_per_cluster * sizeof(xfs_inode_t *);
ilist = kmem_alloc(ilist_size, KM_MAYFAIL|KM_NOFS);
if (!ilist)
return 0;
goto out_put;
mask = ~(((XFS_INODE_CLUSTER_SIZE(mp) >> mp->m_sb.sb_inodelog)) - 1);
first_index = XFS_INO_TO_AGINO(mp, ip->i_ino) & mask;
@@ -2764,6 +2764,8 @@ xfs_iflush_cluster(
out_free:
read_unlock(&pag->pag_ici_lock);
kmem_free(ilist);
out_put:
xfs_perag_put(pag);
return 0;
@@ -2807,6 +2809,7 @@ cluster_corrupt_out:
*/
xfs_iflush_abort(iq);
kmem_free(ilist);
xfs_perag_put(pag);
return XFS_ERROR(EFSCORRUPTED);
}