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xfs: make xfs_trans_get_buf return an error code

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Convert xfs_trans_get_buf() to return numeric error codes like most
everywhere else in xfs.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Darrick J. Wong
2020-01-23 17:01:18 -08:00
parent 9676b54e6e
commit ce92464c18
10 changed files with 67 additions and 62 deletions
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23
fs/xfs/libxfs/xfs_btree.c
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@@ -688,11 +688,16 @@ xfs_btree_get_bufl(
xfs_trans_t *tp, /* transaction pointer */
xfs_fsblock_t fsbno) /* file system block number */
{
struct xfs_buf *bp;
xfs_daddr_t d; /* real disk block address */
int error;
ASSERT(fsbno != NULLFSBLOCK);
d = XFS_FSB_TO_DADDR(mp, fsbno);
return xfs_trans_get_buf(tp, mp->m_ddev_targp, d, mp->m_bsize, 0);
error = xfs_trans_get_buf(tp, mp->m_ddev_targp, d, mp->m_bsize, 0, &bp);
if (error)
return NULL;
return bp;
}
/*
@@ -706,12 +711,17 @@ xfs_btree_get_bufs(
xfs_agnumber_t agno, /* allocation group number */
xfs_agblock_t agbno) /* allocation group block number */
{
struct xfs_buf *bp;
xfs_daddr_t d; /* real disk block address */
int error;
ASSERT(agno != NULLAGNUMBER);
ASSERT(agbno != NULLAGBLOCK);
d = XFS_AGB_TO_DADDR(mp, agno, agbno);
return xfs_trans_get_buf(tp, mp->m_ddev_targp, d, mp->m_bsize, 0);
error = xfs_trans_get_buf(tp, mp->m_ddev_targp, d, mp->m_bsize, 0, &bp);
if (error)
return NULL;
return bp;
}
/*
@@ -1270,11 +1280,10 @@ xfs_btree_get_buf_block(
error = xfs_btree_ptr_to_daddr(cur, ptr, &d);
if (error)
return error;
*bpp = xfs_trans_get_buf(cur->bc_tp, mp->m_ddev_targp, d,
mp->m_bsize, 0);
if (!*bpp)
return -ENOMEM;
error = xfs_trans_get_buf(cur->bc_tp, mp->m_ddev_targp, d, mp->m_bsize,
0, bpp);
if (error)
return error;
(*bpp)->b_ops = cur->bc_ops->buf_ops;
*block = XFS_BUF_TO_BLOCK(*bpp);