xfs_trans_reserve_more just tries to allocate additional blocks and/or
rtextents and is otherwise unrelated to the transaction reservation
logic. Open code the block and rtextent reservation in
xfs_trans_reserve_more to prepare for simplifying xfs_trans_reserve.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
fs/xfs/xfs_trans.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 8b15bfe68774..1fddea8d761a 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -1146,9 +1146,18 @@ xfs_trans_reserve_more(
unsigned int blocks,
unsigned int rtextents)
{
- struct xfs_trans_res resv = { };
-
- return xfs_trans_reserve(tp, &resv, blocks, rtextents);
+ bool rsvd = tp->t_flags & XFS_TRANS_RESERVE;
+
+ if (blocks && xfs_dec_fdblocks(tp->t_mountp, blocks, rsvd))
+ return -ENOSPC;
+ if (rtextents && xfs_dec_frextents(tp->t_mountp, rtextents) < 0) {
+ if (blocks)
+ xfs_add_fdblocks(tp->t_mountp, blocks);
+ return -ENOSPC;
+ }
+ tp->t_blk_res += blocks;
+ tp->t_rtx_res += rtextents;
+ return 0;
}
/*
--
2.47.2
