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-rw-r--r--fs/xfs/libxfs/xfs_alloc.c42
-rw-r--r--fs/xfs/xfs_trace.h1
2 files changed, 33 insertions, 10 deletions
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index facff6cb27a5..8191301a9039 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -891,6 +891,36 @@ out:
}
/*
+ * Complete an allocation of a candidate extent. Remove the extent from both
+ * trees and update the args structure.
+ */
+STATIC int
+xfs_alloc_cur_finish(
+ struct xfs_alloc_arg *args,
+ struct xfs_alloc_cur *acur)
+{
+ int error;
+
+ ASSERT(acur->cnt && acur->bnolt);
+ ASSERT(acur->bno >= acur->rec_bno);
+ ASSERT(acur->bno + acur->len <= acur->rec_bno + acur->rec_len);
+ ASSERT(acur->rec_bno + acur->rec_len <=
+ be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length));
+
+ error = xfs_alloc_fixup_trees(acur->cnt, acur->bnolt, acur->rec_bno,
+ acur->rec_len, acur->bno, acur->len, 0);
+ if (error)
+ return error;
+
+ args->agbno = acur->bno;
+ args->len = acur->len;
+ args->wasfromfl = 0;
+
+ trace_xfs_alloc_cur(args);
+ return 0;
+}
+
+/*
* Deal with the case where only small freespaces remain. Either return the
* contents of the last freespace record, or allocate space from the freelist if
* there is nothing in the tree.
@@ -1359,7 +1389,6 @@ restart:
} else if (error) {
goto out;
}
- args->wasfromfl = 0;
/*
* First algorithm.
@@ -1440,15 +1469,8 @@ restart:
}
alloc:
- args->agbno = acur.bno;
- args->len = acur.len;
- ASSERT(acur.bno >= acur.rec_bno);
- ASSERT(acur.bno + acur.len <= acur.rec_bno + acur.rec_len);
- ASSERT(acur.rec_bno + acur.rec_len <=
- be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length));
-
- error = xfs_alloc_fixup_trees(acur.cnt, acur.bnolt, acur.rec_bno,
- acur.rec_len, acur.bno, acur.len, 0);
+ /* fix up btrees on a successful allocation */
+ error = xfs_alloc_cur_finish(args, &acur);
out:
xfs_alloc_cur_close(&acur, error);
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index cdc5f000d608..2eef14791cc5 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -1577,6 +1577,7 @@ DEFINE_ALLOC_EVENT(xfs_alloc_exact_notfound);
DEFINE_ALLOC_EVENT(xfs_alloc_exact_error);
DEFINE_ALLOC_EVENT(xfs_alloc_near_nominleft);
DEFINE_ALLOC_EVENT(xfs_alloc_near_first);
+DEFINE_ALLOC_EVENT(xfs_alloc_cur);
DEFINE_ALLOC_EVENT(xfs_alloc_cur_right);
DEFINE_ALLOC_EVENT(xfs_alloc_cur_left);
DEFINE_ALLOC_EVENT(xfs_alloc_near_error);