From: Christoph Hellwig <hch@xxxxxx>
Source kernel commit: 0a59e4f3e1670bc49d60e1bd1a9b19ca156ae9cb
To prepare for being able to join an already locked rtbitmap inode to a
transaction split out separate helpers for joining the transaction from
the locking helpers.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
libxfs/xfs_bmap.c | 3 ++-
libxfs/xfs_rtbitmap.c | 24 +++++++++++++-----------
libxfs/xfs_rtbitmap.h | 6 ++++--
3 files changed, 19 insertions(+), 14 deletions(-)
diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c
index 4b10f169f1eb94..1f63dc775ea393 100644
--- a/libxfs/xfs_bmap.c
+++ b/libxfs/xfs_bmap.c
@@ -5370,7 +5370,8 @@ xfs_bmap_del_extent_real(
*/
if (!(tp->t_flags & XFS_TRANS_RTBITMAP_LOCKED)) {
tp->t_flags |= XFS_TRANS_RTBITMAP_LOCKED;
- xfs_rtbitmap_lock(tp, mp);
+ xfs_rtbitmap_lock(mp);
+ xfs_rtbitmap_trans_join(tp);
}
error = xfs_rtfree_blocks(tp, del->br_startblock,
del->br_blockcount);
diff --git a/libxfs/xfs_rtbitmap.c b/libxfs/xfs_rtbitmap.c
index 9d771af677adb1..c86de2aa13cea9 100644
--- a/libxfs/xfs_rtbitmap.c
+++ b/libxfs/xfs_rtbitmap.c
@@ -1199,23 +1199,25 @@ xfs_rtsummary_wordcount(
return XFS_FSB_TO_B(mp, blocks) >> XFS_WORDLOG;
}
-/*
- * Lock both realtime free space metadata inodes for a freespace update. If a
- * transaction is given, the inodes will be joined to the transaction and the
- * ILOCKs will be released on transaction commit.
- */
+/* Lock both realtime free space metadata inodes for a freespace update. */
void
xfs_rtbitmap_lock(
- struct xfs_trans *tp,
struct xfs_mount *mp)
{
xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL | XFS_ILOCK_RTBITMAP);
- if (tp)
- xfs_trans_ijoin(tp, mp->m_rbmip, XFS_ILOCK_EXCL);
-
xfs_ilock(mp->m_rsumip, XFS_ILOCK_EXCL | XFS_ILOCK_RTSUM);
- if (tp)
- xfs_trans_ijoin(tp, mp->m_rsumip, XFS_ILOCK_EXCL);
+}
+
+/*
+ * Join both realtime free space metadata inodes to the transaction. The
+ * ILOCKs will be released on transaction commit.
+ */
+void
+xfs_rtbitmap_trans_join(
+ struct xfs_trans *tp)
+{
+ xfs_trans_ijoin(tp, tp->t_mountp->m_rbmip, XFS_ILOCK_EXCL);
+ xfs_trans_ijoin(tp, tp->t_mountp->m_rsumip, XFS_ILOCK_EXCL);
}
/* Unlock both realtime free space metadata inodes after a freespace update. */
diff --git a/libxfs/xfs_rtbitmap.h b/libxfs/xfs_rtbitmap.h
index 0d5ab5e2cb6a32..523d3d3c12c608 100644
--- a/libxfs/xfs_rtbitmap.h
+++ b/libxfs/xfs_rtbitmap.h
@@ -346,8 +346,9 @@ unsigned long long xfs_rtsummary_wordcount(struct xfs_mount *mp,
int xfs_rtfile_initialize_blocks(struct xfs_inode *ip,
xfs_fileoff_t offset_fsb, xfs_fileoff_t end_fsb, void *data);
-void xfs_rtbitmap_lock(struct xfs_trans *tp, struct xfs_mount *mp);
+void xfs_rtbitmap_lock(struct xfs_mount *mp);
void xfs_rtbitmap_unlock(struct xfs_mount *mp);
+void xfs_rtbitmap_trans_join(struct xfs_trans *tp);
/* Lock the rt bitmap inode in shared mode */
#define XFS_RBMLOCK_BITMAP (1U << 0)
@@ -376,7 +377,8 @@ xfs_rtbitmap_blockcount(struct xfs_mount *mp, xfs_rtbxlen_t rtextents)
# define xfs_rtbitmap_wordcount(mp, r) (0)
# define xfs_rtsummary_blockcount(mp, l, b) (0)
# define xfs_rtsummary_wordcount(mp, l, b) (0)
-# define xfs_rtbitmap_lock(tp, mp) do { } while (0)
+# define xfs_rtbitmap_lock(mp) do { } while (0)
+# define xfs_rtbitmap_trans_join(tp) do { } while (0)
# define xfs_rtbitmap_unlock(mp) do { } while (0)
# define xfs_rtbitmap_lock_shared(mp, lf) do { } while (0)
# define xfs_rtbitmap_unlock_shared(mp, lf) do { } while (0)
