We want to be able to reuse them for the upcoming dedidcated delalloc
convert routine.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
---
fs/xfs/libxfs/xfs_bmap.c | 78 ++++++++++++++++++++++------------------
1 file changed, 44 insertions(+), 34 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 7fa454f71f46..a9c9bd39d822 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -4194,6 +4194,44 @@ xfs_bmapi_convert_unwritten(
return 0;
}
+static inline xfs_extlen_t
+xfs_bmapi_minleft(
+ struct xfs_trans *tp,
+ struct xfs_inode *ip,
+ int fork)
+{
+ if (tp && tp->t_firstblock != NULLFSBLOCK)
+ return 0;
+ if (XFS_IFORK_FORMAT(ip, fork) != XFS_DINODE_FMT_BTREE)
+ return 1;
+ return be16_to_cpu(XFS_IFORK_PTR(ip, fork)->if_broot->bb_level) + 1;
+}
+
+/*
+ * Log whatever the flags say, even if error. Otherwise we might miss detecting
+ * a case where the data is changed, there's an error, and it's not logged so we
+ * don't shutdown when we should. Don't bother logging extents/btree changes if
+ * we converted to the other format.
+ */
+static void
+xfs_bmapi_finish(
+ struct xfs_bmalloca *bma,
+ int whichfork,
+ int error)
+{
+ if ((bma->logflags & xfs_ilog_fext(whichfork)) &&
+ XFS_IFORK_FORMAT(bma->ip, whichfork) != XFS_DINODE_FMT_EXTENTS)
+ bma->logflags &= ~xfs_ilog_fext(whichfork);
+ else if ((bma->logflags & xfs_ilog_fbroot(whichfork)) &&
+ XFS_IFORK_FORMAT(bma->ip, whichfork) != XFS_DINODE_FMT_BTREE)
+ bma->logflags &= ~xfs_ilog_fbroot(whichfork);
+
+ if (bma->logflags)
+ xfs_trans_log_inode(bma->tp, bma->ip, bma->logflags);
+ if (bma->cur)
+ xfs_btree_del_cursor(bma->cur, error);
+}
+
/*
* Map file blocks to filesystem blocks, and allocate blocks or convert the
* extent state if necessary. Details behaviour is controlled by the flags
@@ -4273,15 +4311,6 @@ xfs_bmapi_write(
XFS_STATS_INC(mp, xs_blk_mapw);
- if (!tp || tp->t_firstblock == NULLFSBLOCK) {
- if (XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE)
- bma.minleft = be16_to_cpu(ifp->if_broot->bb_level) + 1;
- else
- bma.minleft = 1;
- } else {
- bma.minleft = 0;
- }
-
if (!(ifp->if_flags & XFS_IFEXTENTS)) {
error = xfs_iread_extents(tp, ip, whichfork);
if (error)
@@ -4296,6 +4325,7 @@ xfs_bmapi_write(
bma.ip = ip;
bma.total = total;
bma.datatype = 0;
+ bma.minleft = xfs_bmapi_minleft(tp, ip, whichfork);
/*
* The delalloc flag means the caller wants to allocate the entire
@@ -4434,32 +4464,12 @@ xfs_bmapi_write(
ASSERT(XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE ||
XFS_IFORK_NEXTENTS(ip, whichfork) >
XFS_IFORK_MAXEXT(ip, whichfork));
- error = 0;
+ xfs_bmapi_finish(&bma, whichfork, 0);
+ xfs_bmap_validate_ret(orig_bno, orig_len, orig_flags, orig_mval,
+ orig_nmap, *nmap);
+ return 0;
error0:
- /*
- * Log everything. Do this after conversion, there's no point in
- * logging the extent records if we've converted to btree format.
- */
- if ((bma.logflags & xfs_ilog_fext(whichfork)) &&
- XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS)
- bma.logflags &= ~xfs_ilog_fext(whichfork);
- else if ((bma.logflags & xfs_ilog_fbroot(whichfork)) &&
- XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE)
- bma.logflags &= ~xfs_ilog_fbroot(whichfork);
- /*
- * Log whatever the flags say, even if error. Otherwise we might miss
- * detecting a case where the data is changed, there's an error,
- * and it's not logged so we don't shutdown when we should.
- */
- if (bma.logflags)
- xfs_trans_log_inode(tp, ip, bma.logflags);
-
- if (bma.cur) {
- xfs_btree_del_cursor(bma.cur, error);
- }
- if (!error)
- xfs_bmap_validate_ret(orig_bno, orig_len, orig_flags, orig_mval,
- orig_nmap, *nmap);
+ xfs_bmapi_finish(&bma, whichfork, error);
return error;
}
--
2.20.1
