Signed-off-by: Christoph Hellwig <h...@lst.de>
Reviewed-by: Ross Zwisler <ross.zwis...@linux.intel.com>
---
 fs/xfs/xfs_iomap.c    | 2 ++
 include/linux/iomap.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index f96c8ff..5d06a2d 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -635,6 +635,7 @@ retry:
        if (end_fsb != orig_end_fsb)
                xfs_inode_set_eofblocks_tag(ip);
 
+       iomap->flags = IOMAP_F_NEW;
        trace_xfs_iomap_alloc(ip, offset, count, 0, &got);
 done:
        if (isnullstartblock(got.br_startblock))
@@ -1000,6 +1001,7 @@ xfs_file_iomap_begin(
                if (error)
                        return error;
 
+               iomap->flags = IOMAP_F_NEW;
                trace_xfs_iomap_alloc(ip, offset, length, 0, &imap);
        } else {
                ASSERT(nimaps);
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 3d70ece..14d7067 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -22,6 +22,7 @@ struct vm_fault;
  * Flags for iomap mappings:
  */
 #define IOMAP_F_MERGED 0x01    /* contains multiple blocks/extents */
+#define IOMAP_F_NEW    0x02    /* blocks have been newly allocated */
 
 /*
  * Magic value for blkno:
-- 
2.1.4

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