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[01/12] iomap: add IOMAP_F_NEW flag

Message ID 1474025234-13804-2-git-send-email-hch@lst.de (mailing list archive)
State Not Applicable
Headers show

Commit Message

Christoph Hellwig Sept. 16, 2016, 11:27 a.m. UTC 
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
---
 fs/xfs/xfs_iomap.c    | 2 ++
 include/linux/iomap.h | 1 +
 2 files changed, 3 insertions(+)
diff mbox

Patch

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: