Thread (14 messages) 14 messages, 2 authors, 2016-09-26
STALE3560d REVIEWED: 1 (0M)

[PATCH 01/12] iomap: add IOMAP_F_NEW flag

From: Christoph Hellwig <hch@lst.de>
Date: 2016-09-16 11:27:23
Also in: linux-fsdevel, nvdimm
Subsystem: filesystems (vfs and infrastructure), filesystems [iomap], the rest, xfs filesystem · Maintainers: Alexander Viro, Christian Brauner, Linus Torvalds, Carlos Maiolino

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ross Zwisler <redacted>
---
 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
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help