Just define a range of fs specific flags and use that in gfs2 instead of
exposing this internal flag flobally.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
fs/gfs2/bmap.c | 8 +++++---
include/linux/iomap.h | 9 +++++++--
2 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index cbeedd3cfb36..8efa6297e19c 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -683,6 +683,8 @@ static void gfs2_stuffed_iomap(struct inode *inode, struct iomap *iomap)
iomap->type = IOMAP_INLINE;
}
+#define IOMAP_F_GFS2_BOUNDARY IOMAP_F_PRIVATE
+
/**
* gfs2_iomap_begin - Map blocks from an inode to disk blocks
* @inode: The inode
@@ -774,7 +776,7 @@ int gfs2_iomap_begin(struct inode *inode, loff_t pos, loff_t length,
bh = mp.mp_bh[ip->i_height - 1];
len = gfs2_extent_length(bh->b_data, bh->b_size, ptr, lend - lblock, &eob);
if (eob)
- iomap->flags |= IOMAP_F_BOUNDARY;
+ iomap->flags |= IOMAP_F_GFS2_BOUNDARY;
iomap->length = (u64)len << inode->i_blkbits;
out_release:
@@ -846,12 +848,12 @@ int gfs2_block_map(struct inode *inode, sector_t lblock,
if (iomap.length > bh_map->b_size) {
iomap.length = bh_map->b_size;
- iomap.flags &= ~IOMAP_F_BOUNDARY;
+ iomap.flags &= ~IOMAP_F_GFS2_BOUNDARY;
}
if (iomap.addr != IOMAP_NULL_ADDR)
map_bh(bh_map, inode->i_sb, iomap.addr >> inode->i_blkbits);
bh_map->b_size = iomap.length;
- if (iomap.flags & IOMAP_F_BOUNDARY)
+ if (iomap.flags & IOMAP_F_GFS2_BOUNDARY)
set_buffer_boundary(bh_map);
if (iomap.flags & IOMAP_F_NEW)
set_buffer_new(bh_map);
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 13d19b4c29a9..819e0cd2a950 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -27,8 +27,7 @@ struct vm_fault;
* written data and requires fdatasync to commit them to persistent storage.
*/
#define IOMAP_F_NEW 0x01 /* blocks have been newly allocated */
-#define IOMAP_F_BOUNDARY 0x02 /* mapping ends at metadata boundary */
-#define IOMAP_F_DIRTY 0x04 /* uncommitted metadata */
+#define IOMAP_F_DIRTY 0x02 /* uncommitted metadata */
/*
* Flags that only need to be reported for IOMAP_REPORT requests:
@@ -36,6 +35,12 @@ struct vm_fault;
#define IOMAP_F_MERGED 0x10 /* contains multiple blocks/extents */
#define IOMAP_F_SHARED 0x20 /* block shared with another file */
+/*
+ * Flags from 0x1000 up are for file system specific usage:
+ */
+#define IOMAP_F_PRIVATE 0x1000
+
+
/*
* Magic value for addr:
*/
--
2.17.0
