Commit 7ee66c03 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Darrick J. Wong
Browse files

iomap: move IOMAP_F_BOUNDARY to gfs2 



Just define a range of fs specific flags and use that in gfs2 instead of
exposing this internal flag globally.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDave Chinner <dchinner@redhat.com>
Reviewed-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
parent 9ecac0ef

fs/gfs2/bmap.c

+5 −3
Original line number Diff line number Diff line
@@ -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);

include/linux/iomap.h

+7 −2
Original line number Diff line number Diff line
@@ -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:

 */