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Commit ae8fa283 authored by NeilBrown's avatar NeilBrown
Browse files

md: remove clumsy usage of do_sync_mapping_range from bitmap code 



and replace with vfs_fsync which is much neater (but wasn't exported,
or even in existence at the time the code was written).

Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent ed9bfdf1

drivers/md/bitmap.c

+5 −4
Original line number Diff line number Diff line
@@ -1624,10 +1624,11 @@ int bitmap_create(mddev_t *mddev) 
	bitmap->offset = mddev->bitmap_offset;

	if (file) {

		get_file(file);

		do_sync_mapping_range(file->f_mapping, 0, LLONG_MAX,

				      SYNC_FILE_RANGE_WAIT_BEFORE |

				      SYNC_FILE_RANGE_WRITE |

				      SYNC_FILE_RANGE_WAIT_AFTER);

		/* As future accesses to this file will use bmap,

		 * and bypass the page cache, we must sync the file

		 * first.

		 */

		vfs_fsync(file, file->f_dentry, 1);

	}

	/* read superblock from bitmap file (this sets bitmap->chunksize) */

	err = bitmap_read_sb(bitmap);