The following commit has been merged in the linux branch: commit ae8fa2831bbc5092ee9d1b90e623af881cf27140 Author: NeilBrown neilb@suse.de Date: Fri Oct 16 15:56:01 2009 +1100

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: NeilBrown neilb@suse.de

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 6986b00..60e2b32 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -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);