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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>
hifive-unleashed-5.1
NeilBrown 2009-10-16 15:56:01 +11:00
parent ed9bfdf1a4
commit ae8fa2831b
1 changed files with 5 additions and 4 deletions
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9
drivers/md/bitmap.c
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@ -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);