From e64855c6cfaa0a80c1b71c5f647cb792dc436668 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Fri, 4 Nov 2016 18:08:15 +0100 Subject: fs: Add helper to clean bdev aliases under a bh and use it Add a helper function that clears buffer heads from a block device aliasing passed bh. Use this helper function from filesystems instead of the original unmap_underlying_metadata() to save some boiler plate code and also have a better name for the functionalily since it is not unmapping anything for a *long* time. Signed-off-by: Jan Kara Signed-off-by: Jens Axboe --- fs/ntfs/file.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'fs/ntfs/file.c') diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c index bf72a2c58b75..99510d811a8c 100644 --- a/fs/ntfs/file.c +++ b/fs/ntfs/file.c @@ -740,8 +740,7 @@ map_buffer_cached: set_buffer_uptodate(bh); if (unlikely(was_hole)) { /* We allocated the buffer. */ - unmap_underlying_metadata(bh->b_bdev, - bh->b_blocknr); + clean_bdev_bh_alias(bh); if (bh_end <= pos || bh_pos >= end) mark_buffer_dirty(bh); else @@ -784,7 +783,7 @@ map_buffer_cached: continue; } /* We allocated the buffer. */ - unmap_underlying_metadata(bh->b_bdev, bh->b_blocknr); + clean_bdev_bh_alias(bh); /* * If the buffer is fully outside the write, zero it, * set it uptodate, and mark it dirty so it gets -- cgit v1.2.3-58-ga151