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| author | Joel Stanley <joel@jms.id.au> | 2018-11-27 08:23:56 +0300 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2018-11-27 08:24:09 +0300 |
| commit | d608acfd4ac3fe17f3081bee8fcd4dcd896c2ffa (patch) | |
| tree | ade4450a72a2e358a1d2e5cde321de0097fb291c /fs/gfs2/bmap.c | |
| parent | 62ccc3924eff37012bd0c227d8b7dc71188fc358 (diff) | |
| parent | a9da8725b7a744be3ff0ff44cab2547e4d1e6675 (diff) | |
| download | linux-dev-4.18.tar.xz | |
Merge tag 'v4.18.20' into dev-4.18dev-4.18
This is the 4.18.20 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'fs/gfs2/bmap.c')
| -rw-r--r-- | fs/gfs2/bmap.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index fd5bea55fd60..9c418249734d 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -1652,10 +1652,16 @@ static int punch_hole(struct gfs2_inode *ip, u64 offset, u64 length) if (ret < 0) goto out; - /* issue read-ahead on metadata */ - if (mp.mp_aheight > 1) { - for (; ret > 1; ret--) { - metapointer_range(&mp, mp.mp_aheight - ret, + /* On the first pass, issue read-ahead on metadata. */ + if (mp.mp_aheight > 1 && strip_h == ip->i_height - 1) { + unsigned int height = mp.mp_aheight - 1; + + /* No read-ahead for data blocks. */ + if (mp.mp_aheight - 1 == strip_h) + height--; + + for (; height >= mp.mp_aheight - ret; height--) { + metapointer_range(&mp, height, start_list, start_aligned, end_list, end_aligned, &start, &end); |