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| author | Benjamin Marzinski <bmarzins@redhat.com> | 2009-10-26 13:29:47 -0500 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2009-12-03 11:55:32 +0000 |
| commit | c14f5735e724cb5338ca8298d42b1658008a10d7 (patch) | |
| tree | 74c198fe29824440a8fd52463fe9f326718da7cd | |
| parent | 3d3c10f2ce80d2a19e5e02023c2b7ab7086c36d5 (diff) | |
| download | linux-3.10-c14f5735e724cb5338ca8298d42b1658008a10d7.tar.gz linux-3.10-c14f5735e724cb5338ca8298d42b1658008a10d7.tar.bz2 linux-3.10-c14f5735e724cb5338ca8298d42b1658008a10d7.zip | |
GFS2: remove division from new statfs code
It's not necessary to do any 64bit division for the statfs sync code, so
remove it.
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
| -rw-r--r-- | fs/gfs2/super.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index 3fee2fd3ae4..b1dcfab3646 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -472,7 +472,8 @@ void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free, struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local; struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master; struct buffer_head *l_bh; - int percent, sync_percent; + s64 x, y; + int need_sync = 0; int error; error = gfs2_meta_inode_buffer(l_ip, &l_bh); @@ -486,16 +487,16 @@ void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free, l_sc->sc_free += free; l_sc->sc_dinodes += dinodes; gfs2_statfs_change_out(l_sc, l_bh->b_data + sizeof(struct gfs2_dinode)); - if (m_sc->sc_free) - percent = (100 * l_sc->sc_free) / m_sc->sc_free; - else - percent = 100; + if (sdp->sd_args.ar_statfs_percent) { + x = 100 * l_sc->sc_free; + y = m_sc->sc_free * sdp->sd_args.ar_statfs_percent; + if (x >= y || x <= -y) + need_sync = 1; + } spin_unlock(&sdp->sd_statfs_spin); brelse(l_bh); - sync_percent = sdp->sd_args.ar_statfs_percent; - if (sync_percent && (percent >= sync_percent || - percent <= -sync_percent)) + if (need_sync) gfs2_wake_up_statfs(sdp); } |