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| author | Alexander Motin <mav@FreeBSD.org> | 2017-03-08 12:18:58 +0000 |
|---|---|---|
| committer | Alexander Motin <mav@FreeBSD.org> | 2017-03-08 12:18:58 +0000 |
| commit | 4d5832bc128eed034f3bf91ed8e7239bc20ac381 (patch) | |
| tree | f1e0c12a946d1e869219f9cb8c84e2a5f98e1cb4 /sys/geom | |
| parent | 72e80cddc05ddba8364c7947ad5cf83833a4f17e (diff) | |
| download | src-4d5832bc128eed034f3bf91ed8e7239bc20ac381.tar.gz src-4d5832bc128eed034f3bf91ed8e7239bc20ac381.zip | |
When chunking large DIOCGDELETE, do it on stripe edge.
MFC after: 2 weeks
Notes
Notes:
svn path=/head/; revision=314908
Diffstat (limited to 'sys/geom')
| -rw-r--r-- | sys/geom/geom_dev.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/geom/geom_dev.c b/sys/geom/geom_dev.c index 82f7d4bdb9c3..c95fc39c191c 100644 --- a/sys/geom/geom_dev.c +++ b/sys/geom/geom_dev.c @@ -468,7 +468,7 @@ g_dev_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread { struct g_consumer *cp; struct g_provider *pp; - off_t offset, length, chunk; + off_t offset, length, chunk, odd; int i, error; cp = dev->si_drv2; @@ -572,6 +572,13 @@ g_dev_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread g_dev_del_max_sectors * cp->provider->sectorsize) { chunk = g_dev_del_max_sectors * cp->provider->sectorsize; + if (cp->provider->stripesize > 0) { + odd = (offset + chunk + + cp->provider->stripeoffset) % + cp->provider->stripesize; + if (chunk > odd) + chunk -= odd; + } } error = g_delete_data(cp, offset, chunk); length -= chunk; |