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| author | mav <mav@FreeBSD.org> | 2013-08-13 07:56:40 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2013-08-13 07:56:40 +0000 |
| commit | eba4a485b224ae259700b960fe63abf2463a33aa (patch) | |
| tree | 21db4ff3b5ea40848ed69e4ff8547e8266d7123c /sys/geom/raid/g_raid.c | |
| parent | 9b26a416432eed29bc60e0a89a4db1554a89142a (diff) | |
| download | FreeBSD-src-eba4a485b224ae259700b960fe63abf2463a33aa.zip FreeBSD-src-eba4a485b224ae259700b960fe63abf2463a33aa.tar.gz | |
Return error when opening read-only volumes (like RAID4/5/...) for writing.
Previously opens succeeded, but actual write operations returned errors.
Requested by: peter
MFC after: 2 weeks
Diffstat (limited to 'sys/geom/raid/g_raid.c')
| -rw-r--r-- | sys/geom/raid/g_raid.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/geom/raid/g_raid.c b/sys/geom/raid/g_raid.c index fd6d69c..41a1f96 100644 --- a/sys/geom/raid/g_raid.c +++ b/sys/geom/raid/g_raid.c @@ -1863,6 +1863,11 @@ g_raid_access(struct g_provider *pp, int acr, int acw, int ace) error = ENXIO; goto out; } + /* Deny write opens for read-only volumes. */ + if (vol->v_read_only && acw > 0) { + error = EROFS; + goto out; + } if (dcw == 0) g_raid_clean(vol, dcw); vol->v_provider_open += acr + acw + ace; |
