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| author | Anton Altaparmakov <aia21@cantab.net> | 2005-07-13 23:09:23 +0100 |
|---|---|---|
| committer | Anton Altaparmakov <aia21@cantab.net> | 2005-07-13 23:09:23 +0100 |
| commit | c514720716c7b109ff980f8b3cb93f9af872c91c (patch) | |
| tree | 490a9578995705de69712893a190b67651bddc56 /drivers/md/dm-snap.c | |
| parent | 07929dcb963786512c760dd3ecd148d89295e7e5 (diff) | |
| parent | 1e279dd855d15b72364b4103f872d67d8592647e (diff) | |
| download | kernel-crypto-c514720716c7b109ff980f8b3cb93f9af872c91c.tar.gz kernel-crypto-c514720716c7b109ff980f8b3cb93f9af872c91c.tar.xz kernel-crypto-c514720716c7b109ff980f8b3cb93f9af872c91c.zip | |
Automatic merge with /usr/src/ntfs-2.6.git.
Diffstat (limited to 'drivers/md/dm-snap.c')
| -rw-r--r-- | drivers/md/dm-snap.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 7e691ab9a74..ab54f99b7c3 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -777,7 +777,7 @@ static int snapshot_map(struct dm_target *ti, struct bio *bio, /* Full snapshots are not usable */ if (!s->valid) - return -1; + return -EIO; /* * Write to snapshot - higher level takes care of RW/RO @@ -931,6 +931,10 @@ static int __origin_write(struct list_head *snapshots, struct bio *bio) if (!snap->valid) continue; + /* Nothing to do if writing beyond end of snapshot */ + if (bio->bi_sector >= dm_table_get_size(snap->table)) + continue; + down_write(&snap->lock); /* |