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authorDenis V. Lunev <den@openvz.org>2015-01-30 11:42:11 +0300
committerKevin Wolf <kwolf@redhat.com>2015-02-06 17:24:20 +0100
commit1486df0e312613c6f235ee08488c90cc6b987094 (patch)
treea31a70688db83652fea802cbc94651d10c15cc02 /block
parenta71754e5b03fd3b8b8c6d3bc2a39f75bead729de (diff)
block/raw-posix: create translate_err helper to merge errno values
actually the code if (ret == -ENODEV || ret == -ENOSYS || ret == -EOPNOTSUPP || ret == -ENOTTY) { ret = -ENOTSUP; } is present twice and will be added a couple more times. Create helper for this. CC: Kevin Wolf <kwolf@redhat.com> CC: Stefan Hajnoczi <stefanha@redhat.com> CC: Peter Lieven <pl@kamp.de> CC: Fam Zheng <famz@redhat.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Peter Lieven <pl@kamp.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block')
-rw-r--r--block/raw-posix.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/block/raw-posix.c b/block/raw-posix.c
index e51293a455..24300d0f78 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -893,6 +893,15 @@ static int xfs_discard(BDRVRawState *s, int64_t offset, uint64_t bytes)
}
#endif
+static int translate_err(int err)
+{
+ if (err == -ENODEV || err == -ENOSYS || err == -EOPNOTSUPP ||
+ err == -ENOTTY) {
+ err = -ENOTSUP;
+ }
+ return err;
+}
+
static ssize_t handle_aiocb_write_zeroes(RawPosixAIOData *aiocb)
{
int ret = -EOPNOTSUPP;
@@ -921,10 +930,9 @@ static ssize_t handle_aiocb_write_zeroes(RawPosixAIOData *aiocb)
#endif
}
- if (ret == -ENODEV || ret == -ENOSYS || ret == -EOPNOTSUPP ||
- ret == -ENOTTY) {
+ ret = translate_err(ret);
+ if (ret == -ENOTSUP) {
s->has_write_zeroes = false;
- ret = -ENOTSUP;
}
return ret;
}
@@ -968,10 +976,9 @@ static ssize_t handle_aiocb_discard(RawPosixAIOData *aiocb)
#endif
}
- if (ret == -ENODEV || ret == -ENOSYS || ret == -EOPNOTSUPP ||
- ret == -ENOTTY) {
+ ret = translate_err(ret);
+ if (ret == -ENOTSUP) {
s->has_discard = false;
- ret = -ENOTSUP;
}
return ret;
}