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aio: better error messages

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This commit is contained in:
Thomas Schoebel-Theuer 2012-12-13 18:12:21 +01:00 committed by Thomas Schoebel-Theuer
parent 39925a154a
commit af621c8678
1 changed files with 10 additions and 3 deletions
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13
mars_aio.c
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@ -132,6 +132,11 @@ static int aio_ref_get(struct aio_output *output, struct mref_object *mref)
{
struct file *file = output->filp;
if (unlikely(mref->ref_len <= 0)) {
MARS_ERR("bad ref_len=%d\n", mref->ref_len);
return -EILSEQ;
}
if (mref->ref_initialized) {
_mref_get(mref);
return mref->ref_len;
@ -164,14 +169,16 @@ static int aio_ref_get(struct aio_output *output, struct mref_object *mref)
*/
if (!mref->ref_data) {
struct aio_mref_aspect *mref_a = aio_mref_get_aspect(output->brick, mref);
if (!mref_a)
if (unlikely(!mref_a)) {
MARS_ERR("bad mref_a\n");
return -EILSEQ;
if (mref->ref_len <= 0) {
}
if (unlikely(mref->ref_len <= 0)) {
MARS_ERR("bad ref_len = %d\n", mref->ref_len);
return -ENOMEM;
}
mref->ref_data = brick_block_alloc(mref->ref_pos, (mref_a->alloc_len = mref->ref_len));
if (!mref->ref_data) {
if (unlikely(!mref->ref_data)) {
MARS_ERR("ENOMEM %d bytes\n", mref->ref_len);
return -ENOMEM;
}