diff options
Diffstat (limited to 'fs/exofs')
| -rw-r--r-- | fs/exofs/ios.c | 87 |
1 files changed, 38 insertions, 49 deletions
diff --git a/fs/exofs/ios.c b/fs/exofs/ios.c index 83e54a77b992..4f679317ca54 100644 --- a/fs/exofs/ios.c +++ b/fs/exofs/ios.c @@ -356,59 +356,48 @@ out: int exofs_sbi_read(struct exofs_io_state *ios) { - int i, ret; - - for (i = 0; i < 1; i++) { - struct osd_request *or; - unsigned first_dev = (unsigned)ios->obj.id; - - first_dev %= ios->layout->s_numdevs; - or = osd_start_request(ios->layout->s_ods[first_dev], - GFP_KERNEL); - if (unlikely(!or)) { - EXOFS_ERR("%s: osd_start_request failed\n", __func__); - ret = -ENOMEM; - goto out; - } - ios->per_dev[i].or = or; - ios->numdevs++; + struct osd_request *or; + struct exofs_per_dev_state *per_dev = &ios->per_dev[0]; + unsigned first_dev = (unsigned)ios->obj.id; - if (ios->bio) { - osd_req_read(or, &ios->obj, ios->offset, ios->bio, - ios->length); - EXOFS_DBGMSG("read(0x%llx) offset=0x%llx length=0x%llx" - " dev=%d\n", _LLU(ios->obj.id), - _LLU(ios->offset), - _LLU(ios->length), - first_dev); - } else if (ios->kern_buff) { - osd_req_read_kern(or, &ios->obj, ios->offset, - ios->kern_buff, ios->length); - EXOFS_DBGMSG2("read_kern(0x%llx) offset=0x%llx " - "length=0x%llx dev=%d\n", - _LLU(ios->obj.id), - _LLU(ios->offset), - _LLU(ios->length), - first_dev); - } else { - osd_req_get_attributes(or, &ios->obj); - EXOFS_DBGMSG2("obj(0x%llx) get_attributes=%d dev=%d\n", - _LLU(ios->obj.id), ios->in_attr_len, - first_dev); - } + first_dev %= ios->layout->s_numdevs; + or = osd_start_request(ios->layout->s_ods[first_dev], GFP_KERNEL); + if (unlikely(!or)) { + EXOFS_ERR("%s: osd_start_request failed\n", __func__); + return -ENOMEM; + } + per_dev->or = or; + ios->numdevs++; + + if (ios->bio) { + osd_req_read(or, &ios->obj, ios->offset, ios->bio, ios->length); + EXOFS_DBGMSG("read(0x%llx) offset=0x%llx length=0x%llx" + " dev=%d\n", _LLU(ios->obj.id), + _LLU(ios->offset), _LLU(ios->length), + first_dev); + } else if (ios->kern_buff) { + int ret = osd_req_read_kern(or, &ios->obj, ios->offset, + ios->kern_buff, ios->length); + + EXOFS_DBGMSG2("read_kern(0x%llx) offset=0x%llx " + "length=0x%llx dev=%d ret=>%d\n", + _LLU(ios->obj.id), _LLU(ios->offset), + _LLU(ios->length), first_dev, ret); + if (unlikely(ret)) + return ret; + } else { + osd_req_get_attributes(or, &ios->obj); + EXOFS_DBGMSG2("obj(0x%llx) get_attributes=%d dev=%d\n", + _LLU(ios->obj.id), ios->in_attr_len, first_dev); + } - if (ios->out_attr) - osd_req_add_set_attr_list(or, ios->out_attr, - ios->out_attr_len); + if (ios->out_attr) + osd_req_add_set_attr_list(or, ios->out_attr, ios->out_attr_len); - if (ios->in_attr) - osd_req_add_get_attr_list(or, ios->in_attr, - ios->in_attr_len); - } - ret = exofs_io_execute(ios); + if (ios->in_attr) + osd_req_add_get_attr_list(or, ios->in_attr, ios->in_attr_len); -out: - return ret; + return exofs_io_execute(ios); } int extract_attr_from_ios(struct exofs_io_state *ios, struct osd_attr *attr) |