diff options
-rw-r--r-- | fs/nfs/objlayout/objio_osd.c | 17 | ||||
-rw-r--r-- | fs/nfs/objlayout/objlayout.c | 63 | ||||
-rw-r--r-- | fs/nfs/objlayout/objlayout.h | 15 |
3 files changed, 48 insertions, 47 deletions
diff --git a/fs/nfs/objlayout/objio_osd.c b/fs/nfs/objlayout/objio_osd.c index 48eb91aad554..2347e0ac63e6 100644 --- a/fs/nfs/objlayout/objio_osd.c +++ b/fs/nfs/objlayout/objio_osd.c @@ -146,7 +146,7 @@ typedef int (*objio_done_fn)(struct objio_state *ios); struct objio_state { /* Generic layer */ - struct objlayout_io_state ol_state; + struct objlayout_io_res oir; struct page **pages; unsigned pgbase; @@ -422,7 +422,7 @@ objio_alloc_io_state(struct pnfs_layout_hdr *pnfs_layout_type, ios = &aos->objios; ios->layout = objio_seg; - objlayout_init_ioerrs(&aos->objios.ol_state, objio_seg->num_comps, + objlayout_init_ioerrs(&aos->objios.oir, objio_seg->num_comps, aos->ioerrs, rpcdata, pnfs_layout_type); ios->pages = pages; @@ -437,10 +437,9 @@ objio_alloc_io_state(struct pnfs_layout_hdr *pnfs_layout_type, return 0; } -void objio_free_result(struct objlayout_io_state *ol_state) +void objio_free_result(struct objlayout_io_res *oir) { - struct objio_state *ios = container_of(ol_state, struct objio_state, - ol_state); + struct objio_state *ios = container_of(oir, struct objio_state, oir); kfree(ios); } @@ -519,7 +518,7 @@ static int _io_check(struct objio_state *ios, bool is_write) continue; /* we recovered */ } - objlayout_io_set_result(&ios->ol_state, i, + objlayout_io_set_result(&ios->oir, i, &ios->layout->comps[i].oc_object_id, osd_pri_2_pnfs_err(osi.osd_err_pri), ios->per_dev[i].offset, @@ -812,7 +811,7 @@ static int _read_done(struct objio_state *ios) else status = ret; - objlayout_read_done(&ios->ol_state, status, ios->sync); + objlayout_read_done(&ios->oir, status, ios->sync); return ret; } @@ -906,13 +905,13 @@ static int _write_done(struct objio_state *ios) if (likely(!ret)) { /* FIXME: should be based on the OSD's persistence model * See OSD2r05 Section 4.13 Data persistence model */ - ios->ol_state.committed = NFS_FILE_SYNC; + ios->oir.committed = NFS_FILE_SYNC; status = ios->length; } else { status = ret; } - objlayout_write_done(&ios->ol_state, status, ios->sync); + objlayout_write_done(&ios->oir, status, ios->sync); return ret; } diff --git a/fs/nfs/objlayout/objlayout.c b/fs/nfs/objlayout/objlayout.c index a82053ae5595..72074e3a04f9 100644 --- a/fs/nfs/objlayout/objlayout.c +++ b/fs/nfs/objlayout/objlayout.c @@ -179,16 +179,16 @@ void _fix_verify_io_params(struct pnfs_layout_segment *lseg, * I/O done common code */ static void -objlayout_iodone(struct objlayout_io_state *state) +objlayout_iodone(struct objlayout_io_res *oir) { - if (likely(state->status >= 0)) { - objio_free_result(state); + if (likely(oir->status >= 0)) { + objio_free_result(oir); } else { - struct objlayout *objlay = state->objlay; + struct objlayout *objlay = oir->objlay; spin_lock(&objlay->lock); objlay->delta_space_valid = OBJ_DSU_INVALID; - list_add(&objlay->err_list, &state->err_list); + list_add(&objlay->err_list, &oir->err_list); spin_unlock(&objlay->lock); } } @@ -200,13 +200,13 @@ objlayout_iodone(struct objlayout_io_state *state) * the error for later reporting at layout-return. */ void -objlayout_io_set_result(struct objlayout_io_state *state, unsigned index, +objlayout_io_set_result(struct objlayout_io_res *oir, unsigned index, struct pnfs_osd_objid *pooid, int osd_error, u64 offset, u64 length, bool is_write) { - struct pnfs_osd_ioerr *ioerr = &state->ioerrs[index]; + struct pnfs_osd_ioerr *ioerr = &oir->ioerrs[index]; - BUG_ON(index >= state->num_comps); + BUG_ON(index >= oir->num_comps); if (osd_error) { ioerr->oer_component = *pooid; ioerr->oer_comp_offset = offset; @@ -247,15 +247,15 @@ static void _rpc_read_complete(struct work_struct *work) } void -objlayout_read_done(struct objlayout_io_state *state, ssize_t status, bool sync) +objlayout_read_done(struct objlayout_io_res *oir, ssize_t status, bool sync) { - struct nfs_read_data *rdata = state->rpcdata; + struct nfs_read_data *rdata = oir->rpcdata; - state->status = rdata->task.tk_status = status; + oir->status = rdata->task.tk_status = status; if (status >= 0) rdata->res.count = status; - objlayout_iodone(state); - /* must not use state after this point */ + objlayout_iodone(oir); + /* must not use oir after this point */ dprintk("%s: Return status=%zd eof=%d sync=%d\n", __func__, status, rdata->res.eof, sync); @@ -326,17 +326,16 @@ static void _rpc_write_complete(struct work_struct *work) } void -objlayout_write_done(struct objlayout_io_state *state, ssize_t status, - bool sync) +objlayout_write_done(struct objlayout_io_res *oir, ssize_t status, bool sync) { - struct nfs_write_data *wdata = state->rpcdata; + struct nfs_write_data *wdata = oir->rpcdata; - state->status = wdata->task.tk_status = status; + oir->status = wdata->task.tk_status = status; if (status >= 0) { wdata->res.count = status; - wdata->verf.committed = state->committed; + wdata->verf.committed = oir->committed; } - objlayout_iodone(state); + objlayout_iodone(oir); /* must not use oir after this point */ dprintk("%s: Return status %zd committed %d sync=%d\n", __func__, @@ -475,14 +474,14 @@ merge_ioerr(struct pnfs_osd_ioerr *dest_err, static void encode_accumulated_error(struct objlayout *objlay, __be32 *p) { - struct objlayout_io_state *state, *tmp; + struct objlayout_io_res *oir, *tmp; struct pnfs_osd_ioerr accumulated_err = {.oer_errno = 0}; - list_for_each_entry_safe(state, tmp, &objlay->err_list, err_list) { + list_for_each_entry_safe(oir, tmp, &objlay->err_list, err_list) { unsigned i; - for (i = 0; i < state->num_comps; i++) { - struct pnfs_osd_ioerr *ioerr = &state->ioerrs[i]; + for (i = 0; i < oir->num_comps; i++) { + struct pnfs_osd_ioerr *ioerr = &oir->ioerrs[i]; if (!ioerr->oer_errno) continue; @@ -501,8 +500,8 @@ encode_accumulated_error(struct objlayout *objlay, __be32 *p) merge_ioerr(&accumulated_err, ioerr); } - list_del(&state->err_list); - objio_free_result(state); + list_del(&oir->err_list); + objio_free_result(oir); } pnfs_osd_xdr_encode_ioerr(p, &accumulated_err); @@ -514,7 +513,7 @@ objlayout_encode_layoutreturn(struct pnfs_layout_hdr *pnfslay, const struct nfs4_layoutreturn_args *args) { struct objlayout *objlay = OBJLAYOUT(pnfslay); - struct objlayout_io_state *state, *tmp; + struct objlayout_io_res *oir, *tmp; __be32 *start; dprintk("%s: Begin\n", __func__); @@ -523,13 +522,13 @@ objlayout_encode_layoutreturn(struct pnfs_layout_hdr *pnfslay, spin_lock(&objlay->lock); - list_for_each_entry_safe(state, tmp, &objlay->err_list, err_list) { + list_for_each_entry_safe(oir, tmp, &objlay->err_list, err_list) { __be32 *last_xdr = NULL, *p; unsigned i; int res = 0; - for (i = 0; i < state->num_comps; i++) { - struct pnfs_osd_ioerr *ioerr = &state->ioerrs[i]; + for (i = 0; i < oir->num_comps; i++) { + struct pnfs_osd_ioerr *ioerr = &oir->ioerrs[i]; if (!ioerr->oer_errno) continue; @@ -553,7 +552,7 @@ objlayout_encode_layoutreturn(struct pnfs_layout_hdr *pnfslay, } last_xdr = p; - pnfs_osd_xdr_encode_ioerr(p, &state->ioerrs[i]); + pnfs_osd_xdr_encode_ioerr(p, &oir->ioerrs[i]); } /* TODO: use xdr_write_pages */ @@ -569,8 +568,8 @@ objlayout_encode_layoutreturn(struct pnfs_layout_hdr *pnfslay, encode_accumulated_error(objlay, last_xdr); goto loop_done; } - list_del(&state->err_list); - objio_free_result(state); + list_del(&oir->err_list); + objio_free_result(oir); } loop_done: spin_unlock(&objlay->lock); diff --git a/fs/nfs/objlayout/objlayout.h b/fs/nfs/objlayout/objlayout.h index d7b2ccfa2132..8ec34727ed21 100644 --- a/fs/nfs/objlayout/objlayout.h +++ b/fs/nfs/objlayout/objlayout.h @@ -74,7 +74,7 @@ OBJLAYOUT(struct pnfs_layout_hdr *lo) * per-I/O operation state * embedded in objects provider io_state data structure */ -struct objlayout_io_state { +struct objlayout_io_res { struct objlayout *objlay; void *rpcdata; @@ -93,7 +93,7 @@ struct objlayout_io_state { }; static inline -void objlayout_init_ioerrs(struct objlayout_io_state *oir, unsigned num_comps, +void objlayout_init_ioerrs(struct objlayout_io_res *oir, unsigned num_comps, struct pnfs_osd_ioerr *ioerrs, void *rpcdata, struct pnfs_layout_hdr *pnfs_layout_type) { @@ -114,7 +114,10 @@ extern int objio_alloc_lseg(struct pnfs_layout_segment **outp, gfp_t gfp_flags); extern void objio_free_lseg(struct pnfs_layout_segment *lseg); -extern void objio_free_result(struct objlayout_io_state *state); +/* objio_free_result will free these @oir structs recieved from + * objlayout_{read,write}_done + */ +extern void objio_free_result(struct objlayout_io_res *oir); extern int objio_read_pagelist(struct nfs_read_data *rdata); extern int objio_write_pagelist(struct nfs_write_data *wdata, int how); @@ -122,7 +125,7 @@ extern int objio_write_pagelist(struct nfs_write_data *wdata, int how); /* * callback API */ -extern void objlayout_io_set_result(struct objlayout_io_state *state, +extern void objlayout_io_set_result(struct objlayout_io_res *oir, unsigned index, struct pnfs_osd_objid *pooid, int osd_error, u64 offset, u64 length, bool is_write); @@ -141,9 +144,9 @@ objlayout_add_delta_space_used(struct objlayout *objlay, s64 space_used) spin_unlock(&objlay->lock); } -extern void objlayout_read_done(struct objlayout_io_state *state, +extern void objlayout_read_done(struct objlayout_io_res *oir, ssize_t status, bool sync); -extern void objlayout_write_done(struct objlayout_io_state *state, +extern void objlayout_write_done(struct objlayout_io_res *oir, ssize_t status, bool sync); extern int objlayout_get_deviceinfo(struct pnfs_layout_hdr *pnfslay, |