From b9df46d08a8d098ea2124cb9e3b84458a474b4d4 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Fri, 18 Sep 2020 09:19:43 -0400 Subject: [PATCH] pNFS/flexfiles: Be consistent about mirror index types A mirror index is always of type u32. Signed-off-by: Trond Myklebust --- fs/nfs/flexfilelayout/flexfilelayout.c | 34 +++++++++++++------------- include/linux/nfs_xdr.h | 4 +-- 2 files changed, 19 insertions(+), 19 deletions(-) diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index 1edeebd51937..a163533446fa 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -715,7 +715,7 @@ nfs4_ff_layout_stat_io_end_write(struct rpc_task *task, } static void -ff_layout_mark_ds_unreachable(struct pnfs_layout_segment *lseg, int idx) +ff_layout_mark_ds_unreachable(struct pnfs_layout_segment *lseg, u32 idx) { struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx); @@ -724,7 +724,7 @@ ff_layout_mark_ds_unreachable(struct pnfs_layout_segment *lseg, int idx) } static void -ff_layout_mark_ds_reachable(struct pnfs_layout_segment *lseg, int idx) +ff_layout_mark_ds_reachable(struct pnfs_layout_segment *lseg, u32 idx) { struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx); @@ -734,14 +734,14 @@ ff_layout_mark_ds_reachable(struct pnfs_layout_segment *lseg, int idx) static struct nfs4_pnfs_ds * ff_layout_choose_ds_for_read(struct pnfs_layout_segment *lseg, - int start_idx, int *best_idx, + u32 start_idx, u32 *best_idx, bool check_device) { struct nfs4_ff_layout_segment *fls = FF_LAYOUT_LSEG(lseg); struct nfs4_ff_layout_mirror *mirror; struct nfs4_pnfs_ds *ds; bool fail_return = false; - int idx; + u32 idx; /* mirrors are initially sorted by efficiency */ for (idx = start_idx; idx < fls->mirror_array_cnt; idx++) { @@ -766,21 +766,21 @@ ff_layout_choose_ds_for_read(struct pnfs_layout_segment *lseg, static struct nfs4_pnfs_ds * ff_layout_choose_any_ds_for_read(struct pnfs_layout_segment *lseg, - int start_idx, int *best_idx) + u32 start_idx, u32 *best_idx) { return ff_layout_choose_ds_for_read(lseg, start_idx, best_idx, false); } static struct nfs4_pnfs_ds * ff_layout_choose_valid_ds_for_read(struct pnfs_layout_segment *lseg, - int start_idx, int *best_idx) + u32 start_idx, u32 *best_idx) { return ff_layout_choose_ds_for_read(lseg, start_idx, best_idx, true); } static struct nfs4_pnfs_ds * ff_layout_choose_best_ds_for_read(struct pnfs_layout_segment *lseg, - int start_idx, int *best_idx) + u32 start_idx, u32 *best_idx) { struct nfs4_pnfs_ds *ds; @@ -791,7 +791,8 @@ ff_layout_choose_best_ds_for_read(struct pnfs_layout_segment *lseg, } static struct nfs4_pnfs_ds * -ff_layout_get_ds_for_read(struct nfs_pageio_descriptor *pgio, int *best_idx) +ff_layout_get_ds_for_read(struct nfs_pageio_descriptor *pgio, + u32 *best_idx) { struct pnfs_layout_segment *lseg = pgio->pg_lseg; struct nfs4_pnfs_ds *ds; @@ -837,8 +838,7 @@ ff_layout_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_pgio_mirror *pgm; struct nfs4_ff_layout_mirror *mirror; struct nfs4_pnfs_ds *ds; - int ds_idx; - u32 i; + u32 ds_idx, i; retry: ff_layout_pg_check_layout(pgio, req); @@ -895,7 +895,7 @@ ff_layout_pg_init_write(struct nfs_pageio_descriptor *pgio, struct nfs4_ff_layout_mirror *mirror; struct nfs_pgio_mirror *pgm; struct nfs4_pnfs_ds *ds; - int i; + u32 i; retry: ff_layout_pg_check_layout(pgio, req); @@ -1039,7 +1039,7 @@ static void ff_layout_reset_write(struct nfs_pgio_header *hdr, bool retry_pnfs) static void ff_layout_resend_pnfs_read(struct nfs_pgio_header *hdr) { u32 idx = hdr->pgio_mirror_idx + 1; - int new_idx = 0; + u32 new_idx = 0; if (ff_layout_choose_any_ds_for_read(hdr->lseg, idx + 1, &new_idx)) ff_layout_send_layouterror(hdr->lseg); @@ -1076,7 +1076,7 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task, struct nfs4_state *state, struct nfs_client *clp, struct pnfs_layout_segment *lseg, - int idx) + u32 idx) { struct pnfs_layout_hdr *lo = lseg->pls_layout; struct inode *inode = lo->plh_inode; @@ -1150,7 +1150,7 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task, /* Retry all errors through either pNFS or MDS except for -EJUKEBOX */ static int ff_layout_async_handle_error_v3(struct rpc_task *task, struct pnfs_layout_segment *lseg, - int idx) + u32 idx) { struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx); @@ -1185,7 +1185,7 @@ static int ff_layout_async_handle_error(struct rpc_task *task, struct nfs4_state *state, struct nfs_client *clp, struct pnfs_layout_segment *lseg, - int idx) + u32 idx) { int vers = clp->cl_nfs_mod->rpc_vers->number; @@ -1212,7 +1212,7 @@ static int ff_layout_async_handle_error(struct rpc_task *task, } static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg, - int idx, u64 offset, u64 length, + u32 idx, u64 offset, u64 length, u32 *op_status, int opnum, int error) { struct nfs4_ff_layout_mirror *mirror; @@ -1810,7 +1810,7 @@ ff_layout_write_pagelist(struct nfs_pgio_header *hdr, int sync) loff_t offset = hdr->args.offset; int vers; struct nfs_fh *fh; - int idx = hdr->pgio_mirror_idx; + u32 idx = hdr->pgio_mirror_idx; mirror = FF_LAYOUT_COMP(lseg, idx); ds = nfs4_ff_layout_prepare_ds(lseg, mirror, true); diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 9408f3252c8e..69cb46f7b8d2 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -1611,8 +1611,8 @@ struct nfs_pgio_header { __u64 mds_offset; /* Filelayout dense stripe */ struct nfs_page_array page_array; struct nfs_client *ds_clp; /* pNFS data server */ - int ds_commit_idx; /* ds index if ds_clp is set */ - int pgio_mirror_idx;/* mirror index in pgio layer */ + u32 ds_commit_idx; /* ds index if ds_clp is set */ + u32 pgio_mirror_idx;/* mirror index in pgio layer */ }; struct nfs_mds_commit_info {