diff options
Diffstat (limited to 'fs/nfs/flexfilelayout/flexfilelayout.h')
| -rw-r--r-- | fs/nfs/flexfilelayout/flexfilelayout.h | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.h b/fs/nfs/flexfilelayout/flexfilelayout.h index 3ee0c9fcea76..f4f39b0ab09b 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.h +++ b/fs/nfs/flexfilelayout/flexfilelayout.h @@ -21,6 +21,7 @@ /* LAYOUTSTATS report interval in ms */ #define FF_LAYOUTSTATS_REPORT_INTERVAL (60000L) +#define FF_LAYOUTSTATS_MAXDEV 4 struct nfs4_ff_ds_version { u32 version; @@ -73,6 +74,7 @@ struct nfs4_ff_layout_mirror { struct list_head mirrors; u32 ds_count; u32 efficiency; + struct nfs4_deviceid devid; struct nfs4_ff_layout_ds *mirror_ds; u32 fh_versions_cnt; struct nfs_fh *fh_versions; @@ -81,12 +83,15 @@ struct nfs4_ff_layout_mirror { struct rpc_cred __rcu *rw_cred; atomic_t ref; spinlock_t lock; + unsigned long flags; struct nfs4_ff_layoutstat read_stat; struct nfs4_ff_layoutstat write_stat; ktime_t start_time; u32 report_interval; }; +#define NFS4_FF_MIRROR_STAT_AVAIL (0) + struct nfs4_ff_layout_segment { struct pnfs_layout_segment generic_hdr; u64 stripe_unit; @@ -103,6 +108,14 @@ struct nfs4_flexfile_layout { ktime_t last_report_time; /* Layoutstat report times */ }; +struct nfs4_flexfile_layoutreturn_args { + struct list_head errors; + struct nfs42_layoutstat_devinfo devinfo[FF_LAYOUTSTATS_MAXDEV]; + unsigned int num_errors; + unsigned int num_dev; + struct page *pages[1]; +}; + static inline struct nfs4_flexfile_layout * FF_LAYOUT_FROM_HDR(struct pnfs_layout_hdr *lo) { @@ -180,9 +193,12 @@ int ff_layout_track_ds_error(struct nfs4_flexfile_layout *flo, struct nfs4_ff_layout_mirror *mirror, u64 offset, u64 length, int status, enum nfs_opnum4 opnum, gfp_t gfp_flags); -int ff_layout_encode_ds_ioerr(struct nfs4_flexfile_layout *flo, - struct xdr_stream *xdr, int *count, - const struct pnfs_layout_range *range); +int ff_layout_encode_ds_ioerr(struct xdr_stream *xdr, const struct list_head *head); +void ff_layout_free_ds_ioerr(struct list_head *head); +unsigned int ff_layout_fetch_ds_ioerr(struct pnfs_layout_hdr *lo, + const struct pnfs_layout_range *range, + struct list_head *head, + unsigned int maxnum); struct nfs_fh * nfs4_ff_layout_select_ds_fh(struct pnfs_layout_segment *lseg, u32 mirror_idx); @@ -197,7 +213,6 @@ nfs4_ff_find_or_create_ds_client(struct pnfs_layout_segment *lseg, struct inode *inode); struct rpc_cred *ff_layout_get_ds_cred(struct pnfs_layout_segment *lseg, u32 ds_idx, struct rpc_cred *mdscred); -bool ff_layout_has_available_ds(struct pnfs_layout_segment *lseg); bool ff_layout_avoid_mds_available_ds(struct pnfs_layout_segment *lseg); bool ff_layout_avoid_read_on_rw(struct pnfs_layout_segment *lseg); |