diff options
Diffstat (limited to 'fs/nfs/pnfs.h')
| -rw-r--r-- | fs/nfs/pnfs.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 8aaab56b794..f91d0d45551 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -49,6 +49,7 @@ struct pnfs_layout_segment { enum { NFS_LAYOUT_RO_FAILED = 0, /* get ro layout failed stop trying */ NFS_LAYOUT_RW_FAILED, /* get rw layout failed stop trying */ + NFS_LAYOUT_BULK_RECALL, /* bulk recall affecting layout */ NFS_LAYOUT_DESTROYED, /* no new use of layout allowed */ }; @@ -67,9 +68,11 @@ struct pnfs_layoutdriver_type { struct pnfs_layout_hdr { atomic_t plh_refcount; struct list_head plh_layouts; /* other client layouts */ + struct list_head plh_bulk_recall; /* clnt list of bulk recalls */ struct list_head plh_segs; /* layout segments list */ nfs4_stateid plh_stateid; atomic_t plh_outstanding; /* number of RPCs out */ + u32 plh_barrier; /* ignore lower seqids */ unsigned long plh_flags; struct inode *plh_inode; }; @@ -139,18 +142,26 @@ extern int nfs4_proc_getdeviceinfo(struct nfs_server *server, extern int nfs4_proc_layoutget(struct nfs4_layoutget *lgp); /* pnfs.c */ +void get_layout_hdr(struct pnfs_layout_hdr *lo); struct pnfs_layout_segment * pnfs_update_layout(struct inode *ino, struct nfs_open_context *ctx, enum pnfs_iomode access_type); void set_pnfs_layoutdriver(struct nfs_server *, u32 id); void unset_pnfs_layoutdriver(struct nfs_server *); int pnfs_layout_process(struct nfs4_layoutget *lgp); +void pnfs_free_lseg_list(struct list_head *tmp_list); void pnfs_destroy_layout(struct nfs_inode *); void pnfs_destroy_all_layouts(struct nfs_client *); void put_layout_hdr(struct pnfs_layout_hdr *lo); +void pnfs_set_layout_stateid(struct pnfs_layout_hdr *lo, + const nfs4_stateid *new, + bool update_barrier); int pnfs_choose_layoutget_stateid(nfs4_stateid *dst, struct pnfs_layout_hdr *lo, struct nfs4_state *open_state); +int mark_matching_lsegs_invalid(struct pnfs_layout_hdr *lo, + struct list_head *tmp_list, + u32 iomode); static inline int lo_fail_bit(u32 iomode) |