diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/nfs_fs.h | 26 | ||||
-rw-r--r-- | include/linux/nfs_page.h | 20 | ||||
-rw-r--r-- | include/linux/nfs_xdr.h | 179 |
3 files changed, 153 insertions, 72 deletions
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 52a1bdb4ee2b..6cc7dbaf0695 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -179,8 +179,7 @@ struct nfs_inode { __be32 cookieverf[2]; unsigned long npages; - unsigned long ncommit; - struct list_head commit_list; + struct nfs_mds_commit_info commit_info; /* Open contexts for shared mmap writes */ struct list_head open_files; @@ -201,7 +200,6 @@ struct nfs_inode { /* pNFS layout information */ struct pnfs_layout_hdr *layout; - atomic_t commits_outstanding; #endif /* CONFIG_NFS_V4*/ #ifdef CONFIG_NFS_FSCACHE struct fscache_cookie *fscache; @@ -230,7 +228,6 @@ struct nfs_inode { #define NFS_INO_FSCACHE (5) /* inode can be cached by FS-Cache */ #define NFS_INO_FSCACHE_LOCK (6) /* FS-Cache cookie management lock */ #define NFS_INO_COMMIT (7) /* inode is committing unstable writes */ -#define NFS_INO_PNFS_COMMIT (8) /* use pnfs code for commit */ #define NFS_INO_LAYOUTCOMMIT (9) /* layoutcommit required */ #define NFS_INO_LAYOUTCOMMITTING (10) /* layoutcommit inflight */ @@ -317,11 +314,6 @@ static inline int nfs_server_capable(struct inode *inode, int cap) return NFS_SERVER(inode)->caps & cap; } -static inline int NFS_USE_READDIRPLUS(struct inode *inode) -{ - return test_bit(NFS_INO_ADVISE_RDPLUS, &NFS_I(inode)->flags); -} - static inline void nfs_set_verifier(struct dentry * dentry, unsigned long verf) { dentry->d_time = verf; @@ -552,8 +544,8 @@ extern int nfs_wb_page(struct inode *inode, struct page* page); extern int nfs_wb_page_cancel(struct inode *inode, struct page* page); #if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4) extern int nfs_commit_inode(struct inode *, int); -extern struct nfs_write_data *nfs_commitdata_alloc(void); -extern void nfs_commit_free(struct nfs_write_data *wdata); +extern struct nfs_commit_data *nfs_commitdata_alloc(void); +extern void nfs_commit_free(struct nfs_commit_data *data); #else static inline int nfs_commit_inode(struct inode *inode, int how) @@ -569,12 +561,6 @@ nfs_have_writebacks(struct inode *inode) } /* - * Allocate nfs_write_data structures - */ -extern struct nfs_write_data *nfs_writedata_alloc(unsigned int npages); -extern void nfs_writedata_free(struct nfs_write_data *); - -/* * linux/fs/nfs/read.c */ extern int nfs_readpage(struct file *, struct page *); @@ -585,12 +571,6 @@ extern int nfs_readpage_async(struct nfs_open_context *, struct inode *, struct page *); /* - * Allocate nfs_read_data structures - */ -extern struct nfs_read_data *nfs_readdata_alloc(unsigned int npages); -extern void nfs_readdata_free(struct nfs_read_data *); - -/* * linux/fs/nfs3proc.c */ #ifdef CONFIG_NFS_V3_ACL diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h index eac30d6bec17..88d166b555e8 100644 --- a/include/linux/nfs_page.h +++ b/include/linux/nfs_page.h @@ -27,7 +27,6 @@ enum { PG_CLEAN, PG_NEED_COMMIT, PG_NEED_RESCHED, - PG_PARTIAL_READ_FAILED, PG_COMMIT_TO_DS, }; @@ -37,7 +36,6 @@ struct nfs_page { struct page *wb_page; /* page to read in/write out */ struct nfs_open_context *wb_context; /* File state context info */ struct nfs_lock_context *wb_lock_context; /* lock context info */ - atomic_t wb_complete; /* i/os we're waiting for */ pgoff_t wb_index; /* Offset >> PAGE_CACHE_SHIFT */ unsigned int wb_offset, /* Offset & ~PAGE_CACHE_MASK */ wb_pgbase, /* Start of page data */ @@ -68,7 +66,9 @@ struct nfs_pageio_descriptor { int pg_ioflags; int pg_error; const struct rpc_call_ops *pg_rpc_callops; + const struct nfs_pgio_completion_ops *pg_completion_ops; struct pnfs_layout_segment *pg_lseg; + struct nfs_direct_req *pg_dreq; }; #define NFS_WBACK_BUSY(req) (test_bit(PG_BUSY,&(req)->wb_flags)) @@ -84,6 +84,7 @@ extern void nfs_release_request(struct nfs_page *req); extern void nfs_pageio_init(struct nfs_pageio_descriptor *desc, struct inode *inode, const struct nfs_pageio_ops *pg_ops, + const struct nfs_pgio_completion_ops *compl_ops, size_t bsize, int how); extern int nfs_pageio_add_request(struct nfs_pageio_descriptor *, @@ -95,26 +96,17 @@ extern bool nfs_generic_pg_test(struct nfs_pageio_descriptor *desc, struct nfs_page *req); extern int nfs_wait_on_request(struct nfs_page *); extern void nfs_unlock_request(struct nfs_page *req); +extern void nfs_unlock_and_release_request(struct nfs_page *req); /* - * Lock the page of an asynchronous request without getting a new reference + * Lock the page of an asynchronous request */ static inline int -nfs_lock_request_dontget(struct nfs_page *req) -{ - return !test_and_set_bit(PG_BUSY, &req->wb_flags); -} - -static inline int nfs_lock_request(struct nfs_page *req) { - if (test_and_set_bit(PG_BUSY, &req->wb_flags)) - return 0; - kref_get(&req->wb_kref); - return 1; + return !test_and_set_bit(PG_BUSY, &req->wb_flags); } - /** * nfs_list_add_request - Insert a request into a list * @req: request diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 7ba3551a0414..2e53a3f1d2ff 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -106,14 +106,14 @@ struct nfs_fattr { | NFS_ATTR_FATTR_FILEID \ | NFS_ATTR_FATTR_ATIME \ | NFS_ATTR_FATTR_MTIME \ - | NFS_ATTR_FATTR_CTIME) + | NFS_ATTR_FATTR_CTIME \ + | NFS_ATTR_FATTR_CHANGE) #define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \ | NFS_ATTR_FATTR_BLOCKS_USED) #define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \ | NFS_ATTR_FATTR_SPACE_USED) #define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \ - | NFS_ATTR_FATTR_SPACE_USED \ - | NFS_ATTR_FATTR_CHANGE) + | NFS_ATTR_FATTR_SPACE_USED) /* * Info on the file system @@ -338,7 +338,6 @@ struct nfs_openargs { const struct qstr * name; const struct nfs_server *server; /* Needed for ID mapping */ const u32 * bitmask; - const u32 * dir_bitmask; __u32 claim; struct nfs4_sequence_args seq_args; }; @@ -349,7 +348,6 @@ struct nfs_openres { struct nfs4_change_info cinfo; __u32 rflags; struct nfs_fattr * f_attr; - struct nfs_fattr * dir_attr; struct nfs_seqid * seqid; const struct nfs_server *server; fmode_t delegation_type; @@ -519,12 +517,29 @@ struct nfs_writeres { }; /* + * Arguments to the commit call. + */ +struct nfs_commitargs { + struct nfs_fh *fh; + __u64 offset; + __u32 count; + const u32 *bitmask; + struct nfs4_sequence_args seq_args; +}; + +struct nfs_commitres { + struct nfs_fattr *fattr; + struct nfs_writeverf *verf; + const struct nfs_server *server; + struct nfs4_sequence_res seq_res; +}; + +/* * Common arguments to the unlink call */ struct nfs_removeargs { const struct nfs_fh *fh; struct qstr name; - const u32 * bitmask; struct nfs4_sequence_args seq_args; }; @@ -543,7 +558,6 @@ struct nfs_renameargs { const struct nfs_fh *new_dir; const struct qstr *old_name; const struct qstr *new_name; - const u32 *bitmask; struct nfs4_sequence_args seq_args; }; @@ -839,7 +853,6 @@ struct nfs4_create_res { struct nfs_fh * fh; struct nfs_fattr * fattr; struct nfs4_change_info dir_cinfo; - struct nfs_fattr * dir_fattr; struct nfs4_sequence_res seq_res; }; @@ -1061,6 +1074,21 @@ struct nfstime4 { }; #ifdef CONFIG_NFS_V4_1 + +struct pnfs_commit_bucket { + struct list_head written; + struct list_head committing; + struct pnfs_layout_segment *wlseg; + struct pnfs_layout_segment *clseg; +}; + +struct pnfs_ds_commit_info { + int nwritten; + int ncommitting; + int nbuckets; + struct pnfs_commit_bucket *buckets; +}; + #define NFS4_EXCHANGE_ID_LEN (48) struct nfs41_exchange_id_args { struct nfs_client *client; @@ -1143,35 +1171,114 @@ struct nfs41_free_stateid_res { struct nfs4_sequence_res seq_res; }; +#else + +struct pnfs_ds_commit_info { +}; + #endif /* CONFIG_NFS_V4_1 */ struct nfs_page; #define NFS_PAGEVEC_SIZE (8U) +struct nfs_page_array { + struct page **pagevec; + unsigned int npages; /* Max length of pagevec */ + struct page *page_array[NFS_PAGEVEC_SIZE]; +}; + struct nfs_read_data { + struct nfs_pgio_header *header; + struct list_head list; struct rpc_task task; - struct inode *inode; - struct rpc_cred *cred; struct nfs_fattr fattr; /* fattr storage */ - struct list_head pages; /* Coalesced read requests */ - struct list_head list; /* lists of struct nfs_read_data */ - struct nfs_page *req; /* multi ops per nfs_page */ - struct page **pagevec; - unsigned int npages; /* Max length of pagevec */ struct nfs_readargs args; struct nfs_readres res; unsigned long timestamp; /* For lease renewal */ - struct pnfs_layout_segment *lseg; - struct nfs_client *ds_clp; /* pNFS data server */ - const struct rpc_call_ops *mds_ops; int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data); __u64 mds_offset; + struct nfs_page_array pages; + struct nfs_client *ds_clp; /* pNFS data server */ +}; + +/* used as flag bits in nfs_pgio_header */ +enum { + NFS_IOHDR_ERROR = 0, + NFS_IOHDR_EOF, + NFS_IOHDR_REDO, + NFS_IOHDR_NEED_COMMIT, + NFS_IOHDR_NEED_RESCHED, +}; + +struct nfs_pgio_header { + struct inode *inode; + struct rpc_cred *cred; + struct list_head pages; + struct list_head rpc_list; + atomic_t refcnt; + struct nfs_page *req; + struct pnfs_layout_segment *lseg; + loff_t io_start; + const struct rpc_call_ops *mds_ops; + void (*release) (struct nfs_pgio_header *hdr); + const struct nfs_pgio_completion_ops *completion_ops; + struct nfs_direct_req *dreq; + spinlock_t lock; + /* fields protected by lock */ int pnfs_error; - struct page *page_array[NFS_PAGEVEC_SIZE]; + int error; /* merge with pnfs_error */ + unsigned long good_bytes; /* boundary of good data */ + unsigned long flags; +}; + +struct nfs_read_header { + struct nfs_pgio_header header; + struct nfs_read_data rpc_data; }; struct nfs_write_data { + struct nfs_pgio_header *header; + struct list_head list; + struct rpc_task task; + struct nfs_fattr fattr; + struct nfs_writeverf verf; + struct nfs_writeargs args; /* argument struct */ + struct nfs_writeres res; /* result struct */ + unsigned long timestamp; /* For lease renewal */ + int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data); + __u64 mds_offset; /* Filelayout dense stripe */ + struct nfs_page_array pages; + struct nfs_client *ds_clp; /* pNFS data server */ +}; + +struct nfs_write_header { + struct nfs_pgio_header header; + struct nfs_write_data rpc_data; +}; + +struct nfs_mds_commit_info { + atomic_t rpcs_out; + unsigned long ncommit; + struct list_head list; +}; + +struct nfs_commit_data; +struct nfs_inode; +struct nfs_commit_completion_ops { + void (*error_cleanup) (struct nfs_inode *nfsi); + void (*completion) (struct nfs_commit_data *data); +}; + +struct nfs_commit_info { + spinlock_t *lock; + struct nfs_mds_commit_info *mds; + struct pnfs_ds_commit_info *ds; + struct nfs_direct_req *dreq; /* O_DIRECT request */ + const struct nfs_commit_completion_ops *completion_ops; +}; + +struct nfs_commit_data { struct rpc_task task; struct inode *inode; struct rpc_cred *cred; @@ -1179,22 +1286,22 @@ struct nfs_write_data { struct nfs_writeverf verf; struct list_head pages; /* Coalesced requests we wish to flush */ struct list_head list; /* lists of struct nfs_write_data */ - struct nfs_page *req; /* multi ops per nfs_page */ - struct page **pagevec; - unsigned int npages; /* Max length of pagevec */ - struct nfs_writeargs args; /* argument struct */ - struct nfs_writeres res; /* result struct */ + struct nfs_direct_req *dreq; /* O_DIRECT request */ + struct nfs_commitargs args; /* argument struct */ + struct nfs_commitres res; /* result struct */ + struct nfs_open_context *context; struct pnfs_layout_segment *lseg; struct nfs_client *ds_clp; /* pNFS data server */ int ds_commit_index; const struct rpc_call_ops *mds_ops; - int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data); -#ifdef CONFIG_NFS_V4 - unsigned long timestamp; /* For lease renewal */ -#endif - __u64 mds_offset; /* Filelayout dense stripe */ - int pnfs_error; - struct page *page_array[NFS_PAGEVEC_SIZE]; + const struct nfs_commit_completion_ops *completion_ops; + int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data); +}; + +struct nfs_pgio_completion_ops { + void (*error_cleanup)(struct list_head *head); + void (*init_hdr)(struct nfs_pgio_header *hdr); + void (*completion)(struct nfs_pgio_header *hdr); }; struct nfs_unlinkdata { @@ -1234,11 +1341,13 @@ struct nfs_rpc_ops { int (*getroot) (struct nfs_server *, struct nfs_fh *, struct nfs_fsinfo *); + struct vfsmount *(*submount) (struct nfs_server *, struct dentry *, + struct nfs_fh *, struct nfs_fattr *); int (*getattr) (struct nfs_server *, struct nfs_fh *, struct nfs_fattr *); int (*setattr) (struct dentry *, struct nfs_fattr *, struct iattr *); - int (*lookup) (struct rpc_clnt *clnt, struct inode *, struct qstr *, + int (*lookup) (struct inode *, struct qstr *, struct nfs_fh *, struct nfs_fattr *); int (*access) (struct inode *, struct nfs_access_entry *); int (*readlink)(struct inode *, struct page *, unsigned int, @@ -1277,8 +1386,9 @@ struct nfs_rpc_ops { void (*write_setup) (struct nfs_write_data *, struct rpc_message *); void (*write_rpc_prepare)(struct rpc_task *, struct nfs_write_data *); int (*write_done) (struct rpc_task *, struct nfs_write_data *); - void (*commit_setup) (struct nfs_write_data *, struct rpc_message *); - int (*commit_done) (struct rpc_task *, struct nfs_write_data *); + void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *); + void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *); + int (*commit_done) (struct rpc_task *, struct nfs_commit_data *); int (*lock)(struct file *, int, struct file_lock *); int (*lock_check_bounds)(const struct file_lock *); void (*clear_acl_cache)(struct inode *); @@ -1289,7 +1399,6 @@ struct nfs_rpc_ops { struct iattr *iattr); int (*init_client) (struct nfs_client *, const struct rpc_timeout *, const char *, rpc_authflavor_t, int); - int (*secinfo)(struct inode *, const struct qstr *, struct nfs4_secinfo_flavors *); }; /* |