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-rw-r--r--include/linux/nfs_fs.h26
-rw-r--r--include/linux/nfs_page.h20
-rw-r--r--include/linux/nfs_xdr.h179
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 *);
};
/*