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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-07-24 17:08:31 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-07-24 17:08:31 -0400 |
| commit | 362745268ce119c473952b30f57d947bdede7f7a (patch) | |
| tree | d5632a60c88af58d77914c421ab11596b3c450f5 /fs/nfs/internal.h | |
| parent | 7f94ed24958d790687296701175cc43a6027c6c5 (diff) | |
| parent | e033fb51ebb2983ee17b4a1b96ccbaedb137d9e9 (diff) | |
| download | linux-362745268ce119c473952b30f57d947bdede7f7a.tar.gz | |
Merge branch 'writeback'
Diffstat (limited to 'fs/nfs/internal.h')
| -rw-r--r-- | fs/nfs/internal.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index f7e33a5984d8..8de509b65e8d 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -412,6 +412,19 @@ extern void __exit unregister_nfs_fs(void); extern bool nfs_sb_active(struct super_block *sb); extern void nfs_sb_deactive(struct super_block *sb); +/* io.c */ +extern void nfs_start_io_read(struct inode *inode); +extern void nfs_end_io_read(struct inode *inode); +extern void nfs_start_io_write(struct inode *inode); +extern void nfs_end_io_write(struct inode *inode); +extern void nfs_start_io_direct(struct inode *inode); +extern void nfs_end_io_direct(struct inode *inode); + +static inline bool nfs_file_io_is_buffered(struct nfs_inode *nfsi) +{ + return test_bit(NFS_INO_ODIRECT, &nfsi->flags) == 0; +} + /* namespace.c */ #define NFS_PATH_CANONICAL 1 extern char *nfs_path(char **p, struct dentry *dentry, @@ -500,6 +513,26 @@ int nfs_key_timeout_notify(struct file *filp, struct inode *inode); bool nfs_ctx_key_to_expire(struct nfs_open_context *ctx, struct inode *inode); void nfs_pageio_stop_mirroring(struct nfs_pageio_descriptor *pgio); +int nfs_filemap_write_and_wait_range(struct address_space *mapping, + loff_t lstart, loff_t lend); + +#ifdef CONFIG_NFS_V4_1 +static inline +void nfs_clear_pnfs_ds_commit_verifiers(struct pnfs_ds_commit_info *cinfo) +{ + int i; + + for (i = 0; i < cinfo->nbuckets; i++) + cinfo->buckets[i].direct_verf.committed = NFS_INVALID_STABLE_HOW; +} +#else +static inline +void nfs_clear_pnfs_ds_commit_verifiers(struct pnfs_ds_commit_info *cinfo) +{ +} +#endif + + #ifdef CONFIG_MIGRATION extern int nfs_migrate_page(struct address_space *, struct page *, struct page *, enum migrate_mode); @@ -507,6 +540,13 @@ extern int nfs_migrate_page(struct address_space *, #define nfs_migrate_page NULL #endif +static inline int +nfs_write_verifier_cmp(const struct nfs_write_verifier *v1, + const struct nfs_write_verifier *v2) +{ + return memcmp(v1->data, v2->data, sizeof(v1->data)); +} + /* unlink.c */ extern struct rpc_task * nfs_async_rename(struct inode *old_dir, struct inode *new_dir, |