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| author |   Trond Myklebust <trond.myklebust@primarydata.com> | 2016-06-03 17:07:19 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-07-05 19:11:04 -0400 |
| commit | a5864c999de6703f7ce908f72337568520c6cad3 (patch) | |
| tree | c1136f64cb88078a28bfb177d9f0f1e1745716d2 /fs/nfs/internal.h | |
| parent | NFS: Move buffered I/O locking into nfs_file_write() (diff) | |
| download | linux-dev-a5864c999de6703f7ce908f72337568520c6cad3.tar.xz linux-dev-a5864c999de6703f7ce908f72337568520c6cad3.zip | |
NFS: Do not serialise O_DIRECT reads and writes
Allow dio requests to be scheduled in parallel, but ensuring that they
do not conflict with buffered I/O.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/internal.h')
| -rw-r--r-- | fs/nfs/internal.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 0eb5c924886d..159b64ede82a 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -411,6 +411,14 @@ 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); + /* namespace.c */ #define NFS_PATH_CANONICAL 1 extern char *nfs_path(char **p, struct dentry *dentry, |