diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-04-08 21:38:12 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-04-08 22:12:33 -0400 |
| commit | 577b42327d707fbe7166aad6902c2eeee6a65015 (patch) | |
| tree | 3c2c925ede3f9cd13511e0b9913974200b99719e /fs/nfs/internal.h | |
| parent | bc7a05ca5156915a5aada26d64ee035fdd5e5d25 (diff) | |
NFS: Add functionality to allow waiting on all outstanding reads to complete
This will later allow NFS locking code to wait for readahead to complete
before releasing byte range locks.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/internal.h')
| -rw-r--r-- | fs/nfs/internal.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 541c9ebdbc5..91e59a39fc0 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -229,6 +229,13 @@ extern void nfs_pgheader_init(struct nfs_pageio_descriptor *desc, struct nfs_pgio_header *hdr, void (*release)(struct nfs_pgio_header *hdr)); void nfs_set_pgio_error(struct nfs_pgio_header *hdr, int error, loff_t pos); +int nfs_iocounter_wait(struct nfs_io_counter *c); + +static inline void nfs_iocounter_init(struct nfs_io_counter *c) +{ + c->flags = 0; + atomic_set(&c->io_count, 0); +} /* nfs2xdr.c */ extern struct rpc_procinfo nfs_procedures[]; |