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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-06-23 10:35:48 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-07-05 19:11:03 -0400 |
| commit | 89698b24d24f9c8b470a73351b0b7199c17e0153 (patch) | |
| tree | 6d778072da2d0f6d1ed7765cbbc51104e9217376 /fs/nfs/direct.c | |
| parent | 2f3c7d87a347b12f725f6128b3097727b91b230e (diff) | |
| download | lwn-89698b24d24f9c8b470a73351b0b7199c17e0153.tar.gz lwn-89698b24d24f9c8b470a73351b0b7199c17e0153.zip | |
NFS Cleanup: move call to generic_write_checks() into fs/nfs/direct.c
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/direct.c')
| -rw-r--r-- | fs/nfs/direct.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 826d4dace0e5..0169eca8eb42 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -988,6 +988,7 @@ static ssize_t nfs_direct_write_schedule_iovec(struct nfs_direct_req *dreq, ssize_t nfs_file_direct_write(struct kiocb *iocb, struct iov_iter *iter) { ssize_t result = -EINVAL; + size_t count; struct file *file = iocb->ki_filp; struct address_space *mapping = file->f_mapping; struct inode *inode = mapping->host; @@ -998,8 +999,11 @@ ssize_t nfs_file_direct_write(struct kiocb *iocb, struct iov_iter *iter) dfprintk(FILE, "NFS: direct write(%pD2, %zd@%Ld)\n", file, iov_iter_count(iter), (long long) iocb->ki_pos); - nfs_add_stats(mapping->host, NFSIOS_DIRECTWRITTENBYTES, - iov_iter_count(iter)); + result = generic_write_checks(iocb, iter); + if (result <= 0) + return result; + count = result; + nfs_add_stats(mapping->host, NFSIOS_DIRECTWRITTENBYTES, count); pos = iocb->ki_pos; end = (pos + iov_iter_count(iter) - 1) >> PAGE_SHIFT; @@ -1017,7 +1021,7 @@ ssize_t nfs_file_direct_write(struct kiocb *iocb, struct iov_iter *iter) goto out_unlock; } - task_io_account_write(iov_iter_count(iter)); + task_io_account_write(count); result = -ENOMEM; dreq = nfs_direct_req_alloc(); @@ -1025,7 +1029,7 @@ ssize_t nfs_file_direct_write(struct kiocb *iocb, struct iov_iter *iter) goto out_unlock; dreq->inode = inode; - dreq->bytes_left = dreq->max_count = iov_iter_count(iter); + dreq->bytes_left = dreq->max_count = count; dreq->io_start = pos; dreq->ctx = get_nfs_open_context(nfs_file_open_context(iocb->ki_filp)); l_ctx = nfs_get_lock_context(dreq->ctx); |