From: Vivek Goyal <vgoyal@redhat.com>
To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org, linux-nvdimm@lists.01.org
Cc: vgoyal@redhat.com, miklos@szeredi.hu, stefanha@redhat.com,
dgilbert@redhat.com, swhiteho@redhat.com
Subject: [PATCH v2 05/30] fuse: export fuse_len_args()
Date: Wed, 15 May 2019 15:26:50 -0400 [thread overview]
Message-ID: <20190515192715.18000-6-vgoyal@redhat.com> (raw)
In-Reply-To: <20190515192715.18000-1-vgoyal@redhat.com>
From: Stefan Hajnoczi <stefanha@redhat.com>
virtio-fs will need to query the length of fuse_arg lists. Make the
symbol visible.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
fs/fuse/dev.c | 7 ++++---
fs/fuse/fuse_i.h | 5 +++++
2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 46d1aecd7506..d8054b1a45f5 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -350,7 +350,7 @@ void fuse_put_request(struct fuse_conn *fc, struct fuse_req *req)
}
EXPORT_SYMBOL_GPL(fuse_put_request);
-static unsigned len_args(unsigned numargs, struct fuse_arg *args)
+unsigned fuse_len_args(unsigned numargs, struct fuse_arg *args)
{
unsigned nbytes = 0;
unsigned i;
@@ -360,6 +360,7 @@ static unsigned len_args(unsigned numargs, struct fuse_arg *args)
return nbytes;
}
+EXPORT_SYMBOL_GPL(fuse_len_args);
static u64 fuse_get_unique(struct fuse_iqueue *fiq)
{
@@ -375,7 +376,7 @@ static unsigned int fuse_req_hash(u64 unique)
static void queue_request(struct fuse_iqueue *fiq, struct fuse_req *req)
{
req->in.h.len = sizeof(struct fuse_in_header) +
- len_args(req->in.numargs, (struct fuse_arg *) req->in.args);
+ fuse_len_args(req->in.numargs, (struct fuse_arg *) req->in.args);
list_add_tail(&req->list, &fiq->pending);
wake_up_locked(&fiq->waitq);
kill_fasync(&fiq->fasync, SIGIO, POLL_IN);
@@ -1894,7 +1895,7 @@ static int copy_out_args(struct fuse_copy_state *cs, struct fuse_out *out,
if (out->h.error)
return nbytes != reqsize ? -EINVAL : 0;
- reqsize += len_args(out->numargs, out->args);
+ reqsize += fuse_len_args(out->numargs, out->args);
if (reqsize < nbytes || (reqsize > nbytes && !out->argvar))
return -EINVAL;
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index c4584c873b87..3a235386d667 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -1091,4 +1091,9 @@ int fuse_set_acl(struct inode *inode, struct posix_acl *acl, int type);
/* readdir.c */
int fuse_readdir(struct file *file, struct dir_context *ctx);
+/**
+ * Return the number of bytes in an arguments list
+ */
+unsigned fuse_len_args(unsigned numargs, struct fuse_arg *args);
+
#endif /* _FS_FUSE_I_H */
--
2.20.1
next prev parent reply other threads:[~2019-05-15 19:31 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-15 19:26 [PATCH v2 00/30] [RFC] virtio-fs: shared file system for virtual machines Vivek Goyal
2019-05-15 19:26 ` [PATCH v2 01/30] fuse: delete dentry if timeout is zero Vivek Goyal
2019-05-15 19:26 ` [PATCH v2 02/30] fuse: Clear setuid bit even in cache=never path Vivek Goyal
2019-05-20 14:41 ` Miklos Szeredi
2019-05-20 14:44 ` Miklos Szeredi
2019-05-20 20:25 ` Nikolaus Rath
2019-05-21 15:01 ` Vivek Goyal
2019-05-15 19:26 ` [PATCH v2 03/30] fuse: Use default_file_splice_read for direct IO Vivek Goyal
2019-05-15 19:26 ` [PATCH v2 04/30] fuse: export fuse_end_request() Vivek Goyal
2019-05-15 19:26 ` Vivek Goyal [this message]
2019-05-15 19:26 ` [PATCH v2 06/30] fuse: Export fuse_send_init_request() Vivek Goyal
2019-05-15 19:26 ` [PATCH v2 07/30] fuse: export fuse_get_unique() Vivek Goyal
2019-05-15 19:26 ` [PATCH v2 08/30] fuse: extract fuse_fill_super_common() Vivek Goyal
2019-05-15 19:26 ` [PATCH v2 09/30] fuse: add fuse_iqueue_ops callbacks Vivek Goyal
2019-05-15 19:26 ` [PATCH v2 10/30] fuse: Separate fuse device allocation and installation in fuse_conn Vivek Goyal
2019-05-15 19:26 ` [PATCH v2 11/30] virtio_fs: add skeleton virtio_fs.ko module Vivek Goyal
2019-05-15 19:26 ` [PATCH v2 12/30] dax: remove block device dependencies Vivek Goyal
2019-05-16 0:21 ` Dan Williams
2019-05-16 10:07 ` Stefan Hajnoczi
2019-05-16 14:23 ` Vivek Goyal
2019-05-15 19:26 ` [PATCH v2 13/30] dax: Pass dax_dev to dax_writeback_mapping_range() Vivek Goyal
2019-05-15 19:26 ` [PATCH v2 14/30] virtio: Add get_shm_region method Vivek Goyal
2019-05-15 19:27 ` [PATCH v2 15/30] virtio: Implement get_shm_region for PCI transport Vivek Goyal
2019-05-15 19:27 ` [PATCH v2 16/30] virtio: Implement get_shm_region for MMIO transport Vivek Goyal
2019-05-15 19:27 ` [PATCH v2 17/30] fuse, dax: add fuse_conn->dax_dev field Vivek Goyal
2019-05-15 19:27 ` [PATCH v2 18/30] virtio_fs, dax: Set up virtio_fs dax_device Vivek Goyal
2019-07-17 17:27 ` Halil Pasic
2019-07-18 9:04 ` Cornelia Huck
2019-07-18 11:20 ` Halil Pasic
2019-07-18 14:47 ` Cornelia Huck
2019-07-18 13:15 ` Vivek Goyal
2019-07-18 14:30 ` Dan Williams
2019-07-22 10:51 ` Christian Borntraeger
2019-07-22 10:56 ` Dr. David Alan Gilbert
2019-07-22 11:20 ` Christian Borntraeger
2019-07-22 11:43 ` Cornelia Huck
2019-07-22 12:00 ` Christian Borntraeger
2019-07-22 12:08 ` David Hildenbrand
2019-07-29 13:20 ` Stefan Hajnoczi
2019-05-15 19:27 ` [PATCH v2 19/30] fuse: Keep a list of free dax memory ranges Vivek Goyal
2019-05-15 19:27 ` [PATCH v2 20/30] fuse: Introduce setupmapping/removemapping commands Vivek Goyal
2019-05-15 19:27 ` [PATCH v2 21/30] fuse, dax: Implement dax read/write operations Vivek Goyal
2019-05-15 19:27 ` [PATCH v2 22/30] fuse, dax: add DAX mmap support Vivek Goyal
2019-05-15 19:27 ` [PATCH v2 23/30] fuse: Define dax address space operations Vivek Goyal
2019-05-15 19:27 ` [PATCH v2 24/30] fuse, dax: Take ->i_mmap_sem lock during dax page fault Vivek Goyal
2019-05-15 19:27 ` [PATCH v2 25/30] fuse: Maintain a list of busy elements Vivek Goyal
2019-05-15 19:27 ` [PATCH v2 26/30] fuse: Add logic to free up a memory range Vivek Goyal
[not found] ` <CAN+Pk99SNKSf+GjSQUUWt_eu1fSjTy_ByUOEQUXHi8zNqXY1zA@mail.gmail.com>
2019-05-20 12:53 ` Vivek Goyal
2019-05-15 19:27 ` [PATCH v2 27/30] fuse: Release file in process context Vivek Goyal
2019-05-15 19:27 ` [PATCH v2 28/30] fuse: Reschedule dax free work if too many EAGAIN attempts Vivek Goyal
2019-05-15 19:27 ` [PATCH v2 29/30] fuse: Take inode lock for dax inode truncation Vivek Goyal
2019-05-15 19:27 ` [PATCH v2 30/30] virtio-fs: Do not provide abort interface in fusectl Vivek Goyal
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