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Subject[PATCH 3/6] FUSE: don't let fuse_req->end() put the base reference
Date
fuse_req->end() was supposed to be put the base reference but there's
no reason why it should. It only makes things more complex. Move it
out of ->end() and make it the responsibility of request_end().

Signed-off-by: Tejun Heo <tj@kernel.org>
---
fs/fuse/dev.c | 5 +----
fs/fuse/file.c | 4 +---
fs/fuse/inode.c | 1 -
3 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index b8f70a0..25a134a 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -296,8 +296,7 @@ static void request_end(struct fuse_conn *fc, struct fuse_req *req)
wake_up(&req->waitq);
if (end)
end(fc, req);
- else
- fuse_put_request(fc, req);
+ fuse_put_request(fc, req);
}

static void wait_answer_interruptible(struct fuse_conn *fc,
@@ -1052,8 +1051,6 @@ static void end_io_requests(struct fuse_conn *fc)
wake_up(&req->waitq);
if (end) {
req->end = NULL;
- /* The end function will consume this reference */
- __fuse_get_request(req);
spin_unlock(&fc->lock);
wait_event(req->waitq, !req->locked);
end(fc, req);
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 4d535ae..128356b 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -85,7 +85,6 @@ static void fuse_release_end(struct fuse_conn *fc, struct fuse_req *req)
{
dput(req->misc.release.dentry);
mntput(req->misc.release.vfsmount);
- fuse_put_request(fc, req);
}

static void fuse_file_put(struct fuse_file *ff)
@@ -506,7 +505,6 @@ static void fuse_readpages_end(struct fuse_conn *fc, struct fuse_req *req)
}
if (req->ff)
fuse_file_put(req->ff);
- fuse_put_request(fc, req);
}

static void fuse_send_readpages(struct fuse_req *req, struct file *file,
@@ -1056,7 +1054,6 @@ static void fuse_writepage_free(struct fuse_conn *fc, struct fuse_req *req)
{
__free_page(req->pages[0]);
fuse_file_put(req->ff);
- fuse_put_request(fc, req);
}

static void fuse_writepage_finish(struct fuse_conn *fc, struct fuse_req *req)
@@ -1100,6 +1097,7 @@ static void fuse_send_writepage(struct fuse_conn *fc, struct fuse_req *req)
fuse_writepage_finish(fc, req);
spin_unlock(&fc->lock);
fuse_writepage_free(fc, req);
+ fuse_put_request(fc, req);
spin_lock(&fc->lock);
}

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index eae4ff9..75f0770 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -781,7 +781,6 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
fc->max_write = max_t(unsigned, 4096, fc->max_write);
fc->conn_init = 1;
}
- fuse_put_request(fc, req);
fc->blocked = 0;
wake_up_all(&fc->blocked_waitq);
}
--
1.5.6


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