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Diffstat (limited to 'fs/fuse')
-rw-r--r--fs/fuse/file.c15
-rw-r--r--fs/fuse/fuse_i.h1
2 files changed, 9 insertions, 7 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index e2ffc499d106..d66789804287 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -46,7 +46,7 @@ struct fuse_file *fuse_file_alloc(struct fuse_conn *fc)
{
struct fuse_file *ff;
- ff = kmalloc(sizeof(struct fuse_file), GFP_KERNEL);
+ ff = kzalloc(sizeof(struct fuse_file), GFP_KERNEL);
if (unlikely(!ff))
return NULL;
@@ -609,7 +609,7 @@ static void fuse_aio_complete_req(struct fuse_conn *fc, struct fuse_req *req)
struct fuse_io_priv *io = req->io;
ssize_t pos = -1;
- fuse_release_user_pages(req, !io->write);
+ fuse_release_user_pages(req, io->should_dirty);
if (io->write) {
if (req->misc.write.in.size != req->misc.write.out.size)
@@ -1316,7 +1316,6 @@ ssize_t fuse_direct_io(struct fuse_io_priv *io, struct iov_iter *iter,
loff_t *ppos, int flags)
{
int write = flags & FUSE_DIO_WRITE;
- bool should_dirty = !write && iter_is_iovec(iter);
int cuse = flags & FUSE_DIO_CUSE;
struct file *file = io->file;
struct inode *inode = file->f_mapping->host;
@@ -1346,6 +1345,7 @@ ssize_t fuse_direct_io(struct fuse_io_priv *io, struct iov_iter *iter,
inode_unlock(inode);
}
+ io->should_dirty = !write && iter_is_iovec(iter);
while (count) {
size_t nres;
fl_owner_t owner = current->files;
@@ -1360,7 +1360,7 @@ ssize_t fuse_direct_io(struct fuse_io_priv *io, struct iov_iter *iter,
nres = fuse_send_read(req, io, pos, nbytes, owner);
if (!io->async)
- fuse_release_user_pages(req, should_dirty);
+ fuse_release_user_pages(req, io->should_dirty);
if (req->out.h.error) {
err = req->out.h.error;
break;
@@ -1669,6 +1669,7 @@ err_nofile:
err_free:
fuse_request_free(req);
err:
+ mapping_set_error(page->mapping, error);
end_page_writeback(page);
return error;
}
@@ -2101,11 +2102,11 @@ static int convert_fuse_file_lock(struct fuse_conn *fc,
fl->fl_end = ffl->end;
/*
- * Convert pid into the caller's pid namespace. If the pid
- * does not map into the namespace fl_pid will get set to 0.
+ * Convert pid into init's pid namespace. The locks API will
+ * translate it into the caller's pid namespace.
*/
rcu_read_lock();
- fl->fl_pid = pid_vnr(find_pid_ns(ffl->pid, fc->pid_ns));
+ fl->fl_pid = pid_nr_ns(find_pid_ns(ffl->pid, fc->pid_ns), &init_pid_ns);
rcu_read_unlock();
break;
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 1bd7ffdad593..bd4d2a3e1ec1 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -249,6 +249,7 @@ struct fuse_io_priv {
size_t size;
__u64 offset;
bool write;
+ bool should_dirty;
int err;
struct kiocb *iocb;
struct file *file;