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author | Mike Marshall <hubcap@omnibond.com> | 2015-12-04 12:56:14 -0500 |
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committer | Mike Marshall <hubcap@omnibond.com> | 2015-12-04 12:56:14 -0500 |
commit | 575e946125f70c41c2042f10172842c5cab9a09a (patch) | |
tree | b90d02ee390b0289a8a66123b58e0f6354e7964c /fs/orangefs/orangefs-bufmap.h | |
parent | 8bb8aefd5afb54a25a002feb4ec70011812d06a0 (diff) | |
download | linux-575e946125f70c41c2042f10172842c5cab9a09a.tar.bz2 |
Orangefs: change pvfs2 filenames to orangefs
Also changed references within source files that referred to
header files whose names had changed.
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
Diffstat (limited to 'fs/orangefs/orangefs-bufmap.h')
-rw-r--r-- | fs/orangefs/orangefs-bufmap.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/fs/orangefs/orangefs-bufmap.h b/fs/orangefs/orangefs-bufmap.h new file mode 100644 index 000000000000..91d1755c231a --- /dev/null +++ b/fs/orangefs/orangefs-bufmap.h @@ -0,0 +1,62 @@ +/* + * (C) 2001 Clemson University and The University of Chicago + * + * See COPYING in top-level directory. + */ + +#ifndef __ORANGEFS_BUFMAP_H +#define __ORANGEFS_BUFMAP_H + +/* used to describe mapped buffers */ +struct orangefs_bufmap_desc { + void *uaddr; /* user space address pointer */ + struct page **page_array; /* array of mapped pages */ + int array_count; /* size of above arrays */ + struct list_head list_link; +}; + +struct orangefs_bufmap; + +struct orangefs_bufmap *orangefs_bufmap_ref(void); +void orangefs_bufmap_unref(struct orangefs_bufmap *bufmap); + +/* + * orangefs_bufmap_size_query is now an inline function because buffer + * sizes are not hardcoded + */ +int orangefs_bufmap_size_query(void); + +int orangefs_bufmap_shift_query(void); + +int orangefs_bufmap_initialize(struct ORANGEFS_dev_map_desc *user_desc); + +int get_bufmap_init(void); + +void orangefs_bufmap_finalize(void); + +int orangefs_bufmap_get(struct orangefs_bufmap **mapp, int *buffer_index); + +void orangefs_bufmap_put(struct orangefs_bufmap *bufmap, int buffer_index); + +int readdir_index_get(struct orangefs_bufmap **mapp, int *buffer_index); + +void readdir_index_put(struct orangefs_bufmap *bufmap, int buffer_index); + +int orangefs_bufmap_copy_from_iovec(struct orangefs_bufmap *bufmap, + struct iov_iter *iter, + int buffer_index, + size_t size); + +int orangefs_bufmap_copy_to_iovec(struct orangefs_bufmap *bufmap, + struct iov_iter *iter, + int buffer_index, + size_t size); + +size_t orangefs_bufmap_copy_to_user_task_iovec(struct task_struct *tsk, + struct iovec *iovec, + unsigned long nr_segs, + struct orangefs_bufmap *bufmap, + int buffer_index, + size_t bytes_to_be_copied); + +#endif /* __ORANGEFS_BUFMAP_H */ |