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1357d06d49
it's always equal to __orangefs_bufmap and the latter can't change until we are done Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mike Marshall <hubcap@omnibond.com>
48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/*
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* (C) 2001 Clemson University and The University of Chicago
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*
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* See COPYING in top-level directory.
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*/
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#ifndef __ORANGEFS_BUFMAP_H
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#define __ORANGEFS_BUFMAP_H
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struct orangefs_bufmap;
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int orangefs_bufmap_size_query(void);
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int orangefs_bufmap_shift_query(void);
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int orangefs_bufmap_initialize(struct ORANGEFS_dev_map_desc *user_desc);
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int orangefs_get_bufmap_init(void);
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void orangefs_bufmap_finalize(void);
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int orangefs_bufmap_get(struct orangefs_bufmap **mapp, int *buffer_index);
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void orangefs_bufmap_put(int buffer_index);
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int orangefs_readdir_index_get(struct orangefs_bufmap **mapp, int *buffer_index);
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void orangefs_readdir_index_put(struct orangefs_bufmap *bufmap, int buffer_index);
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int orangefs_bufmap_copy_from_iovec(struct orangefs_bufmap *bufmap,
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struct iov_iter *iter,
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int buffer_index,
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size_t size);
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int orangefs_bufmap_copy_to_iovec(struct orangefs_bufmap *bufmap,
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struct iov_iter *iter,
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int buffer_index,
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size_t size);
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size_t orangefs_bufmap_copy_to_user_task_iovec(struct task_struct *tsk,
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struct iovec *iovec,
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unsigned long nr_segs,
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struct orangefs_bufmap *bufmap,
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int buffer_index,
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size_t bytes_to_be_copied);
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#endif /* __ORANGEFS_BUFMAP_H */
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