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@@ -74,21 +74,22 @@ struct ceph_msg {
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struct ceph_msg_footer footer; /* footer */
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struct kvec front; /* unaligned blobs of message */
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struct ceph_buffer *middle;
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- struct page **pages; /* data payload. NOT OWNER. */
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- unsigned page_count; /* size of page array */
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- unsigned page_alignment; /* io offset in first page */
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- struct ceph_pagelist *pagelist; /* instead of pages */
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-
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- struct ceph_connection *con;
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- struct list_head list_head;
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- struct kref kref;
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+ struct page **pages; /* data payload. NOT OWNER. */
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+ unsigned int page_alignment; /* io offset in first page */
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+ unsigned int page_count; /* # pages in array or list */
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+ struct ceph_pagelist *pagelist; /* instead of pages */
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#ifdef CONFIG_BLOCK
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+ unsigned int bio_seg; /* current bio segment */
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struct bio *bio; /* instead of pages/pagelist */
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struct bio *bio_iter; /* bio iterator */
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- unsigned int bio_seg; /* current bio segment */
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#endif /* CONFIG_BLOCK */
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struct ceph_pagelist *trail; /* the trailing part of the data */
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+
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+ struct ceph_connection *con;
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+ struct list_head list_head; /* links for connection lists */
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+
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+ struct kref kref;
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bool front_is_vmalloc;
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bool more_to_follow;
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bool needs_out_seq;
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@@ -218,6 +219,9 @@ extern void ceph_msg_revoke_incoming(struct ceph_msg *msg);
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extern void ceph_con_keepalive(struct ceph_connection *con);
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+extern void ceph_msg_data_set_pages(struct ceph_msg *msg, struct page **pages,
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+ unsigned int page_count, size_t alignment);
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+
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extern struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags,
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bool can_fail);
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extern void ceph_msg_kfree(struct ceph_msg *m);
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