Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
libceph: Remove unused ceph_pagelist functions
ceph_pagelist_truncate() and ceph_pagelist_set_cursor() have been unused
since commit
39be95e9c8c0 ("ceph: ceph_pagelist_append might sleep while atomic")
Remove them.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
authored by
Dr. David Alan Gilbert
and committed by
Ilya Dryomov
03854920
adc21867
-50
-12
include/linux/ceph/pagelist.h
-12
include/linux/ceph/pagelist.h
···
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refcount_t refcnt;
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};
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struct ceph_pagelist_cursor {
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struct ceph_pagelist *pl; /* pagelist, for error checking */
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struct list_head *page_lru; /* page in list */
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size_t room; /* room remaining to reset to */
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};
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struct ceph_pagelist *ceph_pagelist_alloc(gfp_t gfp_flags);
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extern void ceph_pagelist_release(struct ceph_pagelist *pl);
···
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extern int ceph_pagelist_reserve(struct ceph_pagelist *pl, size_t space);
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extern int ceph_pagelist_free_reserve(struct ceph_pagelist *pl);
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-
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extern void ceph_pagelist_set_cursor(struct ceph_pagelist *pl,
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struct ceph_pagelist_cursor *c);
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extern int ceph_pagelist_truncate(struct ceph_pagelist *pl,
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struct ceph_pagelist_cursor *c);
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static inline int ceph_pagelist_encode_64(struct ceph_pagelist *pl, u64 v)
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{
-38
net/ceph/pagelist.c
-38
net/ceph/pagelist.c
···
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return 0;
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}
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EXPORT_SYMBOL(ceph_pagelist_free_reserve);
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/* Create a truncation point. */
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void ceph_pagelist_set_cursor(struct ceph_pagelist *pl,
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struct ceph_pagelist_cursor *c)
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{
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c->pl = pl;
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c->page_lru = pl->head.prev;
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c->room = pl->room;
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}
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EXPORT_SYMBOL(ceph_pagelist_set_cursor);
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/* Truncate a pagelist to the given point. Move extra pages to reserve.
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* This won't sleep.
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* Returns: 0 on success,
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* -EINVAL if the pagelist doesn't match the trunc point pagelist
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*/
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int ceph_pagelist_truncate(struct ceph_pagelist *pl,
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struct ceph_pagelist_cursor *c)
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{
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struct page *page;
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if (pl != c->pl)
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return -EINVAL;
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ceph_pagelist_unmap_tail(pl);
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while (pl->head.prev != c->page_lru) {
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page = list_entry(pl->head.prev, struct page, lru);
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/* move from pagelist to reserve */
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list_move_tail(&page->lru, &pl->free_list);
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++pl->num_pages_free;
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}
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pl->room = c->room;
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if (!list_empty(&pl->head)) {
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page = list_entry(pl->head.prev, struct page, lru);
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pl->mapped_tail = kmap(page);
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}
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return 0;
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}
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EXPORT_SYMBOL(ceph_pagelist_truncate);