mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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27496a8c67
- ->releasepage() annotated (s/int/gfp_t), instances updated - missing gfp_t in fs/* added - fixed misannotation from the original sweep caught by bitwise checks: XFS used __nocast both for gfp_t and for flags used by XFS allocator. The latter left with unsigned int __nocast; we might want to add a different type for those but for now let's leave them alone. That, BTW, is a case when __nocast use had been actively confusing - it had been used in the same code for two different and similar types, with no way to catch misuses. Switch of gfp_t to bitwise had caught that immediately... One tricky bit is left alone to be dealt with later - mapping->flags is a mix of gfp_t and error indications. Left alone for now. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/*
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File: linux/mbcache.h
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(C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
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*/
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/* Hardwire the number of additional indexes */
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#define MB_CACHE_INDEXES_COUNT 1
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struct mb_cache_entry {
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struct list_head e_lru_list;
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struct mb_cache *e_cache;
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unsigned short e_used;
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unsigned short e_queued;
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struct block_device *e_bdev;
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sector_t e_block;
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struct list_head e_block_list;
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struct {
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struct list_head o_list;
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unsigned int o_key;
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} e_indexes[0];
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};
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struct mb_cache_op {
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int (*free)(struct mb_cache_entry *, gfp_t);
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};
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/* Functions on caches */
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struct mb_cache * mb_cache_create(const char *, struct mb_cache_op *, size_t,
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int, int);
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void mb_cache_shrink(struct block_device *);
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void mb_cache_destroy(struct mb_cache *);
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/* Functions on cache entries */
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struct mb_cache_entry *mb_cache_entry_alloc(struct mb_cache *);
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int mb_cache_entry_insert(struct mb_cache_entry *, struct block_device *,
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sector_t, unsigned int[]);
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void mb_cache_entry_release(struct mb_cache_entry *);
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void mb_cache_entry_free(struct mb_cache_entry *);
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struct mb_cache_entry *mb_cache_entry_get(struct mb_cache *,
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struct block_device *,
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sector_t);
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#if !defined(MB_CACHE_INDEXES_COUNT) || (MB_CACHE_INDEXES_COUNT > 0)
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struct mb_cache_entry *mb_cache_entry_find_first(struct mb_cache *cache, int,
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struct block_device *,
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unsigned int);
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struct mb_cache_entry *mb_cache_entry_find_next(struct mb_cache_entry *, int,
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struct block_device *,
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unsigned int);
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#endif
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