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block: make sure that REQ_* types are seen even with CONFIG_BLOCK=n 

These form the basis of the basic WRITE etc primitives, so we
need them to be always visible. Otherwise we see errors like:

	mm/filemap.c:2164: error: 'REQ_WRITE' undeclared
	fs/read_write.c:362: error: 'REQ_WRITE' undeclared
	fs/splice.c:1108: error: 'REQ_WRITE' undeclared
	fs/aio.c:1496: error: 'REQ_WRITE' undeclared

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Jens Axboe 2010-08-10 12:14:27 -04:00
parent a4cc14ec9f
commit de75d60d5e
1 changed files with 2 additions and 1 deletions
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3
include/linux/blk_types.h
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@ -108,6 +108,8 @@ struct bio {
#define BIO_POOL_MASK (1UL << BIO_POOL_OFFSET)
#define BIO_POOL_IDX(bio) ((bio)->bi_flags >> BIO_POOL_OFFSET)
#endif /* CONFIG_BLOCK */
/*
* Request flags. For use in the cmd_flags field of struct request, and in
* bi_rw of struct bio. Note that some flags are only valid in either one.
@ -189,5 +191,4 @@ enum rq_flag_bits {
#define REQ_IO_STAT (1 << __REQ_IO_STAT)
#define REQ_MIXED_MERGE (1 << __REQ_MIXED_MERGE)
#endif /* CONFIG_BLOCK */
#endif /* __LINUX_BLK_TYPES_H */