diff options
author | Tejun Heo <tj@kernel.org> | 2009-01-31 14:36:00 +0900 |
---|---|---|
committer | Tejun Heo <tj@kernel.org> | 2009-01-31 14:36:00 +0900 |
commit | da2c0b021cde94866f1e492f940aad29e8f61258 (patch) | |
tree | 0455f3e221d6128ba1efb68135c3fbe2c2c8b390 /include | |
parent | 795f99b61d20c34cb04d17d8906b32f745a635ec (diff) | |
parent | 33bfad54b58cf05cfe6678c3ec9235d4bc8db4c2 (diff) |
Merge branch 'master' into tj-percpu
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/Kbuild | 1 | ||||
-rw-r--r-- | include/linux/bio.h | 45 | ||||
-rw-r--r-- | include/linux/blkdev.h | 8 | ||||
-rw-r--r-- | include/linux/jbd2.h | 3 | ||||
-rw-r--r-- | include/net/inet_hashtables.h | 2 |
5 files changed, 40 insertions, 19 deletions
diff --git a/include/linux/Kbuild b/include/linux/Kbuild index 12e9a2957caf..2124c063a7ef 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -41,6 +41,7 @@ header-y += baycom.h header-y += bfs_fs.h header-y += blkpg.h header-y += bpqether.h +header-y += bsg.h header-y += can.h header-y += cdk.h header-y += chio.h diff --git a/include/linux/bio.h b/include/linux/bio.h index 18462c5b8fff..0942765cf8c0 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -144,7 +144,7 @@ struct bio { * bit 1 -- rw-ahead when set * bit 2 -- barrier * Insert a serialization point in the IO queue, forcing previously - * submitted IO to be completed before this oen is issued. + * submitted IO to be completed before this one is issued. * bit 3 -- synchronous I/O hint: the block layer will unplug immediately * Note that this does NOT indicate that the IO itself is sync, just * that the block layer will not postpone issue of this IO by plugging. @@ -163,12 +163,33 @@ struct bio { #define BIO_RW 0 /* Must match RW in req flags (blkdev.h) */ #define BIO_RW_AHEAD 1 /* Must match FAILFAST in req flags */ #define BIO_RW_BARRIER 2 -#define BIO_RW_SYNC 3 -#define BIO_RW_META 4 -#define BIO_RW_DISCARD 5 -#define BIO_RW_FAILFAST_DEV 6 -#define BIO_RW_FAILFAST_TRANSPORT 7 -#define BIO_RW_FAILFAST_DRIVER 8 +#define BIO_RW_SYNCIO 3 +#define BIO_RW_UNPLUG 4 +#define BIO_RW_META 5 +#define BIO_RW_DISCARD 6 +#define BIO_RW_FAILFAST_DEV 7 +#define BIO_RW_FAILFAST_TRANSPORT 8 +#define BIO_RW_FAILFAST_DRIVER 9 + +#define BIO_RW_SYNC (BIO_RW_SYNCIO | BIO_RW_UNPLUG) + +#define bio_rw_flagged(bio, flag) ((bio)->bi_rw & (1 << (flag))) + +/* + * Old defines, these should eventually be replaced by direct usage of + * bio_rw_flagged() + */ +#define bio_barrier(bio) bio_rw_flagged(bio, BIO_RW_BARRIER) +#define bio_sync(bio) bio_rw_flagged(bio, BIO_RW_SYNCIO) +#define bio_unplug(bio) bio_rw_flagged(bio, BIO_RW_UNPLUG) +#define bio_failfast_dev(bio) bio_rw_flagged(bio, BIO_RW_FAILFAST_DEV) +#define bio_failfast_transport(bio) \ + bio_rw_flagged(bio, BIO_RW_FAILFAST_TRANSPORT) +#define bio_failfast_driver(bio) \ + bio_rw_flagged(bio, BIO_RW_FAILFAST_DRIVER) +#define bio_rw_ahead(bio) bio_rw_flagged(bio, BIO_RW_AHEAD) +#define bio_rw_meta(bio) bio_rw_flagged(bio, BIO_RW_META) +#define bio_discard(bio) bio_rw_flagged(bio, BIO_RW_DISCARD) /* * upper 16 bits of bi_rw define the io priority of this bio @@ -193,15 +214,6 @@ struct bio { #define bio_offset(bio) bio_iovec((bio))->bv_offset #define bio_segments(bio) ((bio)->bi_vcnt - (bio)->bi_idx) #define bio_sectors(bio) ((bio)->bi_size >> 9) -#define bio_barrier(bio) ((bio)->bi_rw & (1 << BIO_RW_BARRIER)) -#define bio_sync(bio) ((bio)->bi_rw & (1 << BIO_RW_SYNC)) -#define bio_failfast_dev(bio) ((bio)->bi_rw & (1 << BIO_RW_FAILFAST_DEV)) -#define bio_failfast_transport(bio) \ - ((bio)->bi_rw & (1 << BIO_RW_FAILFAST_TRANSPORT)) -#define bio_failfast_driver(bio) ((bio)->bi_rw & (1 << BIO_RW_FAILFAST_DRIVER)) -#define bio_rw_ahead(bio) ((bio)->bi_rw & (1 << BIO_RW_AHEAD)) -#define bio_rw_meta(bio) ((bio)->bi_rw & (1 << BIO_RW_META)) -#define bio_discard(bio) ((bio)->bi_rw & (1 << BIO_RW_DISCARD)) #define bio_empty_barrier(bio) (bio_barrier(bio) && !bio_has_data(bio) && !bio_discard(bio)) static inline unsigned int bio_cur_sectors(struct bio *bio) @@ -312,7 +324,6 @@ struct bio_integrity_payload { void *bip_buf; /* generated integrity data */ bio_end_io_t *bip_end_io; /* saved I/O completion fn */ - int bip_error; /* saved I/O error */ unsigned int bip_size; unsigned short bip_pool; /* pool the ivec came from */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 044467ef7b11..d08c4b8219a6 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -108,6 +108,7 @@ enum rq_flag_bits { __REQ_RW_META, /* metadata io request */ __REQ_COPY_USER, /* contains copies of user pages */ __REQ_INTEGRITY, /* integrity metadata has been remapped */ + __REQ_UNPLUG, /* unplug queue on submission */ __REQ_NR_BITS, /* stops here */ }; @@ -134,6 +135,7 @@ enum rq_flag_bits { #define REQ_RW_META (1 << __REQ_RW_META) #define REQ_COPY_USER (1 << __REQ_COPY_USER) #define REQ_INTEGRITY (1 << __REQ_INTEGRITY) +#define REQ_UNPLUG (1 << __REQ_UNPLUG) #define BLK_MAX_CDB 16 @@ -449,6 +451,11 @@ struct request_queue #define QUEUE_FLAG_STACKABLE 13 /* supports request stacking */ #define QUEUE_FLAG_NONROT 14 /* non-rotational device (SSD) */ #define QUEUE_FLAG_VIRT QUEUE_FLAG_NONROT /* paravirt device */ +#define QUEUE_FLAG_IO_STAT 15 /* do IO stats */ + +#define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ + (1 << QUEUE_FLAG_CLUSTER) | \ + 1 << QUEUE_FLAG_STACKABLE) static inline int queue_is_locked(struct request_queue *q) { @@ -565,6 +572,7 @@ enum { #define blk_queue_stopped(q) test_bit(QUEUE_FLAG_STOPPED, &(q)->queue_flags) #define blk_queue_nomerges(q) test_bit(QUEUE_FLAG_NOMERGES, &(q)->queue_flags) #define blk_queue_nonrot(q) test_bit(QUEUE_FLAG_NONROT, &(q)->queue_flags) +#define blk_queue_io_stat(q) test_bit(QUEUE_FLAG_IO_STAT, &(q)->queue_flags) #define blk_queue_flushing(q) ((q)->ordseq) #define blk_queue_stackable(q) \ test_bit(QUEUE_FLAG_STACKABLE, &(q)->queue_flags) diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index b45109c61fba..b28b37eb11c6 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -308,7 +308,8 @@ void buffer_assertion_failure(struct buffer_head *bh); int val = (expr); \ if (!val) { \ printk(KERN_ERR \ - "EXT3-fs unexpected failure: %s;\n",# expr); \ + "JBD2 unexpected failure: %s: %s;\n", \ + __func__, #expr); \ printk(KERN_ERR why "\n"); \ } \ val; \ diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h index f44bb5c77a70..d0a043153cc6 100644 --- a/include/net/inet_hashtables.h +++ b/include/net/inet_hashtables.h @@ -182,7 +182,7 @@ static inline int inet_ehash_locks_alloc(struct inet_hashinfo *hashinfo) size = 2048; if (nr_pcpus >= 32) size = 4096; - if (sizeof(rwlock_t) != 0) { + if (sizeof(spinlock_t) != 0) { #ifdef CONFIG_NUMA if (size * sizeof(spinlock_t) > PAGE_SIZE) hashinfo->ehash_locks = vmalloc(size * sizeof(spinlock_t)); |