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| author |   Jens Axboe <jens.axboe@oracle.com> | 2008-02-01 11:34:49 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-02-01 11:34:49 +0100 |
| commit | 3bc217ffe6774e7971d6a7ce6350ce806ebab044 (patch) | |
| tree | b1ccad14a0c23f12248092feb867d2e311db59f0 /include/linux/blkdev.h | |
| parent | as-iosched: fix inconsistent ioc->lock context (diff) | |
| download | linux-dev-3bc217ffe6774e7971d6a7ce6350ce806ebab044.tar.xz linux-dev-3bc217ffe6774e7971d6a7ce6350ce806ebab044.zip | |
block: kill swap_io_context()
It blindly copies everything in the io_context, including the lock.
That doesn't work so well for either lock ordering or lockdep.
There seems zero point in swapping io contexts on a request to request
merge, so the best point of action is to just remove it.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index cf170391c474..90392a9d7a9c 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -39,7 +39,6 @@ void exit_io_context(void); struct io_context *get_io_context(gfp_t gfp_flags, int node); struct io_context *alloc_io_context(gfp_t gfp_flags, int node); void copy_io_context(struct io_context **pdst, struct io_context **psrc); -void swap_io_context(struct io_context **ioc1, struct io_context **ioc2); struct request; typedef void (rq_end_io_fn)(struct request *, int); |