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Subject[PATCH 1/2] scsi: remove bogus use of struct execute_work in sg
execute_work usage in sg is bogus.  execute_in_process_context() is
never used and ew is used purely as wrapper around work_struct which
is superflous. Use work_struct directly.

Signed-off-by: Tejun Heo <tj@kernel.org>
---
drivers/scsi/sg.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)

Index: work/drivers/scsi/sg.c
===================================================================
--- work.orig/drivers/scsi/sg.c
+++ work/drivers/scsi/sg.c
@@ -137,7 +137,7 @@ typedef struct sg_request { /* SG_MAX_QU
volatile char done; /* 0->before bh, 1->before read, 2->read */
struct request *rq;
struct bio *bio;
- struct execute_work ew;
+ struct work_struct work;
} Sg_request;

typedef struct sg_fd { /* holds the state of a file descriptor */
@@ -160,7 +160,7 @@ typedef struct sg_fd { /* holds the sta
char keep_orphan; /* 0 -> drop orphan (def), 1 -> keep for read() */
char mmap_called; /* 0 -> mmap() never called on this fd */
struct kref f_ref;
- struct execute_work ew;
+ struct work_struct work;
} Sg_fd;

typedef struct sg_device { /* holds the state of each scsi generic device */
@@ -1246,7 +1246,7 @@ sg_mmap(struct file *filp, struct vm_are

static void sg_rq_end_io_usercontext(struct work_struct *work)
{
- struct sg_request *srp = container_of(work, struct sg_request, ew.work);
+ struct sg_request *srp = container_of(work, struct sg_request, work);
struct sg_fd *sfp = srp->parentfp;

sg_finish_rem_req(srp);
@@ -1333,8 +1333,8 @@ static void sg_rq_end_io(struct request
kill_fasync(&sfp->async_qp, SIGPOLL, POLL_IN);
kref_put(&sfp->f_ref, sg_remove_sfp);
} else {
- INIT_WORK(&srp->ew.work, sg_rq_end_io_usercontext);
- schedule_work(&srp->ew.work);
+ INIT_WORK(&srp->work, sg_rq_end_io_usercontext);
+ schedule_work(&srp->work);
}
}

@@ -2086,7 +2086,7 @@ sg_add_sfp(Sg_device * sdp, int dev)

static void sg_remove_sfp_usercontext(struct work_struct *work)
{
- struct sg_fd *sfp = container_of(work, struct sg_fd, ew.work);
+ struct sg_fd *sfp = container_of(work, struct sg_fd, work);
struct sg_device *sdp = sfp->parentdp;

/* Cleanup any responses which were never read(). */
@@ -2123,8 +2123,8 @@ static void sg_remove_sfp(struct kref *k
write_unlock_irqrestore(&sg_index_lock, iflags);
wake_up_interruptible(&sdp->o_excl_wait);

- INIT_WORK(&sfp->ew.work, sg_remove_sfp_usercontext);
- schedule_work(&sfp->ew.work);
+ INIT_WORK(&sfp->work, sg_remove_sfp_usercontext);
+ schedule_work(&sfp->work);
}

static int

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