From: Kent Overstreet <koverstreet@google.com> To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-aio@kvack.org Cc: akpm@linux-foundation.org, Kent Overstreet <koverstreet@google.com>, Zach Brown <zab@redhat.com>, Felipe Balbi <balbi@ti.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Mark Fasheh <mfasheh@suse.com>, Joel Becker <jlbec@evilplan.org>, Rusty Russell <rusty@rustcorp.com.au>, Jens Axboe <axboe@kernel.dk>, Asai Thambi S P <asamymuthupa@micron.com>, Selvan Mani <smani@micron.com>, Sam Bradshaw <sbradshaw@micron.com>, Jeff Moyer <jmoyer@redhat.com>, Al Viro <viro@zeniv.linux.org.uk>, Benjamin LaHaise <bcrl@kvack.org>, "Theodore Ts'o" <tytso@mit.edu> Subject: [PATCH 09/21] aio: Kill unneeded kiocb members Date: Mon, 13 May 2013 18:18:46 -0700 [thread overview] Message-ID: <1368494338-7069-10-git-send-email-koverstreet@google.com> (raw) In-Reply-To: <1368494338-7069-1-git-send-email-koverstreet@google.com> The old aio retry infrastucture needed to save the various arguments to to aio operations. But with the retry infrastructure gone, we can trim struct kiocb quite a bit. Signed-off-by: Kent Overstreet <koverstreet@google.com> Cc: Zach Brown <zab@redhat.com> Cc: Felipe Balbi <balbi@ti.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Jens Axboe <axboe@kernel.dk> Cc: Asai Thambi S P <asamymuthupa@micron.com> Cc: Selvan Mani <smani@micron.com> Cc: Sam Bradshaw <sbradshaw@micron.com> Cc: Jeff Moyer <jmoyer@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Benjamin LaHaise <bcrl@kvack.org> Cc: Theodore Ts'o <tytso@mit.edu> --- fs/aio.c | 69 +++++++++++++++++++++++++++++++---------------------- include/linux/aio.h | 11 ++------- 2 files changed, 42 insertions(+), 38 deletions(-) diff --git a/fs/aio.c b/fs/aio.c index 73ec062..280b014 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -637,8 +637,6 @@ static void kiocb_free(struct kiocb *req) eventfd_ctx_put(req->ki_eventfd); if (req->ki_dtor) req->ki_dtor(req); - if (req->ki_iovec != &req->ki_inline_vec) - kfree(req->ki_iovec); kmem_cache_free(kiocb_cachep, req); } @@ -968,24 +966,26 @@ SYSCALL_DEFINE1(io_destroy, aio_context_t, ctx) typedef ssize_t (aio_rw_op)(struct kiocb *, const struct iovec *, unsigned long, loff_t); -static ssize_t aio_setup_vectored_rw(int rw, struct kiocb *kiocb, bool compat) +static ssize_t aio_setup_vectored_rw(struct kiocb *kiocb, + int rw, char __user *buf, + unsigned long *nr_segs, + struct iovec **iovec, + bool compat) { ssize_t ret; - kiocb->ki_nr_segs = kiocb->ki_nbytes; + *nr_segs = kiocb->ki_nbytes; #ifdef CONFIG_COMPAT if (compat) ret = compat_rw_copy_check_uvector(rw, - (struct compat_iovec __user *)kiocb->ki_buf, - kiocb->ki_nr_segs, 1, &kiocb->ki_inline_vec, - &kiocb->ki_iovec); + (struct compat_iovec __user *)buf, + *nr_segs, 1, *iovec, iovec); else #endif ret = rw_copy_check_uvector(rw, - (struct iovec __user *)kiocb->ki_buf, - kiocb->ki_nr_segs, 1, &kiocb->ki_inline_vec, - &kiocb->ki_iovec); + (struct iovec __user *)buf, + *nr_segs, 1, *iovec, iovec); if (ret < 0) return ret; @@ -994,15 +994,17 @@ static ssize_t aio_setup_vectored_rw(int rw, struct kiocb *kiocb, bool compat) return 0; } -static ssize_t aio_setup_single_vector(int rw, struct kiocb *kiocb) +static ssize_t aio_setup_single_vector(struct kiocb *kiocb, + int rw, char __user *buf, + unsigned long *nr_segs, + struct iovec *iovec) { - if (unlikely(!access_ok(!rw, kiocb->ki_buf, kiocb->ki_nbytes))) + if (unlikely(!access_ok(!rw, buf, kiocb->ki_nbytes))) return -EFAULT; - kiocb->ki_iovec = &kiocb->ki_inline_vec; - kiocb->ki_iovec->iov_base = kiocb->ki_buf; - kiocb->ki_iovec->iov_len = kiocb->ki_nbytes; - kiocb->ki_nr_segs = 1; + iovec->iov_base = buf; + iovec->iov_len = kiocb->ki_nbytes; + *nr_segs = 1; return 0; } @@ -1011,15 +1013,18 @@ static ssize_t aio_setup_single_vector(int rw, struct kiocb *kiocb) * Performs the initial checks and aio retry method * setup for the kiocb at the time of io submission. */ -static ssize_t aio_run_iocb(struct kiocb *req, bool compat) +static ssize_t aio_run_iocb(struct kiocb *req, unsigned opcode, + char __user *buf, bool compat) { struct file *file = req->ki_filp; ssize_t ret; + unsigned long nr_segs; int rw; fmode_t mode; aio_rw_op *rw_op; + struct iovec inline_vec, *iovec = &inline_vec; - switch (req->ki_opcode) { + switch (opcode) { case IOCB_CMD_PREAD: case IOCB_CMD_PREADV: mode = FMODE_READ; @@ -1040,16 +1045,21 @@ rw_common: if (!rw_op) return -EINVAL; - ret = (req->ki_opcode == IOCB_CMD_PREADV || - req->ki_opcode == IOCB_CMD_PWRITEV) - ? aio_setup_vectored_rw(rw, req, compat) - : aio_setup_single_vector(rw, req); + ret = (opcode == IOCB_CMD_PREADV || + opcode == IOCB_CMD_PWRITEV) + ? aio_setup_vectored_rw(req, rw, buf, &nr_segs, + &iovec, compat) + : aio_setup_single_vector(req, rw, buf, &nr_segs, + iovec); if (ret) return ret; ret = rw_verify_area(rw, file, &req->ki_pos, req->ki_nbytes); - if (ret < 0) + if (ret < 0) { + if (iovec != &inline_vec) + kfree(iovec); return ret; + } req->ki_nbytes = ret; @@ -1063,8 +1073,7 @@ rw_common: if (rw == WRITE) file_start_write(file); - ret = rw_op(req, req->ki_iovec, - req->ki_nr_segs, req->ki_pos); + ret = rw_op(req, iovec, nr_segs, req->ki_pos); if (rw == WRITE) file_end_write(file); @@ -1089,6 +1098,9 @@ rw_common: return -EINVAL; } + if (iovec != &inline_vec) + kfree(iovec); + if (ret != -EIOCBQUEUED) { /* * There's no easy way to restart the syscall since other AIO's @@ -1160,12 +1172,11 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb, req->ki_obj.user = user_iocb; req->ki_user_data = iocb->aio_data; req->ki_pos = iocb->aio_offset; - - req->ki_buf = (char __user *)(unsigned long)iocb->aio_buf; req->ki_nbytes = iocb->aio_nbytes; - req->ki_opcode = iocb->aio_lio_opcode; - ret = aio_run_iocb(req, compat); + ret = aio_run_iocb(req, iocb->aio_lio_opcode, + (char __user *)(unsigned long)iocb->aio_buf, + compat); if (ret) goto out_put_req; diff --git a/include/linux/aio.h b/include/linux/aio.h index 7bb766e..b570472 100644 --- a/include/linux/aio.h +++ b/include/linux/aio.h @@ -36,6 +36,7 @@ struct kiocb { struct kioctx *ki_ctx; /* NULL for sync ops */ kiocb_cancel_fn *ki_cancel; void (*ki_dtor)(struct kiocb *); + void *private; union { void __user *user; @@ -44,15 +45,7 @@ struct kiocb { __u64 ki_user_data; /* user's data for completion */ loff_t ki_pos; - - void *private; - /* State that we remember to be able to restart/retry */ - unsigned short ki_opcode; - size_t ki_nbytes; /* copy of iocb->aio_nbytes */ - char __user *ki_buf; /* remaining iocb->aio_buf */ - struct iovec ki_inline_vec; /* inline vector */ - struct iovec *ki_iovec; - unsigned long ki_nr_segs; + size_t ki_nbytes; /* copy of iocb->aio_nbytes */ struct list_head ki_list; /* the aio core uses this * for cancellation */ -- 1.8.2.1
WARNING: multiple messages have this Message-ID (diff)
From: Kent Overstreet <koverstreet@google.com> To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-aio@kvack.org Cc: akpm@linux-foundation.org, Kent Overstreet <koverstreet@google.com>, Zach Brown <zab@redhat.com>, Felipe Balbi <balbi@ti.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Mark Fasheh <mfasheh@suse.com>, Joel Becker <jlbec@evilplan.org>, Rusty Russell <rusty@rustcorp.com.au>, Jens Axboe <axboe@kernel.dk>, Asai Thambi S P <asamymuthupa@micron.com>, Selvan Mani <smani@micron.com>, Sam Bradshaw <sbradshaw@micron.com>, Jeff Moyer <jmoyer@redhat.com>, Al Viro <viro@zeniv.linux.org.uk>, Benjamin LaHaise <bcrl@kvack.org>, Theodore Ts'o <tytso@mit.edu> Subject: [PATCH 09/21] aio: Kill unneeded kiocb members Date: Mon, 13 May 2013 18:18:46 -0700 [thread overview] Message-ID: <1368494338-7069-10-git-send-email-koverstreet@google.com> (raw) In-Reply-To: <1368494338-7069-1-git-send-email-koverstreet@google.com> The old aio retry infrastucture needed to save the various arguments to to aio operations. But with the retry infrastructure gone, we can trim struct kiocb quite a bit. Signed-off-by: Kent Overstreet <koverstreet@google.com> Cc: Zach Brown <zab@redhat.com> Cc: Felipe Balbi <balbi@ti.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Jens Axboe <axboe@kernel.dk> Cc: Asai Thambi S P <asamymuthupa@micron.com> Cc: Selvan Mani <smani@micron.com> Cc: Sam Bradshaw <sbradshaw@micron.com> Cc: Jeff Moyer <jmoyer@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Benjamin LaHaise <bcrl@kvack.org> Cc: Theodore Ts'o <tytso@mit.edu> --- fs/aio.c | 69 +++++++++++++++++++++++++++++++---------------------- include/linux/aio.h | 11 ++------- 2 files changed, 42 insertions(+), 38 deletions(-) diff --git a/fs/aio.c b/fs/aio.c index 73ec062..280b014 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -637,8 +637,6 @@ static void kiocb_free(struct kiocb *req) eventfd_ctx_put(req->ki_eventfd); if (req->ki_dtor) req->ki_dtor(req); - if (req->ki_iovec != &req->ki_inline_vec) - kfree(req->ki_iovec); kmem_cache_free(kiocb_cachep, req); } @@ -968,24 +966,26 @@ SYSCALL_DEFINE1(io_destroy, aio_context_t, ctx) typedef ssize_t (aio_rw_op)(struct kiocb *, const struct iovec *, unsigned long, loff_t); -static ssize_t aio_setup_vectored_rw(int rw, struct kiocb *kiocb, bool compat) +static ssize_t aio_setup_vectored_rw(struct kiocb *kiocb, + int rw, char __user *buf, + unsigned long *nr_segs, + struct iovec **iovec, + bool compat) { ssize_t ret; - kiocb->ki_nr_segs = kiocb->ki_nbytes; + *nr_segs = kiocb->ki_nbytes; #ifdef CONFIG_COMPAT if (compat) ret = compat_rw_copy_check_uvector(rw, - (struct compat_iovec __user *)kiocb->ki_buf, - kiocb->ki_nr_segs, 1, &kiocb->ki_inline_vec, - &kiocb->ki_iovec); + (struct compat_iovec __user *)buf, + *nr_segs, 1, *iovec, iovec); else #endif ret = rw_copy_check_uvector(rw, - (struct iovec __user *)kiocb->ki_buf, - kiocb->ki_nr_segs, 1, &kiocb->ki_inline_vec, - &kiocb->ki_iovec); + (struct iovec __user *)buf, + *nr_segs, 1, *iovec, iovec); if (ret < 0) return ret; @@ -994,15 +994,17 @@ static ssize_t aio_setup_vectored_rw(int rw, struct kiocb *kiocb, bool compat) return 0; } -static ssize_t aio_setup_single_vector(int rw, struct kiocb *kiocb) +static ssize_t aio_setup_single_vector(struct kiocb *kiocb, + int rw, char __user *buf, + unsigned long *nr_segs, + struct iovec *iovec) { - if (unlikely(!access_ok(!rw, kiocb->ki_buf, kiocb->ki_nbytes))) + if (unlikely(!access_ok(!rw, buf, kiocb->ki_nbytes))) return -EFAULT; - kiocb->ki_iovec = &kiocb->ki_inline_vec; - kiocb->ki_iovec->iov_base = kiocb->ki_buf; - kiocb->ki_iovec->iov_len = kiocb->ki_nbytes; - kiocb->ki_nr_segs = 1; + iovec->iov_base = buf; + iovec->iov_len = kiocb->ki_nbytes; + *nr_segs = 1; return 0; } @@ -1011,15 +1013,18 @@ static ssize_t aio_setup_single_vector(int rw, struct kiocb *kiocb) * Performs the initial checks and aio retry method * setup for the kiocb at the time of io submission. */ -static ssize_t aio_run_iocb(struct kiocb *req, bool compat) +static ssize_t aio_run_iocb(struct kiocb *req, unsigned opcode, + char __user *buf, bool compat) { struct file *file = req->ki_filp; ssize_t ret; + unsigned long nr_segs; int rw; fmode_t mode; aio_rw_op *rw_op; + struct iovec inline_vec, *iovec = &inline_vec; - switch (req->ki_opcode) { + switch (opcode) { case IOCB_CMD_PREAD: case IOCB_CMD_PREADV: mode = FMODE_READ; @@ -1040,16 +1045,21 @@ rw_common: if (!rw_op) return -EINVAL; - ret = (req->ki_opcode == IOCB_CMD_PREADV || - req->ki_opcode == IOCB_CMD_PWRITEV) - ? aio_setup_vectored_rw(rw, req, compat) - : aio_setup_single_vector(rw, req); + ret = (opcode == IOCB_CMD_PREADV || + opcode == IOCB_CMD_PWRITEV) + ? aio_setup_vectored_rw(req, rw, buf, &nr_segs, + &iovec, compat) + : aio_setup_single_vector(req, rw, buf, &nr_segs, + iovec); if (ret) return ret; ret = rw_verify_area(rw, file, &req->ki_pos, req->ki_nbytes); - if (ret < 0) + if (ret < 0) { + if (iovec != &inline_vec) + kfree(iovec); return ret; + } req->ki_nbytes = ret; @@ -1063,8 +1073,7 @@ rw_common: if (rw == WRITE) file_start_write(file); - ret = rw_op(req, req->ki_iovec, - req->ki_nr_segs, req->ki_pos); + ret = rw_op(req, iovec, nr_segs, req->ki_pos); if (rw == WRITE) file_end_write(file); @@ -1089,6 +1098,9 @@ rw_common: return -EINVAL; } + if (iovec != &inline_vec) + kfree(iovec); + if (ret != -EIOCBQUEUED) { /* * There's no easy way to restart the syscall since other AIO's @@ -1160,12 +1172,11 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb, req->ki_obj.user = user_iocb; req->ki_user_data = iocb->aio_data; req->ki_pos = iocb->aio_offset; - - req->ki_buf = (char __user *)(unsigned long)iocb->aio_buf; req->ki_nbytes = iocb->aio_nbytes; - req->ki_opcode = iocb->aio_lio_opcode; - ret = aio_run_iocb(req, compat); + ret = aio_run_iocb(req, iocb->aio_lio_opcode, + (char __user *)(unsigned long)iocb->aio_buf, + compat); if (ret) goto out_put_req; diff --git a/include/linux/aio.h b/include/linux/aio.h index 7bb766e..b570472 100644 --- a/include/linux/aio.h +++ b/include/linux/aio.h @@ -36,6 +36,7 @@ struct kiocb { struct kioctx *ki_ctx; /* NULL for sync ops */ kiocb_cancel_fn *ki_cancel; void (*ki_dtor)(struct kiocb *); + void *private; union { void __user *user; @@ -44,15 +45,7 @@ struct kiocb { __u64 ki_user_data; /* user's data for completion */ loff_t ki_pos; - - void *private; - /* State that we remember to be able to restart/retry */ - unsigned short ki_opcode; - size_t ki_nbytes; /* copy of iocb->aio_nbytes */ - char __user *ki_buf; /* remaining iocb->aio_buf */ - struct iovec ki_inline_vec; /* inline vector */ - struct iovec *ki_iovec; - unsigned long ki_nr_segs; + size_t ki_nbytes; /* copy of iocb->aio_nbytes */ struct list_head ki_list; /* the aio core uses this * for cancellation */ -- 1.8.2.1 -- To unsubscribe, send a message with 'unsubscribe linux-aio' in the body to majordomo@kvack.org. For more info on Linux AIO, see: http://www.kvack.org/aio/ Don't email: <a href=mailto:"aart@kvack.org">aart@kvack.org</a>
next prev parent reply other threads:[~2013-05-14 1:24 UTC|newest] Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-05-14 1:18 AIO refactoring/performance improvements/cancellation Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 01/21] aio: fix kioctx not being freed after cancellation at exit time Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 02/21] aio: reqs_active -> reqs_available Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 03/21] aio: percpu reqs_available Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 04/21] Generic percpu refcounting Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 13:51 ` Oleg Nesterov 2013-05-14 13:51 ` Oleg Nesterov 2013-05-15 8:21 ` Kent Overstreet 2013-05-15 8:21 ` Kent Overstreet 2013-05-14 14:59 ` Tejun Heo 2013-05-14 14:59 ` Tejun Heo 2013-05-14 15:28 ` Oleg Nesterov 2013-05-14 15:28 ` Oleg Nesterov 2013-05-15 9:00 ` Kent Overstreet 2013-05-15 9:00 ` Kent Overstreet 2013-05-15 8:58 ` Kent Overstreet 2013-05-15 8:58 ` Kent Overstreet 2013-05-15 17:37 ` Tejun Heo 2013-05-15 17:37 ` Tejun Heo 2013-05-28 23:47 ` Kent Overstreet 2013-05-28 23:47 ` Kent Overstreet 2013-05-29 1:11 ` Tejun Heo 2013-05-29 1:11 ` Tejun Heo 2013-05-29 4:59 ` Rusty Russell 2013-05-29 4:59 ` Rusty Russell 2013-05-31 20:12 ` Kent Overstreet 2013-05-31 20:12 ` Kent Overstreet 2013-05-14 21:59 ` Tejun Heo 2013-05-14 21:59 ` Tejun Heo 2013-05-14 22:15 ` Tejun Heo 2013-05-14 22:15 ` Tejun Heo 2013-05-15 9:07 ` Kent Overstreet 2013-05-15 9:07 ` Kent Overstreet 2013-05-15 17:56 ` Tejun Heo 2013-05-15 17:56 ` Tejun Heo 2013-05-16 0:26 ` Rusty Russell 2013-05-16 0:26 ` Rusty Russell 2013-05-14 1:18 ` [PATCH 05/21] aio: percpu ioctx refcount Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 06/21] aio: io_cancel() no longer returns the io_event Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 07/21] aio: Don't use ctx->tail unnecessarily Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 08/21] aio: Kill aio_rw_vect_retry() Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet [this message] 2013-05-14 1:18 ` [PATCH 09/21] aio: Kill unneeded kiocb members Kent Overstreet 2013-05-14 1:18 ` [PATCH 10/21] aio: Kill ki_users Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 11/21] aio: Kill ki_dtor Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 12/21] aio: convert the ioctx list to radix tree Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 13/21] block: prep work for batch completion Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 14/21] block, aio: batch completion for bios/kiocbs Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 15/21] virtio-blk: convert to batch completion Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 16/21] mtip32xx: " Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 17/21] Percpu tag allocator Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 13:48 ` Oleg Nesterov 2013-05-14 13:48 ` Oleg Nesterov 2013-05-14 14:24 ` Oleg Nesterov 2013-05-14 14:24 ` Oleg Nesterov 2013-05-15 9:34 ` Kent Overstreet 2013-05-15 9:34 ` Kent Overstreet 2013-05-15 9:25 ` Kent Overstreet 2013-05-15 9:25 ` Kent Overstreet 2013-05-15 15:41 ` Oleg Nesterov 2013-05-15 15:41 ` Oleg Nesterov 2013-05-15 16:10 ` Oleg Nesterov 2013-05-15 16:10 ` Oleg Nesterov 2013-06-10 23:20 ` Kent Overstreet 2013-06-10 23:20 ` Kent Overstreet 2013-06-11 17:42 ` Oleg Nesterov 2013-06-11 17:42 ` Oleg Nesterov 2013-05-14 15:03 ` Tejun Heo 2013-05-14 15:03 ` Tejun Heo 2013-05-15 20:19 ` Andi Kleen 2013-05-15 20:19 ` Andi Kleen 2013-05-14 1:18 ` [PATCH 18/21] aio: Allow cancellation without a cancel callback, new kiocb lookup Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 19/21] aio/usb: Update cancellation for new synchonization Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 20/21] direct-io: Set dio->io_error directly Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-14 1:18 ` [PATCH 21/21] block: Bio cancellation Kent Overstreet 2013-05-14 1:18 ` Kent Overstreet 2013-05-15 17:52 ` Jens Axboe 2013-05-15 17:52 ` Jens Axboe 2013-05-15 19:29 ` Kent Overstreet 2013-05-15 19:29 ` Kent Overstreet 2013-05-15 20:01 ` Jens Axboe 2013-05-15 20:01 ` Jens Axboe 2013-05-31 22:52 ` Kent Overstreet 2013-05-31 22:52 ` Kent Overstreet
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