search for: iov_num_pages

...r; + + sector_t sector; + int write; + u16 head; + long len; + + u8 *status; +}; + +struct vhost_blk { + struct task_struct *host_kick; + struct vhost_blk_req *reqs; + struct vhost_virtqueue vq; + struct llist_head llhead; + struct vhost_dev dev; + u16 reqs_nr; + int index; +}; + +static inline int iov_num_pages(struct iovec *iov) +{ + return (PAGE_ALIGN((unsigned long)iov->iov_base + iov->iov_len) - + ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT; +} + +static int vhost_blk_setup(struct vhost_blk *blk) +{ + blk->reqs_nr = blk->vq.num; + + blk->reqs = kmalloc(...

...r; + + sector_t sector; + int write; + u16 head; + long len; + + u8 *status; +}; + +struct vhost_blk { + struct task_struct *host_kick; + struct vhost_blk_req *reqs; + struct vhost_virtqueue vq; + struct llist_head llhead; + struct vhost_dev dev; + u16 reqs_nr; + int index; +}; + +static inline int iov_num_pages(struct iovec *iov) +{ + return (PAGE_ALIGN((unsigned long)iov->iov_base + iov->iov_len) - + ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT; +} + +static int vhost_blk_setup(struct vhost_blk *blk) +{ + blk->reqs_nr = blk->vq.num; + + blk->reqs = kmalloc(...

...t;iov_len == 0) { + ++from; + continue; + } + size = min(from->iov_len, len); + to->iov_base = from->iov_base; + to->iov_len = size; + from->iov_len -= size; + from->iov_base += size; + len -= size; + ++from; + ++to; + ++seg; + } + return seg; +} + +static inline int iov_num_pages(struct iovec *iov) +{ + return (PAGE_ALIGN((unsigned long)iov->iov_base + iov->iov_len) - + ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT; +} + +static int vhost_blk_setup(struct vhost_blk *blk) +{ + blk->reqs_nr = blk->vq.num; + + blk->reqs = kmalloc(...

...t;iov_len == 0) { + ++from; + continue; + } + size = min(from->iov_len, len); + to->iov_base = from->iov_base; + to->iov_len = size; + from->iov_len -= size; + from->iov_base += size; + len -= size; + ++from; + ++to; + ++seg; + } + return seg; +} + +static inline int iov_num_pages(struct iovec *iov) +{ + return (PAGE_ALIGN((unsigned long)iov->iov_base + iov->iov_len) - + ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT; +} + +static int vhost_blk_setup(struct vhost_blk *blk) +{ + blk->reqs_nr = blk->vq.num; + + blk->reqs = kmalloc(...

...sector_t sector; + int write; + u16 head; + long len; + + u8 __user *status; +}; + +struct vhost_blk { + struct task_struct *host_kick; + struct vhost_blk_req *reqs; + struct vhost_virtqueue vq; + struct llist_head llhead; + struct vhost_dev dev; + u16 reqs_nr; + int index; +}; + +static inline int iov_num_pages(struct iovec *iov) +{ + return (PAGE_ALIGN((unsigned long)iov->iov_base + iov->iov_len) - + ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT; +} + +static int vhost_blk_setup(struct vhost_blk *blk) +{ + blk->reqs_nr = blk->vq.num; + + blk->reqs = kmalloc(...

...sector_t sector; + int write; + u16 head; + long len; + + u8 __user *status; +}; + +struct vhost_blk { + struct task_struct *host_kick; + struct vhost_blk_req *reqs; + struct vhost_virtqueue vq; + struct llist_head llhead; + struct vhost_dev dev; + u16 reqs_nr; + int index; +}; + +static inline int iov_num_pages(struct iovec *iov) +{ + return (PAGE_ALIGN((unsigned long)iov->iov_base + iov->iov_len) - + ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT; +} + +static int vhost_blk_setup(struct vhost_blk *blk) +{ + blk->reqs_nr = blk->vq.num; + + blk->reqs = kmalloc(...

...r; + + sector_t sector; + int write; + u16 head; + long len; + + u8 *status; +}; + +struct vhost_blk { + struct task_struct *host_kick; + struct vhost_blk_req *reqs; + struct vhost_virtqueue vq; + struct llist_head llhead; + struct vhost_dev dev; + u16 reqs_nr; + int index; +}; + +static inline int iov_num_pages(struct iovec *iov) +{ + return (PAGE_ALIGN((unsigned long)iov->iov_base + iov->iov_len) - + ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT; +} + +static int vhost_blk_setup(struct vhost_blk *blk) +{ + blk->reqs_nr = blk->vq.num; + + blk->reqs = kmalloc(...

...r; + + sector_t sector; + int write; + u16 head; + long len; + + u8 *status; +}; + +struct vhost_blk { + struct task_struct *host_kick; + struct vhost_blk_req *reqs; + struct vhost_virtqueue vq; + struct llist_head llhead; + struct vhost_dev dev; + u16 reqs_nr; + int index; +}; + +static inline int iov_num_pages(struct iovec *iov) +{ + return (PAGE_ALIGN((unsigned long)iov->iov_base + iov->iov_len) - + ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT; +} + +static int vhost_blk_setup(struct vhost_blk *blk) +{ + blk->reqs_nr = blk->vq.num; + + blk->reqs = kmalloc(...

...-ENOMEM; } -void vhost_net_vq_reset(struct vhost_net *n) +static void vhost_net_vq_reset(struct vhost_net *n) { int i; diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index de6d817..35ab0ce 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -216,7 +216,7 @@ static int iov_num_pages(struct iovec *iov) ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT; } -void tcm_vhost_done_inflight(struct kref *kref) +static void tcm_vhost_done_inflight(struct kref *kref) { struct vhost_scsi_inflight *inflight; -- 1.8.1.4

...-ENOMEM; } -void vhost_net_vq_reset(struct vhost_net *n) +static void vhost_net_vq_reset(struct vhost_net *n) { int i; diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index de6d817..35ab0ce 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -216,7 +216,7 @@ static int iov_num_pages(struct iovec *iov) ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT; } -void tcm_vhost_done_inflight(struct kref *kref) +static void tcm_vhost_done_inflight(struct kref *kref) { struct vhost_scsi_inflight *inflight; -- 1.8.1.4

...x vs_events_lock; /* protect vs_events_dropped,events_nr */ bool vs_events_dropped; /* any missed events */ int vs_events_nr; /* num of pending events */ + struct vhost_scsi_inflight *vs_inflight; }; /* Local pointer to allocated TCM configfs fabric module */ @@ -108,6 +114,51 @@ static int iov_num_pages(struct iovec *iov) ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT; } +static struct vhost_scsi_inflight *tcm_vhost_alloc_inflight(struct vhost_scsi *vs) +{ + struct vhost_scsi_inflight *inflight; + + inflight = kzalloc(sizeof(*inflight), GFP_KERNEL); + if (!infli...

...x vs_events_lock; /* protect vs_events_dropped,events_nr */ bool vs_events_dropped; /* any missed events */ int vs_events_nr; /* num of pending events */ + struct vhost_scsi_inflight *vs_inflight; }; /* Local pointer to allocated TCM configfs fabric module */ @@ -108,6 +114,51 @@ static int iov_num_pages(struct iovec *iov) ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT; } +static struct vhost_scsi_inflight *tcm_vhost_alloc_inflight(struct vhost_scsi *vs) +{ + struct vhost_scsi_inflight *inflight; + + inflight = kzalloc(sizeof(*inflight), GFP_KERNEL); + if (!infli...

...t;iov_len == 0) { + ++from; + continue; + } + size = min(from->iov_len, len); + to->iov_base = from->iov_base; + to->iov_len = size; + from->iov_len -= size; + from->iov_base += size; + len -= size; + ++from; + ++to; + ++seg; + } + return seg; +} + +static inline int iov_num_pages(struct iovec *iov) +{ + return (PAGE_ALIGN((unsigned long)iov->iov_base + iov->iov_len) - + ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT; +} + +static inline int vhost_blk_set_status(struct vhost_blk_req *req, u8 status) +{ + struct vhost_blk *blk = req->bl...

...t;iov_len == 0) { + ++from; + continue; + } + size = min(from->iov_len, len); + to->iov_base = from->iov_base; + to->iov_len = size; + from->iov_len -= size; + from->iov_base += size; + len -= size; + ++from; + ++to; + ++seg; + } + return seg; +} + +static inline int iov_num_pages(struct iovec *iov) +{ + return (PAGE_ALIGN((unsigned long)iov->iov_base + iov->iov_len) - + ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT; +} + +static inline int vhost_blk_set_status(struct vhost_blk_req *req, u8 status) +{ + struct vhost_blk *blk = req->bl...

From: Nicholas Bellinger <nab at linux-iscsi.org> Hi folks, This is an updated series for adding tag pre-allocation support of target fabric descriptor memory, utilizing Kent's latest in-flight per-cpu ida bits here: [PATCH v3] lib/idr.c rewrite, percpu ida/tag allocator http://marc.info/?l=linux-kernel&m=137308733526328&w=2 Patch #1 includes target-core setup of

From: Nicholas Bellinger <nab at linux-iscsi.org> Hi folks, This is an updated series for adding tag pre-allocation support of target fabric descriptor memory, utilizing Kent's latest in-flight per-cpu ida bits here: [PATCH v3] lib/idr.c rewrite, percpu ida/tag allocator http://marc.info/?l=linux-kernel&m=137308733526328&w=2 Patch #1 includes target-core setup of

Changes in v2: - Increase/Decrease inflight requests in vhost_scsi_{allocate,free}_cmd and tcm_vhost_{allocate,free}_evt Asias He (3): tcm_vhost: Wait for pending requests in vhost_scsi_flush() tcm_vhost: Wait for pending requests in vhost_scsi_clear_endpoint() tcm_vhost: Fix tv_cmd leak in vhost_scsi_handle_vq drivers/vhost/tcm_vhost.c | 131

Changes in v2: - Increase/Decrease inflight requests in vhost_scsi_{allocate,free}_cmd and tcm_vhost_{allocate,free}_evt Asias He (3): tcm_vhost: Wait for pending requests in vhost_scsi_flush() tcm_vhost: Wait for pending requests in vhost_scsi_clear_endpoint() tcm_vhost: Fix tv_cmd leak in vhost_scsi_handle_vq drivers/vhost/tcm_vhost.c | 131

Asias He (2): tcm_vhost: Introduce tcm_vhost_check_feature() tcm_vhost: Add hotplug/hotunplug support drivers/vhost/tcm_vhost.c | 224 ++++++++++++++++++++++++++++++++++++++++++++-- drivers/vhost/tcm_vhost.h | 10 +++ 2 files changed, 229 insertions(+), 5 deletions(-) -- 1.8.1.4

Asias He (2): tcm_vhost: Introduce tcm_vhost_check_feature() tcm_vhost: Add hotplug/hotunplug support drivers/vhost/tcm_vhost.c | 224 ++++++++++++++++++++++++++++++++++++++++++++-- drivers/vhost/tcm_vhost.h | 10 +++ 2 files changed, 229 insertions(+), 5 deletions(-) -- 1.8.1.4