Commit 989e0aac authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz Committed by Tejun Heo

ata: pass queued command to ->sff_data_xfer method

For Atari Falcon PATA support we need to check the current command
in its ->sff_data_xfer method.  Update core code and all users
accordingly.

There should be no functional changes caused by this patch.
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 7563f625
...@@ -542,7 +542,7 @@ static inline void ata_tf_to_host(struct ata_port *ap, ...@@ -542,7 +542,7 @@ static inline void ata_tf_to_host(struct ata_port *ap,
/** /**
* ata_sff_data_xfer - Transfer data by PIO * ata_sff_data_xfer - Transfer data by PIO
* @dev: device to target * @qc: queued command
* @buf: data buffer * @buf: data buffer
* @buflen: buffer length * @buflen: buffer length
* @rw: read/write * @rw: read/write
...@@ -555,10 +555,10 @@ static inline void ata_tf_to_host(struct ata_port *ap, ...@@ -555,10 +555,10 @@ static inline void ata_tf_to_host(struct ata_port *ap,
* RETURNS: * RETURNS:
* Bytes consumed. * Bytes consumed.
*/ */
unsigned int ata_sff_data_xfer(struct ata_device *dev, unsigned char *buf, unsigned int ata_sff_data_xfer(struct ata_queued_cmd *qc, unsigned char *buf,
unsigned int buflen, int rw) unsigned int buflen, int rw)
{ {
struct ata_port *ap = dev->link->ap; struct ata_port *ap = qc->dev->link->ap;
void __iomem *data_addr = ap->ioaddr.data_addr; void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned int words = buflen >> 1; unsigned int words = buflen >> 1;
...@@ -595,7 +595,7 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer); ...@@ -595,7 +595,7 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer);
/** /**
* ata_sff_data_xfer32 - Transfer data by PIO * ata_sff_data_xfer32 - Transfer data by PIO
* @dev: device to target * @qc: queued command
* @buf: data buffer * @buf: data buffer
* @buflen: buffer length * @buflen: buffer length
* @rw: read/write * @rw: read/write
...@@ -610,16 +610,17 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer); ...@@ -610,16 +610,17 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer);
* Bytes consumed. * Bytes consumed.
*/ */
unsigned int ata_sff_data_xfer32(struct ata_device *dev, unsigned char *buf, unsigned int ata_sff_data_xfer32(struct ata_queued_cmd *qc, unsigned char *buf,
unsigned int buflen, int rw) unsigned int buflen, int rw)
{ {
struct ata_device *dev = qc->dev;
struct ata_port *ap = dev->link->ap; struct ata_port *ap = dev->link->ap;
void __iomem *data_addr = ap->ioaddr.data_addr; void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned int words = buflen >> 2; unsigned int words = buflen >> 2;
int slop = buflen & 3; int slop = buflen & 3;
if (!(ap->pflags & ATA_PFLAG_PIO32)) if (!(ap->pflags & ATA_PFLAG_PIO32))
return ata_sff_data_xfer(dev, buf, buflen, rw); return ata_sff_data_xfer(qc, buf, buflen, rw);
/* Transfer multiple of 4 bytes */ /* Transfer multiple of 4 bytes */
if (rw == READ) if (rw == READ)
...@@ -658,7 +659,7 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer32); ...@@ -658,7 +659,7 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer32);
/** /**
* ata_sff_data_xfer_noirq - Transfer data by PIO * ata_sff_data_xfer_noirq - Transfer data by PIO
* @dev: device to target * @qc: queued command
* @buf: data buffer * @buf: data buffer
* @buflen: buffer length * @buflen: buffer length
* @rw: read/write * @rw: read/write
...@@ -672,14 +673,14 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer32); ...@@ -672,14 +673,14 @@ EXPORT_SYMBOL_GPL(ata_sff_data_xfer32);
* RETURNS: * RETURNS:
* Bytes consumed. * Bytes consumed.
*/ */
unsigned int ata_sff_data_xfer_noirq(struct ata_device *dev, unsigned char *buf, unsigned int ata_sff_data_xfer_noirq(struct ata_queued_cmd *qc, unsigned char *buf,
unsigned int buflen, int rw) unsigned int buflen, int rw)
{ {
unsigned long flags; unsigned long flags;
unsigned int consumed; unsigned int consumed;
local_irq_save(flags); local_irq_save(flags);
consumed = ata_sff_data_xfer32(dev, buf, buflen, rw); consumed = ata_sff_data_xfer32(qc, buf, buflen, rw);
local_irq_restore(flags); local_irq_restore(flags);
return consumed; return consumed;
...@@ -723,14 +724,14 @@ static void ata_pio_sector(struct ata_queued_cmd *qc) ...@@ -723,14 +724,14 @@ static void ata_pio_sector(struct ata_queued_cmd *qc)
buf = kmap_atomic(page); buf = kmap_atomic(page);
/* do the actual data transfer */ /* do the actual data transfer */
ap->ops->sff_data_xfer(qc->dev, buf + offset, qc->sect_size, ap->ops->sff_data_xfer(qc, buf + offset, qc->sect_size,
do_write); do_write);
kunmap_atomic(buf); kunmap_atomic(buf);
local_irq_restore(flags); local_irq_restore(flags);
} else { } else {
buf = page_address(page); buf = page_address(page);
ap->ops->sff_data_xfer(qc->dev, buf + offset, qc->sect_size, ap->ops->sff_data_xfer(qc, buf + offset, qc->sect_size,
do_write); do_write);
} }
...@@ -791,7 +792,7 @@ static void atapi_send_cdb(struct ata_port *ap, struct ata_queued_cmd *qc) ...@@ -791,7 +792,7 @@ static void atapi_send_cdb(struct ata_port *ap, struct ata_queued_cmd *qc)
DPRINTK("send cdb\n"); DPRINTK("send cdb\n");
WARN_ON_ONCE(qc->dev->cdb_len < 12); WARN_ON_ONCE(qc->dev->cdb_len < 12);
ap->ops->sff_data_xfer(qc->dev, qc->cdb, qc->dev->cdb_len, 1); ap->ops->sff_data_xfer(qc, qc->cdb, qc->dev->cdb_len, 1);
ata_sff_sync(ap); ata_sff_sync(ap);
/* FIXME: If the CDB is for DMA do we need to do the transition delay /* FIXME: If the CDB is for DMA do we need to do the transition delay
or is bmdma_start guaranteed to do it ? */ or is bmdma_start guaranteed to do it ? */
...@@ -868,14 +869,14 @@ static int __atapi_pio_bytes(struct ata_queued_cmd *qc, unsigned int bytes) ...@@ -868,14 +869,14 @@ static int __atapi_pio_bytes(struct ata_queued_cmd *qc, unsigned int bytes)
buf = kmap_atomic(page); buf = kmap_atomic(page);
/* do the actual data transfer */ /* do the actual data transfer */
consumed = ap->ops->sff_data_xfer(dev, buf + offset, consumed = ap->ops->sff_data_xfer(qc, buf + offset,
count, rw); count, rw);
kunmap_atomic(buf); kunmap_atomic(buf);
local_irq_restore(flags); local_irq_restore(flags);
} else { } else {
buf = page_address(page); buf = page_address(page);
consumed = ap->ops->sff_data_xfer(dev, buf + offset, consumed = ap->ops->sff_data_xfer(qc, buf + offset,
count, rw); count, rw);
} }
......
...@@ -286,10 +286,10 @@ static void pata_at91_set_piomode(struct ata_port *ap, struct ata_device *adev) ...@@ -286,10 +286,10 @@ static void pata_at91_set_piomode(struct ata_port *ap, struct ata_device *adev)
set_smc_timing(ap->dev, adev, info, &timing); set_smc_timing(ap->dev, adev, info, &timing);
} }
static unsigned int pata_at91_data_xfer_noirq(struct ata_device *dev, static unsigned int pata_at91_data_xfer_noirq(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw) unsigned char *buf, unsigned int buflen, int rw)
{ {
struct at91_ide_info *info = dev->link->ap->host->private_data; struct at91_ide_info *info = qc->dev->link->ap->host->private_data;
unsigned int consumed; unsigned int consumed;
unsigned int mode; unsigned int mode;
unsigned long flags; unsigned long flags;
...@@ -301,7 +301,7 @@ static unsigned int pata_at91_data_xfer_noirq(struct ata_device *dev, ...@@ -301,7 +301,7 @@ static unsigned int pata_at91_data_xfer_noirq(struct ata_device *dev,
regmap_fields_write(fields.mode, info->cs, (mode & ~AT91_SMC_DBW) | regmap_fields_write(fields.mode, info->cs, (mode & ~AT91_SMC_DBW) |
AT91_SMC_DBW_16); AT91_SMC_DBW_16);
consumed = ata_sff_data_xfer(dev, buf, buflen, rw); consumed = ata_sff_data_xfer(qc, buf, buflen, rw);
/* restore 8bit mode after data is written */ /* restore 8bit mode after data is written */
regmap_fields_write(fields.mode, info->cs, (mode & ~AT91_SMC_DBW) | regmap_fields_write(fields.mode, info->cs, (mode & ~AT91_SMC_DBW) |
......
...@@ -1143,7 +1143,7 @@ static unsigned char bfin_bmdma_status(struct ata_port *ap) ...@@ -1143,7 +1143,7 @@ static unsigned char bfin_bmdma_status(struct ata_port *ap)
/** /**
* bfin_data_xfer - Transfer data by PIO * bfin_data_xfer - Transfer data by PIO
* @adev: device for this I/O * @qc: queued command
* @buf: data buffer * @buf: data buffer
* @buflen: buffer length * @buflen: buffer length
* @write_data: read/write * @write_data: read/write
...@@ -1151,10 +1151,11 @@ static unsigned char bfin_bmdma_status(struct ata_port *ap) ...@@ -1151,10 +1151,11 @@ static unsigned char bfin_bmdma_status(struct ata_port *ap)
* Note: Original code is ata_sff_data_xfer(). * Note: Original code is ata_sff_data_xfer().
*/ */
static unsigned int bfin_data_xfer(struct ata_device *dev, unsigned char *buf, static unsigned int bfin_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf,
unsigned int buflen, int rw) unsigned int buflen, int rw)
{ {
struct ata_port *ap = dev->link->ap; struct ata_port *ap = qc->dev->link->ap;
void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr; void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr;
unsigned int words = buflen >> 1; unsigned int words = buflen >> 1;
unsigned short *buf16 = (u16 *)buf; unsigned short *buf16 = (u16 *)buf;
......
...@@ -474,11 +474,11 @@ static void ep93xx_pata_set_devctl(struct ata_port *ap, u8 ctl) ...@@ -474,11 +474,11 @@ static void ep93xx_pata_set_devctl(struct ata_port *ap, u8 ctl)
} }
/* Note: original code is ata_sff_data_xfer */ /* Note: original code is ata_sff_data_xfer */
static unsigned int ep93xx_pata_data_xfer(struct ata_device *adev, static unsigned int ep93xx_pata_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned char *buf,
unsigned int buflen, int rw) unsigned int buflen, int rw)
{ {
struct ata_port *ap = adev->link->ap; struct ata_port *ap = qc->dev->link->ap;
struct ep93xx_pata_data *drv_data = ap->host->private_data; struct ep93xx_pata_data *drv_data = ap->host->private_data;
u16 *data = (u16 *)buf; u16 *data = (u16 *)buf;
unsigned int words = buflen >> 1; unsigned int words = buflen >> 1;
......
...@@ -40,13 +40,13 @@ static int ixp4xx_set_mode(struct ata_link *link, struct ata_device **error) ...@@ -40,13 +40,13 @@ static int ixp4xx_set_mode(struct ata_link *link, struct ata_device **error)
return 0; return 0;
} }
static unsigned int ixp4xx_mmio_data_xfer(struct ata_device *dev, static unsigned int ixp4xx_mmio_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw) unsigned char *buf, unsigned int buflen, int rw)
{ {
unsigned int i; unsigned int i;
unsigned int words = buflen >> 1; unsigned int words = buflen >> 1;
u16 *buf16 = (u16 *) buf; u16 *buf16 = (u16 *) buf;
struct ata_port *ap = dev->link->ap; struct ata_port *ap = qc->dev->link->ap;
void __iomem *mmio = ap->ioaddr.data_addr; void __iomem *mmio = ap->ioaddr.data_addr;
struct ixp4xx_pata_data *data = dev_get_platdata(ap->host->dev); struct ixp4xx_pata_data *data = dev_get_platdata(ap->host->dev);
......
...@@ -303,11 +303,12 @@ static void pdc20230_set_piomode(struct ata_port *ap, struct ata_device *adev) ...@@ -303,11 +303,12 @@ static void pdc20230_set_piomode(struct ata_port *ap, struct ata_device *adev)
} }
static unsigned int pdc_data_xfer_vlb(struct ata_device *dev, static unsigned int pdc_data_xfer_vlb(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw) unsigned char *buf, unsigned int buflen, int rw)
{ {
int slop = buflen & 3; struct ata_device *dev = qc->dev;
struct ata_port *ap = dev->link->ap; struct ata_port *ap = dev->link->ap;
int slop = buflen & 3;
/* 32bit I/O capable *and* we need to write a whole number of dwords */ /* 32bit I/O capable *and* we need to write a whole number of dwords */
if (ata_id_has_dword_io(dev->id) && (slop == 0 || slop == 3) if (ata_id_has_dword_io(dev->id) && (slop == 0 || slop == 3)
...@@ -340,7 +341,7 @@ static unsigned int pdc_data_xfer_vlb(struct ata_device *dev, ...@@ -340,7 +341,7 @@ static unsigned int pdc_data_xfer_vlb(struct ata_device *dev,
} }
local_irq_restore(flags); local_irq_restore(flags);
} else } else
buflen = ata_sff_data_xfer_noirq(dev, buf, buflen, rw); buflen = ata_sff_data_xfer_noirq(qc, buf, buflen, rw);
return buflen; return buflen;
} }
...@@ -702,9 +703,11 @@ static unsigned int qdi_qc_issue(struct ata_queued_cmd *qc) ...@@ -702,9 +703,11 @@ static unsigned int qdi_qc_issue(struct ata_queued_cmd *qc)
return ata_sff_qc_issue(qc); return ata_sff_qc_issue(qc);
} }
static unsigned int vlb32_data_xfer(struct ata_device *adev, unsigned char *buf, static unsigned int vlb32_data_xfer(struct ata_queued_cmd *qc,
unsigned int buflen, int rw) unsigned char *buf,
unsigned int buflen, int rw)
{ {
struct ata_device *adev = qc->dev;
struct ata_port *ap = adev->link->ap; struct ata_port *ap = adev->link->ap;
int slop = buflen & 3; int slop = buflen & 3;
...@@ -727,7 +730,7 @@ static unsigned int vlb32_data_xfer(struct ata_device *adev, unsigned char *buf, ...@@ -727,7 +730,7 @@ static unsigned int vlb32_data_xfer(struct ata_device *adev, unsigned char *buf,
} }
return (buflen + 3) & ~3; return (buflen + 3) & ~3;
} else } else
return ata_sff_data_xfer(adev, buf, buflen, rw); return ata_sff_data_xfer(qc, buf, buflen, rw);
} }
static int qdi_port(struct platform_device *dev, static int qdi_port(struct platform_device *dev,
......
...@@ -293,17 +293,17 @@ static void octeon_cf_set_dmamode(struct ata_port *ap, struct ata_device *dev) ...@@ -293,17 +293,17 @@ static void octeon_cf_set_dmamode(struct ata_port *ap, struct ata_device *dev)
/** /**
* Handle an 8 bit I/O request. * Handle an 8 bit I/O request.
* *
* @dev: Device to access * @qc: Queued command
* @buffer: Data buffer * @buffer: Data buffer
* @buflen: Length of the buffer. * @buflen: Length of the buffer.
* @rw: True to write. * @rw: True to write.
*/ */
static unsigned int octeon_cf_data_xfer8(struct ata_device *dev, static unsigned int octeon_cf_data_xfer8(struct ata_queued_cmd *qc,
unsigned char *buffer, unsigned char *buffer,
unsigned int buflen, unsigned int buflen,
int rw) int rw)
{ {
struct ata_port *ap = dev->link->ap; struct ata_port *ap = qc->dev->link->ap;
void __iomem *data_addr = ap->ioaddr.data_addr; void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned long words; unsigned long words;
int count; int count;
...@@ -332,17 +332,17 @@ static unsigned int octeon_cf_data_xfer8(struct ata_device *dev, ...@@ -332,17 +332,17 @@ static unsigned int octeon_cf_data_xfer8(struct ata_device *dev,
/** /**
* Handle a 16 bit I/O request. * Handle a 16 bit I/O request.
* *
* @dev: Device to access * @qc: Queued command
* @buffer: Data buffer * @buffer: Data buffer
* @buflen: Length of the buffer. * @buflen: Length of the buffer.
* @rw: True to write. * @rw: True to write.
*/ */
static unsigned int octeon_cf_data_xfer16(struct ata_device *dev, static unsigned int octeon_cf_data_xfer16(struct ata_queued_cmd *qc,
unsigned char *buffer, unsigned char *buffer,
unsigned int buflen, unsigned int buflen,
int rw) int rw)
{ {
struct ata_port *ap = dev->link->ap; struct ata_port *ap = qc->dev->link->ap;
void __iomem *data_addr = ap->ioaddr.data_addr; void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned long words; unsigned long words;
int count; int count;
......
...@@ -90,7 +90,7 @@ static int pcmcia_set_mode_8bit(struct ata_link *link, ...@@ -90,7 +90,7 @@ static int pcmcia_set_mode_8bit(struct ata_link *link,
/** /**
* ata_data_xfer_8bit - Transfer data by 8bit PIO * ata_data_xfer_8bit - Transfer data by 8bit PIO
* @dev: device to target * @qc: queued command
* @buf: data buffer * @buf: data buffer
* @buflen: buffer length * @buflen: buffer length
* @rw: read/write * @rw: read/write
...@@ -101,10 +101,10 @@ static int pcmcia_set_mode_8bit(struct ata_link *link, ...@@ -101,10 +101,10 @@ static int pcmcia_set_mode_8bit(struct ata_link *link,
* Inherited from caller. * Inherited from caller.
*/ */
static unsigned int ata_data_xfer_8bit(struct ata_device *dev, static unsigned int ata_data_xfer_8bit(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw) unsigned char *buf, unsigned int buflen, int rw)
{ {
struct ata_port *ap = dev->link->ap; struct ata_port *ap = qc->dev->link->ap;
if (rw == READ) if (rw == READ)
ioread8_rep(ap->ioaddr.data_addr, buf, buflen); ioread8_rep(ap->ioaddr.data_addr, buf, buflen);
......
...@@ -263,10 +263,10 @@ static u8 pata_s3c_check_altstatus(struct ata_port *ap) ...@@ -263,10 +263,10 @@ static u8 pata_s3c_check_altstatus(struct ata_port *ap)
/* /*
* pata_s3c_data_xfer - Transfer data by PIO * pata_s3c_data_xfer - Transfer data by PIO
*/ */
static unsigned int pata_s3c_data_xfer(struct ata_device *dev, static unsigned int pata_s3c_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw) unsigned char *buf, unsigned int buflen, int rw)
{ {
struct ata_port *ap = dev->link->ap; struct ata_port *ap = qc->dev->link->ap;
struct s3c_ide_info *info = ap->host->private_data; struct s3c_ide_info *info = ap->host->private_data;
void __iomem *data_addr = ap->ioaddr.data_addr; void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned int words = buflen >> 1, i; unsigned int words = buflen >> 1, i;
......
...@@ -447,11 +447,11 @@ static void sata_rcar_exec_command(struct ata_port *ap, ...@@ -447,11 +447,11 @@ static void sata_rcar_exec_command(struct ata_port *ap,
ata_sff_pause(ap); ata_sff_pause(ap);
} }
static unsigned int sata_rcar_data_xfer(struct ata_device *dev, static unsigned int sata_rcar_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned char *buf,
unsigned int buflen, int rw) unsigned int buflen, int rw)
{ {
struct ata_port *ap = dev->link->ap; struct ata_port *ap = qc->dev->link->ap;
void __iomem *data_addr = ap->ioaddr.data_addr; void __iomem *data_addr = ap->ioaddr.data_addr;
unsigned int words = buflen >> 1; unsigned int words = buflen >> 1;
......
...@@ -968,7 +968,7 @@ struct ata_port_operations { ...@@ -968,7 +968,7 @@ struct ata_port_operations {
void (*sff_tf_read)(struct ata_port *ap, struct ata_taskfile *tf); void (*sff_tf_read)(struct ata_port *ap, struct ata_taskfile *tf);
void (*sff_exec_command)(struct ata_port *ap, void (*sff_exec_command)(struct ata_port *ap,
const struct ata_taskfile *tf); const struct ata_taskfile *tf);
unsigned int (*sff_data_xfer)(struct ata_device *dev, unsigned int (*sff_data_xfer)(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw); unsigned char *buf, unsigned int buflen, int rw);
void (*sff_irq_on)(struct ata_port *); void (*sff_irq_on)(struct ata_port *);
bool (*sff_irq_check)(struct ata_port *); bool (*sff_irq_check)(struct ata_port *);
...@@ -1823,11 +1823,11 @@ extern void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf); ...@@ -1823,11 +1823,11 @@ extern void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf);
extern void ata_sff_tf_read(struct ata_port *ap, struct ata_taskfile *tf); extern void ata_sff_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
extern void ata_sff_exec_command(struct ata_port *ap, extern void ata_sff_exec_command(struct ata_port *ap,
const struct ata_taskfile *tf); const struct ata_taskfile *tf);
extern unsigned int ata_sff_data_xfer(struct ata_device *dev, extern unsigned int ata_sff_data_xfer(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw); unsigned char *buf, unsigned int buflen, int rw);
extern unsigned int ata_sff_data_xfer32(struct ata_device *dev, extern unsigned int ata_sff_data_xfer32(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw); unsigned char *buf, unsigned int buflen, int rw);
extern unsigned int ata_sff_data_xfer_noirq(struct ata_device *dev, extern unsigned int ata_sff_data_xfer_noirq(struct ata_queued_cmd *qc,
unsigned char *buf, unsigned int buflen, int rw); unsigned char *buf, unsigned int buflen, int rw);
extern void ata_sff_irq_on(struct ata_port *ap); extern void ata_sff_irq_on(struct ata_port *ap);
extern void ata_sff_irq_clear(struct ata_port *ap); extern void ata_sff_irq_clear(struct ata_port *ap);
......
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