ide-tape: mv tape->stage_size tape->buffer_size

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 29 insertions, 29 deletions

diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index dc7abb25a8eb..6836d0d92d8a 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -308,7 +308,7 @@ typedef struct ide_tape_obj {
          */
 
         /* Data buffer size chosen based on the tape's recommendation */
-        int stage_size;
+        int buffer_size;
         idetape_stage_t *merge_stage;
         int merge_stage_size;
         struct idetape_bh *bh;
@@ -1168,7 +1168,7 @@ static void idetape_create_read_cmd(idetape_tape_t *tape,
         pc->buf = NULL;
         pc->buf_size = length * tape->blk_size;
         pc->req_xfer = pc->buf_size;
-        if (pc->req_xfer == tape->stage_size)
+        if (pc->req_xfer == tape->buffer_size)
                 pc->flags |= PC_FLAG_DMA_RECOMMENDED;
 }
 
@@ -1188,7 +1188,7 @@ static void idetape_create_write_cmd(idetape_tape_t *tape,
         pc->buf = NULL;
         pc->buf_size = length * tape->blk_size;
         pc->req_xfer = pc->buf_size;
-        if (pc->req_xfer == tape->stage_size)
+        if (pc->req_xfer == tape->buffer_size)
                 pc->flags |= PC_FLAG_DMA_RECOMMENDED;
 }
 
@@ -1291,7 +1291,7 @@ out:
 
 /*
  * The function below uses __get_free_pages to allocate a data buffer of size
- * tape->stage_size (or a bit more). We attempt to combine sequential pages as
+ * tape->buffer_size (or a bit more). We attempt to combine sequential pages as
  * much as possible.
  *
  * It returns a pointer to the newly allocated buffer, or NULL in case of
@@ -1792,9 +1792,9 @@ static void idetape_empty_write_pipeline(ide_drive_t *drive)
                                 " but we are not writing.\n");
                 return;
         }
-        if (tape->merge_stage_size > tape->stage_size) {
+        if (tape->merge_stage_size > tape->buffer_size) {
                 printk(KERN_ERR "ide-tape: bug: merge_buffer too big\n");
-                tape->merge_stage_size = tape->stage_size;
+                tape->merge_stage_size = tape->buffer_size;
         }
         if (tape->merge_stage_size) {
                 blocks = tape->merge_stage_size / tape->blk_size;
@@ -1905,7 +1905,7 @@ static void idetape_pad_zeros(ide_drive_t *drive, int bcount)
                 unsigned int count;
 
                 bh = tape->merge_stage->bh;
-                count = min(tape->stage_size, bcount);
+                count = min(tape->buffer_size, bcount);
                 bcount -= count;
                 blocks = count / tape->blk_size;
                 while (count) {
@@ -2074,7 +2074,7 @@ static ssize_t idetape_chrdev_read(struct file *file, char __user *buf,
                 tape->merge_stage_size -= actually_read;
                 count -= actually_read;
         }
-        while (count >= tape->stage_size) {
+        while (count >= tape->buffer_size) {
                 bytes_read = idetape_add_chrdev_read_request(drive, ctl);
                 if (bytes_read <= 0)
                         goto finish;
@@ -2156,12 +2156,12 @@ static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf,
         if (count == 0)
                 return (0);
         if (tape->merge_stage_size) {
-                if (tape->merge_stage_size >= tape->stage_size) {
+                if (tape->merge_stage_size >= tape->buffer_size) {
                         printk(KERN_ERR "ide-tape: bug: merge buf too big\n");
                         tape->merge_stage_size = 0;
                 }
                 actually_written = min((unsigned int)
-                                (tape->stage_size - tape->merge_stage_size),
+                                (tape->buffer_size - tape->merge_stage_size),
                                 (unsigned int)count);
                 if (idetape_copy_stage_from_user(tape, buf, actually_written))
                                 ret = -EFAULT;
@@ -2169,7 +2169,7 @@ static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf,
                 tape->merge_stage_size += actually_written;
                 count -= actually_written;
 
-                if (tape->merge_stage_size == tape->stage_size) {
+                if (tape->merge_stage_size == tape->buffer_size) {
                         ssize_t retval;
                         tape->merge_stage_size = 0;
                         retval = idetape_add_chrdev_write_request(drive, ctl);
@@ -2177,14 +2177,14 @@ static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf,
                                 return (retval);
                 }
         }
-        while (count >= tape->stage_size) {
+        while (count >= tape->buffer_size) {
                 ssize_t retval;
-                if (idetape_copy_stage_from_user(tape, buf, tape->stage_size))
+                if (idetape_copy_stage_from_user(tape, buf, tape->buffer_size))
                         ret = -EFAULT;
-                buf += tape->stage_size;
-                count -= tape->stage_size;
+                buf += tape->buffer_size;
+                count -= tape->buffer_size;
                 retval = idetape_add_chrdev_write_request(drive, ctl);
-                actually_written += tape->stage_size;
+                actually_written += tape->buffer_size;
                 if (retval <= 0)
                         return (retval);
         }
@@ -2678,8 +2678,8 @@ static void idetape_add_settings(ide_drive_t *drive)
                         1, 2, (u16 *)&tape->caps[16], NULL);
         ide_add_setting(drive, "speed", SETTING_READ, TYPE_SHORT, 0, 0xffff,
                         1, 1, (u16 *)&tape->caps[14], NULL);
-        ide_add_setting(drive, "stage", SETTING_READ, TYPE_INT, 0, 0xffff, 1,
-                        1024, &tape->stage_size, NULL);
+        ide_add_setting(drive, "buffer_size", SETTING_READ, TYPE_INT, 0, 0xffff,
+                        1, 1024, &tape->buffer_size, NULL);
         ide_add_setting(drive, "tdsc", SETTING_RW, TYPE_INT, IDETAPE_DSC_RW_MIN,
                         IDETAPE_DSC_RW_MAX, 1000, HZ, &tape->best_dsc_rw_freq,
                         NULL);
@@ -2709,7 +2709,7 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor)
 {
         unsigned long t;
         int speed;
-        int stage_size;
+        int buffer_size;
         u8 gcw[2];
         u16 *ctl = (u16 *)&tape->caps[12];
 
@@ -2739,23 +2739,23 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor)
         idetape_get_mode_sense_results(drive);
         ide_tape_get_bsize_from_bdesc(drive);
         tape->user_bs_factor = 1;
-        tape->stage_size = *ctl * tape->blk_size;
-        while (tape->stage_size > 0xffff) {
+        tape->buffer_size = *ctl * tape->blk_size;
+        while (tape->buffer_size > 0xffff) {
                 printk(KERN_NOTICE "ide-tape: decreasing stage size\n");
                 *ctl /= 2;
-                tape->stage_size = *ctl * tape->blk_size;
+                tape->buffer_size = *ctl * tape->blk_size;
         }
-        stage_size = tape->stage_size;
-        tape->pages_per_stage = stage_size / PAGE_SIZE;
-        if (stage_size % PAGE_SIZE) {
+        buffer_size = tape->buffer_size;
+        tape->pages_per_stage = buffer_size / PAGE_SIZE;
+        if (buffer_size % PAGE_SIZE) {
                 tape->pages_per_stage++;
-                tape->excess_bh_size = PAGE_SIZE - stage_size % PAGE_SIZE;
+                tape->excess_bh_size = PAGE_SIZE - buffer_size % PAGE_SIZE;
         }
 
         /* select the "best" DSC read/write polling freq */
         speed = max(*(u16 *)&tape->caps[14], *(u16 *)&tape->caps[8]);
 
-        t = (IDETAPE_FIFO_THRESHOLD * tape->stage_size * HZ) / (speed * 1000);
+        t = (IDETAPE_FIFO_THRESHOLD * tape->buffer_size * HZ) / (speed * 1000);
 
         /*
          * Ensure that the number we got makes sense; limit it within
@@ -2767,8 +2767,8 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor)
         printk(KERN_INFO "ide-tape: %s <-> %s: %dKBps, %d*%dkB buffer, "
                 "%lums tDSC%s\n",
                 drive->name, tape->name, *(u16 *)&tape->caps[14],
-                (*(u16 *)&tape->caps[16] * 512) / tape->stage_size,
-                tape->stage_size / 1024,
+                (*(u16 *)&tape->caps[16] * 512) / tape->buffer_size,
+                tape->buffer_size / 1024,
                 tape->best_dsc_rw_freq * 1000 / HZ,
                 drive->using_dma ? ", DMA":"");