* Use drive->capacity64 for caching current capacity.
* Switch ide_floppy_capacity() to use drive->capacity64.
* Call set_capacity() in idefloppy_open() and ide_floppy_probe()
instead of ide_floppy_get_capacity().
There should be no functional changes caused by this patch.
Cc: Borislav Petkov <petkovbb@xxxxxxxxx>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
---
drivers/ide/ide-floppy.c | 23 +++++++++++++----------
1 file changed, 13 insertions(+), 10 deletions(-)
Index: b/drivers/ide/ide-floppy.c
===================================================================
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -445,7 +445,9 @@ static int ide_floppy_get_flexible_disk_
drive->name, lba_capacity, capacity);
floppy->blocks = floppy->block_size ?
capacity / floppy->block_size : 0;
+ drive->capacity64 = floppy->blocks * floppy->bs_factor;
}
+
return 0;
}
@@ -466,7 +468,7 @@ static int ide_floppy_get_capacity(ide_d
drive->bios_head = drive->bios_sect = 0;
floppy->blocks = 0;
floppy->bs_factor = 1;
- set_capacity(floppy->disk, 0);
+ drive->capacity64 = 0;
ide_floppy_create_read_capacity_cmd(&pc);
if (ide_queue_pc_tail(drive, disk, &pc)) {
@@ -523,6 +525,8 @@ static int ide_floppy_get_capacity(ide_d
"non 512 bytes block size not "
"fully supported\n",
drive->name);
+ drive->capacity64 =
+ floppy->blocks * floppy->bs_factor;
rc = 0;
}
break;
@@ -547,17 +551,12 @@ static int ide_floppy_get_capacity(ide_d
if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE))
(void) ide_floppy_get_flexible_disk_page(drive);
- set_capacity(disk, floppy->blocks * floppy->bs_factor);
-
return rc;
}
sector_t ide_floppy_capacity(ide_drive_t *drive)
{
- idefloppy_floppy_t *floppy = drive->driver_data;
- unsigned long capacity = floppy->blocks * floppy->bs_factor;
-
- return capacity;
+ return drive->capacity64;
}
static void idefloppy_setup(ide_drive_t *drive)
@@ -671,14 +670,16 @@ static int idefloppy_open(struct inode *
if (ide_do_test_unit_ready(drive, disk))
ide_do_start_stop(drive, disk, 1);
- if (ide_floppy_get_capacity(drive)
- && (filp->f_flags & O_NDELAY) == 0
+ ret = ide_floppy_get_capacity(drive);
+
+ set_capacity(disk, ide_floppy_capacity(drive));
+
+ if (ret && (filp->f_flags & O_NDELAY) == 0) {
/*
* Allow O_NDELAY to open a drive without a disk, or with an
* unreadable disk, so that we can get the format capacity
* of the drive or begin the format - Sam
*/
- ) {
ret = -EIO;
goto out_put_floppy;
}
@@ -811,6 +812,8 @@ static int ide_floppy_probe(ide_drive_t
idefloppy_setup(drive);
+ set_capacity(g, ide_floppy_capacity(drive));
+
g->minors = 1 << PARTN_BITS;
g->driverfs_dev = &drive->gendev;
if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
--
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