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First cut at 64-bit file offsets in block devices for mkfs/fsck.

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This commit is contained in:
Philip Homburg
2006-11-27 14:21:43 +00:00
parent 828e87862f
commit bafc45a309
35 changed files with 456 additions and 227 deletions
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drivers/memory/memory.c
+8 -3
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@@ -43,7 +43,7 @@ extern int errno; /* error number for PM calls */
FORWARD _PROTOTYPE( char *m_name, (void) );
FORWARD _PROTOTYPE( struct device *m_prepare, (int device) );
FORWARD _PROTOTYPE( int m_transfer, (int proc_nr, int opcode, off_t position,
FORWARD _PROTOTYPE( int m_transfer, (int proc_nr, int opcode, u64_t position,
iovec_t *iov, unsigned nr_req, int safe));
FORWARD _PROTOTYPE( int m_do_open, (struct driver *dp, message *m_ptr) );
FORWARD _PROTOTYPE( void m_init, (void) );
@@ -119,10 +119,10 @@ int device;
/*===========================================================================*
* m_transfer *
*===========================================================================*/
PRIVATE int m_transfer(proc_nr, opcode, position, iov, nr_req, safe)
PRIVATE int m_transfer(proc_nr, opcode, pos64, iov, nr_req, safe)
int proc_nr; /* process doing the request */
int opcode; /* DEV_GATHER or DEV_SCATTER */
off_t position; /* offset on device to read or write */
u64_t pos64; /* offset on device to read or write */
iovec_t *iov; /* pointer to read or write request vector */
unsigned nr_req; /* length of request vector */
int safe; /* safe copies */
@@ -136,9 +136,14 @@ int safe; /* safe copies */
struct device *dv;
unsigned long dv_size;
int s, r;
off_t position;
static int n = 0;
if (ex64hi(pos64) != 0)
return OK; /* Beyond EOF */
position= cv64ul(pos64);
/* Get minor device number and check for /dev/null. */
dv = &m_geom[m_device];
dv_size = cv64ul(dv->dv_size);