[PATCH] drivers/block: fix-up schedule_timeout() usage

Use schedule_timeout_{un,}interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Cc: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 418b146..28f2c17 100644 (file)
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1713,10 +1713,9 @@ static unsigned long pollcomplete(int ctlr)
 
        for (i = 20 * HZ; i > 0; i--) {
                done = hba[ctlr]->access.command_completed(hba[ctlr]);
-               if (done == FIFO_EMPTY) {
-                       set_current_state(TASK_UNINTERRUPTIBLE);
-                       schedule_timeout(1);
-               } else
+               if (done == FIFO_EMPTY)
+                       schedule_timeout_uninterruptible(1);
+               else
                        return (done);
        }
        /* Invalid address to tell caller we ran out of time */

diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index 7289f67..ac5ba46 100644 (file)
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -516,8 +516,7 @@ static int pcd_tray_move(struct cdrom_device_info *cdi, int position)
 
 static void pcd_sleep(int cs)
 {
-       current->state = TASK_INTERRUPTIBLE;
-       schedule_timeout(cs);
+       schedule_timeout_interruptible(cs);
 }
 
 static int pcd_reset(struct pcd_unit *cd)

diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index 060b1f2..711d2f3 100644 (file)
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -507,8 +507,7 @@ static void pf_eject(struct pf_unit *pf)
 
 static void pf_sleep(int cs)
 {
-       current->state = TASK_INTERRUPTIBLE;
-       schedule_timeout(cs);
+       schedule_timeout_interruptible(cs);
 }
 
 /* the ATAPI standard actually specifies the contents of all 7 registers

diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c
index 84d8e29..b398239 100644 (file)
--- a/drivers/block/paride/pg.c
+++ b/drivers/block/paride/pg.c
@@ -276,8 +276,7 @@ static inline u8 DRIVE(struct pg *dev)
 
 static void pg_sleep(int cs)
 {
-       current->state = TASK_INTERRUPTIBLE;
-       schedule_timeout(cs);
+       schedule_timeout_interruptible(cs);
 }
 
 static int pg_wait(struct pg *dev, int go, int stop, unsigned long tmo, char *msg)

diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c
index 5fe8ee8..d8d3523 100644 (file)
--- a/drivers/block/paride/pt.c
+++ b/drivers/block/paride/pt.c
@@ -383,8 +383,7 @@ static int pt_atapi(struct pt_unit *tape, char *cmd, int dlen, char *buf, char *
 
 static void pt_sleep(int cs)
 {
-       current->state = TASK_INTERRUPTIBLE;
-       schedule_timeout(cs);
+       schedule_timeout_interruptible(cs);
 }
 
 static int pt_poll_dsc(struct pt_unit *tape, int pause, int tmo, char *msg)

diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index e5f7494..e425ad3 100644 (file)
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -834,8 +834,7 @@ static int fd_eject(struct floppy_state *fs)
                        break;
                }
                swim3_select(fs, RELAX);
-               current->state = TASK_INTERRUPTIBLE;
-               schedule_timeout(1);
+               schedule_timeout_interruptible(1);
                if (swim3_readbit(fs, DISK_IN) == 0)
                        break;
        }
@@ -906,8 +905,7 @@ static int floppy_open(struct inode *inode, struct file *filp)
                                break;
                        }
                        swim3_select(fs, RELAX);
-                       current->state = TASK_INTERRUPTIBLE;
-                       schedule_timeout(1);
+                       schedule_timeout_interruptible(1);
                }
                if (err == 0 && (swim3_readbit(fs, SEEK_COMPLETE) == 0
                                 || swim3_readbit(fs, DISK_IN) == 0))
@@ -992,8 +990,7 @@ static int floppy_revalidate(struct gendisk *disk)
                if (signal_pending(current))
                        break;
                swim3_select(fs, RELAX);
-               current->state = TASK_INTERRUPTIBLE;
-               schedule_timeout(1);
+               schedule_timeout_interruptible(1);
        }
        ret = swim3_readbit(fs, SEEK_COMPLETE) == 0
                || swim3_readbit(fs, DISK_IN) == 0;

diff --git a/drivers/block/swim_iop.c b/drivers/block/swim_iop.c
index a1283f6..89e3c2f 100644 (file)
--- a/drivers/block/swim_iop.c
+++ b/drivers/block/swim_iop.c
@@ -338,8 +338,7 @@ static int swimiop_eject(struct floppy_state *fs)
                        err = -EINTR;
                        break;
                }
-               current->state = TASK_INTERRUPTIBLE;
-               schedule_timeout(1);
+               schedule_timeout_interruptible(1);
        }
        release_drive(fs);
        return cmd->error;

diff --git a/drivers/block/xd.c b/drivers/block/xd.c
index 2c6d342..68b6d7b 100644 (file)
--- a/drivers/block/xd.c
+++ b/drivers/block/xd.c
@@ -530,10 +530,8 @@ static inline u_char xd_waitport (u_short port,u_char flags,u_char mask,u_long t
        int success;
 
        xdc_busy = 1;
-       while ((success = ((inb(port) & mask) != flags)) && time_before(jiffies, expiry)) {
-               set_current_state(TASK_UNINTERRUPTIBLE);
-               schedule_timeout(1);
-       }
+       while ((success = ((inb(port) & mask) != flags)) && time_before(jiffies, expiry))
+               schedule_timeout_uninterruptible(1);
        xdc_busy = 0;
        return (success);
 }