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| author | Marcelo Feitoza Parisi <marcelo@feitoza.com.br> | 2006-03-28 01:56:44 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-28 09:16:06 -0800 |
| commit | 50297cbf07427b47f0fff5ade8e21cdabf860249 (patch) | |
| tree | 8d95f3c79f091c17ff78ba0ba0d7015166f6a52b /drivers/block/floppy.c | |
| parent | f45e4656ac0609437267b242953c07d523649f8d (diff) | |
| download | lwn-50297cbf07427b47f0fff5ade8e21cdabf860249.tar.gz lwn-50297cbf07427b47f0fff5ade8e21cdabf860249.zip | |
[PATCH] drivers/block/*: use time_after() and friends
They deal with wrapping correctly and are nicer to read.
Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/block/floppy.c')
| -rw-r--r-- | drivers/block/floppy.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index d3ad9081697e..bedb689b051f 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -170,6 +170,7 @@ static int print_unex = 1; #include <linux/mm.h> #include <linux/bio.h> #include <linux/string.h> +#include <linux/jiffies.h> #include <linux/fcntl.h> #include <linux/delay.h> #include <linux/mc146818rtc.h> /* CMOS defines */ @@ -747,7 +748,7 @@ static int disk_change(int drive) { int fdc = FDC(drive); #ifdef FLOPPY_SANITY_CHECK - if (jiffies - UDRS->select_date < UDP->select_delay) + if (time_before(jiffies, UDRS->select_date + UDP->select_delay)) DPRINT("WARNING disk change called early\n"); if (!(FDCS->dor & (0x10 << UNIT(drive))) || (FDCS->dor & 3) != UNIT(drive) || fdc != FDC(drive)) { @@ -1075,7 +1076,7 @@ static int fd_wait_for_completion(unsigned long delay, timeout_fn function) return 1; } - if ((signed)(jiffies - delay) < 0) { + if (time_before(jiffies, delay)) { del_timer(&fd_timer); fd_timer.function = function; fd_timer.expires = delay; @@ -1535,7 +1536,7 @@ static void setup_rw_floppy(void) * again just before spinup completion. Beware that * after scandrives, we must again wait for selection. */ - if ((signed)(ready_date - jiffies) > DP->select_delay) { + if (time_after(ready_date, jiffies + DP->select_delay)) { ready_date -= DP->select_delay; function = (timeout_fn) floppy_start; } else @@ -3823,7 +3824,7 @@ static int check_floppy_change(struct gendisk *disk) if (UTESTF(FD_DISK_CHANGED) || UTESTF(FD_VERIFY)) return 1; - if (UDP->checkfreq < (int)(jiffies - UDRS->last_checked)) { + if (time_after(jiffies, UDRS->last_checked + UDP->checkfreq)) { if (floppy_grab_irq_and_dma()) { return 1; } |