diff options
| author | Jens Axboe <axboe@suse.de> | 2004-08-22 22:37:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-08-22 22:37:19 -0700 |
| commit | 5e9dbcaa2c752116b116bda619cf2e5438757e6a (patch) | |
| tree | cfef5aa97d34f24ce0574ca9ebc570e52dc38df0 /include/linux/ide.h | |
| parent | d2a8285687638fad1fb6b4b5e7e809330e21b1eb (diff) | |
[PATCH] disk barriers: IDE
ide bits
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/ide.h')
| -rw-r--r-- | include/linux/ide.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index 06542968a2c2..40ddd0d79e8f 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -780,6 +780,7 @@ typedef struct ide_drive_s { u8 sect; /* "real" sectors per track */ u8 bios_head; /* BIOS/fdisk/LILO number of heads */ u8 bios_sect; /* BIOS/fdisk/LILO sectors per track */ + u8 doing_barrier; /* state, 1=currently doing flush */ unsigned int bios_cyl; /* BIOS/fdisk/LILO number of cyls */ unsigned int cyl; /* "real" number of cyls */ @@ -1293,6 +1294,11 @@ extern ide_startstop_t ide_do_reset (ide_drive_t *); extern void ide_init_drive_cmd (struct request *rq); /* + * this function returns error location sector offset in case of a write error + */ +extern u64 ide_get_error_location(ide_drive_t *, char *); + +/* * "action" parameter type for ide_do_drive_cmd() below. */ typedef enum { @@ -1664,4 +1670,11 @@ extern struct semaphore ide_cfg_sem; extern struct bus_type ide_bus_type; +/* check if CACHE FLUSH (EXT) command is supported (bits defined in ATA-6) */ +#define ide_id_has_flush_cache(id) ((id)->cfs_enable_2 & 0x3000) + +/* some Maxtor disks have bit 13 defined incorrectly so check bit 10 too */ +#define ide_id_has_flush_cache_ext(id) \ + (((id)->cfs_enable_2 & 0x2400) == 0x2400) + #endif /* _IDE_H */ |