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dfs: make elmfatfs check secter size everytime 

more infomation:
http://www.rt-thread.org/phpBB3/topic2965.html
This commit is contained in:
prife 2013-12-21 12:04:19 +08:00
parent 4f9dc273ec
commit 26a31d662d
2 changed files with 6 additions and 11 deletions
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15
components/dfs/filesystems/elmfat/ff.c
View File

@ -108,12 +108,8 @@
#if _MAX_SS != 512 && _MAX_SS != 1024 && _MAX_SS != 2048 && _MAX_SS != 4096
#error Wrong sector size.
#endif
#if _MAX_SS != 512
#define SS(fs) ((fs)->ssize) /* Multiple sector size */
#else
#define SS(fs) 512U /* Fixed sector size */
#endif
#define SS(fs) ((fs)->ssize) /* sector size */
/* Reentrancy related */
#if _FS_REENTRANT
@ -2058,10 +2054,11 @@ FRESULT chk_mounted ( /* FR_OK(0): successful, !=0: any error occurred */
stat = disk_initialize(fs->drv); /* Initialize low level disk I/O layer */
if (stat & STA_NOINIT) /* Check if the initialization succeeded */
return FR_NOT_READY; /* Failed to initialize due to no media or hard error */
#if _MAX_SS != 512 /* Get disk sector size (variable sector size cfg only) */
/* Get disk sector size (variable sector size cfg only) */
if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &fs->ssize) != RES_OK)
return FR_DISK_ERR;
#endif
#if !_FS_READONLY
if (chk_wp && (stat & STA_PROTECT)) /* Check disk write protection if needed */
return FR_WRITE_PROTECTED;
@ -3601,10 +3598,10 @@ FRESULT f_mkfs (
stat = disk_initialize(drv);
if (stat & STA_NOINIT) return FR_NOT_READY;
if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;
#if _MAX_SS != 512 /* Get disk sector size */
/* Get disk sector size */
if (disk_ioctl(drv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK)
return FR_DISK_ERR;
#endif
if (disk_ioctl(drv, GET_SECTOR_COUNT, &n_vol) != RES_OK || n_vol < 128)
return FR_DISK_ERR;
b_vol = (sfd) ? 0 : 63; /* Volume start sector */

2
components/dfs/filesystems/elmfat/ff.h
View File

@ -84,9 +84,7 @@ typedef struct {
BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */
WORD id; /* File system mount ID */
WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
#if _MAX_SS != 512
WORD ssize; /* Bytes per sector (512,1024,2048,4096) */
#endif
#if _FS_REENTRANT
_SYNC_t sobj; /* Identifier of sync object */
#endif