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SmartFS: Backout last change. It alters the behavior when it should not. Obviously there is something that I do not understand

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This commit is contained in:
Gregory Nutt 2015-11-11 08:15:08 -06:00
parent f86ca94798
commit 2ff1b173f2
3 changed files with 29 additions and 15 deletions
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2
arch

@ -1 +1 @@
Subproject commit fb42257296843a19a50cbca004324f1c88a00b8f
Subproject commit 6a3129092ce8ef63c608fa932185873850621aa2

2
configs

@ -1 +1 @@
Subproject commit e62ee658d540523e2a8b5ecdd1832e65e9713dc9
Subproject commit d5c2d3699b337a11ef0e5f204537873e719a97ae

20
drivers/mtd/smart.c
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@ -220,8 +220,7 @@ struct smart_struct_s
uint32_t unusedsectors; /* Count of unused sectors (i.e. free when erased) */
uint32_t blockerases; /* Count of unused sectors (i.e. free when erased) */
#endif
uint32_t neraseblocks; /* Number of erase blocks or sub-sectors */
uint32_t erasesize; /* Size of an erase block */
uint16_t neraseblocks; /* Number of erase blocks or sub-sectors */
uint16_t lastallocblock; /* Last block we allocated a sector from */
uint16_t freesectors; /* Total number of free sectors */
uint16_t releasesectors; /* Total number of released sectors */
@ -229,6 +228,7 @@ struct smart_struct_s
uint16_t sectorsPerBlk; /* Number of sectors per erase block */
uint16_t sectorsize; /* Sector size on device */
uint16_t totalsectors; /* Total number of sectors on device */
uint32_t erasesize; /* Size of an erase block */
FAR uint8_t *releasecount; /* Count of released sectors per erase block */
FAR uint8_t *freecount; /* Count of free sectors per erase block */
FAR char *rwbuffer; /* Our sector read/write buffer */
@ -925,6 +925,11 @@ static int smart_geometry(FAR struct inode *inode, struct geometry *geometry)
#endif
erasesize = dev->geo.erasesize;
if (erasesize == 0)
{
erasesize = 262144;
}
geometry->geo_nsectors = dev->geo.neraseblocks * erasesize /
dev->sectorsize;
geometry->geo_sectorsize = dev->sectorsize;
@ -968,10 +973,19 @@ static int smart_setsectorsize(FAR struct smart_struct_s *dev, uint16_t size)
erasesize = dev->geo.erasesize;
dev->neraseblocks = dev->geo.neraseblocks;
/* Most FLASH devices have erase size of 64K, but geo.erasesize is only
* 16 bits, so it will be zero
*/
if (erasesize == 0)
{
erasesize = 262144;
}
dev->erasesize = erasesize;
dev->sectorsize = size;
dev->mtdBlksPerSector = dev->sectorsize / dev->geo.blocksize;
if (erasesize / dev->sectorsize > 256)
{
/* We can't throw a dbg message here becasue it is too early.