bch:alloc bch->buffer when offset not aligned

Signed-off-by: guohao15 <guohao15@xiaomi.com>
This commit is contained in:
guohao15 2024-01-24 18:05:38 +08:00 committed by Xiang Xiao
parent 458bab9ae7
commit 7f16770b91
2 changed files with 16 additions and 16 deletions

View File

@ -23,6 +23,7 @@
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/kmalloc.h>
#include <sys/types.h>
#include <stdbool.h>
@ -112,7 +113,7 @@ int bchlib_flushsector(FAR struct bchlib_s *bch, bool discard)
* media.
*/
if (bch->dirty)
if (bch->dirty && bch->buffer != NULL)
{
inode = bch->inode;
@ -168,6 +169,20 @@ int bchlib_readsector(FAR struct bchlib_s *bch, size_t sector)
FAR struct inode *inode;
ssize_t ret = OK;
if (bch->buffer == NULL)
{
#if CONFIG_BCH_BUFFER_ALIGNMENT != 0
bch->buffer = kmm_memalign(CONFIG_BCH_BUFFER_ALIGNMENT, bch->sectsize);
#else
bch->buffer = kmm_malloc(bch->sectsize);
#endif
if (bch->buffer == NULL)
{
ferr("Failed to allocate sector buffer\n");
return -ENOMEM;
}
}
if (bch->sector != sector)
{
inode = bch->inode;

View File

@ -110,21 +110,6 @@ int bchlib_setup(const char *blkdev, bool readonly, FAR void **handle)
bch->sectsize = geo.geo_sectorsize;
bch->sector = (size_t)-1;
bch->readonly = readonly;
/* Allocate the sector I/O buffer */
#if CONFIG_BCH_BUFFER_ALIGNMENT != 0
bch->buffer = kmm_memalign(CONFIG_BCH_BUFFER_ALIGNMENT, bch->sectsize);
#else
bch->buffer = kmm_malloc(bch->sectsize);
#endif
if (!bch->buffer)
{
ferr("ERROR: Failed to allocate sector buffer\n");
ret = -ENOMEM;
goto errout_with_bch;
}
*handle = bch;
return OK;