xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mtd: do not use mtd->sync directly

Browse Source 
This patch teaches 'mtd_sync()' to do nothing when the MTD driver does
not have the '->sync()' method, which allows us to remove all direct
'mtd->sync' accesses.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Artem Bityutskiy
2011-12-30 16:35:35 +02:00
committed by David Woodhouse
parent 1dbebd3256
commit 327cf2922b
9 changed files with 11 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/mtd/mtdblock.c
View File

@@ -322,8 +322,7 @@ static int mtdblock_release(struct mtd_blktrans_dev *mbd)
if (!--mtdblk->count) {
/* It was the last usage. Free the cache */
if (mbd->mtd->sync)
mtd_sync(mbd->mtd);
mtd_sync(mbd->mtd);
vfree(mtdblk->cache_data);
}
@@ -341,9 +340,7 @@ static int mtdblock_flush(struct mtd_blktrans_dev *dev)
mutex_lock(&mtdblk->cache_mutex);
write_cached_data(mtdblk);
mutex_unlock(&mtdblk->cache_mutex);
if (dev->mtd->sync)
mtd_sync(dev->mtd);
mtd_sync(dev->mtd);
return 0;
}