exfat: improve write performance when dirsync enabled
Degradation of write speed caused by frequent disk access for cluster
bitmap update on every cluster allocation could be improved by
selective syncing bitmap buffer. Change to flush bitmap buffer only
for the directory related operations.
Signed-off-by: Hyeongseok Kim <hyeongseok@gmail.com>
Acked-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c
index e1d5536..7efb1c6 100644
--- a/fs/exfat/dir.c
+++ b/fs/exfat/dir.c
@@ -320,7 +320,7 @@ int exfat_alloc_new_dir(struct inode *inode, struct exfat_chain *clu)
exfat_chain_set(clu, EXFAT_EOF_CLUSTER, 0, ALLOC_NO_FAT_CHAIN);
- ret = exfat_alloc_cluster(inode, 1, clu);
+ ret = exfat_alloc_cluster(inode, 1, clu, IS_DIRSYNC(inode));
if (ret)
return ret;