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| author | Hyeongseok Kim <hyeongseok@gmail.com> | 2021-03-15 13:12:55 +0900 |
|---|---|---|
| committer | Namjae Jeon <namjae.jeon@samsung.com> | 2021-04-27 20:45:06 +0900 |
| commit | 23befe490ba885bdf757d40b2489134315fef690 (patch) | |
| tree | a52e5f7a88096c8f57e8323da2c5de11c2c6c6e2 /fs/exfat/fatent.c | |
| parent | 654762df2ec7d61b05acc788afbffaba52d658fe (diff) | |
| download | linux-stable-23befe490ba885bdf757d40b2489134315fef690.tar.gz linux-stable-23befe490ba885bdf757d40b2489134315fef690.tar.bz2 linux-stable-23befe490ba885bdf757d40b2489134315fef690.zip | |
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>
Diffstat (limited to 'fs/exfat/fatent.c')
| -rw-r--r-- | fs/exfat/fatent.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/exfat/fatent.c b/fs/exfat/fatent.c index fd6c7fd12762..e949e563443c 100644 --- a/fs/exfat/fatent.c +++ b/fs/exfat/fatent.c @@ -320,7 +320,7 @@ release_bhs: } int exfat_alloc_cluster(struct inode *inode, unsigned int num_alloc, - struct exfat_chain *p_chain) + struct exfat_chain *p_chain, bool sync_bmap) { int ret = -ENOSPC; unsigned int num_clusters = 0, total_cnt; @@ -388,7 +388,7 @@ int exfat_alloc_cluster(struct inode *inode, unsigned int num_alloc, } /* update allocation bitmap */ - if (exfat_set_bitmap(inode, new_clu)) { + if (exfat_set_bitmap(inode, new_clu, sync_bmap)) { ret = -EIO; goto free_cluster; } |