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| author |  Fengnan Chang <changfengnan@vivo.com>
| 2021-06-22 19:50:59 +0800 |
|---|---|---|
| committer |  Jaegeuk Kim <jaegeuk@kernel.org>
| 2021-08-02 11:24:25 -0700 |
| commit | 7eab7a6968278c735b1ca6387056a408f7960265 (patch) | |
| tree | 8e3136fa77f7ab0d9afbb7f07ea775c279115e21 /fs/f2fs/data.c | |
| parent | f2fs: don't sleep while grabing nat_tree_lock (diff) | |
| download | linux-7eab7a6968278c735b1ca6387056a408f7960265.tar.gz linux-7eab7a6968278c735b1ca6387056a408f7960265.tar.bz2 linux-7eab7a6968278c735b1ca6387056a408f7960265.zip | |
f2fs: compress: remove unneeded read when rewrite whole cluster
when we overwrite the whole page in cluster, we don't need read original
data before write, because after write_end(), writepages() can help to
load left data in that cluster.
Signed-off-by: Fengnan Chang <changfengnan@vivo.com>
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Acked-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/data.c')
| -rw-r--r-- | fs/f2fs/data.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 28ad1f533c2a..d7f9d66577f5 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -3329,6 +3329,9 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping, *fsdata = NULL; + if (len == PAGE_SIZE) + goto repeat; + ret = f2fs_prepare_compress_overwrite(inode, pagep, index, fsdata); if (ret < 0) { |