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| author | Chao Yu <chao@kernel.org> | 2023-07-12 04:08:06 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-08-14 13:41:08 -0700 |
| commit | 025b3602b5fa216fb87bbfa4bff8bb378fe589a0 (patch) | |
| tree | 58223e1e45ecd2853558df5820f2edb9ff87fb0a /fs/f2fs | |
| parent | 3a2c0e55f9bdeda9c3807d6ac23d62f027f6caa9 (diff) | |
| download | linux-025b3602b5fa216fb87bbfa4bff8bb378fe589a0.tar.gz | |
f2fs: compress: don't {,de}compress non-full cluster
f2fs won't compress non-full cluster in tail of file, let's skip
dirtying and rewrite such cluster during f2fs_ioc_{,de}compress_file.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/file.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 79cb6a41f1289..74f79e7c8c020 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -4092,10 +4092,8 @@ static int f2fs_ioc_decompress_file(struct file *filp) last_idx = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE); count = last_idx - page_idx; - while (count) { - int len = min(cluster_size, count); - - ret = redirty_blocks(inode, page_idx, len); + while (count && count >= cluster_size) { + ret = redirty_blocks(inode, page_idx, cluster_size); if (ret < 0) break; @@ -4105,8 +4103,8 @@ static int f2fs_ioc_decompress_file(struct file *filp) break; } - count -= len; - page_idx += len; + count -= cluster_size; + page_idx += cluster_size; cond_resched(); if (fatal_signal_pending(current)) { @@ -4172,10 +4170,8 @@ static int f2fs_ioc_compress_file(struct file *filp) last_idx = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE); count = last_idx - page_idx; - while (count) { - int len = min(cluster_size, count); - - ret = redirty_blocks(inode, page_idx, len); + while (count && count >= cluster_size) { + ret = redirty_blocks(inode, page_idx, cluster_size); if (ret < 0) break; @@ -4185,8 +4181,8 @@ static int f2fs_ioc_compress_file(struct file *filp) break; } - count -= len; - page_idx += len; + count -= cluster_size; + page_idx += cluster_size; cond_resched(); if (fatal_signal_pending(current)) { |