diff options
Diffstat (limited to 'fs/f2fs/compress.c')
| -rw-r--r-- | fs/f2fs/compress.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index c7c5a8f8a48c..dcedf008f359 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -227,7 +227,12 @@ static int lz4_init_compress_ctx(struct compress_ctx *cc) if (!cc->private) return -ENOMEM; - cc->clen = LZ4_compressBound(PAGE_SIZE << cc->log_cluster_size); + /* + * we do not change cc->clen to LZ4_compressBound(inputsize) to + * adapt worst compress case, because lz4 compressor can handle + * output budget properly. + */ + cc->clen = cc->rlen - PAGE_SIZE - COMPRESS_HEADER_SIZE; return 0; } @@ -243,11 +248,9 @@ static int lz4_compress_pages(struct compress_ctx *cc) len = LZ4_compress_default(cc->rbuf, cc->cbuf->cdata, cc->rlen, cc->clen, cc->private); - if (!len) { - printk_ratelimited("%sF2FS-fs (%s): lz4 compress failed\n", - KERN_ERR, F2FS_I_SB(cc->inode)->sb->s_id); - return -EIO; - } + if (!len) + return -EAGAIN; + cc->clen = len; return 0; } |