diff options
| author | Fengnan Chang | 2021-11-10 10:37:13 +0800 |
|---|---|---|
| committer | Jaegeuk Kim | 2021-11-17 11:28:22 -0800 |
| commit | 3271d7eb00f1df82d9ea26b359ed065129639f7c (patch) | |
| tree | 0ff3456467454953c60b58bbc530aabd135cf8db /fs/f2fs/f2fs.h | |
| parent | 8ab774587903771821b59471cc723bba6d893942 (diff) | |
f2fs: compress: reduce one page array alloc and free when write compressed page
Don't alloc new page pointers array to replace old, just use old, introduce
valid_nr_cpages to indicate valid number of page pointers in array, try to
reduce one page array alloc and free when write compress page.
Signed-off-by: Fengnan Chang <changfengnan@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index ce9fc9f13000..ff37cdd7a6b7 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1486,6 +1486,7 @@ struct compress_ctx { unsigned int nr_rpages; /* total page number in rpages */ struct page **cpages; /* pages store compressed data in cluster */ unsigned int nr_cpages; /* total page number in cpages */ + unsigned int valid_nr_cpages; /* valid page number in cpages */ void *rbuf; /* virtual mapped address on rpages */ struct compress_data *cbuf; /* virtual mapped address on cpages */ size_t rlen; /* valid data length in rbuf */ |