diff options
| author | Chao Yu <yuchao0@huawei.com> | 2020-03-18 16:22:59 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-05-08 06:55:56 -0700 |
| commit | 3265d3db1f16395cfc6b8ea9b31b4001d98d05ef (patch) | |
| tree | b6ed34cd7bde862ad9061b811749a7abded16439 /fs/f2fs/file.c | |
| parent | b5f4684b5f5fe6ea3c0d57acf5acdf8e8fbfe503 (diff) | |
f2fs: support partial truncation on compressed inode
Supports to truncate compressed/normal cluster partially on compressed
inode.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/file.c')
| -rw-r--r-- | fs/f2fs/file.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index a0a4413d6083..175c66190087 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -647,9 +647,6 @@ static int truncate_partial_data_page(struct inode *inode, u64 from, return 0; } - if (f2fs_compressed_file(inode)) - return 0; - page = f2fs_get_lock_data_page(inode, index, true); if (IS_ERR(page)) return PTR_ERR(page) == -ENOENT ? 0 : PTR_ERR(page); @@ -665,7 +662,7 @@ truncate_out: return 0; } -static int do_truncate_blocks(struct inode *inode, u64 from, bool lock) +int f2fs_do_truncate_blocks(struct inode *inode, u64 from, bool lock) { struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct dnode_of_data dn; @@ -733,7 +730,9 @@ free_partial: int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock) { u64 free_from = from; + int err; +#ifdef CONFIG_F2FS_FS_COMPRESSION /* * for compressed file, only support cluster size * aligned truncation. @@ -748,8 +747,18 @@ int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock) free_from++; free_from <<= cluster_shift; } +#endif + + err = f2fs_do_truncate_blocks(inode, free_from, lock); + if (err) + return err; + +#ifdef CONFIG_F2FS_FS_COMPRESSION + if (from != free_from) + err = f2fs_truncate_partial_cluster(inode, from, lock); +#endif - return do_truncate_blocks(inode, free_from, lock); + return err; } int f2fs_truncate(struct inode *inode) |