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| author | Sheng Yong <shengyong@oppo.com> | 2023-06-12 05:01:19 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-06-26 15:07:10 +0200 |
| commit | ac1ee161dec5801d9bbd874ef69cd0ff1e8053b6 (patch) | |
| tree | f9f1b8f7f2f54808ba13d28d0cffe26e2beda272 /fs/f2fs | |
| parent | f2fs: cleanup MIN_INLINE_XATTR_SIZE (diff) | |
| download | linux-ac1ee161dec5801d9bbd874ef69cd0ff1e8053b6.tar.xz linux-ac1ee161dec5801d9bbd874ef69cd0ff1e8053b6.zip | |
f2fs: add f2fs_ioc_get_compress_blocks
This patch adds f2fs_ioc_get_compress_blocks() to provide a common
f2fs_get_compress_blocks().
Signed-off-by: Sheng Yong <shengyong@oppo.com>
Reviewed-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 | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index b8a6267d9800..95b92a6ca19f 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -3377,18 +3377,29 @@ out: return err; } -static int f2fs_get_compress_blocks(struct file *filp, unsigned long arg) +static int f2fs_get_compress_blocks(struct inode *inode, __u64 *blocks) { - struct inode *inode = file_inode(filp); - __u64 blocks; - if (!f2fs_sb_has_compression(F2FS_I_SB(inode))) return -EOPNOTSUPP; if (!f2fs_compressed_file(inode)) return -EINVAL; - blocks = atomic_read(&F2FS_I(inode)->i_compr_blocks); + *blocks = atomic_read(&F2FS_I(inode)->i_compr_blocks); + + return 0; +} + +static int f2fs_ioc_get_compress_blocks(struct file *filp, unsigned long arg) +{ + struct inode *inode = file_inode(filp); + __u64 blocks; + int ret; + + ret = f2fs_get_compress_blocks(inode, &blocks); + if (ret < 0) + return ret; + return put_user(blocks, (u64 __user *)arg); } @@ -4240,7 +4251,7 @@ static long __f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) case FS_IOC_SETFSLABEL: return f2fs_ioc_setfslabel(filp, arg); case F2FS_IOC_GET_COMPRESS_BLOCKS: - return f2fs_get_compress_blocks(filp, arg); + return f2fs_ioc_get_compress_blocks(filp, arg); case F2FS_IOC_RELEASE_COMPRESS_BLOCKS: return f2fs_release_compress_blocks(filp, arg); case F2FS_IOC_RESERVE_COMPRESS_BLOCKS: |