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f2fs: add f2fs_ioc_get_compress_blocks

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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>
This commit is contained in:
Sheng Yong 2023-06-12 11:01:19 +08:00 committed by Jaegeuk Kim
parent dde38c03b3
commit ac1ee161de
1 changed files with 17 additions and 6 deletions
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23
fs/f2fs/file.c
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@ -3377,18 +3377,29 @@ out:
return err; 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))) if (!f2fs_sb_has_compression(F2FS_I_SB(inode)))
return -EOPNOTSUPP; return -EOPNOTSUPP;
if (!f2fs_compressed_file(inode)) if (!f2fs_compressed_file(inode))
return -EINVAL; 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); 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: case FS_IOC_SETFSLABEL:
return f2fs_ioc_setfslabel(filp, arg); return f2fs_ioc_setfslabel(filp, arg);
case F2FS_IOC_GET_COMPRESS_BLOCKS: 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: case F2FS_IOC_RELEASE_COMPRESS_BLOCKS:
return f2fs_release_compress_blocks(filp, arg); return f2fs_release_compress_blocks(filp, arg);
case F2FS_IOC_RESERVE_COMPRESS_BLOCKS: case F2FS_IOC_RESERVE_COMPRESS_BLOCKS: