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Message-ID: <Y8iotYUXzfPZLhj9@google.com> Date: Wed, 18 Jan 2023 18:19:33 -0800 From: Jaegeuk Kim <jaegeuk@...nel.org> To: Yangtao Li <frank.li@...o.com> Cc: chao@...nel.org, linux-f2fs-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org Subject: Re: [PATCH] f2fs: introduce sanity_check_blocks() On 01/12, Yangtao Li wrote: > There are very similar codes in release_compress_blocks() and > reserve_compress_blocks() which is used for data blocks check. > > This patch introduces a new helper sanity_check_blocks() > to include those common codes, and used it instead for cleanup. > > Signed-off-by: Yangtao Li <frank.li@...o.com> > --- > fs/f2fs/file.c | 36 ++++++++++++++++++++---------------- > 1 file changed, 20 insertions(+), 16 deletions(-) > > diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c > index f5c1b7814954..0d539155379c 100644 > --- a/fs/f2fs/file.c > +++ b/fs/f2fs/file.c > @@ -3369,11 +3369,9 @@ static int f2fs_get_compress_blocks(struct file *filp, unsigned long arg) > return put_user(blocks, (u64 __user *)arg); > } > > -static int release_compress_blocks(struct dnode_of_data *dn, pgoff_t count) > +static int sanity_check_blocks(struct dnode_of_data *dn, pgoff_t count) > { > struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode); > - unsigned int released_blocks = 0; > - int cluster_size = F2FS_I(dn->inode)->i_cluster_size; > block_t blkaddr; > int i; > > @@ -3390,6 +3388,21 @@ static int release_compress_blocks(struct dnode_of_data *dn, pgoff_t count) > } > } > > + return 0; > +} > + > +static int release_compress_blocks(struct dnode_of_data *dn, pgoff_t count) > +{ > + struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode); > + unsigned int released_blocks = 0; > + int cluster_size = F2FS_I(dn->inode)->i_cluster_size; > + block_t blkaddr; > + int i, rc; > + > + rc = sanity_check_blocks(dn, count); ^ err > + if (rc) > + return rc; > + > while (count) { > int compr_blocks = 0; > > @@ -3539,20 +3552,11 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count) > unsigned int reserved_blocks = 0; > int cluster_size = F2FS_I(dn->inode)->i_cluster_size; > block_t blkaddr; > - int i; > + int i, rc; > > - for (i = 0; i < count; i++) { > - blkaddr = data_blkaddr(dn->inode, dn->node_page, > - dn->ofs_in_node + i); > - > - if (!__is_valid_data_blkaddr(blkaddr)) > - continue; > - if (unlikely(!f2fs_is_valid_blkaddr(sbi, blkaddr, > - DATA_GENERIC_ENHANCE))) { > - f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR); > - return -EFSCORRUPTED; > - } > - } > + rc = sanity_check_blocks(dn, count); > + if (rc) > + return rc; > > while (count) { > int compr_blocks = 0; > -- > 2.25.1
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