Re: [PATCH] xfs: remove unused transaction pointer args

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> On Mar 31, 2014, at 7:09 AM, Brian Foster <bfoster@xxxxxxxxxx> wrote:
> 
>> On Fri, Mar 28, 2014 at 09:01:26PM -0500, Eric Sandeen wrote:
>> Several functions pass a transaction pointer around,
>> but it's never used in those callchains.  Remove it.
>> 
>> Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
>> ---
>> 
>> diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
>> index 152543c..b308097 100644
>> --- a/fs/xfs/xfs_bmap.c
>> +++ b/fs/xfs/xfs_bmap.c
>> @@ -1675,7 +1675,6 @@ xfs_bmap_isaeof(
>>  */
>> int
>> xfs_bmap_last_offset(
>> -    struct xfs_trans    *tp,
>>    struct xfs_inode    *ip,
>>    xfs_fileoff_t        *last_block,
>>    int            whichfork)
> 
> Seems Ok to me, but it looks like you could also kill the tp param for
> xfs_bmap_last_extent(). I don't see any callers that don't pass NULL...
> 
Ok thanks will resend.  Actually have a big batch of unused param removals from some mindless work on the plane...

Eric

> Brian
> 
>> diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h
>> index 33b41f3..52ad38d 100644
>> --- a/fs/xfs/xfs_bmap.h
>> +++ b/fs/xfs/xfs_bmap.h
>> @@ -146,8 +146,8 @@ int    xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip,
>>        xfs_extlen_t len, xfs_fileoff_t *unused, int whichfork);
>> int    xfs_bmap_last_before(struct xfs_trans *tp, struct xfs_inode *ip,
>>        xfs_fileoff_t *last_block, int whichfork);
>> -int    xfs_bmap_last_offset(struct xfs_trans *tp, struct xfs_inode *ip,
>> -        xfs_fileoff_t *unused, int whichfork);
>> +int    xfs_bmap_last_offset(struct xfs_inode *ip, xfs_fileoff_t *unused,
>> +        int whichfork);
>> int    xfs_bmap_one_block(struct xfs_inode *ip, int whichfork);
>> int    xfs_bmap_read_extents(struct xfs_trans *tp, struct xfs_inode *ip,
>>        int whichfork);
>> diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c
>> index ce16ef0..7575a3b 100644
>> --- a/fs/xfs/xfs_dir2.c
>> +++ b/fs/xfs/xfs_dir2.c
>> @@ -230,11 +230,11 @@ xfs_dir_createname(
>> 
>>    if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
>>        rval = xfs_dir2_sf_addname(&args);
>> -    else if ((rval = xfs_dir2_isblock(tp, dp, &v)))
>> +    else if ((rval = xfs_dir2_isblock(dp, &v)))
>>        return rval;
>>    else if (v)
>>        rval = xfs_dir2_block_addname(&args);
>> -    else if ((rval = xfs_dir2_isleaf(tp, dp, &v)))
>> +    else if ((rval = xfs_dir2_isleaf(dp, &v)))
>>        return rval;
>>    else if (v)
>>        rval = xfs_dir2_leaf_addname(&args);
>> @@ -303,11 +303,11 @@ xfs_dir_lookup(
>> 
>>    if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
>>        rval = xfs_dir2_sf_lookup(&args);
>> -    else if ((rval = xfs_dir2_isblock(tp, dp, &v)))
>> +    else if ((rval = xfs_dir2_isblock(dp, &v)))
>>        return rval;
>>    else if (v)
>>        rval = xfs_dir2_block_lookup(&args);
>> -    else if ((rval = xfs_dir2_isleaf(tp, dp, &v)))
>> +    else if ((rval = xfs_dir2_isleaf(dp, &v)))
>>        return rval;
>>    else if (v)
>>        rval = xfs_dir2_leaf_lookup(&args);
>> @@ -360,11 +360,11 @@ xfs_dir_removename(
>> 
>>    if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
>>        rval = xfs_dir2_sf_removename(&args);
>> -    else if ((rval = xfs_dir2_isblock(tp, dp, &v)))
>> +    else if ((rval = xfs_dir2_isblock(dp, &v)))
>>        return rval;
>>    else if (v)
>>        rval = xfs_dir2_block_removename(&args);
>> -    else if ((rval = xfs_dir2_isleaf(tp, dp, &v)))
>> +    else if ((rval = xfs_dir2_isleaf(dp, &v)))
>>        return rval;
>>    else if (v)
>>        rval = xfs_dir2_leaf_removename(&args);
>> @@ -410,11 +410,11 @@ xfs_dir_replace(
>> 
>>    if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
>>        rval = xfs_dir2_sf_replace(&args);
>> -    else if ((rval = xfs_dir2_isblock(tp, dp, &v)))
>> +    else if ((rval = xfs_dir2_isblock(dp, &v)))
>>        return rval;
>>    else if (v)
>>        rval = xfs_dir2_block_replace(&args);
>> -    else if ((rval = xfs_dir2_isleaf(tp, dp, &v)))
>> +    else if ((rval = xfs_dir2_isleaf(dp, &v)))
>>        return rval;
>>    else if (v)
>>        rval = xfs_dir2_leaf_replace(&args);
>> @@ -456,11 +456,11 @@ xfs_dir_canenter(
>> 
>>    if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
>>        rval = xfs_dir2_sf_addname(&args);
>> -    else if ((rval = xfs_dir2_isblock(tp, dp, &v)))
>> +    else if ((rval = xfs_dir2_isblock(dp, &v)))
>>        return rval;
>>    else if (v)
>>        rval = xfs_dir2_block_addname(&args);
>> -    else if ((rval = xfs_dir2_isleaf(tp, dp, &v)))
>> +    else if ((rval = xfs_dir2_isleaf(dp, &v)))
>>        return rval;
>>    else if (v)
>>        rval = xfs_dir2_leaf_addname(&args);
>> @@ -525,7 +525,6 @@ xfs_dir2_grow_inode(
>>  */
>> int
>> xfs_dir2_isblock(
>> -    xfs_trans_t    *tp,
>>    xfs_inode_t    *dp,
>>    int        *vp)        /* out: 1 is block, 0 is not block */
>> {
>> @@ -534,7 +533,7 @@ xfs_dir2_isblock(
>>    int        rval;
>> 
>>    mp = dp->i_mount;
>> -    if ((rval = xfs_bmap_last_offset(tp, dp, &last, XFS_DATA_FORK)))
>> +    if ((rval = xfs_bmap_last_offset(dp, &last, XFS_DATA_FORK)))
>>        return rval;
>>    rval = XFS_FSB_TO_B(mp, last) == mp->m_dirblksize;
>>    ASSERT(rval == 0 || dp->i_d.di_size == mp->m_dirblksize);
>> @@ -547,7 +546,6 @@ xfs_dir2_isblock(
>>  */
>> int
>> xfs_dir2_isleaf(
>> -    xfs_trans_t    *tp,
>>    xfs_inode_t    *dp,
>>    int        *vp)        /* out: 1 is leaf, 0 is not leaf */
>> {
>> @@ -556,7 +554,7 @@ xfs_dir2_isleaf(
>>    int        rval;
>> 
>>    mp = dp->i_mount;
>> -    if ((rval = xfs_bmap_last_offset(tp, dp, &last, XFS_DATA_FORK)))
>> +    if ((rval = xfs_bmap_last_offset(dp, &last, XFS_DATA_FORK)))
>>        return rval;
>>    *vp = last == mp->m_dirleafblk + (1 << mp->m_sb.sb_dirblklog);
>>    return 0;
>> diff --git a/fs/xfs/xfs_dir2.h b/fs/xfs/xfs_dir2.h
>> index cec70e0..64a6b19 100644
>> --- a/fs/xfs/xfs_dir2.h
>> +++ b/fs/xfs/xfs_dir2.h
>> @@ -142,8 +142,8 @@ extern int xfs_dir2_sf_to_block(struct xfs_da_args *args);
>> /*
>>  * Interface routines used by userspace utilities
>>  */
>> -extern int xfs_dir2_isblock(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
>> -extern int xfs_dir2_isleaf(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
>> +extern int xfs_dir2_isblock(struct xfs_inode *dp, int *r);
>> +extern int xfs_dir2_isleaf(struct xfs_inode *dp, int *r);
>> extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db,
>>                struct xfs_buf *bp);
>> 
>> diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c
>> index ae47ec6..f8170bc 100644
>> --- a/fs/xfs/xfs_dir2_leaf.c
>> +++ b/fs/xfs/xfs_dir2_leaf.c
>> @@ -1707,7 +1707,7 @@ xfs_dir2_node_to_leaf(
>>    /*
>>     * Get the last offset in the file.
>>     */
>> -    if ((error = xfs_bmap_last_offset(tp, dp, &fo, XFS_DATA_FORK))) {
>> +    if ((error = xfs_bmap_last_offset(dp, &fo, XFS_DATA_FORK))) {
>>        return error;
>>    }
>>    fo -= mp->m_dirblkfsbs;
>> diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c
>> index 48c7d18..807946d 100644
>> --- a/fs/xfs/xfs_dir2_node.c
>> +++ b/fs/xfs/xfs_dir2_node.c
>> @@ -1726,7 +1726,7 @@ xfs_dir2_node_addname_int(
>>    if (dbno == -1) {
>>        xfs_fileoff_t    fo;        /* freespace block number */
>> 
>> -        if ((error = xfs_bmap_last_offset(tp, dp, &fo, XFS_DATA_FORK)))
>> +        if ((error = xfs_bmap_last_offset(dp, &fo, XFS_DATA_FORK)))
>>            return error;
>>        lastfbno = xfs_dir2_da_to_db(mp, (xfs_dablk_t)fo);
>>        fbno = ifbno;
>> diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c
>> index aead369..a18000f 100644
>> --- a/fs/xfs/xfs_dir2_readdir.c
>> +++ b/fs/xfs/xfs_dir2_readdir.c
>> @@ -687,7 +687,7 @@ xfs_readdir(
>>    lock_mode = xfs_ilock_data_map_shared(dp);
>>    if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
>>        rval = xfs_dir2_sf_getdents(dp, ctx);
>> -    else if ((rval = xfs_dir2_isblock(NULL, dp, &v)))
>> +    else if ((rval = xfs_dir2_isblock(dp, &v)))
>>        ;
>>    else if (v)
>>        rval = xfs_dir2_block_getdents(dp, ctx);
>> diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
>> index 22d1cbe..2b2739c 100644
>> --- a/fs/xfs/xfs_iomap.c
>> +++ b/fs/xfs/xfs_iomap.c
>> @@ -734,7 +734,7 @@ xfs_iomap_write_allocate(
>>             */
>>            nimaps = 1;
>>            end_fsb = XFS_B_TO_FSB(mp, XFS_ISIZE(ip));
>> -            error = xfs_bmap_last_offset(NULL, ip, &last_block,
>> +            error = xfs_bmap_last_offset(ip, &last_block,
>>                            XFS_DATA_FORK);
>>            if (error)
>>                goto trans_cancel;
>> 
>> 
>> _______________________________________________
>> xfs mailing list
>> xfs@xxxxxxxxxxx
>> http://oss.sgi.com/mailman/listinfo/xfs
> 

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