diff mbox

[2/2] xfs: fix unused variable warnings

Message ID 20171102111137.3062126-2-arnd@arndb.de (mailing list archive)
State New, archived
Headers show

Commit Message

Arnd Bergmann Nov. 2, 2017, 11:11 a.m. UTC 
fs/xfs/libxfs/xfs_bmap.c: In function 'xfs_bmap_del_extent_delay':
fs/xfs/libxfs/xfs_bmap.c:4648:20: error: unused variable 'ifp' [-Werror=unused-variable]
  struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
                    ^~~
fs/xfs/libxfs/xfs_bmap.c: In function 'xfs_bmap_del_extent_cow':
fs/xfs/libxfs/xfs_bmap.c:4776:20: error: unused variable 'ifp' [-Werror=unused-variable]

Fixes: ca5d8e5b7b90 ("xfs: move pre/post-bmap tracing into xfs_iext_update_extent")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 fs/xfs/libxfs/xfs_bmap.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

Comments

Brian Foster Nov. 2, 2017, 12:44 p.m. UTC | #1 
On Thu, Nov 02, 2017 at 12:11:13PM +0100, Arnd Bergmann wrote:
> fs/xfs/libxfs/xfs_bmap.c: In function 'xfs_bmap_del_extent_delay':
> fs/xfs/libxfs/xfs_bmap.c:4648:20: error: unused variable 'ifp' [-Werror=unused-variable]
>   struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
>                     ^~~
> fs/xfs/libxfs/xfs_bmap.c: In function 'xfs_bmap_del_extent_cow':
> fs/xfs/libxfs/xfs_bmap.c:4776:20: error: unused variable 'ifp' [-Werror=unused-variable]
> 
> Fixes: ca5d8e5b7b90 ("xfs: move pre/post-bmap tracing into xfs_iext_update_extent")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---

Thanks for sending this:

Reviewed-by: Brian Foster <bfoster@redhat.com>

>  fs/xfs/libxfs/xfs_bmap.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
> index f45f05c45e15..fa85b08b8fe2 100644
> --- a/fs/xfs/libxfs/xfs_bmap.c
> +++ b/fs/xfs/libxfs/xfs_bmap.c
> @@ -4645,7 +4645,6 @@ xfs_bmap_del_extent_delay(
>  	struct xfs_bmbt_irec	*del)
>  {
>  	struct xfs_mount	*mp = ip->i_mount;
> -	struct xfs_ifork	*ifp = XFS_IFORK_PTR(ip, whichfork);
>  	struct xfs_bmbt_irec	new;
>  	int64_t			da_old, da_new, da_diff = 0;
>  	xfs_fileoff_t		del_endoff, got_endoff;
> @@ -4663,7 +4662,7 @@ xfs_bmap_del_extent_delay(
>  	da_new = 0;
>  
>  	ASSERT(*idx >= 0);
> -	ASSERT(*idx <= xfs_iext_count(ifp));
> +	ASSERT(*idx <= xfs_iext_count(XFS_IFORK_PTR(ip, whichfork)));
>  	ASSERT(del->br_blockcount > 0);
>  	ASSERT(got->br_startoff <= del->br_startoff);
>  	ASSERT(got_endoff >= del_endoff);
> @@ -4773,7 +4772,6 @@ xfs_bmap_del_extent_cow(
>  	struct xfs_bmbt_irec	*del)
>  {
>  	struct xfs_mount	*mp = ip->i_mount;
> -	struct xfs_ifork	*ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK);
>  	struct xfs_bmbt_irec	new;
>  	xfs_fileoff_t		del_endoff, got_endoff;
>  	int			state = BMAP_COWFORK;
> @@ -4784,7 +4782,7 @@ xfs_bmap_del_extent_cow(
>  	got_endoff = got->br_startoff + got->br_blockcount;
>  
>  	ASSERT(*idx >= 0);
> -	ASSERT(*idx <= xfs_iext_count(ifp));
> +	ASSERT(*idx <= xfs_iext_count(XFS_IFORK_PTR(ip, XFS_COW_FORK)));
>  	ASSERT(del->br_blockcount > 0);
>  	ASSERT(got->br_startoff <= del->br_startoff);
>  	ASSERT(got_endoff >= del_endoff);
> -- 
> 2.9.0
> 
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Darrick J. Wong Nov. 2, 2017, 4:52 p.m. UTC | #2 
On Thu, Nov 02, 2017 at 08:44:03AM -0400, Brian Foster wrote:
> On Thu, Nov 02, 2017 at 12:11:13PM +0100, Arnd Bergmann wrote:
> > fs/xfs/libxfs/xfs_bmap.c: In function 'xfs_bmap_del_extent_delay':
> > fs/xfs/libxfs/xfs_bmap.c:4648:20: error: unused variable 'ifp' [-Werror=unused-variable]
> >   struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
> >                     ^~~
> > fs/xfs/libxfs/xfs_bmap.c: In function 'xfs_bmap_del_extent_cow':
> > fs/xfs/libxfs/xfs_bmap.c:4776:20: error: unused variable 'ifp' [-Werror=unused-variable]
> > 

Christoph's subsequent patch series to reimplement the incore extent map
starts using ifp for more than just the ASSERT, so I'll take this patch
if that rework doesn't land in time for 4.15.

--D

> > Fixes: ca5d8e5b7b90 ("xfs: move pre/post-bmap tracing into xfs_iext_update_extent")
> > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> > ---
> 
> Thanks for sending this:
> 
> Reviewed-by: Brian Foster <bfoster@redhat.com>
> 
> >  fs/xfs/libxfs/xfs_bmap.c | 6 ++----
> >  1 file changed, 2 insertions(+), 4 deletions(-)
> > 
> > diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
> > index f45f05c45e15..fa85b08b8fe2 100644
> > --- a/fs/xfs/libxfs/xfs_bmap.c
> > +++ b/fs/xfs/libxfs/xfs_bmap.c
> > @@ -4645,7 +4645,6 @@ xfs_bmap_del_extent_delay(
> >  	struct xfs_bmbt_irec	*del)
> >  {
> >  	struct xfs_mount	*mp = ip->i_mount;
> > -	struct xfs_ifork	*ifp = XFS_IFORK_PTR(ip, whichfork);
> >  	struct xfs_bmbt_irec	new;
> >  	int64_t			da_old, da_new, da_diff = 0;
> >  	xfs_fileoff_t		del_endoff, got_endoff;
> > @@ -4663,7 +4662,7 @@ xfs_bmap_del_extent_delay(
> >  	da_new = 0;
> >  
> >  	ASSERT(*idx >= 0);
> > -	ASSERT(*idx <= xfs_iext_count(ifp));
> > +	ASSERT(*idx <= xfs_iext_count(XFS_IFORK_PTR(ip, whichfork)));
> >  	ASSERT(del->br_blockcount > 0);
> >  	ASSERT(got->br_startoff <= del->br_startoff);
> >  	ASSERT(got_endoff >= del_endoff);
> > @@ -4773,7 +4772,6 @@ xfs_bmap_del_extent_cow(
> >  	struct xfs_bmbt_irec	*del)
> >  {
> >  	struct xfs_mount	*mp = ip->i_mount;
> > -	struct xfs_ifork	*ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK);
> >  	struct xfs_bmbt_irec	new;
> >  	xfs_fileoff_t		del_endoff, got_endoff;
> >  	int			state = BMAP_COWFORK;
> > @@ -4784,7 +4782,7 @@ xfs_bmap_del_extent_cow(
> >  	got_endoff = got->br_startoff + got->br_blockcount;
> >  
> >  	ASSERT(*idx >= 0);
> > -	ASSERT(*idx <= xfs_iext_count(ifp));
> > +	ASSERT(*idx <= xfs_iext_count(XFS_IFORK_PTR(ip, XFS_COW_FORK)));
> >  	ASSERT(del->br_blockcount > 0);
> >  	ASSERT(got->br_startoff <= del->br_startoff);
> >  	ASSERT(got_endoff >= del_endoff);
> > -- 
> > 2.9.0
> > 
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-xfs" in
> > the body of a message to majordomo@vger.kernel.org
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diff mbox

Patch

diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index f45f05c45e15..fa85b08b8fe2 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -4645,7 +4645,6 @@  xfs_bmap_del_extent_delay(
 	struct xfs_bmbt_irec	*del)
 {
 	struct xfs_mount	*mp = ip->i_mount;
-	struct xfs_ifork	*ifp = XFS_IFORK_PTR(ip, whichfork);
 	struct xfs_bmbt_irec	new;
 	int64_t			da_old, da_new, da_diff = 0;
 	xfs_fileoff_t		del_endoff, got_endoff;
@@ -4663,7 +4662,7 @@  xfs_bmap_del_extent_delay(
 	da_new = 0;
 
 	ASSERT(*idx >= 0);
-	ASSERT(*idx <= xfs_iext_count(ifp));
+	ASSERT(*idx <= xfs_iext_count(XFS_IFORK_PTR(ip, whichfork)));
 	ASSERT(del->br_blockcount > 0);
 	ASSERT(got->br_startoff <= del->br_startoff);
 	ASSERT(got_endoff >= del_endoff);
@@ -4773,7 +4772,6 @@  xfs_bmap_del_extent_cow(
 	struct xfs_bmbt_irec	*del)
 {
 	struct xfs_mount	*mp = ip->i_mount;
-	struct xfs_ifork	*ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK);
 	struct xfs_bmbt_irec	new;
 	xfs_fileoff_t		del_endoff, got_endoff;
 	int			state = BMAP_COWFORK;
@@ -4784,7 +4782,7 @@  xfs_bmap_del_extent_cow(
 	got_endoff = got->br_startoff + got->br_blockcount;
 
 	ASSERT(*idx >= 0);
-	ASSERT(*idx <= xfs_iext_count(ifp));
+	ASSERT(*idx <= xfs_iext_count(XFS_IFORK_PTR(ip, XFS_COW_FORK)));
 	ASSERT(del->br_blockcount > 0);
 	ASSERT(got->br_startoff <= del->br_startoff);
 	ASSERT(got_endoff >= del_endoff);