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Wed, 13 Nov 2019 14:23:51 +0000 (UTC) Received: from orion.redhat.com (ovpn-204-203.brq.redhat.com [10.40.204.203]) by smtp.corp.redhat.com (Postfix) with ESMTP id 470D94D9E1 for ; Wed, 13 Nov 2019 14:23:51 +0000 (UTC) From: Carlos Maiolino To: linux-xfs@vger.kernel.org Subject: [PATCH 07/11] xfs: Remove kmem_realloc Date: Wed, 13 Nov 2019 15:23:31 +0100 Message-Id: <20191113142335.1045631-8-cmaiolino@redhat.com> In-Reply-To: <20191113142335.1045631-1-cmaiolino@redhat.com> References: <20191113142335.1045631-1-cmaiolino@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-MC-Unique: xi4g4ES-MM-K4iwg198jJA-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org We can use krealloc() with __GFP_NOFAIL directly Signed-off-by: Carlos Maiolino --- fs/xfs/kmem.c | 22 ---------------------- fs/xfs/kmem.h | 1 - fs/xfs/libxfs/xfs_iext_tree.c | 2 +- fs/xfs/libxfs/xfs_inode_fork.c | 8 ++++---- fs/xfs/xfs_log_recover.c | 2 +- fs/xfs/xfs_mount.c | 4 ++-- 6 files changed, 8 insertions(+), 31 deletions(-) diff --git a/fs/xfs/kmem.c b/fs/xfs/kmem.c index 2644fdaa0549..6e10e565632c 100644 --- a/fs/xfs/kmem.c +++ b/fs/xfs/kmem.c @@ -93,25 +93,3 @@ kmem_alloc_large(size_t size, xfs_km_flags_t flags) =09=09return ptr; =09return __kmem_vmalloc(size, flags); } - -void * -kmem_realloc(const void *old, size_t newsize, xfs_km_flags_t flags) -{ -=09int=09retries =3D 0; -=09gfp_t=09lflags =3D kmem_flags_convert(flags); -=09void=09*ptr; - -=09trace_kmem_realloc(newsize, flags, _RET_IP_); - -=09do { -=09=09ptr =3D krealloc(old, newsize, lflags); -=09=09if (ptr || (flags & KM_MAYFAIL)) -=09=09=09return ptr; -=09=09if (!(++retries % 100)) -=09=09=09xfs_err(NULL, -=09"%s(%u) possible memory allocation deadlock size %zu in %s (mode:0x%x)"= , -=09=09=09=09current->comm, current->pid, -=09=09=09=09newsize, __func__, lflags); -=09=09congestion_wait(BLK_RW_ASYNC, HZ/50); -=09} while (1); -} diff --git a/fs/xfs/kmem.h b/fs/xfs/kmem.h index 46c8c5546674..18b62eee3177 100644 --- a/fs/xfs/kmem.h +++ b/fs/xfs/kmem.h @@ -55,7 +55,6 @@ kmem_flags_convert(xfs_km_flags_t flags) extern void *kmem_alloc(size_t, xfs_km_flags_t); extern void *kmem_alloc_io(size_t size, int align_mask, xfs_km_flags_t fla= gs); extern void *kmem_alloc_large(size_t size, xfs_km_flags_t); -extern void *kmem_realloc(const void *, size_t, xfs_km_flags_t); static inline void kmem_free(const void *ptr) { =09kvfree(ptr); diff --git a/fs/xfs/libxfs/xfs_iext_tree.c b/fs/xfs/libxfs/xfs_iext_tree.c index f2005671e86c..a929ea0b09b7 100644 --- a/fs/xfs/libxfs/xfs_iext_tree.c +++ b/fs/xfs/libxfs/xfs_iext_tree.c @@ -607,7 +607,7 @@ xfs_iext_realloc_root( =09if (new_size / sizeof(struct xfs_iext_rec) =3D=3D RECS_PER_LEAF) =09=09new_size =3D NODE_SIZE; =20 -=09new =3D kmem_realloc(ifp->if_u1.if_root, new_size, KM_NOFS); +=09new =3D krealloc(ifp->if_u1.if_root, new_size, GFP_NOFS | __GFP_NOFAIL)= ; =09memset(new + ifp->if_bytes, 0, new_size - ifp->if_bytes); =09ifp->if_u1.if_root =3D new; =09cur->leaf =3D new; diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.= c index 2bffaa31d62a..34c336f45796 100644 --- a/fs/xfs/libxfs/xfs_inode_fork.c +++ b/fs/xfs/libxfs/xfs_inode_fork.c @@ -387,8 +387,8 @@ xfs_iroot_realloc( =09=09cur_max =3D xfs_bmbt_maxrecs(mp, ifp->if_broot_bytes, 0); =09=09new_max =3D cur_max + rec_diff; =09=09new_size =3D XFS_BMAP_BROOT_SPACE_CALC(mp, new_max); -=09=09ifp->if_broot =3D kmem_realloc(ifp->if_broot, new_size, -=09=09=09=09KM_NOFS); +=09=09ifp->if_broot =3D krealloc(ifp->if_broot, new_size, +=09=09=09=09GFP_NOFS | __GFP_NOFAIL); =09=09op =3D (char *)XFS_BMAP_BROOT_PTR_ADDR(mp, ifp->if_broot, 1, =09=09=09=09=09=09 ifp->if_broot_bytes); =09=09np =3D (char *)XFS_BMAP_BROOT_PTR_ADDR(mp, ifp->if_broot, 1, @@ -497,8 +497,8 @@ xfs_idata_realloc( =09 * in size so that it can be logged and stay on word boundaries. =09 * We enforce that here. =09 */ -=09ifp->if_u1.if_data =3D kmem_realloc(ifp->if_u1.if_data, -=09=09=09roundup(new_size, 4), KM_NOFS); +=09ifp->if_u1.if_data =3D krealloc(ifp->if_u1.if_data, roundup(new_size, 4= ), +=09=09=09=09 GFP_NOFS | __GFP_NOFAIL); =09ifp->if_bytes =3D new_size; } =20 diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index bc5c0aef051c..a7f1dcecc640 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -4211,7 +4211,7 @@ xlog_recover_add_to_cont_trans( =09old_ptr =3D item->ri_buf[item->ri_cnt-1].i_addr; =09old_len =3D item->ri_buf[item->ri_cnt-1].i_len; =20 -=09ptr =3D kmem_realloc(old_ptr, len + old_len, 0); +=09ptr =3D krealloc(old_ptr, len + old_len, GFP_KERNEL | __GFP_NOFAIL); =09memcpy(&ptr[old_len], dp, len); =09item->ri_buf[item->ri_cnt-1].i_len +=3D len; =09item->ri_buf[item->ri_cnt-1].i_addr =3D ptr; diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 91a5354f20fb..a14046314c1f 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -80,9 +80,9 @@ xfs_uuid_mount( =09} =20 =09if (hole < 0) { -=09=09xfs_uuid_table =3D kmem_realloc(xfs_uuid_table, +=09=09xfs_uuid_table =3D krealloc(xfs_uuid_table, =09=09=09(xfs_uuid_table_size + 1) * sizeof(*xfs_uuid_table), -=09=09=090); +=09=09=09GFP_KERNEL | __GFP_NOFAIL); =09=09hole =3D xfs_uuid_table_size++; =09} =09xfs_uuid_table[hole] =3D *uuid; --=20 2.23.0