Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934492Ab2J3UPl (ORCPT ); Tue, 30 Oct 2012 16:15:41 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50701 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965559Ab2J3UPd (ORCPT ); Tue, 30 Oct 2012 16:15:33 -0400 From: Jeff Moyer To: linux-kernel@vger.kernel.org Cc: David Howells , Alexander Viro , Chris Mason , Steve French , Mark Fasheh , Joel Becker , Matthew Wilcox , linux-afs@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, ocfs2-devel@oss.oracle.com Subject: [patch 05/10] vfs: pass data to alloc_inode super operation Date: Tue, 30 Oct 2012 16:14:39 -0400 Message-Id: <1351628084-29358-8-git-send-email-jmoyer@redhat.com> In-Reply-To: <1351628084-29358-1-git-send-email-jmoyer@redhat.com> References: <1351628084-29358-1-git-send-email-jmoyer@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 7285 Lines: 214 This patch passes a data pointer along to the alloc_inode super_operations function. The value will initially be used by bdev_alloc_inode to allocate the bdev_inode on the same numa node as the device to which it is tied. Signed-off-by: Jeff Moyer --- fs/afs/super.c | 5 +++-- fs/block_dev.c | 17 +++++++++++++++-- fs/btrfs/ctree.h | 2 +- fs/btrfs/inode.c | 3 ++- fs/cifs/cifsfs.c | 2 +- fs/inode.c | 10 +++++----- fs/ocfs2/dlmfs/dlmfs.c | 3 ++- fs/ocfs2/super.c | 5 +++-- include/linux/fs.h | 2 +- 9 files changed, 33 insertions(+), 16 deletions(-) diff --git a/fs/afs/super.c b/fs/afs/super.c index 4316500..e242661 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -32,7 +32,7 @@ static void afs_i_init_once(void *foo); static struct dentry *afs_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data); static void afs_kill_super(struct super_block *sb); -static struct inode *afs_alloc_inode(struct super_block *sb); +static struct inode *afs_alloc_inode(struct super_block *sb, void *data); static void afs_destroy_inode(struct inode *inode); static int afs_statfs(struct dentry *dentry, struct kstatfs *buf); @@ -470,7 +470,8 @@ static void afs_i_init_once(void *_vnode) /* * allocate an AFS inode struct from our slab cache */ -static struct inode *afs_alloc_inode(struct super_block *sb) +static struct inode *afs_alloc_inode(struct super_block *sb, + void * __attribute__((unused))data) { struct afs_vnode *vnode; diff --git a/fs/block_dev.c b/fs/block_dev.c index b3c1d3d..c366fb2 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -454,9 +454,22 @@ EXPORT_SYMBOL(blkdev_fsync); static __cacheline_aligned_in_smp DEFINE_SPINLOCK(bdev_lock); static struct kmem_cache * bdev_cachep __read_mostly; -static struct inode *bdev_alloc_inode(struct super_block *sb) +static struct inode *bdev_alloc_inode(struct super_block *sb, void *data) { - struct bdev_inode *ei = kmem_cache_alloc(bdev_cachep, GFP_KERNEL); + struct bdev_inode *ei; + int partno; + int node; + + if (data) { + struct gendisk *disk; + dev_t dev = *(dev_t *)data; + disk = get_gendisk(dev, &partno); + node = disk->node_id; + put_disk(disk); + } else + node = -1; + + ei = kmem_cache_alloc_node(bdev_cachep, GFP_KERNEL, node); if (!ei) return NULL; diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 926c9ff..0736131 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3324,7 +3324,7 @@ int btrfs_readpage(struct file *file, struct page *page); void btrfs_evict_inode(struct inode *inode); int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc); int btrfs_dirty_inode(struct inode *inode); -struct inode *btrfs_alloc_inode(struct super_block *sb); +struct inode *btrfs_alloc_inode(struct super_block *sb, void *data); void btrfs_destroy_inode(struct inode *inode); int btrfs_drop_inode(struct inode *inode); int btrfs_init_cachep(void); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 85a1e50..d4b42d0 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -7057,7 +7057,8 @@ int btrfs_create_subvol_root(struct btrfs_trans_handle *trans, return err; } -struct inode *btrfs_alloc_inode(struct super_block *sb) +struct inode *btrfs_alloc_inode(struct super_block *sb, + void * __attribute__((unused))data) { struct btrfs_inode *ei; struct inode *inode; diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index e7931cc..2e67ed7 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -215,7 +215,7 @@ mempool_t *cifs_req_poolp; mempool_t *cifs_mid_poolp; static struct inode * -cifs_alloc_inode(struct super_block *sb) +cifs_alloc_inode(struct super_block *sb, void * __attribute__((unused)) data) { struct cifsInodeInfo *cifs_inode; cifs_inode = kmem_cache_alloc(cifs_inode_cachep, GFP_KERNEL); diff --git a/fs/inode.c b/fs/inode.c index b03c719..bb7e273 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -199,12 +199,12 @@ out: } EXPORT_SYMBOL(inode_init_always); -static struct inode *alloc_inode(struct super_block *sb) +static struct inode *alloc_inode(struct super_block *sb, void *data) { struct inode *inode; if (sb->s_op->alloc_inode) - inode = sb->s_op->alloc_inode(sb); + inode = sb->s_op->alloc_inode(sb, data); else inode = kmem_cache_alloc(inode_cachep, GFP_KERNEL); @@ -892,7 +892,7 @@ EXPORT_SYMBOL(get_next_ino); */ struct inode *new_inode_pseudo(struct super_block *sb) { - struct inode *inode = alloc_inode(sb); + struct inode *inode = alloc_inode(sb, NULL); if (inode) { spin_lock(&inode->i_lock); @@ -1004,7 +1004,7 @@ struct inode *iget5_locked(struct super_block *sb, unsigned long hashval, return inode; } - inode = alloc_inode(sb); + inode = alloc_inode(sb, data); if (inode) { struct inode *old; @@ -1073,7 +1073,7 @@ struct inode *iget_locked(struct super_block *sb, unsigned long ino) return inode; } - inode = alloc_inode(sb); + inode = alloc_inode(sb, NULL); if (inode) { struct inode *old; diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c index 16b712d..a322984 100644 --- a/fs/ocfs2/dlmfs/dlmfs.c +++ b/fs/ocfs2/dlmfs/dlmfs.c @@ -340,7 +340,8 @@ static void dlmfs_init_once(void *foo) inode_init_once(&ip->ip_vfs_inode); } -static struct inode *dlmfs_alloc_inode(struct super_block *sb) +static struct inode *dlmfs_alloc_inode(struct super_block *sb, + void *__attribute__((unused)) data) { struct dlmfs_inode_private *ip; diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 0e91ec2..ada4a81 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -137,7 +137,7 @@ static int ocfs2_get_sector(struct super_block *sb, struct buffer_head **bh, int block, int sect_size); -static struct inode *ocfs2_alloc_inode(struct super_block *sb); +static struct inode *ocfs2_alloc_inode(struct super_block *sb, void *data); static void ocfs2_destroy_inode(struct inode *inode); static int ocfs2_susp_quotas(struct ocfs2_super *osb, int unsuspend); static int ocfs2_enable_quotas(struct ocfs2_super *osb); @@ -554,7 +554,8 @@ static void ocfs2_release_system_inodes(struct ocfs2_super *osb) } /* We're allocating fs objects, use GFP_NOFS */ -static struct inode *ocfs2_alloc_inode(struct super_block *sb) +static struct inode *ocfs2_alloc_inode(struct super_block *sb, + void *__attribute__((unused))data) { struct ocfs2_inode_info *oi; diff --git a/include/linux/fs.h b/include/linux/fs.h index b33cfc9..240b298 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1595,7 +1595,7 @@ extern ssize_t vfs_writev(struct file *, const struct iovec __user *, unsigned long, loff_t *); struct super_operations { - struct inode *(*alloc_inode)(struct super_block *sb); + struct inode *(*alloc_inode)(struct super_block *sb, void *data); void (*destroy_inode)(struct inode *); void (*dirty_inode) (struct inode *, int flags); -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/