From 8985f53ee2eaa503c22e2fc90e81b1fb8e547ab4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Krzysztof=20B=C5=82aszkowski?= Date: Wed, 1 Jun 2016 08:56:04 +0200 Subject: freevxfs: move VFS inode allocation into vxfs_blkiget and vxfs_stiget MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Krzysztof Błaszkowski [hch: split from a larger patch] Signed-off-by: Christoph Hellwig --- fs/freevxfs/vxfs_extern.h | 8 +++----- fs/freevxfs/vxfs_fshead.c | 33 ++++++++------------------------- fs/freevxfs/vxfs_inode.c | 27 ++++++++++++++++++++------- 3 files changed, 31 insertions(+), 37 deletions(-) (limited to 'fs/freevxfs') diff --git a/fs/freevxfs/vxfs_extern.h b/fs/freevxfs/vxfs_extern.h index b59df79..2ec8c0f 100644 --- a/fs/freevxfs/vxfs_extern.h +++ b/fs/freevxfs/vxfs_extern.h @@ -54,11 +54,9 @@ extern int vxfs_read_fshead(struct super_block *); extern const struct address_space_operations vxfs_immed_aops; extern struct kmem_cache *vxfs_inode_cachep; extern void vxfs_dumpi(struct vxfs_inode_info *, ino_t); -extern struct inode * vxfs_get_fake_inode(struct super_block *, - struct vxfs_inode_info *); -extern struct vxfs_inode_info * vxfs_blkiget(struct super_block *, u_long, ino_t); -extern struct vxfs_inode_info * vxfs_stiget(struct super_block *, ino_t); -extern struct inode * vxfs_iget(struct super_block *, ino_t); +extern struct inode *vxfs_blkiget(struct super_block *, u_long, ino_t); +extern struct inode *vxfs_stiget(struct super_block *, ino_t); +extern struct inode *vxfs_iget(struct super_block *, ino_t); extern void vxfs_evict_inode(struct inode *); /* vxfs_lookup.c */ diff --git a/fs/freevxfs/vxfs_fshead.c b/fs/freevxfs/vxfs_fshead.c index e7501cb..2651b42 100644 --- a/fs/freevxfs/vxfs_fshead.c +++ b/fs/freevxfs/vxfs_fshead.c @@ -108,31 +108,26 @@ vxfs_read_fshead(struct super_block *sbp) { struct vxfs_sb_info *infp = VXFS_SBI(sbp); struct vxfs_fsh *pfp, *sfp; - struct vxfs_inode_info *vip, *tip; + struct vxfs_inode_info *vip; - vip = vxfs_blkiget(sbp, infp->vsi_iext, infp->vsi_fshino); - if (!vip) { + infp->vsi_fship = vxfs_blkiget(sbp, infp->vsi_iext, infp->vsi_fshino); + if (!infp->vsi_fship) { printk(KERN_ERR "vxfs: unable to read fsh inode\n"); return -EINVAL; } + + vip = VXFS_INO(infp->vsi_fship); if (!VXFS_ISFSH(vip)) { printk(KERN_ERR "vxfs: fsh list inode is of wrong type (%x)\n", vip->vii_mode & VXFS_TYPE_MASK); - goto out_free_fship; + goto out_iput_fship; } - #ifdef DIAGNOSTIC printk("vxfs: fsh inode dump:\n"); vxfs_dumpi(vip, infp->vsi_fshino); #endif - infp->vsi_fship = vxfs_get_fake_inode(sbp, vip); - if (!infp->vsi_fship) { - printk(KERN_ERR "vxfs: unable to get fsh inode\n"); - goto out_free_fship; - } - sfp = vxfs_getfsh(infp->vsi_fship, 0); if (!sfp) { printk(KERN_ERR "vxfs: unable to get structural fsh\n"); @@ -153,15 +148,10 @@ vxfs_read_fshead(struct super_block *sbp) vxfs_dumpfsh(pfp); #endif - tip = vxfs_blkiget(sbp, infp->vsi_iext, + infp->vsi_stilist = vxfs_blkiget(sbp, infp->vsi_iext, fs32_to_cpu(infp, sfp->fsh_ilistino[0])); - if (!tip) - goto out_free_pfp; - - infp->vsi_stilist = vxfs_get_fake_inode(sbp, tip); if (!infp->vsi_stilist) { printk(KERN_ERR "vxfs: unable to get structural list inode\n"); - kfree(tip); goto out_free_pfp; } if (!VXFS_ISILT(VXFS_INO(infp->vsi_stilist))) { @@ -170,13 +160,9 @@ vxfs_read_fshead(struct super_block *sbp) goto out_iput_stilist; } - tip = vxfs_stiget(sbp, fs32_to_cpu(infp, pfp->fsh_ilistino[0])); - if (!tip) - goto out_iput_stilist; - infp->vsi_ilist = vxfs_get_fake_inode(sbp, tip); + infp->vsi_ilist = vxfs_stiget(sbp, fs32_to_cpu(infp, pfp->fsh_ilistino[0])); if (!infp->vsi_ilist) { printk(KERN_ERR "vxfs: unable to get inode list inode\n"); - kfree(tip); goto out_iput_stilist; } if (!VXFS_ISILT(VXFS_INO(infp->vsi_ilist))) { @@ -198,7 +184,4 @@ vxfs_read_fshead(struct super_block *sbp) out_iput_fship: iput(infp->vsi_fship); return -EINVAL; - out_free_fship: - kfree(vip); - return -EINVAL; } diff --git a/fs/freevxfs/vxfs_inode.c b/fs/freevxfs/vxfs_inode.c index 6087ca7..7b5de83 100644 --- a/fs/freevxfs/vxfs_inode.c +++ b/fs/freevxfs/vxfs_inode.c @@ -44,6 +44,8 @@ struct kmem_cache *vxfs_inode_cachep; +static struct inode * vxfs_get_fake_inode(struct super_block *, + struct vxfs_inode_info *); #ifdef DIAGNOSTIC /* @@ -112,10 +114,11 @@ static inline void dip2vip_cpy(struct vxfs_sb_info *sbi, * buffercache. This function should not be used outside the * read_super() method, otherwise the data may be incoherent. */ -struct vxfs_inode_info * +struct inode * vxfs_blkiget(struct super_block *sbp, u_long extent, ino_t ino) { struct buffer_head *bp; + struct inode *inode; u_long block, offset; block = extent + ((ino * VXFS_ISIZE) / sbp->s_blocksize); @@ -134,7 +137,11 @@ vxfs_blkiget(struct super_block *sbp, u_long extent, ino_t ino) vxfs_dumpi(vip, ino); #endif brelse(bp); - return (vip); + + inode = vxfs_get_fake_inode(sbp, vip); + if (!inode) + kmem_cache_free(vxfs_inode_cachep, vip); + return inode; } fail: @@ -152,7 +159,7 @@ fail: * Description: * Search the for inode number @ino in the filesystem * described by @sbp. Use the specified inode table (@ilistp). - * Returns the matching VxFS inode on success, else an error code. + * Returns the matching inode on success, else an error code. */ static struct vxfs_inode_info * __vxfs_iget(ino_t ino, struct inode *ilistp) @@ -196,15 +203,21 @@ fail: * Description: * Find inode @ino in the filesystem described by @sbp using * the structural inode list. - * Returns the matching VxFS inode on success, else a NULL pointer. + * Returns the matching inode on success, else a NULL pointer. */ -struct vxfs_inode_info * +struct inode * vxfs_stiget(struct super_block *sbp, ino_t ino) { struct vxfs_inode_info *vip; + struct inode *inode; vip = __vxfs_iget(ino, VXFS_SBI(sbp)->vsi_stilist); - return IS_ERR(vip) ? NULL : vip; + if (IS_ERR(vip)) + return NULL; + inode = vxfs_get_fake_inode(sbp, vip); + if (!inode) + kmem_cache_free(vxfs_inode_cachep, vip); + return inode; } /** @@ -282,7 +295,7 @@ vxfs_iinit(struct inode *ip, struct vxfs_inode_info *vip) * superblock, vxfs_inode pair. * Returns the filled VFS inode. */ -struct inode * +static struct inode * vxfs_get_fake_inode(struct super_block *sbp, struct vxfs_inode_info *vip) { struct inode *ip = NULL; -- cgit v1.1