diff options
Diffstat (limited to 'fs/jffs2')
| -rw-r--r-- | fs/jffs2/dir.c | 6 | ||||
| -rw-r--r-- | fs/jffs2/fs.c | 56 | ||||
| -rw-r--r-- | fs/jffs2/os-linux.h | 2 | ||||
| -rw-r--r-- | fs/jffs2/super.c | 1 |
4 files changed, 39 insertions, 26 deletions
diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c index 787e392ffd4..f948f7e6ec8 100644 --- a/fs/jffs2/dir.c +++ b/fs/jffs2/dir.c @@ -101,10 +101,10 @@ static struct dentry *jffs2_lookup(struct inode *dir_i, struct dentry *target, ino = fd->ino; up(&dir_f->sem); if (ino) { - inode = iget(dir_i->i_sb, ino); - if (!inode) { + inode = jffs2_iget(dir_i->i_sb, ino); + if (IS_ERR(inode)) { printk(KERN_WARNING "iget() failed for ino #%u\n", ino); - return (ERR_PTR(-EIO)); + return ERR_CAST(inode); } } diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c index d2e06f7ea96..6d1eaddde0e 100644 --- a/fs/jffs2/fs.c +++ b/fs/jffs2/fs.c @@ -230,16 +230,23 @@ void jffs2_clear_inode (struct inode *inode) jffs2_do_clear_inode(c, f); } -void jffs2_read_inode (struct inode *inode) +struct inode *jffs2_iget(struct super_block *sb, unsigned long ino) { struct jffs2_inode_info *f; struct jffs2_sb_info *c; struct jffs2_raw_inode latest_node; union jffs2_device_node jdev; + struct inode *inode; dev_t rdev = 0; int ret; - D1(printk(KERN_DEBUG "jffs2_read_inode(): inode->i_ino == %lu\n", inode->i_ino)); + D1(printk(KERN_DEBUG "jffs2_iget(): ino == %lu\n", ino)); + + inode = iget_locked(sb, ino); + if (!inode) + return ERR_PTR(-ENOMEM); + if (!(inode->i_state & I_NEW)) + return inode; f = JFFS2_INODE_INFO(inode); c = JFFS2_SB_INFO(inode->i_sb); @@ -250,9 +257,9 @@ void jffs2_read_inode (struct inode *inode) ret = jffs2_do_read_inode(c, f, inode->i_ino, &latest_node); if (ret) { - make_bad_inode(inode); up(&f->sem); - return; + iget_failed(inode); + return ERR_PTR(ret); } inode->i_mode = jemode_to_cpu(latest_node.mode); inode->i_uid = je16_to_cpu(latest_node.uid); @@ -303,19 +310,14 @@ void jffs2_read_inode (struct inode *inode) if (f->metadata->size != sizeof(jdev.old) && f->metadata->size != sizeof(jdev.new)) { printk(KERN_NOTICE "Device node has strange size %d\n", f->metadata->size); - up(&f->sem); - jffs2_do_clear_inode(c, f); - make_bad_inode(inode); - return; + goto error_io; } D1(printk(KERN_DEBUG "Reading device numbers from flash\n")); - if (jffs2_read_dnode(c, f, f->metadata, (char *)&jdev, 0, f->metadata->size) < 0) { + ret = jffs2_read_dnode(c, f, f->metadata, (char *)&jdev, 0, f->metadata->size); + if (ret < 0) { /* Eep */ printk(KERN_NOTICE "Read device numbers for inode %lu failed\n", (unsigned long)inode->i_ino); - up(&f->sem); - jffs2_do_clear_inode(c, f); - make_bad_inode(inode); - return; + goto error; } if (f->metadata->size == sizeof(jdev.old)) rdev = old_decode_dev(je16_to_cpu(jdev.old)); @@ -335,6 +337,16 @@ void jffs2_read_inode (struct inode *inode) up(&f->sem); D1(printk(KERN_DEBUG "jffs2_read_inode() returning\n")); + unlock_new_inode(inode); + return inode; + +error_io: + ret = -EIO; +error: + up(&f->sem); + jffs2_do_clear_inode(c, f); + iget_failed(inode); + return ERR_PTR(ret); } void jffs2_dirty_inode(struct inode *inode) @@ -522,15 +534,16 @@ int jffs2_do_fill_super(struct super_block *sb, void *data, int silent) if ((ret = jffs2_do_mount_fs(c))) goto out_inohash; - ret = -EINVAL; - D1(printk(KERN_DEBUG "jffs2_do_fill_super(): Getting root inode\n")); - root_i = iget(sb, 1); - if (is_bad_inode(root_i)) { + root_i = jffs2_iget(sb, 1); + if (IS_ERR(root_i)) { D1(printk(KERN_WARNING "get root inode failed\n")); - goto out_root_i; + ret = PTR_ERR(root_i); + goto out_root; } + ret = -ENOMEM; + D1(printk(KERN_DEBUG "jffs2_do_fill_super(): d_alloc_root()\n")); sb->s_root = d_alloc_root(root_i); if (!sb->s_root) @@ -546,6 +559,7 @@ int jffs2_do_fill_super(struct super_block *sb, void *data, int silent) out_root_i: iput(root_i); +out_root: jffs2_free_ino_caches(c); jffs2_free_raw_node_refs(c); if (jffs2_blocks_use_vmalloc(c)) @@ -615,9 +629,9 @@ struct jffs2_inode_info *jffs2_gc_fetch_inode(struct jffs2_sb_info *c, jffs2_do_unlink() would need the alloc_sem and we have it. Just iget() it, and if read_inode() is necessary that's OK. */ - inode = iget(OFNI_BS_2SFFJ(c), inum); - if (!inode) - return ERR_PTR(-ENOMEM); + inode = jffs2_iget(OFNI_BS_2SFFJ(c), inum); + if (IS_ERR(inode)) + return ERR_CAST(inode); } if (is_bad_inode(inode)) { printk(KERN_NOTICE "Eep. read_inode() failed for ino #%u. nlink %d\n", diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h index bf64686cf09..1b10d259409 100644 --- a/fs/jffs2/os-linux.h +++ b/fs/jffs2/os-linux.h @@ -175,7 +175,7 @@ extern const struct inode_operations jffs2_symlink_inode_operations; /* fs.c */ int jffs2_setattr (struct dentry *, struct iattr *); int jffs2_do_setattr (struct inode *, struct iattr *); -void jffs2_read_inode (struct inode *); +struct inode *jffs2_iget(struct super_block *, unsigned long); void jffs2_clear_inode (struct inode *); void jffs2_dirty_inode(struct inode *inode); struct inode *jffs2_new_inode (struct inode *dir_i, int mode, diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c index ffa447511e6..4677355996c 100644 --- a/fs/jffs2/super.c +++ b/fs/jffs2/super.c @@ -65,7 +65,6 @@ static const struct super_operations jffs2_super_operations = { .alloc_inode = jffs2_alloc_inode, .destroy_inode =jffs2_destroy_inode, - .read_inode = jffs2_read_inode, .put_super = jffs2_put_super, .write_super = jffs2_write_super, .statfs = jffs2_statfs, |