diff options
Diffstat (limited to 'fs/hfsplus/dir.c')
| -rw-r--r-- | fs/hfsplus/dir.c | 64 |
1 files changed, 30 insertions, 34 deletions
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c index 031c24e..d8ce4bd 100644 --- a/fs/hfsplus/dir.c +++ b/fs/hfsplus/dir.c @@ -103,7 +103,7 @@ again: } else if (!dentry->d_fsdata) dentry->d_fsdata = (void *)(unsigned long)cnid; } else { - printk(KERN_ERR "hfs: invalid catalog entry type in lookup\n"); + pr_err("invalid catalog entry type in lookup\n"); err = -EIO; goto fail; } @@ -121,9 +121,9 @@ fail: return ERR_PTR(err); } -static int hfsplus_readdir(struct file *filp, void *dirent, filldir_t filldir) +static int hfsplus_readdir(struct file *file, struct dir_context *ctx) { - struct inode *inode = file_inode(filp); + struct inode *inode = file_inode(file); struct super_block *sb = inode->i_sb; int len, err; char strbuf[HFSPLUS_MAX_STRLEN + 1]; @@ -132,7 +132,7 @@ static int hfsplus_readdir(struct file *filp, void *dirent, filldir_t filldir) struct hfsplus_readdir_data *rd; u16 type; - if (filp->f_pos >= inode->i_size) + if (file->f_pos >= inode->i_size) return 0; err = hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); @@ -143,14 +143,13 @@ static int hfsplus_readdir(struct file *filp, void *dirent, filldir_t filldir) if (err) goto out; - switch ((u32)filp->f_pos) { - case 0: + if (ctx->pos == 0) { /* This is completely artificial... */ - if (filldir(dirent, ".", 1, 0, inode->i_ino, DT_DIR)) + if (!dir_emit_dot(file, ctx)) goto out; - filp->f_pos++; - /* fall through */ - case 1: + ctx->pos = 1; + } + if (ctx->pos == 1) { if (fd.entrylength > sizeof(entry) || fd.entrylength < 0) { err = -EIO; goto out; @@ -159,31 +158,28 @@ static int hfsplus_readdir(struct file *filp, void *dirent, filldir_t filldir) hfs_bnode_read(fd.bnode, &entry, fd.entryoffset, fd.entrylength); if (be16_to_cpu(entry.type) != HFSPLUS_FOLDER_THREAD) { - printk(KERN_ERR "hfs: bad catalog folder thread\n"); + pr_err("bad catalog folder thread\n"); err = -EIO; goto out; } if (fd.entrylength < HFSPLUS_MIN_THREAD_SZ) { - printk(KERN_ERR "hfs: truncated catalog thread\n"); + pr_err("truncated catalog thread\n"); err = -EIO; goto out; } - if (filldir(dirent, "..", 2, 1, + if (!dir_emit(ctx, "..", 2, be32_to_cpu(entry.thread.parentID), DT_DIR)) goto out; - filp->f_pos++; - /* fall through */ - default: - if (filp->f_pos >= inode->i_size) - goto out; - err = hfs_brec_goto(&fd, filp->f_pos - 1); - if (err) - goto out; + ctx->pos = 2; } - + if (ctx->pos >= inode->i_size) + goto out; + err = hfs_brec_goto(&fd, ctx->pos - 1); + if (err) + goto out; for (;;) { if (be32_to_cpu(fd.key->cat.parent) != inode->i_ino) { - printk(KERN_ERR "hfs: walked past end of dir\n"); + pr_err("walked past end of dir\n"); err = -EIO; goto out; } @@ -203,7 +199,7 @@ static int hfsplus_readdir(struct file *filp, void *dirent, filldir_t filldir) if (type == HFSPLUS_FOLDER) { if (fd.entrylength < sizeof(struct hfsplus_cat_folder)) { - printk(KERN_ERR "hfs: small dir entry\n"); + pr_err("small dir entry\n"); err = -EIO; goto out; } @@ -211,40 +207,40 @@ static int hfsplus_readdir(struct file *filp, void *dirent, filldir_t filldir) HFSPLUS_SB(sb)->hidden_dir->i_ino == be32_to_cpu(entry.folder.id)) goto next; - if (filldir(dirent, strbuf, len, filp->f_pos, + if (!dir_emit(ctx, strbuf, len, be32_to_cpu(entry.folder.id), DT_DIR)) break; } else if (type == HFSPLUS_FILE) { if (fd.entrylength < sizeof(struct hfsplus_cat_file)) { - printk(KERN_ERR "hfs: small file entry\n"); + pr_err("small file entry\n"); err = -EIO; goto out; } - if (filldir(dirent, strbuf, len, filp->f_pos, + if (!dir_emit(ctx, strbuf, len, be32_to_cpu(entry.file.id), DT_REG)) break; } else { - printk(KERN_ERR "hfs: bad catalog entry type\n"); + pr_err("bad catalog entry type\n"); err = -EIO; goto out; } next: - filp->f_pos++; - if (filp->f_pos >= inode->i_size) + ctx->pos++; + if (ctx->pos >= inode->i_size) goto out; err = hfs_brec_goto(&fd, 1); if (err) goto out; } - rd = filp->private_data; + rd = file->private_data; if (!rd) { rd = kmalloc(sizeof(struct hfsplus_readdir_data), GFP_KERNEL); if (!rd) { err = -ENOMEM; goto out; } - filp->private_data = rd; - rd->file = filp; + file->private_data = rd; + rd->file = file; list_add(&rd->list, &HFSPLUS_I(inode)->open_dir_list); } memcpy(&rd->key, fd.key, sizeof(struct hfsplus_cat_key)); @@ -538,7 +534,7 @@ const struct inode_operations hfsplus_dir_inode_operations = { const struct file_operations hfsplus_dir_operations = { .fsync = hfsplus_file_fsync, .read = generic_read_dir, - .readdir = hfsplus_readdir, + .iterate = hfsplus_readdir, .unlocked_ioctl = hfsplus_ioctl, .llseek = generic_file_llseek, .release = hfsplus_dir_release, |
