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author | Al Viro <viro@zeniv.linux.org.uk> | 2013-05-22 14:29:35 -0400 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-06-29 12:56:55 +0400 |
commit | 002f8bec854432db56f30121325867db6e248a03 (patch) | |
tree | 70d3321bc6263f7a90848bc98253252379b9e7bd /fs/hfs/dir.c | |
parent | f0f49ef5ce0a9393a084073ad4cbdf30464ad896 (diff) | |
download | talos-obmc-linux-002f8bec854432db56f30121325867db6e248a03.tar.gz talos-obmc-linux-002f8bec854432db56f30121325867db6e248a03.zip |
[readdir] convert hfs
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/hfs/dir.c')
-rw-r--r-- | fs/hfs/dir.c | 49 |
1 files changed, 23 insertions, 26 deletions
diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c index e0101b6fb0d7..145566851e7a 100644 --- a/fs/hfs/dir.c +++ b/fs/hfs/dir.c @@ -51,9 +51,9 @@ done: /* * hfs_readdir */ -static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir) +static int hfs_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[HFS_MAX_NAMELEN]; @@ -62,7 +62,7 @@ static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir) struct hfs_readdir_data *rd; u16 type; - if (filp->f_pos >= inode->i_size) + if (ctx->pos >= inode->i_size) return 0; err = hfs_find_init(HFS_SB(sb)->cat_tree, &fd); @@ -73,14 +73,13 @@ static int hfs_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; @@ -97,18 +96,16 @@ static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir) // err = -EIO; // goto out; //} - if (filldir(dirent, "..", 2, 1, + if (!dir_emit(ctx, "..", 2, be32_to_cpu(entry.thread.ParID), 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.ParID) != inode->i_ino) { @@ -131,7 +128,7 @@ static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir) err = -EIO; goto out; } - if (filldir(dirent, strbuf, len, filp->f_pos, + if (!dir_emit(ctx, strbuf, len, be32_to_cpu(entry.dir.DirID), DT_DIR)) break; } else if (type == HFS_CDR_FIL) { @@ -140,7 +137,7 @@ static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir) err = -EIO; goto out; } - if (filldir(dirent, strbuf, len, filp->f_pos, + if (!dir_emit(ctx, strbuf, len, be32_to_cpu(entry.file.FlNum), DT_REG)) break; } else { @@ -148,22 +145,22 @@ static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir) err = -EIO; goto out; } - 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 hfs_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, &HFS_I(inode)->open_dir_list); } memcpy(&rd->key, &fd.key, sizeof(struct hfs_cat_key)); @@ -306,7 +303,7 @@ static int hfs_rename(struct inode *old_dir, struct dentry *old_dentry, const struct file_operations hfs_dir_operations = { .read = generic_read_dir, - .readdir = hfs_readdir, + .iterate = hfs_readdir, .llseek = generic_file_llseek, .release = hfs_dir_release, }; |