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-rw-r--r--fs/bfs/dir.c35
1 files changed, 14 insertions, 21 deletions
diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index 3f422f6bb5ca..a399e6d9dc74 100644
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -26,58 +26,51 @@ static struct buffer_head *bfs_find_entry(struct inode *dir,
26 const unsigned char *name, int namelen, 26 const unsigned char *name, int namelen,
27 struct bfs_dirent **res_dir); 27 struct bfs_dirent **res_dir);
28 28
29static int bfs_readdir(struct file *f, void *dirent, filldir_t filldir) 29static int bfs_readdir(struct file *f, struct dir_context *ctx)
30{ 30{
31 struct inode *dir = file_inode(f); 31 struct inode *dir = file_inode(f);
32 struct buffer_head *bh; 32 struct buffer_head *bh;
33 struct bfs_dirent *de; 33 struct bfs_dirent *de;
34 struct bfs_sb_info *info = BFS_SB(dir->i_sb);
35 unsigned int offset; 34 unsigned int offset;
36 int block; 35 int block;
37 36
38 mutex_lock(&info->bfs_lock); 37 if (ctx->pos & (BFS_DIRENT_SIZE - 1)) {
39
40 if (f->f_pos & (BFS_DIRENT_SIZE - 1)) {
41 printf("Bad f_pos=%08lx for %s:%08lx\n", 38 printf("Bad f_pos=%08lx for %s:%08lx\n",
42 (unsigned long)f->f_pos, 39 (unsigned long)ctx->pos,
43 dir->i_sb->s_id, dir->i_ino); 40 dir->i_sb->s_id, dir->i_ino);
44 mutex_unlock(&info->bfs_lock); 41 return -EINVAL;
45 return -EBADF;
46 } 42 }
47 43
48 while (f->f_pos < dir->i_size) { 44 while (ctx->pos < dir->i_size) {
49 offset = f->f_pos & (BFS_BSIZE - 1); 45 offset = ctx->pos & (BFS_BSIZE - 1);
50 block = BFS_I(dir)->i_sblock + (f->f_pos >> BFS_BSIZE_BITS); 46 block = BFS_I(dir)->i_sblock + (ctx->pos >> BFS_BSIZE_BITS);
51 bh = sb_bread(dir->i_sb, block); 47 bh = sb_bread(dir->i_sb, block);
52 if (!bh) { 48 if (!bh) {
53 f->f_pos += BFS_BSIZE - offset; 49 ctx->pos += BFS_BSIZE - offset;
54 continue; 50 continue;
55 } 51 }
56 do { 52 do {
57 de = (struct bfs_dirent *)(bh->b_data + offset); 53 de = (struct bfs_dirent *)(bh->b_data + offset);
58 if (de->ino) { 54 if (de->ino) {
59 int size = strnlen(de->name, BFS_NAMELEN); 55 int size = strnlen(de->name, BFS_NAMELEN);
60 if (filldir(dirent, de->name, size, f->f_pos, 56 if (!dir_emit(ctx, de->name, size,
61 le16_to_cpu(de->ino), 57 le16_to_cpu(de->ino),
62 DT_UNKNOWN) < 0) { 58 DT_UNKNOWN)) {
63 brelse(bh); 59 brelse(bh);
64 mutex_unlock(&info->bfs_lock);
65 return 0; 60 return 0;
66 } 61 }
67 } 62 }
68 offset += BFS_DIRENT_SIZE; 63 offset += BFS_DIRENT_SIZE;
69 f->f_pos += BFS_DIRENT_SIZE; 64 ctx->pos += BFS_DIRENT_SIZE;
70 } while ((offset < BFS_BSIZE) && (f->f_pos < dir->i_size)); 65 } while ((offset < BFS_BSIZE) && (ctx->pos < dir->i_size));
71 brelse(bh); 66 brelse(bh);
72 } 67 }
73 68 return 0;
74 mutex_unlock(&info->bfs_lock);
75 return 0;
76} 69}
77 70
78const struct file_operations bfs_dir_operations = { 71const struct file_operations bfs_dir_operations = {
79 .read = generic_read_dir, 72 .read = generic_read_dir,
80 .readdir = bfs_readdir, 73 .iterate = bfs_readdir,
81 .fsync = generic_file_fsync, 74 .fsync = generic_file_fsync,
82 .llseek = generic_file_llseek, 75 .llseek = generic_file_llseek,
83}; 76};