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-rw-r--r--fs/bfs/dir.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index 5a1e5ce057ff..e240c335eb23 100644
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -2,6 +2,7 @@
2 * fs/bfs/dir.c 2 * fs/bfs/dir.c
3 * BFS directory operations. 3 * BFS directory operations.
4 * Copyright (C) 1999,2000 Tigran Aivazian <tigran@veritas.com> 4 * Copyright (C) 1999,2000 Tigran Aivazian <tigran@veritas.com>
5 * Made endianness-clean by Andrew Stribblehill <ads@wompom.org> 2005
5 */ 6 */
6 7
7#include <linux/time.h> 8#include <linux/time.h>
@@ -20,9 +21,9 @@
20#define dprintf(x...) 21#define dprintf(x...)
21#endif 22#endif
22 23
23static int bfs_add_entry(struct inode * dir, const char * name, int namelen, int ino); 24static int bfs_add_entry(struct inode * dir, const unsigned char * name, int namelen, int ino);
24static struct buffer_head * bfs_find_entry(struct inode * dir, 25static struct buffer_head * bfs_find_entry(struct inode * dir,
25 const char * name, int namelen, struct bfs_dirent ** res_dir); 26 const unsigned char * name, int namelen, struct bfs_dirent ** res_dir);
26 27
27static int bfs_readdir(struct file * f, void * dirent, filldir_t filldir) 28static int bfs_readdir(struct file * f, void * dirent, filldir_t filldir)
28{ 29{
@@ -53,7 +54,7 @@ static int bfs_readdir(struct file * f, void * dirent, filldir_t filldir)
53 de = (struct bfs_dirent *)(bh->b_data + offset); 54 de = (struct bfs_dirent *)(bh->b_data + offset);
54 if (de->ino) { 55 if (de->ino) {
55 int size = strnlen(de->name, BFS_NAMELEN); 56 int size = strnlen(de->name, BFS_NAMELEN);
56 if (filldir(dirent, de->name, size, f->f_pos, de->ino, DT_UNKNOWN) < 0) { 57 if (filldir(dirent, de->name, size, f->f_pos, le16_to_cpu(de->ino), DT_UNKNOWN) < 0) {
57 brelse(bh); 58 brelse(bh);
58 unlock_kernel(); 59 unlock_kernel();
59 return 0; 60 return 0;
@@ -107,7 +108,7 @@ static int bfs_create(struct inode * dir, struct dentry * dentry, int mode,
107 inode->i_mapping->a_ops = &bfs_aops; 108 inode->i_mapping->a_ops = &bfs_aops;
108 inode->i_mode = mode; 109 inode->i_mode = mode;
109 inode->i_ino = ino; 110 inode->i_ino = ino;
110 BFS_I(inode)->i_dsk_ino = ino; 111 BFS_I(inode)->i_dsk_ino = cpu_to_le16(ino);
111 BFS_I(inode)->i_sblock = 0; 112 BFS_I(inode)->i_sblock = 0;
112 BFS_I(inode)->i_eblock = 0; 113 BFS_I(inode)->i_eblock = 0;
113 insert_inode_hash(inode); 114 insert_inode_hash(inode);
@@ -139,7 +140,7 @@ static struct dentry * bfs_lookup(struct inode * dir, struct dentry * dentry, st
139 lock_kernel(); 140 lock_kernel();
140 bh = bfs_find_entry(dir, dentry->d_name.name, dentry->d_name.len, &de); 141 bh = bfs_find_entry(dir, dentry->d_name.name, dentry->d_name.len, &de);
141 if (bh) { 142 if (bh) {
142 unsigned long ino = le32_to_cpu(de->ino); 143 unsigned long ino = (unsigned long)le16_to_cpu(de->ino);
143 brelse(bh); 144 brelse(bh);
144 inode = iget(dir->i_sb, ino); 145 inode = iget(dir->i_sb, ino);
145 if (!inode) { 146 if (!inode) {
@@ -183,7 +184,7 @@ static int bfs_unlink(struct inode * dir, struct dentry * dentry)
183 inode = dentry->d_inode; 184 inode = dentry->d_inode;
184 lock_kernel(); 185 lock_kernel();
185 bh = bfs_find_entry(dir, dentry->d_name.name, dentry->d_name.len, &de); 186 bh = bfs_find_entry(dir, dentry->d_name.name, dentry->d_name.len, &de);
186 if (!bh || de->ino != inode->i_ino) 187 if (!bh || le16_to_cpu(de->ino) != inode->i_ino)
187 goto out_brelse; 188 goto out_brelse;
188 189
189 if (!inode->i_nlink) { 190 if (!inode->i_nlink) {
@@ -224,7 +225,7 @@ static int bfs_rename(struct inode * old_dir, struct dentry * old_dentry,
224 old_dentry->d_name.name, 225 old_dentry->d_name.name,
225 old_dentry->d_name.len, &old_de); 226 old_dentry->d_name.len, &old_de);
226 227
227 if (!old_bh || old_de->ino != old_inode->i_ino) 228 if (!old_bh || le16_to_cpu(old_de->ino) != old_inode->i_ino)
228 goto end_rename; 229 goto end_rename;
229 230
230 error = -EPERM; 231 error = -EPERM;
@@ -270,7 +271,7 @@ struct inode_operations bfs_dir_inops = {
270 .rename = bfs_rename, 271 .rename = bfs_rename,
271}; 272};
272 273
273static int bfs_add_entry(struct inode * dir, const char * name, int namelen, int ino) 274static int bfs_add_entry(struct inode * dir, const unsigned char * name, int namelen, int ino)
274{ 275{
275 struct buffer_head * bh; 276 struct buffer_head * bh;
276 struct bfs_dirent * de; 277 struct bfs_dirent * de;
@@ -304,7 +305,7 @@ static int bfs_add_entry(struct inode * dir, const char * name, int namelen, int
304 } 305 }
305 dir->i_mtime = CURRENT_TIME_SEC; 306 dir->i_mtime = CURRENT_TIME_SEC;
306 mark_inode_dirty(dir); 307 mark_inode_dirty(dir);
307 de->ino = ino; 308 de->ino = cpu_to_le16((u16)ino);
308 for (i=0; i<BFS_NAMELEN; i++) 309 for (i=0; i<BFS_NAMELEN; i++)
309 de->name[i] = (i < namelen) ? name[i] : 0; 310 de->name[i] = (i < namelen) ? name[i] : 0;
310 mark_buffer_dirty(bh); 311 mark_buffer_dirty(bh);
@@ -317,7 +318,7 @@ static int bfs_add_entry(struct inode * dir, const char * name, int namelen, int
317 return -ENOSPC; 318 return -ENOSPC;
318} 319}
319 320
320static inline int bfs_namecmp(int len, const char * name, const char * buffer) 321static inline int bfs_namecmp(int len, const unsigned char * name, const char * buffer)
321{ 322{
322 if (len < BFS_NAMELEN && buffer[len]) 323 if (len < BFS_NAMELEN && buffer[len])
323 return 0; 324 return 0;
@@ -325,7 +326,7 @@ static inline int bfs_namecmp(int len, const char * name, const char * buffer)
325} 326}
326 327
327static struct buffer_head * bfs_find_entry(struct inode * dir, 328static struct buffer_head * bfs_find_entry(struct inode * dir,
328 const char * name, int namelen, struct bfs_dirent ** res_dir) 329 const unsigned char * name, int namelen, struct bfs_dirent ** res_dir)
329{ 330{
330 unsigned long block, offset; 331 unsigned long block, offset;
331 struct buffer_head * bh; 332 struct buffer_head * bh;
@@ -346,7 +347,7 @@ static struct buffer_head * bfs_find_entry(struct inode * dir,
346 } 347 }
347 de = (struct bfs_dirent *)(bh->b_data + offset); 348 de = (struct bfs_dirent *)(bh->b_data + offset);
348 offset += BFS_DIRENT_SIZE; 349 offset += BFS_DIRENT_SIZE;
349 if (de->ino && bfs_namecmp(namelen, name, de->name)) { 350 if (le16_to_cpu(de->ino) && bfs_namecmp(namelen, name, de->name)) {
350 *res_dir = de; 351 *res_dir = de;
351 return bh; 352 return bh;
352 } 353 }