diff options
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_file.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c index 5311c1acdd40..3fee790f138b 100644 --- a/fs/xfs/linux-2.6/xfs_file.c +++ b/fs/xfs/linux-2.6/xfs_file.c @@ -204,15 +204,6 @@ xfs_file_fsync( return -xfs_fsync(XFS_I(dentry->d_inode)); } -/* - * Unfortunately we can't just use the clean and simple readdir implementation - * below, because nfs might call back into ->lookup from the filldir callback - * and that will deadlock the low-level btree code. - * - * Hopefully we'll find a better workaround that allows to use the optimal - * version at least for local readdirs for 2.6.25. - */ -#if 0 STATIC int xfs_file_readdir( struct file *filp, @@ -244,125 +235,6 @@ xfs_file_readdir( return -error; return 0; } -#else - -struct hack_dirent { - u64 ino; - loff_t offset; - int namlen; - unsigned int d_type; - char name[]; -}; - -struct hack_callback { - char *dirent; - size_t len; - size_t used; -}; - -STATIC int -xfs_hack_filldir( - void *__buf, - const char *name, - int namlen, - loff_t offset, - u64 ino, - unsigned int d_type) -{ - struct hack_callback *buf = __buf; - struct hack_dirent *de = (struct hack_dirent *)(buf->dirent + buf->used); - unsigned int reclen; - - reclen = ALIGN(sizeof(struct hack_dirent) + namlen, sizeof(u64)); - if (buf->used + reclen > buf->len) - return -EINVAL; - - de->namlen = namlen; - de->offset = offset; - de->ino = ino; - de->d_type = d_type; - memcpy(de->name, name, namlen); - buf->used += reclen; - return 0; -} - -STATIC int -xfs_file_readdir( - struct file *filp, - void *dirent, - filldir_t filldir) -{ - struct inode *inode = filp->f_path.dentry->d_inode; - xfs_inode_t *ip = XFS_I(inode); - struct hack_callback buf; - struct hack_dirent *de; - int error; - loff_t size; - int eof = 0; - xfs_off_t start_offset, curr_offset, offset; - - /* - * Try fairly hard to get memory - */ - buf.len = PAGE_CACHE_SIZE; - do { - buf.dirent = kmalloc(buf.len, GFP_KERNEL); - if (buf.dirent) - break; - buf.len >>= 1; - } while (buf.len >= 1024); - - if (!buf.dirent) - return -ENOMEM; - - curr_offset = filp->f_pos; - if (curr_offset == 0x7fffffff) - offset = 0xffffffff; - else - offset = filp->f_pos; - - while (!eof) { - unsigned int reclen; - - start_offset = offset; - - buf.used = 0; - error = -xfs_readdir(ip, &buf, buf.len, &offset, - xfs_hack_filldir); - if (error || offset == start_offset) { - size = 0; - break; - } - - size = buf.used; - de = (struct hack_dirent *)buf.dirent; - while (size > 0) { - curr_offset = de->offset /* & 0x7fffffff */; - if (filldir(dirent, de->name, de->namlen, - curr_offset & 0x7fffffff, - de->ino, de->d_type)) { - goto done; - } - - reclen = ALIGN(sizeof(struct hack_dirent) + de->namlen, - sizeof(u64)); - size -= reclen; - de = (struct hack_dirent *)((char *)de + reclen); - } - } - - done: - if (!error) { - if (size == 0) - filp->f_pos = offset & 0x7fffffff; - else if (de) - filp->f_pos = curr_offset; - } - - kfree(buf.dirent); - return error; -} -#endif STATIC int xfs_file_mmap( |