diff options
Diffstat (limited to 'fs/umsdos/dir.c')
| -rw-r--r-- | fs/umsdos/dir.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/fs/umsdos/dir.c b/fs/umsdos/dir.c index 2d8e60895..a8352917a 100644 --- a/fs/umsdos/dir.c +++ b/fs/umsdos/dir.c @@ -96,9 +96,8 @@ static int umsdos_dir_once ( void *buf, */ static int umsdos_readdir_x (struct inode *dir, struct file *filp, - void *dirbuf, int internal_read, - struct umsdos_dirent *u_entry, - int follow_hlink, filldir_t filldir) + void *dirbuf, struct umsdos_dirent *u_entry, + filldir_t filldir) { struct dentry *demd; off_t start_fpos; @@ -107,8 +106,7 @@ static int umsdos_readdir_x (struct inode *dir, struct file *filp, umsdos_startlookup (dir); - if (filp->f_pos == UMSDOS_SPECIAL_DIRFPOS && - dir == pseudo_root && !internal_read) { + if (filp->f_pos == UMSDOS_SPECIAL_DIRFPOS && dir == pseudo_root) { /* * We don't need to simulate this pseudo directory @@ -218,7 +216,7 @@ Printk (("Found %s/%s, ino=%ld, flags=%x\n", dret->d_parent->d_name.name, info.fake.fname, dret->d_inode->i_ino, entry.flags)); /* check whether to resolve a hard-link */ - if ((entry.flags & UMSDOS_HLINK) && follow_hlink && + if ((entry.flags & UMSDOS_HLINK) && !inode->u.umsdos_i.i_is_hlink) { dret = umsdos_solve_hlink (dret); ret = PTR_ERR(dret); @@ -239,8 +237,7 @@ dret->d_parent->d_name.name, dret->d_name.name); * infinite recursion (/DOS/linux/DOS/linux/...) while * walking the file system. */ - if (inode != pseudo_root && - (internal_read || !(entry.flags & UMSDOS_HIDDEN))) { + if (inode != pseudo_root && !(entry.flags & UMSDOS_HIDDEN)) { if (filldir (dirbuf, entry.name, entry.name_len, cur_f_pos, inode->i_ino) < 0) { new_filp.f_pos = cur_f_pos; @@ -317,7 +314,7 @@ static int UMSDOS_readdir (struct file *filp, void *dirbuf, filldir_t filldir) struct umsdos_dirent entry; bufk.count = 0; - ret = umsdos_readdir_x (dir, filp, &bufk, 0, &entry, 1, + ret = umsdos_readdir_x (dir, filp, &bufk, &entry, umsdos_dir_once); if (bufk.count == 0) break; @@ -650,10 +647,15 @@ out_fail: */ char * umsdos_d_path(struct dentry *dentry, char * buffer, int len) { - struct dentry * old_root = current->fs->root; + struct dentry * old_root; char * path; + read_lock(¤t->fs->lock); + old_root = dget(current->fs->root); + read_unlock(¤t->fs->lock); + spin_lock(&dcache_lock); path = __d_path(dentry, NULL, dentry->d_sb->s_root, NULL, buffer, len); + spin_unlock(&dcache_lock); if (*path == '/') path++; /* skip leading '/' */ @@ -664,6 +666,7 @@ char * umsdos_d_path(struct dentry *dentry, char * buffer, int len) path -= (UMSDOS_PSDROOT_LEN+1); memcpy(path, UMSDOS_PSDROOT_NAME, UMSDOS_PSDROOT_LEN); } + dput(old_root); return path; } |