diff options
Diffstat (limited to 'fs/proc/root.c')
| -rw-r--r-- | fs/proc/root.c | 48 |
1 files changed, 30 insertions, 18 deletions
diff --git a/fs/proc/root.c b/fs/proc/root.c index d08860c26..df3c0b049 100644 --- a/fs/proc/root.c +++ b/fs/proc/root.c @@ -365,24 +365,36 @@ int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp) */ static void proc_kill_inodes(int ino) { - struct file *filp; - - /* inuse_filps is protected by the single kernel lock */ - for (filp = inuse_filps; filp; filp = filp->f_next) { - struct dentry * dentry; - struct inode * inode; - - dentry = filp->f_dentry; - if (!dentry) - continue; - if (dentry->d_op != &proc_dentry_operations) - continue; - inode = dentry->d_inode; - if (!inode) - continue; - if (inode->i_ino != ino) - continue; - filp->f_op = NULL; + struct list_head *p; + struct super_block *sb; + + /* + * Actually it's a partial revoke(). We have to go through all + * copies of procfs. proc_super_blocks is protected by the big + * lock for the time being. + */ + for (sb = proc_super_blocks; + sb; + sb = (struct super_block*)sb->u.generic_sbp) { + file_list_lock(); + for (p = sb->s_files.next; p != &sb->s_files; p = p->next) { + struct file * filp = list_entry(p, struct file, f_list); + struct dentry * dentry; + struct inode * inode; + + dentry = filp->f_dentry; + if (!dentry) + continue; + if (dentry->d_op != &proc_dentry_operations) + continue; + inode = dentry->d_inode; + if (!inode) + continue; + if (inode->i_ino != ino) + continue; + filp->f_op = NULL; + } + file_list_unlock(); } } |