diff options
Diffstat (limited to 'fs/autofs4/inode.c')
-rw-r--r-- | fs/autofs4/inode.c | 62 |
1 files changed, 1 insertions, 61 deletions
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index 4670a7818eac..821b2b955dac 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c | |||
@@ -96,63 +96,6 @@ void autofs4_free_ino(struct autofs_info *ino) | |||
96 | kfree(ino); | 96 | kfree(ino); |
97 | } | 97 | } |
98 | 98 | ||
99 | /* | ||
100 | * Deal with the infamous "Busy inodes after umount ..." message. | ||
101 | * | ||
102 | * Clean up the dentry tree. This happens with autofs if the user | ||
103 | * space program goes away due to a SIGKILL, SIGSEGV etc. | ||
104 | */ | ||
105 | static void autofs4_force_release(struct autofs_sb_info *sbi) | ||
106 | { | ||
107 | struct dentry *this_parent = sbi->sb->s_root; | ||
108 | struct list_head *next; | ||
109 | |||
110 | if (!sbi->sb->s_root) | ||
111 | return; | ||
112 | |||
113 | spin_lock(&dcache_lock); | ||
114 | repeat: | ||
115 | next = this_parent->d_subdirs.next; | ||
116 | resume: | ||
117 | while (next != &this_parent->d_subdirs) { | ||
118 | struct dentry *dentry = list_entry(next, struct dentry, d_u.d_child); | ||
119 | |||
120 | /* Negative dentry - don`t care */ | ||
121 | if (!simple_positive(dentry)) { | ||
122 | next = next->next; | ||
123 | continue; | ||
124 | } | ||
125 | |||
126 | if (!list_empty(&dentry->d_subdirs)) { | ||
127 | this_parent = dentry; | ||
128 | goto repeat; | ||
129 | } | ||
130 | |||
131 | next = next->next; | ||
132 | spin_unlock(&dcache_lock); | ||
133 | |||
134 | DPRINTK("dentry %p %.*s", | ||
135 | dentry, (int)dentry->d_name.len, dentry->d_name.name); | ||
136 | |||
137 | dput(dentry); | ||
138 | spin_lock(&dcache_lock); | ||
139 | } | ||
140 | |||
141 | if (this_parent != sbi->sb->s_root) { | ||
142 | struct dentry *dentry = this_parent; | ||
143 | |||
144 | next = this_parent->d_u.d_child.next; | ||
145 | this_parent = this_parent->d_parent; | ||
146 | spin_unlock(&dcache_lock); | ||
147 | DPRINTK("parent dentry %p %.*s", | ||
148 | dentry, (int)dentry->d_name.len, dentry->d_name.name); | ||
149 | dput(dentry); | ||
150 | spin_lock(&dcache_lock); | ||
151 | goto resume; | ||
152 | } | ||
153 | spin_unlock(&dcache_lock); | ||
154 | } | ||
155 | |||
156 | void autofs4_kill_sb(struct super_block *sb) | 99 | void autofs4_kill_sb(struct super_block *sb) |
157 | { | 100 | { |
158 | struct autofs_sb_info *sbi = autofs4_sbi(sb); | 101 | struct autofs_sb_info *sbi = autofs4_sbi(sb); |
@@ -169,15 +112,12 @@ void autofs4_kill_sb(struct super_block *sb) | |||
169 | /* Free wait queues, close pipe */ | 112 | /* Free wait queues, close pipe */ |
170 | autofs4_catatonic_mode(sbi); | 113 | autofs4_catatonic_mode(sbi); |
171 | 114 | ||
172 | /* Clean up and release dangling references */ | ||
173 | autofs4_force_release(sbi); | ||
174 | |||
175 | sb->s_fs_info = NULL; | 115 | sb->s_fs_info = NULL; |
176 | kfree(sbi); | 116 | kfree(sbi); |
177 | 117 | ||
178 | out_kill_sb: | 118 | out_kill_sb: |
179 | DPRINTK("shutting down"); | 119 | DPRINTK("shutting down"); |
180 | kill_anon_super(sb); | 120 | kill_litter_super(sb); |
181 | } | 121 | } |
182 | 122 | ||
183 | static int autofs4_show_options(struct seq_file *m, struct vfsmount *mnt) | 123 | static int autofs4_show_options(struct seq_file *m, struct vfsmount *mnt) |