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Lines 221-234
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| 221 |
struct vfsmount *child; |
221 |
struct vfsmount *child; |
| 222 |
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222 |
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| 223 |
/* This is ugly, but prevents a lockup during mount. */ |
223 |
/* This is ugly, but prevents a lockup during mount. */ |
| 224 |
up(&dir->i_sem); |
224 |
mutex_lock(&dir->i_mutex); |
| 225 |
if (down_interruptible(&sfs_mnt->sem)) { |
225 |
if (down_interruptible(&sfs_mnt->sem)) { |
| 226 |
down(&dir->i_sem);/*put the dir sem back down if interrupted*/ |
226 |
mutex_unlock(&dir->i_mutex); |
| 227 |
return ERR_PTR(-ERESTARTSYS); |
227 |
return ERR_PTR(-ERESTARTSYS); |
| 228 |
} |
228 |
} |
| 229 |
child = get_child_mount(sfs_mnt); |
229 |
child = get_child_mount(sfs_mnt); |
| 230 |
up(&sfs_mnt->sem); |
230 |
up(&sfs_mnt->sem); |
| 231 |
down(&dir->i_sem); |
231 |
mutex_unlock(&dir->i_mutex); |
| 232 |
if (IS_ERR(child)) |
232 |
if (IS_ERR(child)) |
| 233 |
return (void *) child; |
233 |
return (void *) child; |
| 234 |
subfs_send_signal(); |
234 |
subfs_send_signal(); |
