Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / fs / proc / inode.c

diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index b77b039..2120c80 100644 (file)
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -19,7 +19,7 @@
 #include <asm/system.h>
 #include <asm/uaccess.h>
 
-extern void free_proc_entry(struct proc_dir_entry *);
+#include "internal.h"
 
 static inline struct proc_dir_entry * de_get(struct proc_dir_entry *de)
 {
@@ -60,6 +60,8 @@ static void proc_delete_inode(struct inode *inode)
        struct proc_dir_entry *de;
        struct task_struct *tsk;
 
+       truncate_inode_pages(&inode->i_data, 0);
+
        /* Let go of any associated process */
        tsk = PROC_I(inode)->task;
        if (tsk)
@@ -119,7 +121,8 @@ int __init proc_init_inodecache(void)
 {
        proc_inode_cachep = kmem_cache_create("proc_inode_cache",
                                             sizeof(struct proc_inode),
-                                            0, SLAB_RECLAIM_ACCOUNT,
+                                            0, (SLAB_RECLAIM_ACCOUNT|
+                                               SLAB_MEM_SPREAD),
                                             init_once, NULL);
        if (proc_inode_cachep == NULL)
                return -ENOMEM;
@@ -154,10 +157,13 @@ struct inode *proc_get_inode(struct super_block *sb, unsigned int ino,
 
        WARN_ON(de && de->deleted);
 
+       if (de != NULL && !try_module_get(de->owner))
+               goto out_mod;
+
        inode = iget(sb, ino);
        if (!inode)
-               goto out_fail;
-       
+               goto out_ino;
+
        PROC_I(inode)->pde = de;
        if (de) {
                if (de->mode) {
@@ -171,20 +177,20 @@ struct inode *proc_get_inode(struct super_block *sb, unsigned int ino,
                        inode->i_size = de->size;
                if (de->nlink)
                        inode->i_nlink = de->nlink;
-               if (!try_module_get(de->owner))
-                       goto out_fail;
                if (de->proc_iops)
                        inode->i_op = de->proc_iops;
                if (de->proc_fops)
                        inode->i_fop = de->proc_fops;
        }
 
-out:
        return inode;
 
-out_fail:
+out_ino:
+       if (de != NULL)
+               module_put(de->owner);
+out_mod:
        de_put(de);
-       goto out;
+       return NULL;
 }                      
 
 int proc_fill_super(struct super_block *s, void *data, int silent)
@@ -201,10 +207,6 @@ int proc_fill_super(struct super_block *s, void *data, int silent)
        root_inode = proc_get_inode(s, PROC_ROOT_INO, &proc_root);
        if (!root_inode)
                goto out_no_root;
-       /*
-        * Fixup the root inode's nlink value
-        */
-       root_inode->i_nlink += nr_processes();
        root_inode->i_uid = 0;
        root_inode->i_gid = 0;
        s->s_root = d_alloc_root(root_inode);