Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6:
quota: Convert __DQUOT_PARANOIA symbol to standard config option
+8
fs/quota/Kconfig
+8
fs/quota/Kconfig
···
33
Note that this behavior is currently deprecated and may go away in
34
future. Please use notification via netlink socket instead.
35
36
+
config QUOTA_DEBUG
37
+
bool "Additional quota sanity checks"
38
+
depends on QUOTA
39
+
default n
40
+
help
41
+
If you say Y here, quota subsystem will perform some additional
42
+
sanity checks of quota internal structures. If unsure, say N.
43
+
44
# Generic support for tree structured quota files. Selected when needed.
45
config QUOTA_TREE
46
tristate
+7
-9
fs/quota/dquot.c
+7
-9
fs/quota/dquot.c
···
80
81
#include <asm/uaccess.h>
82
83
-
#define __DQUOT_PARANOIA
84
-
85
/*
86
* There are three quota SMP locks. dq_list_lock protects all lists with quotas
87
* and quota formats, dqstats structure containing statistics about the lists
···
693
694
if (!dquot)
695
return;
696
-
#ifdef __DQUOT_PARANOIA
697
if (!atomic_read(&dquot->dq_count)) {
698
printk("VFS: dqput: trying to free free dquot\n");
699
printk("VFS: device %s, dquot of %s %d\n",
···
746
goto we_slept;
747
}
748
atomic_dec(&dquot->dq_count);
749
-
#ifdef __DQUOT_PARANOIA
750
/* sanity check */
751
BUG_ON(!list_empty(&dquot->dq_free));
752
#endif
···
843
dquot = NULL;
844
goto out;
845
}
846
-
#ifdef __DQUOT_PARANOIA
847
BUG_ON(!dquot->dq_sb); /* Has somebody invalidated entry under us? */
848
#endif
849
out:
···
872
static void add_dquot_ref(struct super_block *sb, int type)
873
{
874
struct inode *inode, *old_inode = NULL;
875
-
#ifdef __DQUOT_PARANOIA
876
int reserved = 0;
877
#endif
878
···
880
list_for_each_entry(inode, &sb->s_inodes, i_sb_list) {
881
if (inode->i_state & (I_FREEING|I_CLEAR|I_WILL_FREE|I_NEW))
882
continue;
883
-
#ifdef __DQUOT_PARANOIA
884
if (unlikely(inode_get_rsv_space(inode) > 0))
885
reserved = 1;
886
#endif
···
905
spin_unlock(&inode_lock);
906
iput(old_inode);
907
908
-
#ifdef __DQUOT_PARANOIA
909
if (reserved) {
910
printk(KERN_WARNING "VFS (%s): Writes happened before quota"
911
" was turned on thus quota information is probably "
···
938
inode->i_dquot[type] = NULL;
939
if (dquot) {
940
if (dqput_blocks(dquot)) {
941
-
#ifdef __DQUOT_PARANOIA
942
if (atomic_read(&dquot->dq_count) != 1)
943
printk(KERN_WARNING "VFS: Adding dquot with dq_count %d to dispose list.\n", atomic_read(&dquot->dq_count));
944
#endif
···
80
81
#include <asm/uaccess.h>
82
83
/*
84
* There are three quota SMP locks. dq_list_lock protects all lists with quotas
85
* and quota formats, dqstats structure containing statistics about the lists
···
695
696
if (!dquot)
697
return;
698
+
#ifdef CONFIG_QUOTA_DEBUG
699
if (!atomic_read(&dquot->dq_count)) {
700
printk("VFS: dqput: trying to free free dquot\n");
701
printk("VFS: device %s, dquot of %s %d\n",
···
748
goto we_slept;
749
}
750
atomic_dec(&dquot->dq_count);
751
+
#ifdef CONFIG_QUOTA_DEBUG
752
/* sanity check */
753
BUG_ON(!list_empty(&dquot->dq_free));
754
#endif
···
845
dquot = NULL;
846
goto out;
847
}
848
+
#ifdef CONFIG_QUOTA_DEBUG
849
BUG_ON(!dquot->dq_sb); /* Has somebody invalidated entry under us? */
850
#endif
851
out:
···
874
static void add_dquot_ref(struct super_block *sb, int type)
875
{
876
struct inode *inode, *old_inode = NULL;
877
+
#ifdef CONFIG_QUOTA_DEBUG
878
int reserved = 0;
879
#endif
880
···
882
list_for_each_entry(inode, &sb->s_inodes, i_sb_list) {
883
if (inode->i_state & (I_FREEING|I_CLEAR|I_WILL_FREE|I_NEW))
884
continue;
885
+
#ifdef CONFIG_QUOTA_DEBUG
886
if (unlikely(inode_get_rsv_space(inode) > 0))
887
reserved = 1;
888
#endif
···
907
spin_unlock(&inode_lock);
908
iput(old_inode);
909
910
+
#ifdef CONFIG_QUOTA_DEBUG
911
if (reserved) {
912
printk(KERN_WARNING "VFS (%s): Writes happened before quota"
913
" was turned on thus quota information is probably "
···
940
inode->i_dquot[type] = NULL;
941
if (dquot) {
942
if (dqput_blocks(dquot)) {
943
+
#ifdef CONFIG_QUOTA_DEBUG
944
if (atomic_read(&dquot->dq_count) != 1)
945
printk(KERN_WARNING "VFS: Adding dquot with dq_count %d to dispose list.\n", atomic_read(&dquot->dq_count));
946
#endif