diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-20 12:39:40 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-20 12:39:40 -0400 |
commit | 05ce7bfe547c9fa967d9cab6c37867a9cb6fb3fa (patch) | |
tree | e1c4331ac8db1c28d3ea4c055353c783cf7f01ac | |
parent | 27ee8963708185b96bc84a149eb5336a249a7497 (diff) | |
parent | 62af9b520513d78484f22f874916dfacbc889ce0 (diff) |
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
-rw-r--r-- | fs/quota/Kconfig | 8 | ||||
-rw-r--r-- | fs/quota/dquot.c | 16 |
2 files changed, 15 insertions, 9 deletions
diff --git a/fs/quota/Kconfig b/fs/quota/Kconfig index dad7fb247ddc..3e21b1e2ad3a 100644 --- a/fs/quota/Kconfig +++ b/fs/quota/Kconfig | |||
@@ -33,6 +33,14 @@ config PRINT_QUOTA_WARNING | |||
33 | Note that this behavior is currently deprecated and may go away in | 33 | Note that this behavior is currently deprecated and may go away in |
34 | future. Please use notification via netlink socket instead. | 34 | future. Please use notification via netlink socket instead. |
35 | 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 | |||
36 | # Generic support for tree structured quota files. Selected when needed. | 44 | # Generic support for tree structured quota files. Selected when needed. |
37 | config QUOTA_TREE | 45 | config QUOTA_TREE |
38 | tristate | 46 | tristate |
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index a0a9405b202a..788b5802a7ce 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c | |||
@@ -80,8 +80,6 @@ | |||
80 | 80 | ||
81 | #include <asm/uaccess.h> | 81 | #include <asm/uaccess.h> |
82 | 82 | ||
83 | #define __DQUOT_PARANOIA | ||
84 | |||
85 | /* | 83 | /* |
86 | * There are three quota SMP locks. dq_list_lock protects all lists with quotas | 84 | * 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 | 85 | * and quota formats, dqstats structure containing statistics about the lists |
@@ -695,7 +693,7 @@ void dqput(struct dquot *dquot) | |||
695 | 693 | ||
696 | if (!dquot) | 694 | if (!dquot) |
697 | return; | 695 | return; |
698 | #ifdef __DQUOT_PARANOIA | 696 | #ifdef CONFIG_QUOTA_DEBUG |
699 | if (!atomic_read(&dquot->dq_count)) { | 697 | if (!atomic_read(&dquot->dq_count)) { |
700 | printk("VFS: dqput: trying to free free dquot\n"); | 698 | printk("VFS: dqput: trying to free free dquot\n"); |
701 | printk("VFS: device %s, dquot of %s %d\n", | 699 | printk("VFS: device %s, dquot of %s %d\n", |
@@ -748,7 +746,7 @@ we_slept: | |||
748 | goto we_slept; | 746 | goto we_slept; |
749 | } | 747 | } |
750 | atomic_dec(&dquot->dq_count); | 748 | atomic_dec(&dquot->dq_count); |
751 | #ifdef __DQUOT_PARANOIA | 749 | #ifdef CONFIG_QUOTA_DEBUG |
752 | /* sanity check */ | 750 | /* sanity check */ |
753 | BUG_ON(!list_empty(&dquot->dq_free)); | 751 | BUG_ON(!list_empty(&dquot->dq_free)); |
754 | #endif | 752 | #endif |
@@ -845,7 +843,7 @@ we_slept: | |||
845 | dquot = NULL; | 843 | dquot = NULL; |
846 | goto out; | 844 | goto out; |
847 | } | 845 | } |
848 | #ifdef __DQUOT_PARANOIA | 846 | #ifdef CONFIG_QUOTA_DEBUG |
849 | BUG_ON(!dquot->dq_sb); /* Has somebody invalidated entry under us? */ | 847 | BUG_ON(!dquot->dq_sb); /* Has somebody invalidated entry under us? */ |
850 | #endif | 848 | #endif |
851 | out: | 849 | out: |
@@ -874,7 +872,7 @@ static int dqinit_needed(struct inode *inode, int type) | |||
874 | static void add_dquot_ref(struct super_block *sb, int type) | 872 | static void add_dquot_ref(struct super_block *sb, int type) |
875 | { | 873 | { |
876 | struct inode *inode, *old_inode = NULL; | 874 | struct inode *inode, *old_inode = NULL; |
877 | #ifdef __DQUOT_PARANOIA | 875 | #ifdef CONFIG_QUOTA_DEBUG |
878 | int reserved = 0; | 876 | int reserved = 0; |
879 | #endif | 877 | #endif |
880 | 878 | ||
@@ -882,7 +880,7 @@ static void add_dquot_ref(struct super_block *sb, int type) | |||
882 | list_for_each_entry(inode, &sb->s_inodes, i_sb_list) { | 880 | 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)) | 881 | if (inode->i_state & (I_FREEING|I_CLEAR|I_WILL_FREE|I_NEW)) |
884 | continue; | 882 | continue; |
885 | #ifdef __DQUOT_PARANOIA | 883 | #ifdef CONFIG_QUOTA_DEBUG |
886 | if (unlikely(inode_get_rsv_space(inode) > 0)) | 884 | if (unlikely(inode_get_rsv_space(inode) > 0)) |
887 | reserved = 1; | 885 | reserved = 1; |
888 | #endif | 886 | #endif |
@@ -907,7 +905,7 @@ static void add_dquot_ref(struct super_block *sb, int type) | |||
907 | spin_unlock(&inode_lock); | 905 | spin_unlock(&inode_lock); |
908 | iput(old_inode); | 906 | iput(old_inode); |
909 | 907 | ||
910 | #ifdef __DQUOT_PARANOIA | 908 | #ifdef CONFIG_QUOTA_DEBUG |
911 | if (reserved) { | 909 | if (reserved) { |
912 | printk(KERN_WARNING "VFS (%s): Writes happened before quota" | 910 | printk(KERN_WARNING "VFS (%s): Writes happened before quota" |
913 | " was turned on thus quota information is probably " | 911 | " was turned on thus quota information is probably " |
@@ -940,7 +938,7 @@ static int remove_inode_dquot_ref(struct inode *inode, int type, | |||
940 | inode->i_dquot[type] = NULL; | 938 | inode->i_dquot[type] = NULL; |
941 | if (dquot) { | 939 | if (dquot) { |
942 | if (dqput_blocks(dquot)) { | 940 | if (dqput_blocks(dquot)) { |
943 | #ifdef __DQUOT_PARANOIA | 941 | #ifdef CONFIG_QUOTA_DEBUG |
944 | if (atomic_read(&dquot->dq_count) != 1) | 942 | 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)); | 943 | printk(KERN_WARNING "VFS: Adding dquot with dq_count %d to dispose list.\n", atomic_read(&dquot->dq_count)); |
946 | #endif | 944 | #endif |