wok diff linux/stuff/aufs2-2.6.36-fix.patch @ rev 12057

cleaning up receipts that have unnecessary cp operations
author Samuel Trassare <samuel_trassare@yahoo.com>
date Wed Mar 07 21:27:37 2012 -0800 (2012-03-07)
parents
children
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/linux/stuff/aufs2-2.6.36-fix.patch	Wed Mar 07 21:27:37 2012 -0800
     1.3 @@ -0,0 +1,130 @@
     1.4 +diff --git a/fs/file_table.c b/fs/file_table.c
     1.5 +index a04bdd8..fbf8908 100644
     1.6 +--- a/fs/file_table.c
     1.7 ++++ b/fs/file_table.c
     1.8 +@@ -20,7 +20,6 @@
     1.9 + #include <linux/cdev.h>
    1.10 + #include <linux/fsnotify.h>
    1.11 + #include <linux/sysctl.h>
    1.12 +-#include <linux/lglock.h>
    1.13 + #include <linux/percpu_counter.h>
    1.14 + #include <linux/percpu.h>
    1.15 + #include <linux/ima.h>
    1.16 +@@ -34,7 +33,6 @@ struct files_stat_struct files_stat = {
    1.17 + 	.max_files = NR_FILE
    1.18 + };
    1.19 + 
    1.20 +-DECLARE_LGLOCK(files_lglock);
    1.21 + DEFINE_LGLOCK(files_lglock);
    1.22 + 
    1.23 + /* SLAB cache for file structures */
    1.24 +@@ -394,37 +392,6 @@ void file_sb_list_del(struct file *file)
    1.25 + 	}
    1.26 + }
    1.27 + 
    1.28 +-#ifdef CONFIG_SMP
    1.29 +-
    1.30 +-/*
    1.31 +- * These macros iterate all files on all CPUs for a given superblock.
    1.32 +- * files_lglock must be held globally.
    1.33 +- */
    1.34 +-#define do_file_list_for_each_entry(__sb, __file)		\
    1.35 +-{								\
    1.36 +-	int i;							\
    1.37 +-	for_each_possible_cpu(i) {				\
    1.38 +-		struct list_head *list;				\
    1.39 +-		list = per_cpu_ptr((__sb)->s_files, i);		\
    1.40 +-		list_for_each_entry((__file), list, f_u.fu_list)
    1.41 +-
    1.42 +-#define while_file_list_for_each_entry				\
    1.43 +-	}							\
    1.44 +-}
    1.45 +-
    1.46 +-#else
    1.47 +-
    1.48 +-#define do_file_list_for_each_entry(__sb, __file)		\
    1.49 +-{								\
    1.50 +-	struct list_head *list;					\
    1.51 +-	list = &(sb)->s_files;					\
    1.52 +-	list_for_each_entry((__file), list, f_u.fu_list)
    1.53 +-
    1.54 +-#define while_file_list_for_each_entry				\
    1.55 +-}
    1.56 +-
    1.57 +-#endif
    1.58 +-
    1.59 + int fs_may_remount_ro(struct super_block *sb)
    1.60 + {
    1.61 + 	struct file *file;
    1.62 +diff --git a/fs/statfs.c b/fs/statfs.c
    1.63 +index 30ea8c8..9025c98 100644
    1.64 +--- a/fs/statfs.c
    1.65 ++++ b/fs/statfs.c
    1.66 +@@ -61,6 +61,7 @@ int statfs_by_dentry(struct dentry *dentry, struct kstatfs *buf)
    1.67 + 		buf->f_frsize = buf->f_bsize;
    1.68 + 	return retval;
    1.69 + }
    1.70 ++EXPORT_SYMBOL(statfs_by_dentry);
    1.71 + 
    1.72 + int vfs_statfs(struct path *path, struct kstatfs *buf)
    1.73 + {
    1.74 +diff --git a/include/linux/fs.h b/include/linux/fs.h
    1.75 +index 63d069b..741d296 100644
    1.76 +--- a/include/linux/fs.h
    1.77 ++++ b/include/linux/fs.h
    1.78 +@@ -9,6 +9,7 @@
    1.79 + #include <linux/limits.h>
    1.80 + #include <linux/ioctl.h>
    1.81 + #include <linux/blk_types.h>
    1.82 ++#include <linux/lglock.h>
    1.83 + 
    1.84 + /*
    1.85 +  * It's silly to have NR_OPEN bigger than NR_FILE, but you can change
    1.86 +@@ -1814,6 +1815,7 @@ extern struct vfsmount *collect_mounts(struct path *);
    1.87 + extern void drop_collected_mounts(struct vfsmount *);
    1.88 + extern int iterate_mounts(int (*)(struct vfsmount *, void *), void *,
    1.89 + 			  struct vfsmount *);
    1.90 ++extern int statfs_by_dentry(struct dentry *dentry, struct kstatfs *buf);
    1.91 + extern int vfs_statfs(struct path *, struct kstatfs *);
    1.92 + extern int statfs_by_dentry(struct dentry *, struct kstatfs *);
    1.93 + extern int freeze_super(struct super_block *super);
    1.94 +@@ -2481,5 +2483,39 @@ int __init get_filesystem_list(char *buf);
    1.95 + #define OPEN_FMODE(flag) ((__force fmode_t)(((flag + 1) & O_ACCMODE) | \
    1.96 + 					    (flag & FMODE_NONOTIFY)))
    1.97 + 
    1.98 ++
    1.99 ++DECLARE_LGLOCK(files_lglock);
   1.100 ++
   1.101 ++#ifdef CONFIG_SMP
   1.102 ++
   1.103 ++/*
   1.104 ++ * These macros iterate all files on all CPUs for a given superblock.
   1.105 ++ * files_lglock must be held globally.
   1.106 ++ */
   1.107 ++#define do_file_list_for_each_entry(__sb, __file)		\
   1.108 ++{								\
   1.109 ++	int i;							\
   1.110 ++	for_each_possible_cpu(i) {				\
   1.111 ++		struct list_head *list;				\
   1.112 ++		list = per_cpu_ptr((__sb)->s_files, i);		\
   1.113 ++		list_for_each_entry((__file), list, f_u.fu_list)
   1.114 ++
   1.115 ++#define while_file_list_for_each_entry				\
   1.116 ++	}							\
   1.117 ++}
   1.118 ++
   1.119 ++#else
   1.120 ++
   1.121 ++#define do_file_list_for_each_entry(__sb, __file)		\
   1.122 ++{								\
   1.123 ++	struct list_head *list;					\
   1.124 ++	list = &(sb)->s_files;					\
   1.125 ++	list_for_each_entry((__file), list, f_u.fu_list)
   1.126 ++
   1.127 ++#define while_file_list_for_each_entry				\
   1.128 ++}
   1.129 ++
   1.130 ++#endif
   1.131 ++
   1.132 + #endif /* __KERNEL__ */
   1.133 + #endif /* _LINUX_FS_H */