summaryrefslogtreecommitdiffstats
path: root/include/linux/fs.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r--include/linux/fs.h42
1 files changed, 23 insertions, 19 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index ea202ff..a04aa96 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -733,6 +733,20 @@ struct posix_acl;
#define ACL_NOT_CACHED ((void *)(-1))
struct inode {
+ /* RCU path lookup touches following: */
+ umode_t i_mode;
+ uid_t i_uid;
+ gid_t i_gid;
+ const struct inode_operations *i_op;
+ struct super_block *i_sb;
+
+ spinlock_t i_lock; /* i_blocks, i_bytes, maybe i_size */
+ unsigned int i_flags;
+ struct mutex i_mutex;
+
+ unsigned long i_state;
+ unsigned long dirtied_when; /* jiffies of first dirtying */
+
struct hlist_node i_hash;
struct list_head i_wb_list; /* backing dev IO list */
struct list_head i_lru; /* inode LRU list */
@@ -744,8 +758,6 @@ struct inode {
unsigned long i_ino;
atomic_t i_count;
unsigned int i_nlink;
- uid_t i_uid;
- gid_t i_gid;
dev_t i_rdev;
unsigned int i_blkbits;
u64 i_version;
@@ -758,13 +770,8 @@ struct inode {
struct timespec i_ctime;
blkcnt_t i_blocks;
unsigned short i_bytes;
- umode_t i_mode;
- spinlock_t i_lock; /* i_blocks, i_bytes, maybe i_size */
- struct mutex i_mutex;
struct rw_semaphore i_alloc_sem;
- const struct inode_operations *i_op;
const struct file_operations *i_fop; /* former ->i_op->default_file_ops */
- struct super_block *i_sb;
struct file_lock *i_flock;
struct address_space *i_mapping;
struct address_space i_data;
@@ -785,11 +792,6 @@ struct inode {
struct hlist_head i_fsnotify_marks;
#endif
- unsigned long i_state;
- unsigned long dirtied_when; /* jiffies of first dirtying */
-
- unsigned int i_flags;
-
#ifdef CONFIG_IMA
/* protected by i_lock */
unsigned int i_readcount; /* struct files open RO */
@@ -1549,8 +1551,15 @@ struct file_operations {
};
struct inode_operations {
- int (*create) (struct inode *,struct dentry *,int, struct nameidata *);
struct dentry * (*lookup) (struct inode *,struct dentry *, struct nameidata *);
+ void * (*follow_link) (struct dentry *, struct nameidata *);
+ int (*permission) (struct inode *, int);
+ int (*check_acl)(struct inode *, int);
+
+ int (*readlink) (struct dentry *, char __user *,int);
+ void (*put_link) (struct dentry *, struct nameidata *, void *);
+
+ int (*create) (struct inode *,struct dentry *,int, struct nameidata *);
int (*link) (struct dentry *,struct inode *,struct dentry *);
int (*unlink) (struct inode *,struct dentry *);
int (*symlink) (struct inode *,struct dentry *,const char *);
@@ -1559,12 +1568,7 @@ struct inode_operations {
int (*mknod) (struct inode *,struct dentry *,int,dev_t);
int (*rename) (struct inode *, struct dentry *,
struct inode *, struct dentry *);
- int (*readlink) (struct dentry *, char __user *,int);
- void * (*follow_link) (struct dentry *, struct nameidata *);
- void (*put_link) (struct dentry *, struct nameidata *, void *);
void (*truncate) (struct inode *);
- int (*permission) (struct inode *, int);
- int (*check_acl)(struct inode *, int);
int (*setattr) (struct dentry *, struct iattr *);
int (*getattr) (struct vfsmount *mnt, struct dentry *, struct kstat *);
int (*setxattr) (struct dentry *, const char *,const void *,size_t,int);
@@ -1576,7 +1580,7 @@ struct inode_operations {
loff_t len);
int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start,
u64 len);
-};
+} ____cacheline_aligned;
struct seq_file;
OpenPOWER on IntegriCloud