diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/shmem_fs.h | 3 | ||||
| -rw-r--r-- | include/linux/xattr.h | 26 |
2 files changed, 18 insertions, 11 deletions
diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h index 93a0ba872ebe..69b0177da156 100644 --- a/include/linux/shmem_fs.h +++ b/include/linux/shmem_fs.h @@ -48,7 +48,7 @@ struct shmem_inode_info { }; struct timespec64 i_crtime; /* file creation time */ struct shared_policy policy; /* NUMA memory alloc policy */ - struct simple_xattrs *xattrs; /* list of xattrs */ + struct list_head xattrs; /* list of xattrs */ pgoff_t fallocend; /* highest fallocate endindex */ unsigned int fsflags; /* for FS_IOC_[SG]ETFLAGS */ atomic_t stop_eviction; /* hold when working on inode */ @@ -89,6 +89,7 @@ struct shmem_sb_info { struct list_head shrinklist; /* List of shinkable inodes */ unsigned long shrinklist_len; /* Length of shrinklist */ struct shmem_quota_limits qlimits; /* Default quota limits */ + struct simple_xattr_cache xa_cache; }; static inline struct shmem_inode_info *SHMEM_I(struct inode *inode) diff --git a/include/linux/xattr.h b/include/linux/xattr.h index ded446c1ef81..7aaaf4f8aff5 100644 --- a/include/linux/xattr.h +++ b/include/linux/xattr.h @@ -106,12 +106,14 @@ static inline const char *xattr_prefix(const struct xattr_handler *handler) return handler->prefix ?: handler->name; } -struct simple_xattrs { - struct rhashtable ht; +struct simple_xattr_cache { + struct rhashtable *ht; }; struct simple_xattr { struct rhash_head hash_node; + struct list_head *parent; + struct list_head node; struct rcu_head rcu; char *name; size_t size; @@ -132,27 +134,31 @@ static inline void simple_xattr_limits_init(struct simple_xattr_limits *limits) atomic_set(&limits->xattr_size, 0); } -int simple_xattrs_init(struct simple_xattrs *xattrs); -void simple_xattrs_free(struct simple_xattrs **xattrs, size_t *freed_space); +void simple_xattrs_free(struct simple_xattr_cache *cache, struct list_head *xattrs, + size_t *freed_space); size_t simple_xattr_space(const char *name, size_t size); struct simple_xattr *simple_xattr_alloc(const void *value, size_t size); void simple_xattr_free(struct simple_xattr *xattr); void simple_xattr_free_rcu(struct simple_xattr *xattr); -int simple_xattr_get(struct simple_xattrs **xattrs, const char *name, - void *buffer, size_t size); -struct simple_xattr *simple_xattr_set(struct simple_xattrs **xattrs, +int simple_xattr_get(struct simple_xattr_cache *cache, struct list_head *xattrs, + const char *name, void *buffer, size_t size); +struct simple_xattr *simple_xattr_set(struct simple_xattr_cache *cache, + struct list_head *xattrs, const char *name, const void *value, size_t size, int flags); -int simple_xattr_set_limited(struct simple_xattrs **xattrs, +int simple_xattr_set_limited(struct simple_xattr_cache *cache, + struct list_head *xattrs, struct simple_xattr_limits *limits, const char *name, const void *value, size_t size, int flags); -ssize_t simple_xattr_list(struct inode *inode, struct simple_xattrs **xattrs, +ssize_t simple_xattr_list(struct inode *inode, struct list_head *xattrs, char *buffer, size_t size); -int simple_xattr_add(struct simple_xattrs **xattrs, +int simple_xattr_add(struct simple_xattr_cache *cache, struct list_head *xattrs, struct simple_xattr *new_xattr); int xattr_list_one(char **buffer, ssize_t *remaining_size, const char *name); +void simple_xattr_cache_cleanup(struct simple_xattr_cache *cache); + DEFINE_CLASS(simple_xattr, struct simple_xattr *, if (!IS_ERR_OR_NULL(_T)) simple_xattr_free(_T), |