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-rw-r--r--include/linux/fs.h124
1 files changed, 68 insertions, 56 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 8b3dd145b25e..11559c513dfb 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -55,8 +55,6 @@ struct bdi_writeback;
struct bio;
struct io_comp_batch;
struct fiemap_extent_info;
-struct hd_geometry;
-struct iovec;
struct kiocb;
struct kobject;
struct pipe_inode_info;
@@ -445,6 +443,13 @@ struct address_space_operations {
extern const struct address_space_operations empty_aops;
+/* Structure for tracking metadata buffer heads associated with the mapping */
+struct mapping_metadata_bhs {
+ struct address_space *mapping; /* Mapping bhs are associated with */
+ spinlock_t lock; /* Lock protecting bh list */
+ struct list_head list; /* The list of bhs (b_assoc_buffers) */
+};
+
/**
* struct address_space - Contents of a cacheable, mappable object.
* @host: Owner, either the inode or the block_device.
@@ -464,8 +469,6 @@ extern const struct address_space_operations empty_aops;
* @flags: Error bits and flags (AS_*).
* @wb_err: The most recent error which has occurred.
* @i_private_lock: For use by the owner of the address_space.
- * @i_private_list: For use by the owner of the address_space.
- * @i_private_data: For use by the owner of the address_space.
*/
struct address_space {
struct inode *host;
@@ -484,9 +487,7 @@ struct address_space {
unsigned long flags;
errseq_t wb_err;
spinlock_t i_private_lock;
- struct list_head i_private_list;
struct rw_semaphore i_mmap_rwsem;
- void * i_private_data;
} __attribute__((aligned(sizeof(long)))) __randomize_layout;
/*
* On most architectures that alignment is already the case; but
@@ -783,7 +784,7 @@ struct inode {
#endif
/* Stat data, not accessed from path walking */
- unsigned long i_ino;
+ u64 i_ino;
/*
* Filesystems may only read i_nlink directly. They shall use the
* following functions for modification:
@@ -1917,7 +1918,6 @@ struct dir_context {
*/
#define COPY_FILE_SPLICE (1 << 0)
-struct iov_iter;
struct io_uring_cmd;
struct offset_ctx;
@@ -2058,8 +2058,9 @@ static inline bool can_mmap_file(struct file *file)
return true;
}
-int __compat_vma_mmap(const struct file_operations *f_op,
- struct file *file, struct vm_area_struct *vma);
+void compat_set_desc_from_vma(struct vm_area_desc *desc, const struct file *file,
+ const struct vm_area_struct *vma);
+int __compat_vma_mmap(struct vm_area_desc *desc, struct vm_area_struct *vma);
int compat_vma_mmap(struct file *file, struct vm_area_struct *vma);
static inline int vfs_mmap(struct file *file, struct vm_area_struct *vma)
@@ -2475,6 +2476,19 @@ struct file *dentry_create(struct path *path, int flags, umode_t mode,
const struct cred *cred);
const struct path *backing_file_user_path(const struct file *f);
+#ifdef CONFIG_SECURITY
+void *backing_file_security(const struct file *f);
+void backing_file_set_security(struct file *f, void *security);
+#else
+static inline void *backing_file_security(const struct file *f)
+{
+ return NULL;
+}
+static inline void backing_file_set_security(struct file *f, void *security)
+{
+}
+#endif /* CONFIG_SECURITY */
+
/*
* When mmapping a file on a stackable filesystem (e.g., overlayfs), the file
* stored in ->vm_file is a backing file whose f_inode is on the underlying
@@ -2912,65 +2926,63 @@ static inline bool name_contains_dotdot(const char *name)
#include <linux/err.h>
/* needed for stackable file system support */
-extern loff_t default_llseek(struct file *file, loff_t offset, int whence);
+loff_t default_llseek(struct file *file, loff_t offset, int whence);
-extern loff_t vfs_llseek(struct file *file, loff_t offset, int whence);
+loff_t vfs_llseek(struct file *file, loff_t offset, int whence);
-extern int inode_init_always_gfp(struct super_block *, struct inode *, gfp_t);
+int inode_init_always_gfp(struct super_block *sb, struct inode *inode, gfp_t gfp);
static inline int inode_init_always(struct super_block *sb, struct inode *inode)
{
return inode_init_always_gfp(sb, inode, GFP_NOFS);
}
-extern void inode_init_once(struct inode *);
-extern void address_space_init_once(struct address_space *mapping);
-extern struct inode * igrab(struct inode *);
-extern ino_t iunique(struct super_block *, ino_t);
-extern int inode_needs_sync(struct inode *inode);
-extern int inode_just_drop(struct inode *inode);
+void inode_init_once(struct inode *inode);
+void address_space_init_once(struct address_space *mapping);
+struct inode *igrab(struct inode *inode);
+ino_t iunique(struct super_block *sb, ino_t max_reserved);
+int inode_needs_sync(struct inode *inode);
+int inode_just_drop(struct inode *inode);
static inline int inode_generic_drop(struct inode *inode)
{
return !inode->i_nlink || inode_unhashed(inode);
}
-extern void d_mark_dontcache(struct inode *inode);
+void d_mark_dontcache(struct inode *inode);
-extern struct inode *ilookup5_nowait(struct super_block *sb,
- unsigned long hashval, int (*test)(struct inode *, void *),
- void *data, bool *isnew);
-extern struct inode *ilookup5(struct super_block *sb, unsigned long hashval,
- int (*test)(struct inode *, void *), void *data);
-extern struct inode *ilookup(struct super_block *sb, unsigned long ino);
+struct inode *ilookup5_nowait(struct super_block *sb, u64 hashval,
+ int (*test)(struct inode *, void *), void *data,
+ bool *isnew);
+struct inode *ilookup5(struct super_block *sb, u64 hashval,
+ int (*test)(struct inode *, void *), void *data);
+struct inode *ilookup(struct super_block *sb, u64 ino);
-extern struct inode *inode_insert5(struct inode *inode, unsigned long hashval,
- int (*test)(struct inode *, void *),
- int (*set)(struct inode *, void *),
- void *data);
-struct inode *iget5_locked(struct super_block *, unsigned long,
+struct inode *inode_insert5(struct inode *inode, u64 hashval,
+ int (*test)(struct inode *, void *),
+ int (*set)(struct inode *, void *), void *data);
+struct inode *iget5_locked(struct super_block *sb, u64 hashval,
int (*test)(struct inode *, void *),
- int (*set)(struct inode *, void *), void *);
-struct inode *iget5_locked_rcu(struct super_block *, unsigned long,
+ int (*set)(struct inode *, void *), void *data);
+struct inode *iget5_locked_rcu(struct super_block *sb, u64 hashval,
int (*test)(struct inode *, void *),
- int (*set)(struct inode *, void *), void *);
-extern struct inode * iget_locked(struct super_block *, unsigned long);
-extern struct inode *find_inode_nowait(struct super_block *,
- unsigned long,
- int (*match)(struct inode *,
- unsigned long, void *),
- void *data);
-extern struct inode *find_inode_rcu(struct super_block *, unsigned long,
- int (*)(struct inode *, void *), void *);
-extern struct inode *find_inode_by_ino_rcu(struct super_block *, unsigned long);
-extern int insert_inode_locked4(struct inode *, unsigned long, int (*test)(struct inode *, void *), void *);
-extern int insert_inode_locked(struct inode *);
+ int (*set)(struct inode *, void *), void *data);
+struct inode *iget_locked(struct super_block *sb, u64 ino);
+struct inode *find_inode_nowait(struct super_block *sb, u64 hashval,
+ int (*match)(struct inode *, u64, void *),
+ void *data);
+struct inode *find_inode_rcu(struct super_block *sb, u64 hashval,
+ int (*test)(struct inode *, void *), void *data);
+struct inode *find_inode_by_ino_rcu(struct super_block *sb, u64 ino);
+int insert_inode_locked4(struct inode *inode, u64 hashval,
+ int (*test)(struct inode *, void *), void *data);
+int insert_inode_locked(struct inode *inode);
#ifdef CONFIG_DEBUG_LOCK_ALLOC
-extern void lockdep_annotate_inode_mutex_key(struct inode *inode);
+void lockdep_annotate_inode_mutex_key(struct inode *inode);
#else
static inline void lockdep_annotate_inode_mutex_key(struct inode *inode) { };
#endif
-extern void unlock_new_inode(struct inode *);
-extern void discard_new_inode(struct inode *);
-extern unsigned int get_next_ino(void);
-extern void evict_inodes(struct super_block *sb);
+void unlock_new_inode(struct inode *inode);
+void discard_new_inode(struct inode *inode);
+unsigned int get_next_ino(void);
+void evict_inodes(struct super_block *sb);
void dump_mapping(const struct address_space *);
/*
@@ -3015,21 +3027,21 @@ int setattr_should_drop_sgid(struct mnt_idmap *idmap,
*/
#define alloc_inode_sb(_sb, _cache, _gfp) kmem_cache_alloc_lru(_cache, &_sb->s_inode_lru, _gfp)
-extern void __insert_inode_hash(struct inode *, unsigned long hashval);
+void __insert_inode_hash(struct inode *inode, u64 hashval);
static inline void insert_inode_hash(struct inode *inode)
{
__insert_inode_hash(inode, inode->i_ino);
}
-extern void __remove_inode_hash(struct inode *);
+void __remove_inode_hash(struct inode *inode);
static inline void remove_inode_hash(struct inode *inode)
{
if (!inode_unhashed(inode) && !hlist_fake(&inode->i_hash))
__remove_inode_hash(inode);
}
-extern void inode_sb_list_add(struct inode *inode);
-extern void inode_lru_list_add(struct inode *inode);
+void inode_sb_list_add(struct inode *inode);
+void inode_lru_list_add(struct inode *inode);
int generic_file_mmap(struct file *, struct vm_area_struct *);
int generic_file_mmap_prepare(struct vm_area_desc *desc);
@@ -3295,8 +3307,8 @@ void simple_offset_destroy(struct offset_ctx *octx);
extern const struct file_operations simple_offset_dir_operations;
-extern int __generic_file_fsync(struct file *, loff_t, loff_t, int);
-extern int generic_file_fsync(struct file *, loff_t, loff_t, int);
+extern int simple_fsync_noflush(struct file *, loff_t, loff_t, int);
+extern int simple_fsync(struct file *, loff_t, loff_t, int);
extern int generic_check_addressable(unsigned, u64);
generated by cgit v1.2.3 (git 2.0.4) at 2026-05-12 07:19:01 +0000