write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/fs/orangefs/orangefs-kernel.h
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@@ -51,6 +51,7 @@
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 #include <linux/rwsem.h>
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 #include <linux/xattr.h>
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 #include <linux/exportfs.h>
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+#include <linux/hashtable.h>
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 #include <asm/unaligned.h>
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@@ -192,7 +193,13 @@
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 	sector_t last_failed_block_index_read;
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 	unsigned long getattr_time;
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-	u32 getattr_mask;
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+	unsigned long mapping_time;
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+	int attr_valid;
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+	kuid_t attr_uid;
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+	kgid_t attr_gid;
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+	unsigned long bitlock;
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+
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+	DECLARE_HASHTABLE(xattr_cache, 4);
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 };
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 /* per superblock private orangefs info */
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@@ -217,10 +224,25 @@
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 	unsigned long writes;
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 };
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+struct orangefs_cached_xattr {
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+	struct hlist_node node;
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+	char key[ORANGEFS_MAX_XATTR_NAMELEN];
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+	char val[ORANGEFS_MAX_XATTR_VALUELEN];
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+	ssize_t length;
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+	unsigned long timeout;
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+};
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+
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+struct orangefs_write_range {
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+	loff_t pos;
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+	size_t len;
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+	kuid_t uid;
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+	kgid_t gid;
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+};
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+
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 extern struct orangefs_stats orangefs_stats;
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 /*
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- * NOTE: See Documentation/filesystems/porting for information
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+ * NOTE: See Documentation/filesystems/porting.rst for information
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  * on implementing FOO_I and properly accessing fs private data
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  */
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 static inline struct orangefs_inode_s *ORANGEFS_I(struct inode *inode)
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@@ -329,13 +351,15 @@
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 /*
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  * defined in inode.c
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  */
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+vm_fault_t orangefs_page_mkwrite(struct vm_fault *);
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 struct inode *orangefs_new_inode(struct super_block *sb,
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 			      struct inode *dir,
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 			      int mode,
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 			      dev_t dev,
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 			      struct orangefs_object_kref *ref);
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-int orangefs_setattr(struct dentry *dentry, struct iattr *iattr);
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+int __orangefs_setattr(struct inode *, struct iattr *);
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+int orangefs_setattr(struct dentry *, struct iattr *);
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 int orangefs_getattr(const struct path *path, struct kstat *stat,
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 		     u32 request_mask, unsigned int flags);
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@@ -355,11 +379,6 @@
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 struct inode *orangefs_iget(struct super_block *sb,
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 			 struct orangefs_object_kref *ref);
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-ssize_t orangefs_inode_read(struct inode *inode,
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-			    struct iov_iter *iter,
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-			    loff_t *offset,
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-			    loff_t readahead_size);
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-
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 /*
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  * defined in devorangefs-req.c
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  */
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@@ -369,6 +388,16 @@
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 void orangefs_dev_cleanup(void);
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 int is_daemon_in_service(void);
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 bool __is_daemon_in_service(void);
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+
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+/*
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+ * defined in file.c
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+ */
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+int orangefs_revalidate_mapping(struct inode *);
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+ssize_t wait_for_direct_io(enum ORANGEFS_io_type, struct inode *, loff_t *,
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+    struct iov_iter *, size_t, loff_t, struct orangefs_write_range *, int *,
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+    struct file *);
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+ssize_t do_readv_writev(enum ORANGEFS_io_type, struct file *, loff_t *,
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+    struct iov_iter *);
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 /*
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  * defined in orangefs-utils.c
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@@ -386,12 +415,14 @@
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 			 size_t size,
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 			 int flags);
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-int orangefs_inode_getattr(struct inode *inode, int new, int bypass,
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-    u32 request_mask);
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+#define ORANGEFS_GETATTR_NEW 1
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+#define ORANGEFS_GETATTR_SIZE 2
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+
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+int orangefs_inode_getattr(struct inode *, int);
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 int orangefs_inode_check_changed(struct inode *inode);
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-int orangefs_inode_setattr(struct inode *inode, struct iattr *iattr);
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+int orangefs_inode_setattr(struct inode *inode);
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 bool orangefs_cancel_op_in_progress(struct orangefs_kernel_op_s *op);
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@@ -400,6 +431,7 @@
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 extern struct mutex orangefs_request_mutex;
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 extern int op_timeout_secs;
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 extern int slot_timeout_secs;
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+extern int orangefs_cache_timeout_msecs;
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 extern int orangefs_dcache_timeout_msecs;
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 extern int orangefs_getattr_timeout_msecs;
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 extern struct list_head orangefs_superblocks;
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@@ -426,6 +458,7 @@
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 #define ORANGEFS_OP_CANCELLATION  4   /* this is a cancellation */
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 #define ORANGEFS_OP_NO_MUTEX      8   /* don't acquire request_mutex */
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 #define ORANGEFS_OP_ASYNC         16  /* Queue it, but don't wait */
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+#define ORANGEFS_OP_WRITEBACK     32
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 int service_operation(struct orangefs_kernel_op_s *op,
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 		      const char *op_name,