From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/fs/btrfs/ordered-data.h | 119 +++++++++++++++++++++++++++++++----------------------------
1 files changed, 63 insertions(+), 56 deletions(-)
diff --git a/kernel/fs/btrfs/ordered-data.h b/kernel/fs/btrfs/ordered-data.h
index 02d813a..c3a2325 100644
--- a/kernel/fs/btrfs/ordered-data.h
+++ b/kernel/fs/btrfs/ordered-data.h
@@ -23,7 +23,7 @@
int len;
struct list_head list;
/* last field is a variable length array of csums */
- u32 sums[];
+ u8 sums[];
};
/*
@@ -37,41 +37,44 @@
* rbtree, just before waking any waiters. It is used to indicate the
* IO is done and any metadata is inserted into the tree.
*/
-#define BTRFS_ORDERED_IO_DONE 0 /* set when all the pages are written */
-
-#define BTRFS_ORDERED_COMPLETE 1 /* set when removed from the tree */
-
-#define BTRFS_ORDERED_NOCOW 2 /* set when we want to write in place */
-
-#define BTRFS_ORDERED_COMPRESSED 3 /* writing a zlib compressed extent */
-
-#define BTRFS_ORDERED_PREALLOC 4 /* set when writing to preallocated extent */
-
-#define BTRFS_ORDERED_DIRECT 5 /* set when we're doing DIO with this extent */
-
-#define BTRFS_ORDERED_IOERR 6 /* We had an io error when writing this out */
-
-#define BTRFS_ORDERED_UPDATED_ISIZE 7 /* indicates whether this ordered extent
- * has done its due diligence in updating
- * the isize. */
-#define BTRFS_ORDERED_TRUNCATED 8 /* Set when we have to truncate an extent */
-
-#define BTRFS_ORDERED_PENDING 9 /* We are waiting for this ordered extent to
- * complete in the current transaction. */
-#define BTRFS_ORDERED_REGULAR 10 /* Regular IO for COW */
+enum {
+ /* set when all the pages are written */
+ BTRFS_ORDERED_IO_DONE,
+ /* set when removed from the tree */
+ BTRFS_ORDERED_COMPLETE,
+ /* set when we want to write in place */
+ BTRFS_ORDERED_NOCOW,
+ /* writing a zlib compressed extent */
+ BTRFS_ORDERED_COMPRESSED,
+ /* set when writing to preallocated extent */
+ BTRFS_ORDERED_PREALLOC,
+ /* set when we're doing DIO with this extent */
+ BTRFS_ORDERED_DIRECT,
+ /* We had an io error when writing this out */
+ BTRFS_ORDERED_IOERR,
+ /* Set when we have to truncate an extent */
+ BTRFS_ORDERED_TRUNCATED,
+ /* Regular IO for COW */
+ BTRFS_ORDERED_REGULAR,
+ /* Used during fsync to track already logged extents */
+ BTRFS_ORDERED_LOGGED,
+ /* We have already logged all the csums of the ordered extent */
+ BTRFS_ORDERED_LOGGED_CSUM,
+ /* We wait for this extent to complete in the current transaction */
+ BTRFS_ORDERED_PENDING,
+};
struct btrfs_ordered_extent {
/* logical offset in the file */
u64 file_offset;
- /* disk byte number */
- u64 start;
-
- /* ram length of the extent in bytes */
- u64 len;
-
- /* extent length on disk */
- u64 disk_len;
+ /*
+ * These fields directly correspond to the same fields in
+ * btrfs_file_extent_item.
+ */
+ u64 disk_bytenr;
+ u64 num_bytes;
+ u64 disk_num_bytes;
/* number of bytes that still need writing */
u64 bytes_left;
@@ -95,6 +98,9 @@
/* compression algorithm */
int compress_type;
+ /* Qgroup reserved space */
+ int qgroup_rsv;
+
/* reference count */
refcount_t refs;
@@ -104,11 +110,8 @@
/* list of checksums for insertion when the extent io is done */
struct list_head list;
- /* If we need to wait on this to be done */
+ /* used for fast fsyncs */
struct list_head log_list;
-
- /* If the transaction needs to wait on this ordered extent */
- struct list_head trans_list;
/* used to wait for the BTRFS_ORDERED_COMPLETE bit */
wait_queue_head_t wait;
@@ -148,44 +151,48 @@
}
void btrfs_put_ordered_extent(struct btrfs_ordered_extent *entry);
-void btrfs_remove_ordered_extent(struct inode *inode,
+void btrfs_remove_ordered_extent(struct btrfs_inode *btrfs_inode,
struct btrfs_ordered_extent *entry);
-int btrfs_dec_test_ordered_pending(struct inode *inode,
+int btrfs_dec_test_ordered_pending(struct btrfs_inode *inode,
struct btrfs_ordered_extent **cached,
u64 file_offset, u64 io_size, int uptodate);
-int btrfs_dec_test_first_ordered_pending(struct inode *inode,
+int btrfs_dec_test_first_ordered_pending(struct btrfs_inode *inode,
struct btrfs_ordered_extent **cached,
u64 *file_offset, u64 io_size,
int uptodate);
-int btrfs_add_ordered_extent(struct inode *inode, u64 file_offset,
- u64 start, u64 len, u64 disk_len, int type);
-int btrfs_add_ordered_extent_dio(struct inode *inode, u64 file_offset,
- u64 start, u64 len, u64 disk_len, int type);
-int btrfs_add_ordered_extent_compress(struct inode *inode, u64 file_offset,
- u64 start, u64 len, u64 disk_len,
- int type, int compress_type);
-void btrfs_add_ordered_sum(struct inode *inode,
- struct btrfs_ordered_extent *entry,
+int btrfs_add_ordered_extent(struct btrfs_inode *inode, u64 file_offset,
+ u64 disk_bytenr, u64 num_bytes, u64 disk_num_bytes,
+ int type);
+int btrfs_add_ordered_extent_dio(struct btrfs_inode *inode, u64 file_offset,
+ u64 disk_bytenr, u64 num_bytes,
+ u64 disk_num_bytes, int type);
+int btrfs_add_ordered_extent_compress(struct btrfs_inode *inode, u64 file_offset,
+ u64 disk_bytenr, u64 num_bytes,
+ u64 disk_num_bytes, int type,
+ int compress_type);
+void btrfs_add_ordered_sum(struct btrfs_ordered_extent *entry,
struct btrfs_ordered_sum *sum);
-struct btrfs_ordered_extent *btrfs_lookup_ordered_extent(struct inode *inode,
+struct btrfs_ordered_extent *btrfs_lookup_ordered_extent(struct btrfs_inode *inode,
u64 file_offset);
-void btrfs_start_ordered_extent(struct inode *inode,
- struct btrfs_ordered_extent *entry, int wait);
+void btrfs_start_ordered_extent(struct btrfs_ordered_extent *entry, int wait);
int btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len);
struct btrfs_ordered_extent *
-btrfs_lookup_first_ordered_extent(struct inode * inode, u64 file_offset);
+btrfs_lookup_first_ordered_extent(struct btrfs_inode *inode, u64 file_offset);
struct btrfs_ordered_extent *btrfs_lookup_ordered_range(
struct btrfs_inode *inode,
u64 file_offset,
u64 len);
-int btrfs_ordered_update_i_size(struct inode *inode, u64 offset,
- struct btrfs_ordered_extent *ordered);
-int btrfs_find_ordered_sum(struct inode *inode, u64 offset, u64 disk_bytenr,
- u32 *sum, int len);
+void btrfs_get_ordered_extents_for_logging(struct btrfs_inode *inode,
+ struct list_head *list);
+int btrfs_find_ordered_sum(struct btrfs_inode *inode, u64 offset,
+ u64 disk_bytenr, u8 *sum, int len);
u64 btrfs_wait_ordered_extents(struct btrfs_root *root, u64 nr,
const u64 range_start, const u64 range_len);
-u64 btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, u64 nr,
+void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, u64 nr,
const u64 range_start, const u64 range_len);
+void btrfs_lock_and_flush_ordered_range(struct btrfs_inode *inode, u64 start,
+ u64 end,
+ struct extent_state **cached_state);
int __init ordered_data_init(void);
void __cold ordered_data_exit(void);
--
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