From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/fs/btrfs/btrfs_inode.h | 140 +++++++++++++++++++++++++++++-----------------
1 files changed, 88 insertions(+), 52 deletions(-)
diff --git a/kernel/fs/btrfs/btrfs_inode.h b/kernel/fs/btrfs/btrfs_inode.h
index 45f5cf9..5a43f8e 100644
--- a/kernel/fs/btrfs/btrfs_inode.h
+++ b/kernel/fs/btrfs/btrfs_inode.h
@@ -7,6 +7,7 @@
#define BTRFS_INODE_H
#include <linux/hash.h>
+#include <linux/refcount.h>
#include "extent_map.h"
#include "extent_io.h"
#include "ordered-data.h"
@@ -20,16 +21,36 @@
* new data the application may have written before commit.
*/
enum {
- BTRFS_INODE_ORDERED_DATA_CLOSE = 0,
+ BTRFS_INODE_FLUSH_ON_CLOSE,
BTRFS_INODE_DUMMY,
BTRFS_INODE_IN_DEFRAG,
BTRFS_INODE_HAS_ASYNC_EXTENT,
+ /*
+ * Always set under the VFS' inode lock, otherwise it can cause races
+ * during fsync (we start as a fast fsync and then end up in a full
+ * fsync racing with ordered extent completion).
+ */
BTRFS_INODE_NEEDS_FULL_SYNC,
BTRFS_INODE_COPY_EVERYTHING,
BTRFS_INODE_IN_DELALLOC_LIST,
- BTRFS_INODE_READDIO_NEED_LOCK,
BTRFS_INODE_HAS_PROPS,
BTRFS_INODE_SNAPSHOT_FLUSH,
+ /*
+ * Set and used when logging an inode and it serves to signal that an
+ * inode does not have xattrs, so subsequent fsyncs can avoid searching
+ * for xattrs to log. This bit must be cleared whenever a xattr is added
+ * to an inode.
+ */
+ BTRFS_INODE_NO_XATTRS,
+ /*
+ * Set when we are in a context where we need to start a transaction and
+ * have dirty pages with the respective file range locked. This is to
+ * ensure that when reserving space for the transaction, if we are low
+ * on available space and need to flush delalloc, we will not flush
+ * delalloc for this inode, because that could result in a deadlock (on
+ * the file range, inode's io_tree).
+ */
+ BTRFS_INODE_NO_DELALLOC_FLUSH,
};
/* in memory btrfs inode */
@@ -60,11 +81,14 @@
*/
struct extent_io_tree io_failure_tree;
+ /*
+ * Keep track of where the inode has extent items mapped in order to
+ * make sure the i_size adjustments are accurate
+ */
+ struct extent_io_tree file_extent_tree;
+
/* held while logging the inode in tree-log.c */
struct mutex log_mutex;
-
- /* held while doing delalloc reservations */
- struct mutex delalloc_mutex;
/* used to order data wrt metadata */
struct btrfs_ordered_inode_tree ordered_tree;
@@ -148,10 +172,15 @@
u64 last_unlink_trans;
/*
- * Track the transaction id of the last transaction used to create a
- * hard link for the inode. This is used by the log tree (fsync).
+ * The id/generation of the last transaction where this inode was
+ * either the source or the destination of a clone/dedupe operation.
+ * Used when logging an inode to know if there are shared extents that
+ * need special care when logging checksum items, to avoid duplicate
+ * checksum items in a log (which can lead to a corruption where we end
+ * up with missing checksum ranges after log replay).
+ * Protected by the vfs inode lock.
*/
- u64 last_link_trans;
+ u64 last_reflink_trans;
/*
* Number of bytes outstanding that are going to need csums. This is
@@ -203,7 +232,10 @@
struct inode vfs_inode;
};
-extern unsigned char btrfs_filetype_table[];
+static inline u32 btrfs_inode_sectorsize(const struct btrfs_inode *inode)
+{
+ return inode->root->fs_info->sectorsize;
+}
static inline struct btrfs_inode *BTRFS_I(const struct inode *inode)
{
@@ -213,7 +245,7 @@
static inline unsigned long btrfs_inode_hash(u64 objectid,
const struct btrfs_root *root)
{
- u64 h = objectid ^ (root->objectid * GOLDEN_RATIO_PRIME);
+ u64 h = objectid ^ (root->root_key.objectid * GOLDEN_RATIO_PRIME);
#if BITS_PER_LONG == 32
h = (h >> 32) ^ (h & 0xffffffff);
@@ -260,6 +292,11 @@
return false;
}
+static inline bool is_data_inode(struct inode *inode)
+{
+ return btrfs_ino(BTRFS_I(inode)) != BTRFS_BTREE_INODE_OBJECTID;
+}
+
static inline void btrfs_mod_outstanding_extents(struct btrfs_inode *inode,
int mod)
{
@@ -269,6 +306,21 @@
return;
trace_btrfs_inode_mod_outstanding_extents(inode->root, btrfs_ino(inode),
mod);
+}
+
+/*
+ * Called every time after doing a buffered, direct IO or memory mapped write.
+ *
+ * This is to ensure that if we write to a file that was previously fsynced in
+ * the current transaction, then try to fsync it again in the same transaction,
+ * we will know that there were changes in the file and that it needs to be
+ * logged.
+ */
+static inline void btrfs_set_inode_last_sub_trans(struct btrfs_inode *inode)
+{
+ spin_lock(&inode->lock);
+ inode->last_sub_trans = inode->root->log_transid;
+ spin_unlock(&inode->lock);
}
static inline int btrfs_inode_in_log(struct btrfs_inode *inode, u64 generation)
@@ -293,69 +345,53 @@
return ret;
}
-#define BTRFS_DIO_ORIG_BIO_SUBMITTED 0x1
-
struct btrfs_dio_private {
struct inode *inode;
- unsigned long flags;
u64 logical_offset;
u64 disk_bytenr;
u64 bytes;
- void *private;
- /* number of bios pending for this dio */
- atomic_t pending_bios;
-
- /* IO errors */
- int errors;
-
- /* orig_bio is our btrfs_io_bio */
- struct bio *orig_bio;
+ /*
+ * References to this structure. There is one reference per in-flight
+ * bio plus one while we're still setting up.
+ */
+ refcount_t refs;
/* dio_bio came from fs/direct-io.c */
struct bio *dio_bio;
- /*
- * The original bio may be split to several sub-bios, this is
- * done during endio of sub-bios
- */
- blk_status_t (*subio_endio)(struct inode *, struct btrfs_io_bio *,
- blk_status_t);
+ /* Array of checksums */
+ u8 csums[];
};
-/*
- * Disable DIO read nolock optimization, so new dio readers will be forced
- * to grab i_mutex. It is used to avoid the endless truncate due to
- * nonlocked dio read.
- */
-static inline void btrfs_inode_block_unlocked_dio(struct btrfs_inode *inode)
-{
- set_bit(BTRFS_INODE_READDIO_NEED_LOCK, &inode->runtime_flags);
- smp_mb();
-}
-
-static inline void btrfs_inode_resume_unlocked_dio(struct btrfs_inode *inode)
-{
- smp_mb__before_atomic();
- clear_bit(BTRFS_INODE_READDIO_NEED_LOCK, &inode->runtime_flags);
-}
+/* Array of bytes with variable length, hexadecimal format 0x1234 */
+#define CSUM_FMT "0x%*phN"
+#define CSUM_FMT_VALUE(size, bytes) size, bytes
static inline void btrfs_print_data_csum_error(struct btrfs_inode *inode,
- u64 logical_start, u32 csum, u32 csum_expected, int mirror_num)
+ u64 logical_start, u8 *csum, u8 *csum_expected, int mirror_num)
{
struct btrfs_root *root = inode->root;
+ struct btrfs_super_block *sb = root->fs_info->super_copy;
+ const u16 csum_size = btrfs_super_csum_size(sb);
/* Output minus objectid, which is more meaningful */
- if (root->objectid >= BTRFS_LAST_FREE_OBJECTID)
+ if (root->root_key.objectid >= BTRFS_LAST_FREE_OBJECTID)
btrfs_warn_rl(root->fs_info,
- "csum failed root %lld ino %lld off %llu csum 0x%08x expected csum 0x%08x mirror %d",
- root->objectid, btrfs_ino(inode),
- logical_start, csum, csum_expected, mirror_num);
+"csum failed root %lld ino %lld off %llu csum " CSUM_FMT " expected csum " CSUM_FMT " mirror %d",
+ root->root_key.objectid, btrfs_ino(inode),
+ logical_start,
+ CSUM_FMT_VALUE(csum_size, csum),
+ CSUM_FMT_VALUE(csum_size, csum_expected),
+ mirror_num);
else
btrfs_warn_rl(root->fs_info,
- "csum failed root %llu ino %llu off %llu csum 0x%08x expected csum 0x%08x mirror %d",
- root->objectid, btrfs_ino(inode),
- logical_start, csum, csum_expected, mirror_num);
+"csum failed root %llu ino %llu off %llu csum " CSUM_FMT " expected csum " CSUM_FMT " mirror %d",
+ root->root_key.objectid, btrfs_ino(inode),
+ logical_start,
+ CSUM_FMT_VALUE(csum_size, csum),
+ CSUM_FMT_VALUE(csum_size, csum_expected),
+ mirror_num);
}
#endif
--
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