From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径
---
kernel/drivers/infiniband/hw/qib/qib_fs.c | 40 +++++++++++++++++++++-------------------
1 files changed, 21 insertions(+), 19 deletions(-)
diff --git a/kernel/drivers/infiniband/hw/qib/qib_fs.c b/kernel/drivers/infiniband/hw/qib/qib_fs.c
index 1d940a2..e336d77 100644
--- a/kernel/drivers/infiniband/hw/qib/qib_fs.c
+++ b/kernel/drivers/infiniband/hw/qib/qib_fs.c
@@ -34,6 +34,7 @@
#include <linux/module.h>
#include <linux/fs.h>
+#include <linux/fs_context.h>
#include <linux/mount.h>
#include <linux/pagemap.h>
#include <linux/init.h>
@@ -492,7 +493,7 @@
remove_file(dir, "flash");
inode_unlock(d_inode(dir));
ret = simple_rmdir(d_inode(root), dir);
- d_delete(dir);
+ d_drop(dir);
dput(dir);
bail:
@@ -506,10 +507,10 @@
* after device init. The direct add_cntr_files() call handles adding
* them from the init code, when the fs is already mounted.
*/
-static int qibfs_fill_super(struct super_block *sb, void *data, int silent)
+static int qibfs_fill_super(struct super_block *sb, struct fs_context *fc)
{
- struct qib_devdata *dd, *tmp;
- unsigned long flags;
+ struct qib_devdata *dd;
+ unsigned long index;
int ret;
static const struct tree_descr files[] = {
@@ -524,31 +525,32 @@
goto bail;
}
- spin_lock_irqsave(&qib_devs_lock, flags);
-
- list_for_each_entry_safe(dd, tmp, &qib_dev_list, list) {
- spin_unlock_irqrestore(&qib_devs_lock, flags);
+ xa_for_each(&qib_dev_table, index, dd) {
ret = add_cntr_files(sb, dd);
if (ret)
goto bail;
- spin_lock_irqsave(&qib_devs_lock, flags);
}
-
- spin_unlock_irqrestore(&qib_devs_lock, flags);
bail:
return ret;
}
-static struct dentry *qibfs_mount(struct file_system_type *fs_type, int flags,
- const char *dev_name, void *data)
+static int qibfs_get_tree(struct fs_context *fc)
{
- struct dentry *ret;
-
- ret = mount_single(fs_type, flags, data, qibfs_fill_super);
- if (!IS_ERR(ret))
- qib_super = ret->d_sb;
+ int ret = get_tree_single(fc, qibfs_fill_super);
+ if (ret == 0)
+ qib_super = fc->root->d_sb;
return ret;
+}
+
+static const struct fs_context_operations qibfs_context_ops = {
+ .get_tree = qibfs_get_tree,
+};
+
+static int qibfs_init_fs_context(struct fs_context *fc)
+{
+ fc->ops = &qibfs_context_ops;
+ return 0;
}
static void qibfs_kill_super(struct super_block *s)
@@ -589,7 +591,7 @@
static struct file_system_type qibfs_fs_type = {
.owner = THIS_MODULE,
.name = "ipathfs",
- .mount = qibfs_mount,
+ .init_fs_context = qibfs_init_fs_context,
.kill_sb = qibfs_kill_super,
};
MODULE_ALIAS_FS("ipathfs");
--
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