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path: root/drivers/infiniband/hw/qib/qib_fs.c
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Diffstat (limited to 'drivers/infiniband/hw/qib/qib_fs.c')
-rw-r--r--drivers/infiniband/hw/qib/qib_fs.c47
1 files changed, 25 insertions, 22 deletions
diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c
index f99bddc0171..cab610ccd50 100644
--- a/drivers/infiniband/hw/qib/qib_fs.c
+++ b/drivers/infiniband/hw/qib/qib_fs.c
@@ -1,5 +1,6 @@
/*
- * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2012 Intel Corporation. All rights reserved.
+ * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved.
* Copyright (c) 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -44,10 +45,10 @@
static struct super_block *qib_super;
-#define private2dd(file) ((file)->f_dentry->d_inode->i_private)
+#define private2dd(file) (file_inode(file)->i_private)
static int qibfs_mknod(struct inode *dir, struct dentry *dentry,
- int mode, const struct file_operations *fops,
+ umode_t mode, const struct file_operations *fops,
void *data)
{
int error;
@@ -60,14 +61,14 @@ static int qibfs_mknod(struct inode *dir, struct dentry *dentry,
inode->i_ino = get_next_ino();
inode->i_mode = mode;
- inode->i_uid = 0;
- inode->i_gid = 0;
+ inode->i_uid = GLOBAL_ROOT_UID;
+ inode->i_gid = GLOBAL_ROOT_GID;
inode->i_blocks = 0;
inode->i_atime = CURRENT_TIME;
inode->i_mtime = inode->i_atime;
inode->i_ctime = inode->i_atime;
inode->i_private = data;
- if ((mode & S_IFMT) == S_IFDIR) {
+ if (S_ISDIR(mode)) {
inode->i_op = &simple_dir_inode_operations;
inc_nlink(inode);
inc_nlink(dir);
@@ -82,7 +83,7 @@ bail:
return error;
}
-static int create_file(const char *name, mode_t mode,
+static int create_file(const char *name, umode_t mode,
struct dentry *parent, struct dentry **dentry,
const struct file_operations *fops, void *data)
{
@@ -104,6 +105,7 @@ static int create_file(const char *name, mode_t mode,
static ssize_t driver_stats_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
+ qib_stats.sps_ints = qib_sps_ints();
return simple_read_from_buffer(buf, count, ppos, &qib_stats,
sizeof qib_stats);
}
@@ -170,7 +172,7 @@ static const struct file_operations cntr_ops[] = {
};
/*
- * Could use file->f_dentry->d_inode->i_ino to figure out which file,
+ * Could use file_inode(file)->i_ino to figure out which file,
* instead of separate routine for each, but for now, this works...
*/
@@ -382,7 +384,7 @@ static int add_cntr_files(struct super_block *sb, struct qib_devdata *dd)
ret = create_file(unit, S_IFDIR|S_IRUGO|S_IXUGO, sb->s_root, &dir,
&simple_dir_operations, dd);
if (ret) {
- printk(KERN_ERR "create_file(%s) failed: %d\n", unit, ret);
+ pr_err("create_file(%s) failed: %d\n", unit, ret);
goto bail;
}
@@ -390,21 +392,21 @@ static int add_cntr_files(struct super_block *sb, struct qib_devdata *dd)
ret = create_file("counters", S_IFREG|S_IRUGO, dir, &tmp,
&cntr_ops[0], dd);
if (ret) {
- printk(KERN_ERR "create_file(%s/counters) failed: %d\n",
+ pr_err("create_file(%s/counters) failed: %d\n",
unit, ret);
goto bail;
}
ret = create_file("counter_names", S_IFREG|S_IRUGO, dir, &tmp,
&cntr_ops[1], dd);
if (ret) {
- printk(KERN_ERR "create_file(%s/counter_names) failed: %d\n",
+ pr_err("create_file(%s/counter_names) failed: %d\n",
unit, ret);
goto bail;
}
ret = create_file("portcounter_names", S_IFREG|S_IRUGO, dir, &tmp,
&portcntr_ops[0], dd);
if (ret) {
- printk(KERN_ERR "create_file(%s/%s) failed: %d\n",
+ pr_err("create_file(%s/%s) failed: %d\n",
unit, "portcounter_names", ret);
goto bail;
}
@@ -416,7 +418,7 @@ static int add_cntr_files(struct super_block *sb, struct qib_devdata *dd)
ret = create_file(fname, S_IFREG|S_IRUGO, dir, &tmp,
&portcntr_ops[i], dd);
if (ret) {
- printk(KERN_ERR "create_file(%s/%s) failed: %d\n",
+ pr_err("create_file(%s/%s) failed: %d\n",
unit, fname, ret);
goto bail;
}
@@ -426,7 +428,7 @@ static int add_cntr_files(struct super_block *sb, struct qib_devdata *dd)
ret = create_file(fname, S_IFREG|S_IRUGO, dir, &tmp,
&qsfp_ops[i - 1], dd);
if (ret) {
- printk(KERN_ERR "create_file(%s/%s) failed: %d\n",
+ pr_err("create_file(%s/%s) failed: %d\n",
unit, fname, ret);
goto bail;
}
@@ -435,7 +437,7 @@ static int add_cntr_files(struct super_block *sb, struct qib_devdata *dd)
ret = create_file("flash", S_IFREG|S_IWUSR|S_IRUGO, dir, &tmp,
&flash_ops, dd);
if (ret)
- printk(KERN_ERR "create_file(%s/flash) failed: %d\n",
+ pr_err("create_file(%s/flash) failed: %d\n",
unit, ret);
bail:
return ret;
@@ -453,18 +455,15 @@ static int remove_file(struct dentry *parent, char *name)
goto bail;
}
- spin_lock(&dcache_lock);
spin_lock(&tmp->d_lock);
if (!(d_unhashed(tmp) && tmp->d_inode)) {
- dget_locked(tmp);
__d_drop(tmp);
spin_unlock(&tmp->d_lock);
- spin_unlock(&dcache_lock);
simple_unlink(parent->d_inode, tmp);
} else {
spin_unlock(&tmp->d_lock);
- spin_unlock(&dcache_lock);
}
+ dput(tmp);
ret = 0;
bail:
@@ -489,10 +488,11 @@ static int remove_device_files(struct super_block *sb,
if (IS_ERR(dir)) {
ret = PTR_ERR(dir);
- printk(KERN_ERR "Lookup of %s failed\n", unit);
+ pr_err("Lookup of %s failed\n", unit);
goto bail;
}
+ mutex_lock(&dir->d_inode->i_mutex);
remove_file(dir, "counters");
remove_file(dir, "counter_names");
remove_file(dir, "portcounter_names");
@@ -507,8 +507,10 @@ static int remove_device_files(struct super_block *sb,
}
}
remove_file(dir, "flash");
- d_delete(dir);
+ mutex_unlock(&dir->d_inode->i_mutex);
ret = simple_rmdir(root->d_inode, dir);
+ d_delete(dir);
+ dput(dir);
bail:
mutex_unlock(&root->d_inode->i_mutex);
@@ -535,7 +537,7 @@ static int qibfs_fill_super(struct super_block *sb, void *data, int silent)
ret = simple_fill_super(sb, QIBFS_MAGIC, files);
if (ret) {
- printk(KERN_ERR "simple_fill_super failed: %d\n", ret);
+ pr_err("simple_fill_super failed: %d\n", ret);
goto bail;
}
@@ -606,6 +608,7 @@ static struct file_system_type qibfs_fs_type = {
.mount = qibfs_mount,
.kill_sb = qibfs_kill_super,
};
+MODULE_ALIAS_FS("ipathfs");
int __init qib_init_qibfs(void)
{
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-03 18:28:08 +0000