forked from luck/tmp_suning_uos_patched
btrfs: delete debugfs code
Replaced by the sysfs exports that provide a more fine grained interface for filesystem debugging. Signed-off-by: David Sterba <dsterba@suse.com>
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@ -9,7 +9,6 @@
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#include <linux/completion.h>
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#include <linux/kobject.h>
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#include <linux/bug.h>
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#include <linux/debugfs.h>
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#include "ctree.h"
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#include "disk-io.h"
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@ -829,12 +828,6 @@ int btrfs_sysfs_add_device_link(struct btrfs_fs_devices *fs_devices,
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/* /sys/fs/btrfs/ entry */
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static struct kset *btrfs_kset;
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/* /sys/kernel/debug/btrfs */
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static struct dentry *btrfs_debugfs_root_dentry;
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/* Debugging tunables and exported data */
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u64 btrfs_debugfs_test;
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/*
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* Can be called by the device discovery thread.
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* And parent can be specified for seed device
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@ -940,25 +933,6 @@ void btrfs_sysfs_feature_update(struct btrfs_fs_info *fs_info,
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ret = sysfs_create_group(fsid_kobj, &btrfs_feature_attr_group);
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}
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static void btrfs_init_debugfs(void)
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{
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#ifdef CONFIG_DEBUG_FS
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btrfs_debugfs_root_dentry = debugfs_create_dir("btrfs", NULL);
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/*
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* Example code, how to export data through debugfs.
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*
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* file: /sys/kernel/debug/btrfs/test
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* contents of: btrfs_debugfs_test
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*/
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#ifdef CONFIG_BTRFS_DEBUG
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debugfs_create_u64("test", S_IRUGO | S_IWUSR, btrfs_debugfs_root_dentry,
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&btrfs_debugfs_test);
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#endif
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#endif
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}
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int __init btrfs_init_sysfs(void)
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{
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int ret;
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@ -967,8 +941,6 @@ int __init btrfs_init_sysfs(void)
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if (!btrfs_kset)
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return -ENOMEM;
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btrfs_init_debugfs();
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init_feature_attrs();
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ret = sysfs_create_group(&btrfs_kset->kobj, &btrfs_feature_attr_group);
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if (ret)
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@ -989,7 +961,6 @@ int __init btrfs_init_sysfs(void)
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out_remove_group:
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sysfs_remove_group(&btrfs_kset->kobj, &btrfs_feature_attr_group);
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out2:
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debugfs_remove_recursive(btrfs_debugfs_root_dentry);
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kset_unregister(btrfs_kset);
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return ret;
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@ -1001,6 +972,5 @@ void __cold btrfs_exit_sysfs(void)
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&btrfs_static_feature_attr_group);
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sysfs_remove_group(&btrfs_kset->kobj, &btrfs_feature_attr_group);
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kset_unregister(btrfs_kset);
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debugfs_remove_recursive(btrfs_debugfs_root_dentry);
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}
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@ -3,11 +3,6 @@
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#ifndef BTRFS_SYSFS_H
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#define BTRFS_SYSFS_H
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/*
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* Data exported through sysfs
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*/
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extern u64 btrfs_debugfs_test;
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enum btrfs_feature_set {
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FEAT_COMPAT,
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FEAT_COMPAT_RO,
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