Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/spinlock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/completion.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/buffer_head.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/gfs2_ondisk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/rcupdate.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/rculist_bl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <linux/atomic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <linux/mempool.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include "gfs2.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include "incore.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include "super.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include "sys.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include "util.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #include "glock.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #include "quota.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #include "recovery.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #include "dir.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #include "glops.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) struct workqueue_struct *gfs2_control_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) static void gfs2_init_inode_once(void *foo)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	struct gfs2_inode *ip = foo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	inode_init_once(&ip->i_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	atomic_set(&ip->i_sizehint, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	init_rwsem(&ip->i_rw_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	INIT_LIST_HEAD(&ip->i_trunc_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	INIT_LIST_HEAD(&ip->i_ordered);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	ip->i_qadata = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	gfs2_holder_mark_uninitialized(&ip->i_rgd_gh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	memset(&ip->i_res, 0, sizeof(ip->i_res));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	RB_CLEAR_NODE(&ip->i_res.rs_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	ip->i_hash_cache = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	gfs2_holder_mark_uninitialized(&ip->i_iopen_gh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) static void gfs2_init_glock_once(void *foo)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	struct gfs2_glock *gl = foo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	spin_lock_init(&gl->gl_lockref.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	INIT_LIST_HEAD(&gl->gl_holders);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	INIT_LIST_HEAD(&gl->gl_lru);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	INIT_LIST_HEAD(&gl->gl_ail_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	atomic_set(&gl->gl_ail_count, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	atomic_set(&gl->gl_revokes, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) static void gfs2_init_gl_aspace_once(void *foo)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	struct gfs2_glock *gl = foo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	struct address_space *mapping = (struct address_space *)(gl + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	gfs2_init_glock_once(gl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	address_space_init_once(mapping);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73)  * init_gfs2_fs - Register GFS2 as a filesystem
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75)  * Returns: 0 on success, error code on failure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) static int __init init_gfs2_fs(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	gfs2_str2qstr(&gfs2_qdot, ".");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	gfs2_str2qstr(&gfs2_qdotdot, "..");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	gfs2_quota_hash_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	error = gfs2_sys_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 		return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	error = list_lru_init(&gfs2_qd_lru);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		goto fail_lru;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	error = gfs2_glock_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		goto fail_glock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	error = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	gfs2_glock_cachep = kmem_cache_create("gfs2_glock",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 					      sizeof(struct gfs2_glock),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 					      0, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 					      gfs2_init_glock_once);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	if (!gfs2_glock_cachep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 		goto fail_cachep1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	gfs2_glock_aspace_cachep = kmem_cache_create("gfs2_glock(aspace)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 					sizeof(struct gfs2_glock) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 					sizeof(struct address_space),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 					0, 0, gfs2_init_gl_aspace_once);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	if (!gfs2_glock_aspace_cachep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 		goto fail_cachep2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	gfs2_inode_cachep = kmem_cache_create("gfs2_inode",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 					      sizeof(struct gfs2_inode),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 					      0,  SLAB_RECLAIM_ACCOUNT|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 						  SLAB_MEM_SPREAD|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 						  SLAB_ACCOUNT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 					      gfs2_init_inode_once);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	if (!gfs2_inode_cachep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		goto fail_cachep3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	gfs2_bufdata_cachep = kmem_cache_create("gfs2_bufdata",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 						sizeof(struct gfs2_bufdata),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 					        0, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	if (!gfs2_bufdata_cachep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		goto fail_cachep4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	gfs2_rgrpd_cachep = kmem_cache_create("gfs2_rgrpd",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 					      sizeof(struct gfs2_rgrpd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 					      0, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	if (!gfs2_rgrpd_cachep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 		goto fail_cachep5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	gfs2_quotad_cachep = kmem_cache_create("gfs2_quotad",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 					       sizeof(struct gfs2_quota_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 					       0, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	if (!gfs2_quotad_cachep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 		goto fail_cachep6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	gfs2_qadata_cachep = kmem_cache_create("gfs2_qadata",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 					       sizeof(struct gfs2_qadata),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 					       0, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	if (!gfs2_qadata_cachep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 		goto fail_cachep7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	gfs2_trans_cachep = kmem_cache_create("gfs2_trans",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 					       sizeof(struct gfs2_trans),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 					       0, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	if (!gfs2_trans_cachep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		goto fail_cachep8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	error = register_shrinker(&gfs2_qd_shrinker);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 		goto fail_shrinker;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	error = register_filesystem(&gfs2_fs_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 		goto fail_fs1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	error = register_filesystem(&gfs2meta_fs_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 		goto fail_fs2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	error = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	gfs_recovery_wq = alloc_workqueue("gfs_recovery",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 					  WQ_MEM_RECLAIM | WQ_FREEZABLE, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	if (!gfs_recovery_wq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		goto fail_wq1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	gfs2_control_wq = alloc_workqueue("gfs2_control",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 					  WQ_UNBOUND | WQ_FREEZABLE, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	if (!gfs2_control_wq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 		goto fail_wq2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	gfs2_freeze_wq = alloc_workqueue("freeze_workqueue", 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	if (!gfs2_freeze_wq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 		goto fail_wq3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	gfs2_page_pool = mempool_create_page_pool(64, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	if (!gfs2_page_pool)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		goto fail_mempool;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	gfs2_register_debugfs();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	pr_info("GFS2 installed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) fail_mempool:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	destroy_workqueue(gfs2_freeze_wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) fail_wq3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	destroy_workqueue(gfs2_control_wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) fail_wq2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	destroy_workqueue(gfs_recovery_wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) fail_wq1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	unregister_filesystem(&gfs2meta_fs_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) fail_fs2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	unregister_filesystem(&gfs2_fs_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) fail_fs1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	unregister_shrinker(&gfs2_qd_shrinker);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) fail_shrinker:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	kmem_cache_destroy(gfs2_trans_cachep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) fail_cachep8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	kmem_cache_destroy(gfs2_qadata_cachep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) fail_cachep7:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	kmem_cache_destroy(gfs2_quotad_cachep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) fail_cachep6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	kmem_cache_destroy(gfs2_rgrpd_cachep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) fail_cachep5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	kmem_cache_destroy(gfs2_bufdata_cachep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) fail_cachep4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	kmem_cache_destroy(gfs2_inode_cachep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) fail_cachep3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	kmem_cache_destroy(gfs2_glock_aspace_cachep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) fail_cachep2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	kmem_cache_destroy(gfs2_glock_cachep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) fail_cachep1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	gfs2_glock_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) fail_glock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	list_lru_destroy(&gfs2_qd_lru);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) fail_lru:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	gfs2_sys_uninit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)  * exit_gfs2_fs - Unregister the file system
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) static void __exit exit_gfs2_fs(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	unregister_shrinker(&gfs2_qd_shrinker);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	gfs2_glock_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	gfs2_unregister_debugfs();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	unregister_filesystem(&gfs2_fs_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	unregister_filesystem(&gfs2meta_fs_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	destroy_workqueue(gfs_recovery_wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	destroy_workqueue(gfs2_control_wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	destroy_workqueue(gfs2_freeze_wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	list_lru_destroy(&gfs2_qd_lru);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	rcu_barrier();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	mempool_destroy(gfs2_page_pool);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	kmem_cache_destroy(gfs2_trans_cachep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	kmem_cache_destroy(gfs2_qadata_cachep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	kmem_cache_destroy(gfs2_quotad_cachep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	kmem_cache_destroy(gfs2_rgrpd_cachep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	kmem_cache_destroy(gfs2_bufdata_cachep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	kmem_cache_destroy(gfs2_inode_cachep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	kmem_cache_destroy(gfs2_glock_aspace_cachep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	kmem_cache_destroy(gfs2_glock_cachep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	gfs2_sys_uninit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) MODULE_DESCRIPTION("Global File System");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) MODULE_AUTHOR("Red Hat, Inc.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) module_init(init_gfs2_fs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) module_exit(exit_gfs2_fs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)