* Re: [RFC PATCH v5 4/4] erofs: introduce .fadvise for page cache share
[not found] <20250105151208.3797385-5-hongzhen@linux.alibaba.com>
@ 2025-01-06 3:40 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-01-06 3:40 UTC (permalink / raw)
To: Hongzhen Luo; +Cc: llvm, oe-kbuild-all
Hi Hongzhen,
[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:
[auto build test ERROR on xiang-erofs/dev-test]
[also build test ERROR on xiang-erofs/dev xiang-erofs/fixes linus/master v6.13-rc5 next-20241220]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Hongzhen-Luo/erofs-move-struct-erofs_anon_fs_type-to-super-c/20250105-231438
base: https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git dev-test
patch link: https://lore.kernel.org/r/20250105151208.3797385-5-hongzhen%40linux.alibaba.com
patch subject: [RFC PATCH v5 4/4] erofs: introduce .fadvise for page cache share
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20250106/202501061117.0i32iTXy-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250106/202501061117.0i32iTXy-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202501061117.0i32iTXy-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from fs/erofs/pagecache_share.c:11:
In file included from include/linux/pagemap.h:8:
In file included from include/linux/mm.h:2224:
include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
505 | item];
| ~~~~
include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
512 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
525 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
>> fs/erofs/pagecache_share.c:66:4: error: invalid application of 'sizeof' to an incomplete type 'struct interval_tree_node'
66 | sizeof(struct interval_tree_node), 0,
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/slab.h:430:41: note: expanded from macro 'kmem_cache_create'
430 | default: __kmem_cache_create)(__name, __object_size, __args, __VA_ARGS__)
| ^~~~~~~~~~~~~
fs/erofs/pagecache_share.c:66:18: note: forward declaration of 'struct interval_tree_node'
66 | sizeof(struct interval_tree_node), 0,
| ^
>> fs/erofs/pagecache_share.c:163:8: error: call to undeclared function 'interval_tree_iter_first'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
163 | seg = interval_tree_iter_first(&vi->segs, 0, LLONG_MAX);
| ^
fs/erofs/pagecache_share.c:163:8: note: did you mean 'vma_interval_tree_iter_first'?
include/linux/mm.h:3295:24: note: 'vma_interval_tree_iter_first' declared here
3295 | struct vm_area_struct *vma_interval_tree_iter_first(struct rb_root_cached *root,
| ^
>> fs/erofs/pagecache_share.c:163:6: error: incompatible integer to pointer conversion assigning to 'struct interval_tree_node *' from 'int' [-Wint-conversion]
163 | seg = interval_tree_iter_first(&vi->segs, 0, LLONG_MAX);
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> fs/erofs/pagecache_share.c:165:14: error: call to undeclared function 'interval_tree_iter_next'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
165 | next_seg = interval_tree_iter_next(seg, 0, LLONG_MAX);
| ^
fs/erofs/pagecache_share.c:165:12: error: incompatible integer to pointer conversion assigning to 'struct interval_tree_node *' from 'int' [-Wint-conversion]
165 | next_seg = interval_tree_iter_next(seg, 0, LLONG_MAX);
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> fs/erofs/pagecache_share.c:166:3: error: call to undeclared function 'interval_tree_remove'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
166 | interval_tree_remove(seg, &vi->segs);
| ^
fs/erofs/pagecache_share.c:166:3: note: did you mean 'vma_interval_tree_remove'?
include/linux/mm.h:3293:6: note: 'vma_interval_tree_remove' declared here
3293 | void vma_interval_tree_remove(struct vm_area_struct *node,
| ^
fs/erofs/pagecache_share.c:276:8: error: call to undeclared function 'interval_tree_iter_first'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
276 | seg = interval_tree_iter_first(&vi->segs, start, end);
| ^
fs/erofs/pagecache_share.c:276:6: error: incompatible integer to pointer conversion assigning to 'struct interval_tree_node *' from 'int' [-Wint-conversion]
276 | seg = interval_tree_iter_first(&vi->segs, start, end);
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fs/erofs/pagecache_share.c:278:14: error: call to undeclared function 'interval_tree_iter_next'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
278 | next_seg = interval_tree_iter_next(seg, start, end);
| ^
fs/erofs/pagecache_share.c:278:12: error: incompatible integer to pointer conversion assigning to 'struct interval_tree_node *' from 'int' [-Wint-conversion]
278 | next_seg = interval_tree_iter_next(seg, start, end);
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> fs/erofs/pagecache_share.c:283:21: error: incomplete definition of type 'struct interval_tree_node'
283 | l = max_t(u64, seg->start | 0ULL, start);
| ~~~^
include/linux/minmax.h:221:49: note: expanded from macro 'max_t'
221 | #define max_t(type, x, y) __cmp_once(max, type, x, y)
| ^
include/linux/minmax.h:96:30: note: expanded from macro '__cmp_once'
96 | __cmp_once_unique(op, type, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))
| ^
include/linux/minmax.h:93:16: note: expanded from macro '__cmp_once_unique'
93 | ({ type ux = (x); type uy = (y); __cmp(op, ux, uy); })
| ^
fs/erofs/pagecache_share.c:87:15: note: forward declaration of 'struct interval_tree_node'
87 | static struct interval_tree_node *erofs_pcshr_alloc_seg(void)
| ^
fs/erofs/pagecache_share.c:284:21: error: incomplete definition of type 'struct interval_tree_node'
284 | r = min_t(u64, seg->last | 0ULL, end);
| ~~~^
include/linux/minmax.h:213:49: note: expanded from macro 'min_t'
213 | #define min_t(type, x, y) __cmp_once(min, type, x, y)
| ^
include/linux/minmax.h:96:30: note: expanded from macro '__cmp_once'
96 | __cmp_once_unique(op, type, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))
| ^
include/linux/minmax.h:93:16: note: expanded from macro '__cmp_once_unique'
93 | ({ type ux = (x); type uy = (y); __cmp(op, ux, uy); })
| ^
fs/erofs/pagecache_share.c:87:15: note: forward declaration of 'struct interval_tree_node'
87 | static struct interval_tree_node *erofs_pcshr_alloc_seg(void)
| ^
fs/erofs/pagecache_share.c:289:10: error: incomplete definition of type 'struct interval_tree_node'
289 | if (seg->start < l) {
| ~~~^
fs/erofs/pagecache_share.c:87:15: note: forward declaration of 'struct interval_tree_node'
87 | static struct interval_tree_node *erofs_pcshr_alloc_seg(void)
| ^
fs/erofs/pagecache_share.c:291:11: error: incomplete definition of type 'struct interval_tree_node'
291 | new_seg->start = seg->start;
| ~~~~~~~^
fs/erofs/pagecache_share.c:87:15: note: forward declaration of 'struct interval_tree_node'
87 | static struct interval_tree_node *erofs_pcshr_alloc_seg(void)
| ^
fs/erofs/pagecache_share.c:291:24: error: incomplete definition of type 'struct interval_tree_node'
291 | new_seg->start = seg->start;
| ~~~^
fs/erofs/pagecache_share.c:87:15: note: forward declaration of 'struct interval_tree_node'
87 | static struct interval_tree_node *erofs_pcshr_alloc_seg(void)
| ^
fs/erofs/pagecache_share.c:292:11: error: incomplete definition of type 'struct interval_tree_node'
292 | new_seg->last = l;
| ~~~~~~~^
fs/erofs/pagecache_share.c:87:15: note: forward declaration of 'struct interval_tree_node'
87 | static struct interval_tree_node *erofs_pcshr_alloc_seg(void)
| ^
>> fs/erofs/pagecache_share.c:293:4: error: call to undeclared function 'interval_tree_insert'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
293 | interval_tree_insert(new_seg, &vi->segs);
| ^
fs/erofs/pagecache_share.c:293:4: note: did you mean 'vma_interval_tree_insert'?
include/linux/mm.h:3288:6: note: 'vma_interval_tree_insert' declared here
3288 | void vma_interval_tree_insert(struct vm_area_struct *node,
| ^
fs/erofs/pagecache_share.c:297:14: error: incomplete definition of type 'struct interval_tree_node'
297 | if (r < seg->last) {
| ~~~^
fs/erofs/pagecache_share.c:87:15: note: forward declaration of 'struct interval_tree_node'
87 | static struct interval_tree_node *erofs_pcshr_alloc_seg(void)
| ^
fs/erofs/pagecache_share.c:299:11: error: incomplete definition of type 'struct interval_tree_node'
299 | new_seg->start = r;
| ~~~~~~~^
fs/erofs/pagecache_share.c:87:15: note: forward declaration of 'struct interval_tree_node'
87 | static struct interval_tree_node *erofs_pcshr_alloc_seg(void)
| ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
3 warnings and 20 errors generated.
vim +66 fs/erofs/pagecache_share.c
49
50 int erofs_pcshr_init_mnt(void)
51 {
52 int ret;
53 struct vfsmount *tmp;
54
55 mutex_lock(&mnt_counter.mutex);
56 if (!mnt_counter.mnt) {
57 tmp = kern_mount(&erofs_anon_fs_type);
58 if (IS_ERR(tmp)) {
59 ret = PTR_ERR(tmp);
60 goto out;
61 }
62 mnt_counter.mnt = tmp;
63 kref_init(&mnt_counter.ref);
64
65 mnt_counter.segsp = kmem_cache_create("erofs_segs",
> 66 sizeof(struct interval_tree_node), 0,
67 SLAB_RECLAIM_ACCOUNT | SLAB_ACCOUNT, NULL);
68 if (!mnt_counter.segsp) {
69 ret = -ENOMEM;
70 goto out;
71 }
72 } else
73 kref_get(&mnt_counter.ref);
74 ret = 0;
75 out:
76 mutex_unlock(&mnt_counter.mutex);
77 return ret;
78 }
79
80 void erofs_pcshr_free_mnt(void)
81 {
82 mutex_lock(&mnt_counter.mutex);
83 kref_put(&mnt_counter.ref, erofs_pcshr_counter_release);
84 mutex_unlock(&mnt_counter.mutex);
85 }
86
> 87 static struct interval_tree_node *erofs_pcshr_alloc_seg(void)
88 {
89 return kmem_cache_alloc(mnt_counter.segsp, GFP_KERNEL);
90 }
91
92 static void erofs_pcshr_free_seg(struct interval_tree_node *seg)
93 {
94 kmem_cache_free(mnt_counter.segsp, seg);
95 }
96
97 static int erofs_fprt_eq(struct inode *inode, void *data)
98 {
99 struct erofs_pcshr_private *ano_private = inode->i_private;
100
101 return ano_private && memcmp(ano_private->fprt, data,
102 sizeof(size_t) + *(size_t *)data) == 0 ? 1 : 0;
103 }
104
105 static int erofs_fprt_set(struct inode *inode, void *data)
106 {
107 struct erofs_pcshr_private *ano_private;
108
109 ano_private = kmalloc(sizeof(struct erofs_pcshr_private), GFP_KERNEL);
110 if (!ano_private)
111 return -ENOMEM;
112 memcpy(ano_private, data, sizeof(size_t) + *(size_t *)data);
113 mutex_init(&ano_private->mutex);
114 inode->i_private = ano_private;
115 return 0;
116 }
117
118 int erofs_pcshr_fill_inode(struct inode *inode)
119 {
120 struct erofs_inode *vi = EROFS_I(inode);
121 /* | fingerprint length | fingerprint content | */
122 char fprt[PCSHR_FPRT_MAXLEN];
123 struct inode *ano_inode;
124 unsigned long fprt_hash;
125 size_t fprt_len;
126 int ret = -1;
127
128 vi->ano_inode = NULL;
129 memset(fprt, 0, sizeof(fprt));
130 fprt_len = erofs_getxattr(inode, PCSHR_FPRT_IDX, PCSHR_FPRT_NAME,
131 fprt + sizeof(size_t), PCSHR_FPRT_MAXLEN);
132 if (fprt_len > 0 && fprt_len <= PCSHR_FPRT_MAXLEN) {
133 *(size_t *)fprt = fprt_len;
134 fprt_hash = xxh32(fprt + sizeof(size_t), fprt_len, 0);
135 ano_inode = iget5_locked(mnt_counter.mnt->mnt_sb, fprt_hash,
136 erofs_fprt_eq, erofs_fprt_set, fprt);
137 DBG_BUGON(!ano_inode);
138 vi->ano_inode = ano_inode;
139 vi->segs = RB_ROOT_CACHED;
140 mutex_init(&vi->segs_mutex);
141 if (ano_inode->i_state & I_NEW) {
142 if (erofs_inode_is_data_compressed(vi->datalayout))
143 ano_inode->i_mapping->a_ops = &z_erofs_aops;
144 else
145 ano_inode->i_mapping->a_ops = &erofs_aops;
146 ano_inode->i_size = inode->i_size;
147 unlock_new_inode(ano_inode);
148 }
149 ret = 0;
150 }
151 return ret;
152 }
153
154 void erofs_pcshr_free_inode(struct inode *inode)
155 {
156 struct interval_tree_node *seg, *next_seg;
157 struct erofs_inode *vi = EROFS_I(inode);
158
159 if (S_ISREG(inode->i_mode) && vi->ano_inode) {
160 iput(vi->ano_inode);
161 vi->ano_inode = NULL;
162 }
> 163 seg = interval_tree_iter_first(&vi->segs, 0, LLONG_MAX);
164 while (seg) {
> 165 next_seg = interval_tree_iter_next(seg, 0, LLONG_MAX);
> 166 interval_tree_remove(seg, &vi->segs);
167 erofs_pcshr_free_seg(seg);
168 seg = next_seg;
169 }
170 }
171
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