Commit | Line | Data |
---|---|---|
0a8165d7 | 1 | /* |
19f99cee JK |
2 | * fs/f2fs/inode.c |
3 | * | |
4 | * Copyright (c) 2012 Samsung Electronics Co., Ltd. | |
5 | * http://www.samsung.com/ | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | #include <linux/fs.h> | |
12 | #include <linux/f2fs_fs.h> | |
13 | #include <linux/buffer_head.h> | |
e8ea9b3d | 14 | #include <linux/backing-dev.h> |
19f99cee JK |
15 | #include <linux/writeback.h> |
16 | ||
17 | #include "f2fs.h" | |
18 | #include "node.h" | |
0eb0adad | 19 | #include "segment.h" |
19f99cee | 20 | |
a2a4a7e4 NJ |
21 | #include <trace/events/f2fs.h> |
22 | ||
7c45729a | 23 | void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync) |
b56ab837 | 24 | { |
7c45729a | 25 | if (f2fs_inode_dirtied(inode, sync)) |
b56ab837 | 26 | return; |
7c45729a | 27 | |
b56ab837 JK |
28 | mark_inode_dirty_sync(inode); |
29 | } | |
30 | ||
19f99cee JK |
31 | void f2fs_set_inode_flags(struct inode *inode) |
32 | { | |
33 | unsigned int flags = F2FS_I(inode)->i_flags; | |
8abfb36a | 34 | unsigned int new_fl = 0; |
19f99cee JK |
35 | |
36 | if (flags & FS_SYNC_FL) | |
8abfb36a | 37 | new_fl |= S_SYNC; |
19f99cee | 38 | if (flags & FS_APPEND_FL) |
8abfb36a | 39 | new_fl |= S_APPEND; |
19f99cee | 40 | if (flags & FS_IMMUTABLE_FL) |
8abfb36a | 41 | new_fl |= S_IMMUTABLE; |
19f99cee | 42 | if (flags & FS_NOATIME_FL) |
8abfb36a | 43 | new_fl |= S_NOATIME; |
19f99cee | 44 | if (flags & FS_DIRSYNC_FL) |
8abfb36a | 45 | new_fl |= S_DIRSYNC; |
6a678857 ZZ |
46 | inode_set_flags(inode, new_fl, |
47 | S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC); | |
19f99cee JK |
48 | } |
49 | ||
3d1e3807 JK |
50 | static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri) |
51 | { | |
52 | if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || | |
53 | S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { | |
54 | if (ri->i_addr[0]) | |
6c311ec6 CF |
55 | inode->i_rdev = |
56 | old_decode_dev(le32_to_cpu(ri->i_addr[0])); | |
3d1e3807 | 57 | else |
6c311ec6 CF |
58 | inode->i_rdev = |
59 | new_decode_dev(le32_to_cpu(ri->i_addr[1])); | |
3d1e3807 JK |
60 | } |
61 | } | |
62 | ||
3c6c2beb JK |
63 | static bool __written_first_block(struct f2fs_inode *ri) |
64 | { | |
adad81ed JK |
65 | block_t addr = le32_to_cpu(ri->i_addr[0]); |
66 | ||
67 | if (addr != NEW_ADDR && addr != NULL_ADDR) | |
3c6c2beb JK |
68 | return true; |
69 | return false; | |
70 | } | |
71 | ||
3d1e3807 JK |
72 | static void __set_inode_rdev(struct inode *inode, struct f2fs_inode *ri) |
73 | { | |
74 | if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { | |
75 | if (old_valid_dev(inode->i_rdev)) { | |
6c311ec6 CF |
76 | ri->i_addr[0] = |
77 | cpu_to_le32(old_encode_dev(inode->i_rdev)); | |
3d1e3807 JK |
78 | ri->i_addr[1] = 0; |
79 | } else { | |
80 | ri->i_addr[0] = 0; | |
6c311ec6 CF |
81 | ri->i_addr[1] = |
82 | cpu_to_le32(new_encode_dev(inode->i_rdev)); | |
3d1e3807 JK |
83 | ri->i_addr[2] = 0; |
84 | } | |
85 | } | |
86 | } | |
87 | ||
9e5ba77f | 88 | static void __recover_inline_status(struct inode *inode, struct page *ipage) |
b3d208f9 JK |
89 | { |
90 | void *inline_data = inline_data_addr(ipage); | |
9e5ba77f CY |
91 | __le32 *start = inline_data; |
92 | __le32 *end = start + MAX_INLINE_DATA / sizeof(__le32); | |
b3d208f9 | 93 | |
9e5ba77f CY |
94 | while (start < end) { |
95 | if (*start++) { | |
fec1d657 | 96 | f2fs_wait_on_page_writeback(ipage, NODE, true); |
b3d208f9 | 97 | |
91942321 JK |
98 | set_inode_flag(inode, FI_DATA_EXIST); |
99 | set_raw_inline(inode, F2FS_INODE(ipage)); | |
9e5ba77f CY |
100 | set_page_dirty(ipage); |
101 | return; | |
102 | } | |
b3d208f9 | 103 | } |
9e5ba77f | 104 | return; |
b3d208f9 JK |
105 | } |
106 | ||
19f99cee JK |
107 | static int do_read_inode(struct inode *inode) |
108 | { | |
4081363f | 109 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
19f99cee JK |
110 | struct f2fs_inode_info *fi = F2FS_I(inode); |
111 | struct page *node_page; | |
19f99cee JK |
112 | struct f2fs_inode *ri; |
113 | ||
114 | /* Check if ino is within scope */ | |
064e0823 NJ |
115 | if (check_nid_range(sbi, inode->i_ino)) { |
116 | f2fs_msg(inode->i_sb, KERN_ERR, "bad inode number: %lu", | |
117 | (unsigned long) inode->i_ino); | |
d6b7d4b3 | 118 | WARN_ON(1); |
064e0823 NJ |
119 | return -EINVAL; |
120 | } | |
19f99cee JK |
121 | |
122 | node_page = get_node_page(sbi, inode->i_ino); | |
123 | if (IS_ERR(node_page)) | |
124 | return PTR_ERR(node_page); | |
125 | ||
58bfaf44 | 126 | ri = F2FS_INODE(node_page); |
19f99cee JK |
127 | |
128 | inode->i_mode = le16_to_cpu(ri->i_mode); | |
129 | i_uid_write(inode, le32_to_cpu(ri->i_uid)); | |
130 | i_gid_write(inode, le32_to_cpu(ri->i_gid)); | |
131 | set_nlink(inode, le32_to_cpu(ri->i_links)); | |
132 | inode->i_size = le64_to_cpu(ri->i_size); | |
000519f2 | 133 | inode->i_blocks = SECTOR_FROM_BLOCK(le64_to_cpu(ri->i_blocks) - 1); |
19f99cee JK |
134 | |
135 | inode->i_atime.tv_sec = le64_to_cpu(ri->i_atime); | |
136 | inode->i_ctime.tv_sec = le64_to_cpu(ri->i_ctime); | |
137 | inode->i_mtime.tv_sec = le64_to_cpu(ri->i_mtime); | |
138 | inode->i_atime.tv_nsec = le32_to_cpu(ri->i_atime_nsec); | |
139 | inode->i_ctime.tv_nsec = le32_to_cpu(ri->i_ctime_nsec); | |
140 | inode->i_mtime.tv_nsec = le32_to_cpu(ri->i_mtime_nsec); | |
141 | inode->i_generation = le32_to_cpu(ri->i_generation); | |
142 | ||
143 | fi->i_current_depth = le32_to_cpu(ri->i_current_depth); | |
144 | fi->i_xattr_nid = le32_to_cpu(ri->i_xattr_nid); | |
145 | fi->i_flags = le32_to_cpu(ri->i_flags); | |
146 | fi->flags = 0; | |
19f99cee | 147 | fi->i_advise = ri->i_advise; |
6666e6aa | 148 | fi->i_pino = le32_to_cpu(ri->i_pino); |
38431545 | 149 | fi->i_dir_level = ri->i_dir_level; |
3d1e3807 | 150 | |
ed3d1256 JK |
151 | if (f2fs_init_extent_tree(inode, &ri->i_ext)) |
152 | set_page_dirty(node_page); | |
0c872e2d | 153 | |
91942321 | 154 | get_inline_info(inode, ri); |
3d1e3807 | 155 | |
b3d208f9 JK |
156 | /* check data exist */ |
157 | if (f2fs_has_inline_data(inode) && !f2fs_exist_data(inode)) | |
9e5ba77f | 158 | __recover_inline_status(inode, node_page); |
b3d208f9 | 159 | |
3d1e3807 JK |
160 | /* get rdev by using inline_info */ |
161 | __get_inode_rdev(inode, ri); | |
162 | ||
3c6c2beb | 163 | if (__written_first_block(ri)) |
91942321 | 164 | set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN); |
3c6c2beb | 165 | |
26de9b11 JK |
166 | if (!need_inode_block_update(sbi, inode->i_ino)) |
167 | fi->last_disk_size = inode->i_size; | |
168 | ||
19f99cee | 169 | f2fs_put_page(node_page, 1); |
9d1015dd | 170 | |
d5e8f6c9 | 171 | stat_inc_inline_xattr(inode); |
9d1015dd JK |
172 | stat_inc_inline_inode(inode); |
173 | stat_inc_inline_dir(inode); | |
174 | ||
9e5ba77f | 175 | return 0; |
19f99cee JK |
176 | } |
177 | ||
178 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino) | |
179 | { | |
180 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
181 | struct inode *inode; | |
a2a4a7e4 | 182 | int ret = 0; |
19f99cee JK |
183 | |
184 | inode = iget_locked(sb, ino); | |
185 | if (!inode) | |
186 | return ERR_PTR(-ENOMEM); | |
a2a4a7e4 NJ |
187 | |
188 | if (!(inode->i_state & I_NEW)) { | |
189 | trace_f2fs_iget(inode); | |
19f99cee | 190 | return inode; |
a2a4a7e4 | 191 | } |
19f99cee JK |
192 | if (ino == F2FS_NODE_INO(sbi) || ino == F2FS_META_INO(sbi)) |
193 | goto make_now; | |
194 | ||
195 | ret = do_read_inode(inode); | |
196 | if (ret) | |
197 | goto bad_inode; | |
19f99cee JK |
198 | make_now: |
199 | if (ino == F2FS_NODE_INO(sbi)) { | |
200 | inode->i_mapping->a_ops = &f2fs_node_aops; | |
201 | mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_ZERO); | |
202 | } else if (ino == F2FS_META_INO(sbi)) { | |
203 | inode->i_mapping->a_ops = &f2fs_meta_aops; | |
204 | mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_ZERO); | |
205 | } else if (S_ISREG(inode->i_mode)) { | |
206 | inode->i_op = &f2fs_file_inode_operations; | |
207 | inode->i_fop = &f2fs_file_operations; | |
208 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
209 | } else if (S_ISDIR(inode->i_mode)) { | |
210 | inode->i_op = &f2fs_dir_inode_operations; | |
211 | inode->i_fop = &f2fs_dir_operations; | |
212 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
a78186eb | 213 | mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_HIGH_ZERO); |
19f99cee | 214 | } else if (S_ISLNK(inode->i_mode)) { |
cbaf042a JK |
215 | if (f2fs_encrypted_inode(inode)) |
216 | inode->i_op = &f2fs_encrypted_symlink_inode_operations; | |
217 | else | |
218 | inode->i_op = &f2fs_symlink_inode_operations; | |
21fc61c7 | 219 | inode_nohighmem(inode); |
19f99cee JK |
220 | inode->i_mapping->a_ops = &f2fs_dblock_aops; |
221 | } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || | |
222 | S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { | |
223 | inode->i_op = &f2fs_special_inode_operations; | |
224 | init_special_inode(inode, inode->i_mode, inode->i_rdev); | |
225 | } else { | |
226 | ret = -EIO; | |
227 | goto bad_inode; | |
228 | } | |
93607124 | 229 | f2fs_set_inode_flags(inode); |
19f99cee | 230 | unlock_new_inode(inode); |
a2a4a7e4 | 231 | trace_f2fs_iget(inode); |
19f99cee JK |
232 | return inode; |
233 | ||
234 | bad_inode: | |
235 | iget_failed(inode); | |
a2a4a7e4 | 236 | trace_f2fs_iget_exit(inode, ret); |
19f99cee JK |
237 | return ERR_PTR(ret); |
238 | } | |
239 | ||
e8ea9b3d JK |
240 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino) |
241 | { | |
242 | struct inode *inode; | |
243 | retry: | |
244 | inode = f2fs_iget(sb, ino); | |
245 | if (IS_ERR(inode)) { | |
246 | if (PTR_ERR(inode) == -ENOMEM) { | |
247 | congestion_wait(BLK_RW_ASYNC, HZ/50); | |
248 | goto retry; | |
249 | } | |
250 | } | |
251 | return inode; | |
252 | } | |
253 | ||
12719ae1 | 254 | int update_inode(struct inode *inode, struct page *node_page) |
19f99cee | 255 | { |
19f99cee | 256 | struct f2fs_inode *ri; |
b691d98f | 257 | struct extent_tree *et = F2FS_I(inode)->extent_tree; |
19f99cee | 258 | |
1e7c48fa JK |
259 | f2fs_inode_synced(inode); |
260 | ||
fec1d657 | 261 | f2fs_wait_on_page_writeback(node_page, NODE, true); |
19f99cee | 262 | |
58bfaf44 | 263 | ri = F2FS_INODE(node_page); |
19f99cee JK |
264 | |
265 | ri->i_mode = cpu_to_le16(inode->i_mode); | |
266 | ri->i_advise = F2FS_I(inode)->i_advise; | |
267 | ri->i_uid = cpu_to_le32(i_uid_read(inode)); | |
268 | ri->i_gid = cpu_to_le32(i_gid_read(inode)); | |
269 | ri->i_links = cpu_to_le32(inode->i_nlink); | |
270 | ri->i_size = cpu_to_le64(i_size_read(inode)); | |
000519f2 | 271 | ri->i_blocks = cpu_to_le64(SECTOR_TO_BLOCK(inode->i_blocks) + 1); |
0c872e2d | 272 | |
b691d98f CY |
273 | if (et) { |
274 | read_lock(&et->lock); | |
275 | set_raw_extent(&et->largest, &ri->i_ext); | |
276 | read_unlock(&et->lock); | |
277 | } else { | |
3e72f721 | 278 | memset(&ri->i_ext, 0, sizeof(ri->i_ext)); |
b691d98f | 279 | } |
91942321 | 280 | set_raw_inline(inode, ri); |
19f99cee JK |
281 | |
282 | ri->i_atime = cpu_to_le64(inode->i_atime.tv_sec); | |
283 | ri->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); | |
284 | ri->i_mtime = cpu_to_le64(inode->i_mtime.tv_sec); | |
285 | ri->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec); | |
286 | ri->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); | |
287 | ri->i_mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec); | |
288 | ri->i_current_depth = cpu_to_le32(F2FS_I(inode)->i_current_depth); | |
289 | ri->i_xattr_nid = cpu_to_le32(F2FS_I(inode)->i_xattr_nid); | |
290 | ri->i_flags = cpu_to_le32(F2FS_I(inode)->i_flags); | |
6666e6aa | 291 | ri->i_pino = cpu_to_le32(F2FS_I(inode)->i_pino); |
19f99cee | 292 | ri->i_generation = cpu_to_le32(inode->i_generation); |
38431545 | 293 | ri->i_dir_level = F2FS_I(inode)->i_dir_level; |
7d79e75f | 294 | |
3d1e3807 | 295 | __set_inode_rdev(inode, ri); |
398b1ac5 | 296 | set_cold_node(inode, node_page); |
12719ae1 | 297 | |
2049d4fc JK |
298 | /* deleted inode */ |
299 | if (inode->i_nlink == 0) | |
300 | clear_inline_node(node_page); | |
301 | ||
12719ae1 | 302 | return set_page_dirty(node_page); |
19f99cee JK |
303 | } |
304 | ||
12719ae1 | 305 | int update_inode_page(struct inode *inode) |
19f99cee | 306 | { |
4081363f | 307 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
19f99cee | 308 | struct page *node_page; |
12719ae1 | 309 | int ret = 0; |
744602cf | 310 | retry: |
19f99cee | 311 | node_page = get_node_page(sbi, inode->i_ino); |
744602cf JK |
312 | if (IS_ERR(node_page)) { |
313 | int err = PTR_ERR(node_page); | |
314 | if (err == -ENOMEM) { | |
315 | cond_resched(); | |
316 | goto retry; | |
317 | } else if (err != -ENOENT) { | |
38f91ca8 | 318 | f2fs_stop_checkpoint(sbi, false); |
744602cf | 319 | } |
12719ae1 | 320 | return 0; |
744602cf | 321 | } |
12719ae1 | 322 | ret = update_inode(inode, node_page); |
19f99cee | 323 | f2fs_put_page(node_page, 1); |
12719ae1 | 324 | return ret; |
19f99cee JK |
325 | } |
326 | ||
39936837 JK |
327 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc) |
328 | { | |
4081363f | 329 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
39936837 JK |
330 | |
331 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
332 | inode->i_ino == F2FS_META_INO(sbi)) | |
333 | return 0; | |
334 | ||
91942321 | 335 | if (!is_inode_flag_set(inode, FI_DIRTY_INODE)) |
b3783873 JK |
336 | return 0; |
337 | ||
39936837 | 338 | /* |
c5cd29d2 | 339 | * We need to balance fs here to prevent from producing dirty node pages |
39936837 JK |
340 | * during the urgent cleaning time when runing out of free sections. |
341 | */ | |
a7881893 JK |
342 | update_inode_page(inode); |
343 | if (wbc && wbc->nr_to_write) | |
2c4db1a6 | 344 | f2fs_balance_fs(sbi, true); |
744602cf | 345 | return 0; |
39936837 JK |
346 | } |
347 | ||
0a8165d7 | 348 | /* |
19f99cee JK |
349 | * Called at the last iput() if i_nlink is zero |
350 | */ | |
351 | void f2fs_evict_inode(struct inode *inode) | |
352 | { | |
4081363f | 353 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
91942321 | 354 | nid_t xnid = F2FS_I(inode)->i_xattr_nid; |
13ec7297 | 355 | int err = 0; |
19f99cee | 356 | |
88b88a66 | 357 | /* some remained atomic pages should discarded */ |
1e84371f | 358 | if (f2fs_is_atomic_file(inode)) |
29b96b54 | 359 | drop_inmem_pages(inode); |
88b88a66 | 360 | |
a2a4a7e4 | 361 | trace_f2fs_evict_inode(inode); |
91b0abe3 | 362 | truncate_inode_pages_final(&inode->i_data); |
19f99cee JK |
363 | |
364 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
365 | inode->i_ino == F2FS_META_INO(sbi)) | |
dbf20cb2 | 366 | goto out_clear; |
19f99cee | 367 | |
a7ffdbe2 | 368 | f2fs_bug_on(sbi, get_dirty_pages(inode)); |
c227f912 | 369 | remove_dirty_inode(inode); |
19f99cee | 370 | |
3e72f721 JK |
371 | f2fs_destroy_extent_tree(inode); |
372 | ||
19f99cee JK |
373 | if (inode->i_nlink || is_bad_inode(inode)) |
374 | goto no_delete; | |
375 | ||
0abd675e CY |
376 | dquot_initialize(inode); |
377 | ||
60dcedc9 CY |
378 | remove_ino_entry(sbi, inode->i_ino, APPEND_INO); |
379 | remove_ino_entry(sbi, inode->i_ino, UPDATE_INO); | |
380 | ||
d6212a5f | 381 | sb_start_intwrite(inode->i_sb); |
91942321 | 382 | set_inode_flag(inode, FI_NO_ALLOC); |
19f99cee | 383 | i_size_write(inode, 0); |
4c0c2949 | 384 | retry: |
19f99cee | 385 | if (F2FS_HAS_BLOCKS(inode)) |
9a449e9c | 386 | err = f2fs_truncate(inode); |
19f99cee | 387 | |
8c1b3c0f JK |
388 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
389 | if (time_to_inject(sbi, FAULT_EVICT_INODE)) { | |
390 | f2fs_show_injection_info(FAULT_EVICT_INODE); | |
391 | err = -EIO; | |
392 | } | |
393 | #endif | |
13ec7297 CY |
394 | if (!err) { |
395 | f2fs_lock_op(sbi); | |
396 | err = remove_inode_page(inode); | |
397 | f2fs_unlock_op(sbi); | |
a11b9f65 CY |
398 | if (err == -ENOENT) |
399 | err = 0; | |
13ec7297 | 400 | } |
39936837 | 401 | |
4c0c2949 JK |
402 | /* give more chances, if ENOMEM case */ |
403 | if (err == -ENOMEM) { | |
404 | err = 0; | |
405 | goto retry; | |
406 | } | |
407 | ||
0f18b462 JK |
408 | if (err) |
409 | update_inode_page(inode); | |
0abd675e | 410 | dquot_free_inode(inode); |
d6212a5f | 411 | sb_end_intwrite(inode->i_sb); |
19f99cee | 412 | no_delete: |
0abd675e CY |
413 | dquot_drop(inode); |
414 | ||
d5e8f6c9 | 415 | stat_dec_inline_xattr(inode); |
3289c061 | 416 | stat_dec_inline_dir(inode); |
e7a2bf22 | 417 | stat_dec_inline_inode(inode); |
0bdee482 | 418 | |
4f295443 JK |
419 | /* ino == 0, if f2fs_new_inode() was failed t*/ |
420 | if (inode->i_ino) | |
421 | invalidate_mapping_pages(NODE_MAPPING(sbi), inode->i_ino, | |
422 | inode->i_ino); | |
002a41ca CY |
423 | if (xnid) |
424 | invalidate_mapping_pages(NODE_MAPPING(sbi), xnid, xnid); | |
60dcedc9 CY |
425 | if (inode->i_nlink) { |
426 | if (is_inode_flag_set(inode, FI_APPEND_WRITE)) | |
427 | add_ino_entry(sbi, inode->i_ino, APPEND_INO); | |
428 | if (is_inode_flag_set(inode, FI_UPDATE_WRITE)) | |
429 | add_ino_entry(sbi, inode->i_ino, UPDATE_INO); | |
430 | } | |
91942321 | 431 | if (is_inode_flag_set(inode, FI_FREE_NID)) { |
221149c0 | 432 | alloc_nid_failed(sbi, inode->i_ino); |
91942321 | 433 | clear_inode_flag(inode, FI_FREE_NID); |
d8c4256c JK |
434 | } else { |
435 | f2fs_bug_on(sbi, err && | |
436 | !exist_written_data(sbi, inode->i_ino, ORPHAN_INO)); | |
c9b63bd0 | 437 | } |
dbf20cb2 | 438 | out_clear: |
0b81d077 | 439 | fscrypt_put_encryption_info(inode, NULL); |
dbf20cb2 | 440 | clear_inode(inode); |
19f99cee | 441 | } |
44c16156 JK |
442 | |
443 | /* caller should call f2fs_lock_op() */ | |
444 | void handle_failed_inode(struct inode *inode) | |
445 | { | |
446 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
221149c0 | 447 | struct node_info ni; |
44c16156 | 448 | |
a11b9f65 CY |
449 | /* |
450 | * clear nlink of inode in order to release resource of inode | |
451 | * immediately. | |
452 | */ | |
453 | clear_nlink(inode); | |
454 | ||
455 | /* | |
456 | * we must call this to avoid inode being remained as dirty, resulting | |
457 | * in a panic when flushing dirty inodes in gdirty_list. | |
458 | */ | |
459 | update_inode_page(inode); | |
9bb02c36 | 460 | f2fs_inode_synced(inode); |
a11b9f65 | 461 | |
221149c0 | 462 | /* don't make bad inode, since it becomes a regular file. */ |
44c16156 JK |
463 | unlock_new_inode(inode); |
464 | ||
13ec7297 | 465 | /* |
13ec7297 CY |
466 | * Note: we should add inode to orphan list before f2fs_unlock_op() |
467 | * so we can prevent losing this orphan when encoutering checkpoint | |
468 | * and following suddenly power-off. | |
469 | */ | |
221149c0 JK |
470 | get_node_info(sbi, inode->i_ino, &ni); |
471 | ||
472 | if (ni.blk_addr != NULL_ADDR) { | |
473 | int err = acquire_orphan_inode(sbi); | |
474 | if (err) { | |
475 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
476 | f2fs_msg(sbi->sb, KERN_WARNING, | |
477 | "Too many orphan inodes, run fsck to fix."); | |
478 | } else { | |
67c3758d | 479 | add_orphan_inode(inode); |
221149c0 JK |
480 | } |
481 | alloc_nid_done(sbi, inode->i_ino); | |
482 | } else { | |
91942321 | 483 | set_inode_flag(inode, FI_FREE_NID); |
13ec7297 | 484 | } |
44c16156 | 485 | |
44c16156 JK |
486 | f2fs_unlock_op(sbi); |
487 | ||
488 | /* iput will drop the inode object */ | |
489 | iput(inode); | |
490 | } |