]>
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" | |
19 | ||
a2a4a7e4 NJ |
20 | #include <trace/events/f2fs.h> |
21 | ||
b56ab837 JK |
22 | void f2fs_mark_inode_dirty_sync(struct inode *inode) |
23 | { | |
24 | if (f2fs_inode_dirtied(inode)) | |
25 | return; | |
26 | mark_inode_dirty_sync(inode); | |
27 | } | |
28 | ||
19f99cee JK |
29 | void f2fs_set_inode_flags(struct inode *inode) |
30 | { | |
31 | unsigned int flags = F2FS_I(inode)->i_flags; | |
8abfb36a | 32 | unsigned int new_fl = 0; |
19f99cee JK |
33 | |
34 | if (flags & FS_SYNC_FL) | |
8abfb36a | 35 | new_fl |= S_SYNC; |
19f99cee | 36 | if (flags & FS_APPEND_FL) |
8abfb36a | 37 | new_fl |= S_APPEND; |
19f99cee | 38 | if (flags & FS_IMMUTABLE_FL) |
8abfb36a | 39 | new_fl |= S_IMMUTABLE; |
19f99cee | 40 | if (flags & FS_NOATIME_FL) |
8abfb36a | 41 | new_fl |= S_NOATIME; |
19f99cee | 42 | if (flags & FS_DIRSYNC_FL) |
8abfb36a | 43 | new_fl |= S_DIRSYNC; |
6a678857 ZZ |
44 | inode_set_flags(inode, new_fl, |
45 | S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC); | |
b56ab837 | 46 | f2fs_mark_inode_dirty_sync(inode); |
19f99cee JK |
47 | } |
48 | ||
3d1e3807 JK |
49 | static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri) |
50 | { | |
51 | if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || | |
52 | S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { | |
53 | if (ri->i_addr[0]) | |
6c311ec6 CF |
54 | inode->i_rdev = |
55 | old_decode_dev(le32_to_cpu(ri->i_addr[0])); | |
3d1e3807 | 56 | else |
6c311ec6 CF |
57 | inode->i_rdev = |
58 | new_decode_dev(le32_to_cpu(ri->i_addr[1])); | |
3d1e3807 JK |
59 | } |
60 | } | |
61 | ||
3c6c2beb JK |
62 | static bool __written_first_block(struct f2fs_inode *ri) |
63 | { | |
adad81ed JK |
64 | block_t addr = le32_to_cpu(ri->i_addr[0]); |
65 | ||
66 | if (addr != NEW_ADDR && addr != NULL_ADDR) | |
3c6c2beb JK |
67 | return true; |
68 | return false; | |
69 | } | |
70 | ||
3d1e3807 JK |
71 | static void __set_inode_rdev(struct inode *inode, struct f2fs_inode *ri) |
72 | { | |
73 | if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { | |
74 | if (old_valid_dev(inode->i_rdev)) { | |
6c311ec6 CF |
75 | ri->i_addr[0] = |
76 | cpu_to_le32(old_encode_dev(inode->i_rdev)); | |
3d1e3807 JK |
77 | ri->i_addr[1] = 0; |
78 | } else { | |
79 | ri->i_addr[0] = 0; | |
6c311ec6 CF |
80 | ri->i_addr[1] = |
81 | cpu_to_le32(new_encode_dev(inode->i_rdev)); | |
3d1e3807 JK |
82 | ri->i_addr[2] = 0; |
83 | } | |
84 | } | |
85 | } | |
86 | ||
9e5ba77f | 87 | static void __recover_inline_status(struct inode *inode, struct page *ipage) |
b3d208f9 JK |
88 | { |
89 | void *inline_data = inline_data_addr(ipage); | |
9e5ba77f CY |
90 | __le32 *start = inline_data; |
91 | __le32 *end = start + MAX_INLINE_DATA / sizeof(__le32); | |
b3d208f9 | 92 | |
9e5ba77f CY |
93 | while (start < end) { |
94 | if (*start++) { | |
fec1d657 | 95 | f2fs_wait_on_page_writeback(ipage, NODE, true); |
b3d208f9 | 96 | |
91942321 JK |
97 | set_inode_flag(inode, FI_DATA_EXIST); |
98 | set_raw_inline(inode, F2FS_INODE(ipage)); | |
9e5ba77f CY |
99 | set_page_dirty(ipage); |
100 | return; | |
101 | } | |
b3d208f9 | 102 | } |
9e5ba77f | 103 | return; |
b3d208f9 JK |
104 | } |
105 | ||
19f99cee JK |
106 | static int do_read_inode(struct inode *inode) |
107 | { | |
4081363f | 108 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
19f99cee JK |
109 | struct f2fs_inode_info *fi = F2FS_I(inode); |
110 | struct page *node_page; | |
19f99cee JK |
111 | struct f2fs_inode *ri; |
112 | ||
113 | /* Check if ino is within scope */ | |
064e0823 NJ |
114 | if (check_nid_range(sbi, inode->i_ino)) { |
115 | f2fs_msg(inode->i_sb, KERN_ERR, "bad inode number: %lu", | |
116 | (unsigned long) inode->i_ino); | |
d6b7d4b3 | 117 | WARN_ON(1); |
064e0823 NJ |
118 | return -EINVAL; |
119 | } | |
19f99cee JK |
120 | |
121 | node_page = get_node_page(sbi, inode->i_ino); | |
122 | if (IS_ERR(node_page)) | |
123 | return PTR_ERR(node_page); | |
124 | ||
58bfaf44 | 125 | ri = F2FS_INODE(node_page); |
19f99cee JK |
126 | |
127 | inode->i_mode = le16_to_cpu(ri->i_mode); | |
128 | i_uid_write(inode, le32_to_cpu(ri->i_uid)); | |
129 | i_gid_write(inode, le32_to_cpu(ri->i_gid)); | |
130 | set_nlink(inode, le32_to_cpu(ri->i_links)); | |
131 | inode->i_size = le64_to_cpu(ri->i_size); | |
132 | inode->i_blocks = le64_to_cpu(ri->i_blocks); | |
133 | ||
134 | inode->i_atime.tv_sec = le64_to_cpu(ri->i_atime); | |
135 | inode->i_ctime.tv_sec = le64_to_cpu(ri->i_ctime); | |
136 | inode->i_mtime.tv_sec = le64_to_cpu(ri->i_mtime); | |
137 | inode->i_atime.tv_nsec = le32_to_cpu(ri->i_atime_nsec); | |
138 | inode->i_ctime.tv_nsec = le32_to_cpu(ri->i_ctime_nsec); | |
139 | inode->i_mtime.tv_nsec = le32_to_cpu(ri->i_mtime_nsec); | |
140 | inode->i_generation = le32_to_cpu(ri->i_generation); | |
141 | ||
142 | fi->i_current_depth = le32_to_cpu(ri->i_current_depth); | |
143 | fi->i_xattr_nid = le32_to_cpu(ri->i_xattr_nid); | |
144 | fi->i_flags = le32_to_cpu(ri->i_flags); | |
145 | fi->flags = 0; | |
19f99cee | 146 | fi->i_advise = ri->i_advise; |
6666e6aa | 147 | fi->i_pino = le32_to_cpu(ri->i_pino); |
38431545 | 148 | fi->i_dir_level = ri->i_dir_level; |
3d1e3807 | 149 | |
ed3d1256 JK |
150 | if (f2fs_init_extent_tree(inode, &ri->i_ext)) |
151 | set_page_dirty(node_page); | |
0c872e2d | 152 | |
91942321 | 153 | get_inline_info(inode, ri); |
3d1e3807 | 154 | |
b3d208f9 JK |
155 | /* check data exist */ |
156 | if (f2fs_has_inline_data(inode) && !f2fs_exist_data(inode)) | |
9e5ba77f | 157 | __recover_inline_status(inode, node_page); |
b3d208f9 | 158 | |
3d1e3807 JK |
159 | /* get rdev by using inline_info */ |
160 | __get_inode_rdev(inode, ri); | |
161 | ||
3c6c2beb | 162 | if (__written_first_block(ri)) |
91942321 | 163 | set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN); |
3c6c2beb | 164 | |
26de9b11 JK |
165 | if (!need_inode_block_update(sbi, inode->i_ino)) |
166 | fi->last_disk_size = inode->i_size; | |
167 | ||
19f99cee | 168 | f2fs_put_page(node_page, 1); |
9d1015dd | 169 | |
d5e8f6c9 | 170 | stat_inc_inline_xattr(inode); |
9d1015dd JK |
171 | stat_inc_inline_inode(inode); |
172 | stat_inc_inline_dir(inode); | |
173 | ||
9e5ba77f | 174 | return 0; |
19f99cee JK |
175 | } |
176 | ||
177 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino) | |
178 | { | |
179 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
180 | struct inode *inode; | |
a2a4a7e4 | 181 | int ret = 0; |
19f99cee JK |
182 | |
183 | inode = iget_locked(sb, ino); | |
184 | if (!inode) | |
185 | return ERR_PTR(-ENOMEM); | |
a2a4a7e4 NJ |
186 | |
187 | if (!(inode->i_state & I_NEW)) { | |
188 | trace_f2fs_iget(inode); | |
19f99cee | 189 | return inode; |
a2a4a7e4 | 190 | } |
19f99cee JK |
191 | if (ino == F2FS_NODE_INO(sbi) || ino == F2FS_META_INO(sbi)) |
192 | goto make_now; | |
193 | ||
194 | ret = do_read_inode(inode); | |
195 | if (ret) | |
196 | goto bad_inode; | |
19f99cee JK |
197 | make_now: |
198 | if (ino == F2FS_NODE_INO(sbi)) { | |
199 | inode->i_mapping->a_ops = &f2fs_node_aops; | |
200 | mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_ZERO); | |
201 | } else if (ino == F2FS_META_INO(sbi)) { | |
202 | inode->i_mapping->a_ops = &f2fs_meta_aops; | |
203 | mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_ZERO); | |
204 | } else if (S_ISREG(inode->i_mode)) { | |
205 | inode->i_op = &f2fs_file_inode_operations; | |
206 | inode->i_fop = &f2fs_file_operations; | |
207 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
208 | } else if (S_ISDIR(inode->i_mode)) { | |
209 | inode->i_op = &f2fs_dir_inode_operations; | |
210 | inode->i_fop = &f2fs_dir_operations; | |
211 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
a78186eb | 212 | mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_HIGH_ZERO); |
19f99cee | 213 | } else if (S_ISLNK(inode->i_mode)) { |
cbaf042a JK |
214 | if (f2fs_encrypted_inode(inode)) |
215 | inode->i_op = &f2fs_encrypted_symlink_inode_operations; | |
216 | else | |
217 | inode->i_op = &f2fs_symlink_inode_operations; | |
21fc61c7 | 218 | inode_nohighmem(inode); |
19f99cee JK |
219 | inode->i_mapping->a_ops = &f2fs_dblock_aops; |
220 | } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || | |
221 | S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { | |
222 | inode->i_op = &f2fs_special_inode_operations; | |
223 | init_special_inode(inode, inode->i_mode, inode->i_rdev); | |
224 | } else { | |
225 | ret = -EIO; | |
226 | goto bad_inode; | |
227 | } | |
228 | unlock_new_inode(inode); | |
a2a4a7e4 | 229 | trace_f2fs_iget(inode); |
19f99cee JK |
230 | return inode; |
231 | ||
232 | bad_inode: | |
233 | iget_failed(inode); | |
a2a4a7e4 | 234 | trace_f2fs_iget_exit(inode, ret); |
19f99cee JK |
235 | return ERR_PTR(ret); |
236 | } | |
237 | ||
e8ea9b3d JK |
238 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino) |
239 | { | |
240 | struct inode *inode; | |
241 | retry: | |
242 | inode = f2fs_iget(sb, ino); | |
243 | if (IS_ERR(inode)) { | |
244 | if (PTR_ERR(inode) == -ENOMEM) { | |
245 | congestion_wait(BLK_RW_ASYNC, HZ/50); | |
246 | goto retry; | |
247 | } | |
248 | } | |
249 | return inode; | |
250 | } | |
251 | ||
12719ae1 | 252 | int update_inode(struct inode *inode, struct page *node_page) |
19f99cee | 253 | { |
19f99cee JK |
254 | struct f2fs_inode *ri; |
255 | ||
1e7c48fa JK |
256 | f2fs_inode_synced(inode); |
257 | ||
fec1d657 | 258 | f2fs_wait_on_page_writeback(node_page, NODE, true); |
19f99cee | 259 | |
58bfaf44 | 260 | ri = F2FS_INODE(node_page); |
19f99cee JK |
261 | |
262 | ri->i_mode = cpu_to_le16(inode->i_mode); | |
263 | ri->i_advise = F2FS_I(inode)->i_advise; | |
264 | ri->i_uid = cpu_to_le32(i_uid_read(inode)); | |
265 | ri->i_gid = cpu_to_le32(i_gid_read(inode)); | |
266 | ri->i_links = cpu_to_le32(inode->i_nlink); | |
267 | ri->i_size = cpu_to_le64(i_size_read(inode)); | |
268 | ri->i_blocks = cpu_to_le64(inode->i_blocks); | |
0c872e2d | 269 | |
3e72f721 JK |
270 | if (F2FS_I(inode)->extent_tree) |
271 | set_raw_extent(&F2FS_I(inode)->extent_tree->largest, | |
272 | &ri->i_ext); | |
273 | else | |
274 | memset(&ri->i_ext, 0, sizeof(ri->i_ext)); | |
91942321 | 275 | set_raw_inline(inode, ri); |
19f99cee JK |
276 | |
277 | ri->i_atime = cpu_to_le64(inode->i_atime.tv_sec); | |
278 | ri->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); | |
279 | ri->i_mtime = cpu_to_le64(inode->i_mtime.tv_sec); | |
280 | ri->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec); | |
281 | ri->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); | |
282 | ri->i_mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec); | |
283 | ri->i_current_depth = cpu_to_le32(F2FS_I(inode)->i_current_depth); | |
284 | ri->i_xattr_nid = cpu_to_le32(F2FS_I(inode)->i_xattr_nid); | |
285 | ri->i_flags = cpu_to_le32(F2FS_I(inode)->i_flags); | |
6666e6aa | 286 | ri->i_pino = cpu_to_le32(F2FS_I(inode)->i_pino); |
19f99cee | 287 | ri->i_generation = cpu_to_le32(inode->i_generation); |
38431545 | 288 | ri->i_dir_level = F2FS_I(inode)->i_dir_level; |
7d79e75f | 289 | |
3d1e3807 | 290 | __set_inode_rdev(inode, ri); |
398b1ac5 | 291 | set_cold_node(inode, node_page); |
12719ae1 | 292 | |
2049d4fc JK |
293 | /* deleted inode */ |
294 | if (inode->i_nlink == 0) | |
295 | clear_inline_node(node_page); | |
296 | ||
12719ae1 | 297 | return set_page_dirty(node_page); |
19f99cee JK |
298 | } |
299 | ||
12719ae1 | 300 | int update_inode_page(struct inode *inode) |
19f99cee | 301 | { |
4081363f | 302 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
19f99cee | 303 | struct page *node_page; |
12719ae1 | 304 | int ret = 0; |
744602cf | 305 | retry: |
19f99cee | 306 | node_page = get_node_page(sbi, inode->i_ino); |
744602cf JK |
307 | if (IS_ERR(node_page)) { |
308 | int err = PTR_ERR(node_page); | |
309 | if (err == -ENOMEM) { | |
310 | cond_resched(); | |
311 | goto retry; | |
312 | } else if (err != -ENOENT) { | |
38f91ca8 | 313 | f2fs_stop_checkpoint(sbi, false); |
744602cf | 314 | } |
0f18b462 | 315 | f2fs_inode_synced(inode); |
12719ae1 | 316 | return 0; |
744602cf | 317 | } |
12719ae1 | 318 | ret = update_inode(inode, node_page); |
19f99cee | 319 | f2fs_put_page(node_page, 1); |
12719ae1 | 320 | return ret; |
19f99cee JK |
321 | } |
322 | ||
39936837 JK |
323 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc) |
324 | { | |
4081363f | 325 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
39936837 JK |
326 | |
327 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
328 | inode->i_ino == F2FS_META_INO(sbi)) | |
329 | return 0; | |
330 | ||
91942321 | 331 | if (!is_inode_flag_set(inode, FI_DIRTY_INODE)) |
b3783873 JK |
332 | return 0; |
333 | ||
39936837 | 334 | /* |
c5cd29d2 | 335 | * We need to balance fs here to prevent from producing dirty node pages |
39936837 JK |
336 | * during the urgent cleaning time when runing out of free sections. |
337 | */ | |
12719ae1 | 338 | if (update_inode_page(inode)) |
2c4db1a6 | 339 | f2fs_balance_fs(sbi, true); |
744602cf | 340 | return 0; |
39936837 JK |
341 | } |
342 | ||
0a8165d7 | 343 | /* |
19f99cee JK |
344 | * Called at the last iput() if i_nlink is zero |
345 | */ | |
346 | void f2fs_evict_inode(struct inode *inode) | |
347 | { | |
4081363f | 348 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
91942321 | 349 | nid_t xnid = F2FS_I(inode)->i_xattr_nid; |
13ec7297 | 350 | int err = 0; |
19f99cee | 351 | |
88b88a66 | 352 | /* some remained atomic pages should discarded */ |
1e84371f | 353 | if (f2fs_is_atomic_file(inode)) |
29b96b54 | 354 | drop_inmem_pages(inode); |
88b88a66 | 355 | |
a2a4a7e4 | 356 | trace_f2fs_evict_inode(inode); |
91b0abe3 | 357 | truncate_inode_pages_final(&inode->i_data); |
19f99cee JK |
358 | |
359 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
360 | inode->i_ino == F2FS_META_INO(sbi)) | |
dbf20cb2 | 361 | goto out_clear; |
19f99cee | 362 | |
a7ffdbe2 | 363 | f2fs_bug_on(sbi, get_dirty_pages(inode)); |
c227f912 | 364 | remove_dirty_inode(inode); |
19f99cee | 365 | |
3e72f721 JK |
366 | f2fs_destroy_extent_tree(inode); |
367 | ||
19f99cee JK |
368 | if (inode->i_nlink || is_bad_inode(inode)) |
369 | goto no_delete; | |
370 | ||
53aa6bbf | 371 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
1ecc0c5c | 372 | if (time_to_inject(sbi, FAULT_EVICT_INODE)) |
53aa6bbf JK |
373 | goto no_delete; |
374 | #endif | |
375 | ||
d6212a5f | 376 | sb_start_intwrite(inode->i_sb); |
91942321 | 377 | set_inode_flag(inode, FI_NO_ALLOC); |
19f99cee | 378 | i_size_write(inode, 0); |
4c0c2949 | 379 | retry: |
19f99cee | 380 | if (F2FS_HAS_BLOCKS(inode)) |
9a449e9c | 381 | err = f2fs_truncate(inode); |
19f99cee | 382 | |
13ec7297 CY |
383 | if (!err) { |
384 | f2fs_lock_op(sbi); | |
385 | err = remove_inode_page(inode); | |
386 | f2fs_unlock_op(sbi); | |
387 | } | |
39936837 | 388 | |
4c0c2949 JK |
389 | /* give more chances, if ENOMEM case */ |
390 | if (err == -ENOMEM) { | |
391 | err = 0; | |
392 | goto retry; | |
393 | } | |
394 | ||
0f18b462 JK |
395 | if (err) |
396 | update_inode_page(inode); | |
d6212a5f | 397 | sb_end_intwrite(inode->i_sb); |
19f99cee | 398 | no_delete: |
d5e8f6c9 | 399 | stat_dec_inline_xattr(inode); |
3289c061 | 400 | stat_dec_inline_dir(inode); |
e7a2bf22 | 401 | stat_dec_inline_inode(inode); |
0bdee482 | 402 | |
8198899b | 403 | invalidate_mapping_pages(NODE_MAPPING(sbi), inode->i_ino, inode->i_ino); |
002a41ca CY |
404 | if (xnid) |
405 | invalidate_mapping_pages(NODE_MAPPING(sbi), xnid, xnid); | |
91942321 | 406 | if (is_inode_flag_set(inode, FI_APPEND_WRITE)) |
a49324f1 | 407 | add_ino_entry(sbi, inode->i_ino, APPEND_INO); |
91942321 | 408 | if (is_inode_flag_set(inode, FI_UPDATE_WRITE)) |
a49324f1 | 409 | add_ino_entry(sbi, inode->i_ino, UPDATE_INO); |
91942321 | 410 | if (is_inode_flag_set(inode, FI_FREE_NID)) { |
221149c0 | 411 | alloc_nid_failed(sbi, inode->i_ino); |
91942321 | 412 | clear_inode_flag(inode, FI_FREE_NID); |
c9b63bd0 | 413 | } |
29234b1d JK |
414 | f2fs_bug_on(sbi, err && |
415 | !exist_written_data(sbi, inode->i_ino, ORPHAN_INO)); | |
dbf20cb2 | 416 | out_clear: |
0b81d077 | 417 | fscrypt_put_encryption_info(inode, NULL); |
dbf20cb2 | 418 | clear_inode(inode); |
19f99cee | 419 | } |
44c16156 JK |
420 | |
421 | /* caller should call f2fs_lock_op() */ | |
422 | void handle_failed_inode(struct inode *inode) | |
423 | { | |
424 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
221149c0 | 425 | struct node_info ni; |
44c16156 | 426 | |
221149c0 | 427 | /* don't make bad inode, since it becomes a regular file. */ |
44c16156 JK |
428 | unlock_new_inode(inode); |
429 | ||
13ec7297 | 430 | /* |
13ec7297 CY |
431 | * Note: we should add inode to orphan list before f2fs_unlock_op() |
432 | * so we can prevent losing this orphan when encoutering checkpoint | |
433 | * and following suddenly power-off. | |
434 | */ | |
221149c0 JK |
435 | get_node_info(sbi, inode->i_ino, &ni); |
436 | ||
437 | if (ni.blk_addr != NULL_ADDR) { | |
438 | int err = acquire_orphan_inode(sbi); | |
439 | if (err) { | |
440 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
441 | f2fs_msg(sbi->sb, KERN_WARNING, | |
442 | "Too many orphan inodes, run fsck to fix."); | |
443 | } else { | |
67c3758d | 444 | add_orphan_inode(inode); |
221149c0 JK |
445 | } |
446 | alloc_nid_done(sbi, inode->i_ino); | |
447 | } else { | |
91942321 | 448 | set_inode_flag(inode, FI_FREE_NID); |
13ec7297 | 449 | } |
44c16156 | 450 | |
44c16156 JK |
451 | f2fs_unlock_op(sbi); |
452 | ||
453 | /* iput will drop the inode object */ | |
454 | iput(inode); | |
455 | } |