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 | { |
9ac1e2d8 DJ |
25 | if (is_inode_flag_set(inode, FI_NEW_INODE)) |
26 | return; | |
27 | ||
7c45729a | 28 | if (f2fs_inode_dirtied(inode, sync)) |
b56ab837 | 29 | return; |
7c45729a | 30 | |
b56ab837 JK |
31 | mark_inode_dirty_sync(inode); |
32 | } | |
33 | ||
19f99cee JK |
34 | void f2fs_set_inode_flags(struct inode *inode) |
35 | { | |
36 | unsigned int flags = F2FS_I(inode)->i_flags; | |
8abfb36a | 37 | unsigned int new_fl = 0; |
19f99cee | 38 | |
59c84408 | 39 | if (flags & F2FS_SYNC_FL) |
8abfb36a | 40 | new_fl |= S_SYNC; |
59c84408 | 41 | if (flags & F2FS_APPEND_FL) |
8abfb36a | 42 | new_fl |= S_APPEND; |
59c84408 | 43 | if (flags & F2FS_IMMUTABLE_FL) |
8abfb36a | 44 | new_fl |= S_IMMUTABLE; |
59c84408 | 45 | if (flags & F2FS_NOATIME_FL) |
8abfb36a | 46 | new_fl |= S_NOATIME; |
59c84408 | 47 | if (flags & F2FS_DIRSYNC_FL) |
8abfb36a | 48 | new_fl |= S_DIRSYNC; |
2ee6a576 EB |
49 | if (f2fs_encrypted_inode(inode)) |
50 | new_fl |= S_ENCRYPTED; | |
6a678857 | 51 | inode_set_flags(inode, new_fl, |
2ee6a576 EB |
52 | S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC| |
53 | S_ENCRYPTED); | |
19f99cee JK |
54 | } |
55 | ||
3d1e3807 JK |
56 | static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri) |
57 | { | |
7a2af766 CY |
58 | int extra_size = get_extra_isize(inode); |
59 | ||
3d1e3807 JK |
60 | if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || |
61 | S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { | |
7a2af766 CY |
62 | if (ri->i_addr[extra_size]) |
63 | inode->i_rdev = old_decode_dev( | |
64 | le32_to_cpu(ri->i_addr[extra_size])); | |
3d1e3807 | 65 | else |
7a2af766 CY |
66 | inode->i_rdev = new_decode_dev( |
67 | le32_to_cpu(ri->i_addr[extra_size + 1])); | |
3d1e3807 JK |
68 | } |
69 | } | |
70 | ||
3c6c2beb JK |
71 | static bool __written_first_block(struct f2fs_inode *ri) |
72 | { | |
7a2af766 | 73 | block_t addr = le32_to_cpu(ri->i_addr[offset_in_addr(ri)]); |
adad81ed | 74 | |
7b525dd0 | 75 | if (is_valid_blkaddr(addr)) |
3c6c2beb JK |
76 | return true; |
77 | return false; | |
78 | } | |
79 | ||
3d1e3807 JK |
80 | static void __set_inode_rdev(struct inode *inode, struct f2fs_inode *ri) |
81 | { | |
7a2af766 CY |
82 | int extra_size = get_extra_isize(inode); |
83 | ||
3d1e3807 JK |
84 | if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { |
85 | if (old_valid_dev(inode->i_rdev)) { | |
7a2af766 | 86 | ri->i_addr[extra_size] = |
6c311ec6 | 87 | cpu_to_le32(old_encode_dev(inode->i_rdev)); |
7a2af766 | 88 | ri->i_addr[extra_size + 1] = 0; |
3d1e3807 | 89 | } else { |
7a2af766 CY |
90 | ri->i_addr[extra_size] = 0; |
91 | ri->i_addr[extra_size + 1] = | |
6c311ec6 | 92 | cpu_to_le32(new_encode_dev(inode->i_rdev)); |
7a2af766 | 93 | ri->i_addr[extra_size + 2] = 0; |
3d1e3807 JK |
94 | } |
95 | } | |
96 | } | |
97 | ||
9e5ba77f | 98 | static void __recover_inline_status(struct inode *inode, struct page *ipage) |
b3d208f9 | 99 | { |
f2470371 | 100 | void *inline_data = inline_data_addr(inode, ipage); |
9e5ba77f | 101 | __le32 *start = inline_data; |
f2470371 | 102 | __le32 *end = start + MAX_INLINE_DATA(inode) / sizeof(__le32); |
b3d208f9 | 103 | |
9e5ba77f CY |
104 | while (start < end) { |
105 | if (*start++) { | |
fec1d657 | 106 | f2fs_wait_on_page_writeback(ipage, NODE, true); |
b3d208f9 | 107 | |
91942321 JK |
108 | set_inode_flag(inode, FI_DATA_EXIST); |
109 | set_raw_inline(inode, F2FS_INODE(ipage)); | |
9e5ba77f CY |
110 | set_page_dirty(ipage); |
111 | return; | |
112 | } | |
b3d208f9 | 113 | } |
9e5ba77f | 114 | return; |
b3d208f9 JK |
115 | } |
116 | ||
704956ec CY |
117 | static bool f2fs_enable_inode_chksum(struct f2fs_sb_info *sbi, struct page *page) |
118 | { | |
119 | struct f2fs_inode *ri = &F2FS_NODE(page)->i; | |
704956ec CY |
120 | |
121 | if (!f2fs_sb_has_inode_chksum(sbi->sb)) | |
122 | return false; | |
123 | ||
124 | if (!RAW_IS_INODE(F2FS_NODE(page)) || !(ri->i_inline & F2FS_EXTRA_ATTR)) | |
125 | return false; | |
126 | ||
d6964949 ZZ |
127 | if (!F2FS_FITS_IN_INODE(ri, le16_to_cpu(ri->i_extra_isize), |
128 | i_inode_checksum)) | |
704956ec CY |
129 | return false; |
130 | ||
131 | return true; | |
132 | } | |
133 | ||
134 | static __u32 f2fs_inode_chksum(struct f2fs_sb_info *sbi, struct page *page) | |
135 | { | |
136 | struct f2fs_node *node = F2FS_NODE(page); | |
137 | struct f2fs_inode *ri = &node->i; | |
138 | __le32 ino = node->footer.ino; | |
139 | __le32 gen = ri->i_generation; | |
140 | __u32 chksum, chksum_seed; | |
141 | __u32 dummy_cs = 0; | |
142 | unsigned int offset = offsetof(struct f2fs_inode, i_inode_checksum); | |
143 | unsigned int cs_size = sizeof(dummy_cs); | |
144 | ||
145 | chksum = f2fs_chksum(sbi, sbi->s_chksum_seed, (__u8 *)&ino, | |
146 | sizeof(ino)); | |
147 | chksum_seed = f2fs_chksum(sbi, chksum, (__u8 *)&gen, sizeof(gen)); | |
148 | ||
149 | chksum = f2fs_chksum(sbi, chksum_seed, (__u8 *)ri, offset); | |
150 | chksum = f2fs_chksum(sbi, chksum, (__u8 *)&dummy_cs, cs_size); | |
151 | offset += cs_size; | |
152 | chksum = f2fs_chksum(sbi, chksum, (__u8 *)ri + offset, | |
153 | F2FS_BLKSIZE - offset); | |
154 | return chksum; | |
155 | } | |
156 | ||
157 | bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page) | |
158 | { | |
159 | struct f2fs_inode *ri; | |
160 | __u32 provided, calculated; | |
161 | ||
83a3bfdb JK |
162 | if (unlikely(is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN))) |
163 | return true; | |
164 | ||
ee605234 JK |
165 | if (!f2fs_enable_inode_chksum(sbi, page) || |
166 | PageDirty(page) || PageWriteback(page)) | |
704956ec CY |
167 | return true; |
168 | ||
169 | ri = &F2FS_NODE(page)->i; | |
170 | provided = le32_to_cpu(ri->i_inode_checksum); | |
171 | calculated = f2fs_inode_chksum(sbi, page); | |
172 | ||
173 | if (provided != calculated) | |
174 | f2fs_msg(sbi->sb, KERN_WARNING, | |
175 | "checksum invalid, ino = %x, %x vs. %x", | |
176 | ino_of_node(page), provided, calculated); | |
177 | ||
178 | return provided == calculated; | |
179 | } | |
180 | ||
181 | void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page) | |
182 | { | |
183 | struct f2fs_inode *ri = &F2FS_NODE(page)->i; | |
184 | ||
185 | if (!f2fs_enable_inode_chksum(sbi, page)) | |
186 | return; | |
187 | ||
188 | ri->i_inode_checksum = cpu_to_le32(f2fs_inode_chksum(sbi, page)); | |
189 | } | |
190 | ||
5d64600d JK |
191 | static bool sanity_check_inode(struct inode *inode) |
192 | { | |
193 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
194 | ||
195 | if (f2fs_sb_has_flexible_inline_xattr(sbi->sb) | |
196 | && !f2fs_has_extra_attr(inode)) { | |
197 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
198 | f2fs_msg(sbi->sb, KERN_WARNING, | |
199 | "%s: corrupted inode ino=%lx, run fsck to fix.", | |
200 | __func__, inode->i_ino); | |
201 | return false; | |
202 | } | |
203 | return true; | |
204 | } | |
205 | ||
19f99cee JK |
206 | static int do_read_inode(struct inode *inode) |
207 | { | |
4081363f | 208 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
19f99cee JK |
209 | struct f2fs_inode_info *fi = F2FS_I(inode); |
210 | struct page *node_page; | |
19f99cee | 211 | struct f2fs_inode *ri; |
5c57132e | 212 | projid_t i_projid; |
19f99cee JK |
213 | |
214 | /* Check if ino is within scope */ | |
4d57b86d | 215 | if (f2fs_check_nid_range(sbi, inode->i_ino)) |
064e0823 | 216 | return -EINVAL; |
19f99cee | 217 | |
4d57b86d | 218 | node_page = f2fs_get_node_page(sbi, inode->i_ino); |
19f99cee JK |
219 | if (IS_ERR(node_page)) |
220 | return PTR_ERR(node_page); | |
221 | ||
58bfaf44 | 222 | ri = F2FS_INODE(node_page); |
19f99cee JK |
223 | |
224 | inode->i_mode = le16_to_cpu(ri->i_mode); | |
225 | i_uid_write(inode, le32_to_cpu(ri->i_uid)); | |
226 | i_gid_write(inode, le32_to_cpu(ri->i_gid)); | |
227 | set_nlink(inode, le32_to_cpu(ri->i_links)); | |
228 | inode->i_size = le64_to_cpu(ri->i_size); | |
000519f2 | 229 | inode->i_blocks = SECTOR_FROM_BLOCK(le64_to_cpu(ri->i_blocks) - 1); |
19f99cee JK |
230 | |
231 | inode->i_atime.tv_sec = le64_to_cpu(ri->i_atime); | |
232 | inode->i_ctime.tv_sec = le64_to_cpu(ri->i_ctime); | |
233 | inode->i_mtime.tv_sec = le64_to_cpu(ri->i_mtime); | |
234 | inode->i_atime.tv_nsec = le32_to_cpu(ri->i_atime_nsec); | |
235 | inode->i_ctime.tv_nsec = le32_to_cpu(ri->i_ctime_nsec); | |
236 | inode->i_mtime.tv_nsec = le32_to_cpu(ri->i_mtime_nsec); | |
237 | inode->i_generation = le32_to_cpu(ri->i_generation); | |
1c41e680 CY |
238 | if (S_ISDIR(inode->i_mode)) |
239 | fi->i_current_depth = le32_to_cpu(ri->i_current_depth); | |
240 | else if (S_ISREG(inode->i_mode)) | |
2ef79ecb CY |
241 | fi->i_gc_failures[GC_FAILURE_PIN] = |
242 | le16_to_cpu(ri->i_gc_failures); | |
19f99cee JK |
243 | fi->i_xattr_nid = le32_to_cpu(ri->i_xattr_nid); |
244 | fi->i_flags = le32_to_cpu(ri->i_flags); | |
245 | fi->flags = 0; | |
19f99cee | 246 | fi->i_advise = ri->i_advise; |
6666e6aa | 247 | fi->i_pino = le32_to_cpu(ri->i_pino); |
38431545 | 248 | fi->i_dir_level = ri->i_dir_level; |
3d1e3807 | 249 | |
ed3d1256 JK |
250 | if (f2fs_init_extent_tree(inode, &ri->i_ext)) |
251 | set_page_dirty(node_page); | |
0c872e2d | 252 | |
91942321 | 253 | get_inline_info(inode, ri); |
3d1e3807 | 254 | |
7a2af766 CY |
255 | fi->i_extra_isize = f2fs_has_extra_attr(inode) ? |
256 | le16_to_cpu(ri->i_extra_isize) : 0; | |
257 | ||
6afc662e | 258 | if (f2fs_sb_has_flexible_inline_xattr(sbi->sb)) { |
6afc662e CY |
259 | fi->i_inline_xattr_size = le16_to_cpu(ri->i_inline_xattr_size); |
260 | } else if (f2fs_has_inline_xattr(inode) || | |
261 | f2fs_has_inline_dentry(inode)) { | |
262 | fi->i_inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS; | |
263 | } else { | |
264 | ||
265 | /* | |
266 | * Previous inline data or directory always reserved 200 bytes | |
267 | * in inode layout, even if inline_xattr is disabled. In order | |
268 | * to keep inline_dentry's structure for backward compatibility, | |
269 | * we get the space back only from inline_data. | |
270 | */ | |
271 | fi->i_inline_xattr_size = 0; | |
272 | } | |
273 | ||
b3d208f9 JK |
274 | /* check data exist */ |
275 | if (f2fs_has_inline_data(inode) && !f2fs_exist_data(inode)) | |
9e5ba77f | 276 | __recover_inline_status(inode, node_page); |
b3d208f9 | 277 | |
3d1e3807 JK |
278 | /* get rdev by using inline_info */ |
279 | __get_inode_rdev(inode, ri); | |
280 | ||
3c6c2beb | 281 | if (__written_first_block(ri)) |
91942321 | 282 | set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN); |
3c6c2beb | 283 | |
4d57b86d | 284 | if (!f2fs_need_inode_block_update(sbi, inode->i_ino)) |
26de9b11 JK |
285 | fi->last_disk_size = inode->i_size; |
286 | ||
59c84408 | 287 | if (fi->i_flags & F2FS_PROJINHERIT_FL) |
5c57132e CY |
288 | set_inode_flag(inode, FI_PROJ_INHERIT); |
289 | ||
290 | if (f2fs_has_extra_attr(inode) && f2fs_sb_has_project_quota(sbi->sb) && | |
291 | F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_projid)) | |
292 | i_projid = (projid_t)le32_to_cpu(ri->i_projid); | |
293 | else | |
294 | i_projid = F2FS_DEF_PROJID; | |
295 | fi->i_projid = make_kprojid(&init_user_ns, i_projid); | |
296 | ||
1c1d35df CY |
297 | if (f2fs_has_extra_attr(inode) && f2fs_sb_has_inode_crtime(sbi->sb) && |
298 | F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) { | |
299 | fi->i_crtime.tv_sec = le64_to_cpu(ri->i_crtime); | |
300 | fi->i_crtime.tv_nsec = le32_to_cpu(ri->i_crtime_nsec); | |
301 | } | |
302 | ||
95582b00 DD |
303 | F2FS_I(inode)->i_disk_time[0] = timespec64_to_timespec(inode->i_atime); |
304 | F2FS_I(inode)->i_disk_time[1] = timespec64_to_timespec(inode->i_ctime); | |
305 | F2FS_I(inode)->i_disk_time[2] = timespec64_to_timespec(inode->i_mtime); | |
214c2461 | 306 | F2FS_I(inode)->i_disk_time[3] = F2FS_I(inode)->i_crtime; |
19f99cee | 307 | f2fs_put_page(node_page, 1); |
9d1015dd | 308 | |
d5e8f6c9 | 309 | stat_inc_inline_xattr(inode); |
9d1015dd JK |
310 | stat_inc_inline_inode(inode); |
311 | stat_inc_inline_dir(inode); | |
312 | ||
9e5ba77f | 313 | return 0; |
19f99cee JK |
314 | } |
315 | ||
316 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino) | |
317 | { | |
318 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
319 | struct inode *inode; | |
a2a4a7e4 | 320 | int ret = 0; |
19f99cee JK |
321 | |
322 | inode = iget_locked(sb, ino); | |
323 | if (!inode) | |
324 | return ERR_PTR(-ENOMEM); | |
a2a4a7e4 NJ |
325 | |
326 | if (!(inode->i_state & I_NEW)) { | |
327 | trace_f2fs_iget(inode); | |
19f99cee | 328 | return inode; |
a2a4a7e4 | 329 | } |
19f99cee JK |
330 | if (ino == F2FS_NODE_INO(sbi) || ino == F2FS_META_INO(sbi)) |
331 | goto make_now; | |
332 | ||
333 | ret = do_read_inode(inode); | |
334 | if (ret) | |
335 | goto bad_inode; | |
5d64600d JK |
336 | if (!sanity_check_inode(inode)) { |
337 | ret = -EINVAL; | |
338 | goto bad_inode; | |
339 | } | |
19f99cee JK |
340 | make_now: |
341 | if (ino == F2FS_NODE_INO(sbi)) { | |
342 | inode->i_mapping->a_ops = &f2fs_node_aops; | |
81114baa | 343 | mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS); |
19f99cee JK |
344 | } else if (ino == F2FS_META_INO(sbi)) { |
345 | inode->i_mapping->a_ops = &f2fs_meta_aops; | |
81114baa | 346 | mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS); |
19f99cee JK |
347 | } else if (S_ISREG(inode->i_mode)) { |
348 | inode->i_op = &f2fs_file_inode_operations; | |
349 | inode->i_fop = &f2fs_file_operations; | |
350 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
351 | } else if (S_ISDIR(inode->i_mode)) { | |
352 | inode->i_op = &f2fs_dir_inode_operations; | |
353 | inode->i_fop = &f2fs_dir_operations; | |
354 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
bdbc90fa | 355 | inode_nohighmem(inode); |
19f99cee | 356 | } else if (S_ISLNK(inode->i_mode)) { |
cbaf042a JK |
357 | if (f2fs_encrypted_inode(inode)) |
358 | inode->i_op = &f2fs_encrypted_symlink_inode_operations; | |
359 | else | |
360 | inode->i_op = &f2fs_symlink_inode_operations; | |
21fc61c7 | 361 | inode_nohighmem(inode); |
19f99cee JK |
362 | inode->i_mapping->a_ops = &f2fs_dblock_aops; |
363 | } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || | |
364 | S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { | |
365 | inode->i_op = &f2fs_special_inode_operations; | |
366 | init_special_inode(inode, inode->i_mode, inode->i_rdev); | |
367 | } else { | |
368 | ret = -EIO; | |
369 | goto bad_inode; | |
370 | } | |
93607124 | 371 | f2fs_set_inode_flags(inode); |
19f99cee | 372 | unlock_new_inode(inode); |
a2a4a7e4 | 373 | trace_f2fs_iget(inode); |
19f99cee JK |
374 | return inode; |
375 | ||
376 | bad_inode: | |
377 | iget_failed(inode); | |
a2a4a7e4 | 378 | trace_f2fs_iget_exit(inode, ret); |
19f99cee JK |
379 | return ERR_PTR(ret); |
380 | } | |
381 | ||
e8ea9b3d JK |
382 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino) |
383 | { | |
384 | struct inode *inode; | |
385 | retry: | |
386 | inode = f2fs_iget(sb, ino); | |
387 | if (IS_ERR(inode)) { | |
388 | if (PTR_ERR(inode) == -ENOMEM) { | |
389 | congestion_wait(BLK_RW_ASYNC, HZ/50); | |
390 | goto retry; | |
391 | } | |
392 | } | |
393 | return inode; | |
394 | } | |
395 | ||
4d57b86d | 396 | void f2fs_update_inode(struct inode *inode, struct page *node_page) |
19f99cee | 397 | { |
19f99cee | 398 | struct f2fs_inode *ri; |
b691d98f | 399 | struct extent_tree *et = F2FS_I(inode)->extent_tree; |
19f99cee | 400 | |
fec1d657 | 401 | f2fs_wait_on_page_writeback(node_page, NODE, true); |
211a6fa0 YH |
402 | set_page_dirty(node_page); |
403 | ||
404 | f2fs_inode_synced(inode); | |
19f99cee | 405 | |
58bfaf44 | 406 | ri = F2FS_INODE(node_page); |
19f99cee JK |
407 | |
408 | ri->i_mode = cpu_to_le16(inode->i_mode); | |
409 | ri->i_advise = F2FS_I(inode)->i_advise; | |
410 | ri->i_uid = cpu_to_le32(i_uid_read(inode)); | |
411 | ri->i_gid = cpu_to_le32(i_gid_read(inode)); | |
412 | ri->i_links = cpu_to_le32(inode->i_nlink); | |
413 | ri->i_size = cpu_to_le64(i_size_read(inode)); | |
000519f2 | 414 | ri->i_blocks = cpu_to_le64(SECTOR_TO_BLOCK(inode->i_blocks) + 1); |
0c872e2d | 415 | |
b691d98f CY |
416 | if (et) { |
417 | read_lock(&et->lock); | |
418 | set_raw_extent(&et->largest, &ri->i_ext); | |
419 | read_unlock(&et->lock); | |
420 | } else { | |
3e72f721 | 421 | memset(&ri->i_ext, 0, sizeof(ri->i_ext)); |
b691d98f | 422 | } |
91942321 | 423 | set_raw_inline(inode, ri); |
19f99cee JK |
424 | |
425 | ri->i_atime = cpu_to_le64(inode->i_atime.tv_sec); | |
426 | ri->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); | |
427 | ri->i_mtime = cpu_to_le64(inode->i_mtime.tv_sec); | |
428 | ri->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec); | |
429 | ri->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); | |
430 | ri->i_mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec); | |
1c41e680 CY |
431 | if (S_ISDIR(inode->i_mode)) |
432 | ri->i_current_depth = | |
433 | cpu_to_le32(F2FS_I(inode)->i_current_depth); | |
434 | else if (S_ISREG(inode->i_mode)) | |
2ef79ecb CY |
435 | ri->i_gc_failures = |
436 | cpu_to_le16(F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN]); | |
19f99cee JK |
437 | ri->i_xattr_nid = cpu_to_le32(F2FS_I(inode)->i_xattr_nid); |
438 | ri->i_flags = cpu_to_le32(F2FS_I(inode)->i_flags); | |
6666e6aa | 439 | ri->i_pino = cpu_to_le32(F2FS_I(inode)->i_pino); |
19f99cee | 440 | ri->i_generation = cpu_to_le32(inode->i_generation); |
38431545 | 441 | ri->i_dir_level = F2FS_I(inode)->i_dir_level; |
7d79e75f | 442 | |
5c57132e | 443 | if (f2fs_has_extra_attr(inode)) { |
7a2af766 CY |
444 | ri->i_extra_isize = cpu_to_le16(F2FS_I(inode)->i_extra_isize); |
445 | ||
6afc662e CY |
446 | if (f2fs_sb_has_flexible_inline_xattr(F2FS_I_SB(inode)->sb)) |
447 | ri->i_inline_xattr_size = | |
448 | cpu_to_le16(F2FS_I(inode)->i_inline_xattr_size); | |
449 | ||
5c57132e CY |
450 | if (f2fs_sb_has_project_quota(F2FS_I_SB(inode)->sb) && |
451 | F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize, | |
452 | i_projid)) { | |
453 | projid_t i_projid; | |
454 | ||
455 | i_projid = from_kprojid(&init_user_ns, | |
456 | F2FS_I(inode)->i_projid); | |
457 | ri->i_projid = cpu_to_le32(i_projid); | |
458 | } | |
1c1d35df CY |
459 | |
460 | if (f2fs_sb_has_inode_crtime(F2FS_I_SB(inode)->sb) && | |
461 | F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize, | |
462 | i_crtime)) { | |
463 | ri->i_crtime = | |
464 | cpu_to_le64(F2FS_I(inode)->i_crtime.tv_sec); | |
465 | ri->i_crtime_nsec = | |
466 | cpu_to_le32(F2FS_I(inode)->i_crtime.tv_nsec); | |
467 | } | |
5c57132e CY |
468 | } |
469 | ||
3d1e3807 | 470 | __set_inode_rdev(inode, ri); |
12719ae1 | 471 | |
2049d4fc JK |
472 | /* deleted inode */ |
473 | if (inode->i_nlink == 0) | |
474 | clear_inline_node(node_page); | |
475 | ||
95582b00 DD |
476 | F2FS_I(inode)->i_disk_time[0] = timespec64_to_timespec(inode->i_atime); |
477 | F2FS_I(inode)->i_disk_time[1] = timespec64_to_timespec(inode->i_ctime); | |
478 | F2FS_I(inode)->i_disk_time[2] = timespec64_to_timespec(inode->i_mtime); | |
214c2461 | 479 | F2FS_I(inode)->i_disk_time[3] = F2FS_I(inode)->i_crtime; |
19f99cee JK |
480 | } |
481 | ||
4d57b86d | 482 | void f2fs_update_inode_page(struct inode *inode) |
19f99cee | 483 | { |
4081363f | 484 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
19f99cee | 485 | struct page *node_page; |
744602cf | 486 | retry: |
4d57b86d | 487 | node_page = f2fs_get_node_page(sbi, inode->i_ino); |
744602cf JK |
488 | if (IS_ERR(node_page)) { |
489 | int err = PTR_ERR(node_page); | |
490 | if (err == -ENOMEM) { | |
491 | cond_resched(); | |
492 | goto retry; | |
493 | } else if (err != -ENOENT) { | |
38f91ca8 | 494 | f2fs_stop_checkpoint(sbi, false); |
744602cf | 495 | } |
211a6fa0 | 496 | return; |
744602cf | 497 | } |
4d57b86d | 498 | f2fs_update_inode(inode, node_page); |
19f99cee | 499 | f2fs_put_page(node_page, 1); |
19f99cee JK |
500 | } |
501 | ||
39936837 JK |
502 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc) |
503 | { | |
4081363f | 504 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
39936837 JK |
505 | |
506 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
507 | inode->i_ino == F2FS_META_INO(sbi)) | |
508 | return 0; | |
509 | ||
91942321 | 510 | if (!is_inode_flag_set(inode, FI_DIRTY_INODE)) |
b3783873 JK |
511 | return 0; |
512 | ||
39936837 | 513 | /* |
c5cd29d2 | 514 | * We need to balance fs here to prevent from producing dirty node pages |
39936837 JK |
515 | * during the urgent cleaning time when runing out of free sections. |
516 | */ | |
4d57b86d | 517 | f2fs_update_inode_page(inode); |
a7881893 | 518 | if (wbc && wbc->nr_to_write) |
2c4db1a6 | 519 | f2fs_balance_fs(sbi, true); |
744602cf | 520 | return 0; |
39936837 JK |
521 | } |
522 | ||
0a8165d7 | 523 | /* |
19f99cee JK |
524 | * Called at the last iput() if i_nlink is zero |
525 | */ | |
526 | void f2fs_evict_inode(struct inode *inode) | |
527 | { | |
4081363f | 528 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
91942321 | 529 | nid_t xnid = F2FS_I(inode)->i_xattr_nid; |
13ec7297 | 530 | int err = 0; |
19f99cee | 531 | |
88b88a66 | 532 | /* some remained atomic pages should discarded */ |
1e84371f | 533 | if (f2fs_is_atomic_file(inode)) |
4d57b86d | 534 | f2fs_drop_inmem_pages(inode); |
88b88a66 | 535 | |
a2a4a7e4 | 536 | trace_f2fs_evict_inode(inode); |
91b0abe3 | 537 | truncate_inode_pages_final(&inode->i_data); |
19f99cee JK |
538 | |
539 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
540 | inode->i_ino == F2FS_META_INO(sbi)) | |
dbf20cb2 | 541 | goto out_clear; |
19f99cee | 542 | |
a7ffdbe2 | 543 | f2fs_bug_on(sbi, get_dirty_pages(inode)); |
4d57b86d | 544 | f2fs_remove_dirty_inode(inode); |
19f99cee | 545 | |
3e72f721 JK |
546 | f2fs_destroy_extent_tree(inode); |
547 | ||
19f99cee JK |
548 | if (inode->i_nlink || is_bad_inode(inode)) |
549 | goto no_delete; | |
550 | ||
0abd675e CY |
551 | dquot_initialize(inode); |
552 | ||
4d57b86d CY |
553 | f2fs_remove_ino_entry(sbi, inode->i_ino, APPEND_INO); |
554 | f2fs_remove_ino_entry(sbi, inode->i_ino, UPDATE_INO); | |
555 | f2fs_remove_ino_entry(sbi, inode->i_ino, FLUSH_INO); | |
60dcedc9 | 556 | |
d6212a5f | 557 | sb_start_intwrite(inode->i_sb); |
91942321 | 558 | set_inode_flag(inode, FI_NO_ALLOC); |
19f99cee | 559 | i_size_write(inode, 0); |
4c0c2949 | 560 | retry: |
19f99cee | 561 | if (F2FS_HAS_BLOCKS(inode)) |
9a449e9c | 562 | err = f2fs_truncate(inode); |
19f99cee | 563 | |
8c1b3c0f JK |
564 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
565 | if (time_to_inject(sbi, FAULT_EVICT_INODE)) { | |
566 | f2fs_show_injection_info(FAULT_EVICT_INODE); | |
567 | err = -EIO; | |
568 | } | |
569 | #endif | |
13ec7297 CY |
570 | if (!err) { |
571 | f2fs_lock_op(sbi); | |
4d57b86d | 572 | err = f2fs_remove_inode_page(inode); |
13ec7297 | 573 | f2fs_unlock_op(sbi); |
a11b9f65 CY |
574 | if (err == -ENOENT) |
575 | err = 0; | |
13ec7297 | 576 | } |
39936837 | 577 | |
4c0c2949 JK |
578 | /* give more chances, if ENOMEM case */ |
579 | if (err == -ENOMEM) { | |
580 | err = 0; | |
581 | goto retry; | |
582 | } | |
583 | ||
0f18b462 | 584 | if (err) |
4d57b86d | 585 | f2fs_update_inode_page(inode); |
0abd675e | 586 | dquot_free_inode(inode); |
d6212a5f | 587 | sb_end_intwrite(inode->i_sb); |
19f99cee | 588 | no_delete: |
0abd675e CY |
589 | dquot_drop(inode); |
590 | ||
d5e8f6c9 | 591 | stat_dec_inline_xattr(inode); |
3289c061 | 592 | stat_dec_inline_dir(inode); |
e7a2bf22 | 593 | stat_dec_inline_inode(inode); |
0bdee482 | 594 | |
943973cd | 595 | if (likely(!is_set_ckpt_flags(sbi, CP_ERROR_FLAG))) |
ca7d802a | 596 | f2fs_bug_on(sbi, is_inode_flag_set(inode, FI_DIRTY_INODE)); |
943973cd JK |
597 | else |
598 | f2fs_inode_synced(inode); | |
ca7d802a | 599 | |
4f295443 JK |
600 | /* ino == 0, if f2fs_new_inode() was failed t*/ |
601 | if (inode->i_ino) | |
602 | invalidate_mapping_pages(NODE_MAPPING(sbi), inode->i_ino, | |
603 | inode->i_ino); | |
002a41ca CY |
604 | if (xnid) |
605 | invalidate_mapping_pages(NODE_MAPPING(sbi), xnid, xnid); | |
60dcedc9 CY |
606 | if (inode->i_nlink) { |
607 | if (is_inode_flag_set(inode, FI_APPEND_WRITE)) | |
4d57b86d | 608 | f2fs_add_ino_entry(sbi, inode->i_ino, APPEND_INO); |
60dcedc9 | 609 | if (is_inode_flag_set(inode, FI_UPDATE_WRITE)) |
4d57b86d | 610 | f2fs_add_ino_entry(sbi, inode->i_ino, UPDATE_INO); |
60dcedc9 | 611 | } |
91942321 | 612 | if (is_inode_flag_set(inode, FI_FREE_NID)) { |
4d57b86d | 613 | f2fs_alloc_nid_failed(sbi, inode->i_ino); |
91942321 | 614 | clear_inode_flag(inode, FI_FREE_NID); |
d8c4256c | 615 | } else { |
a4f843bd JK |
616 | /* |
617 | * If xattr nid is corrupted, we can reach out error condition, | |
4d57b86d CY |
618 | * err & !f2fs_exist_written_data(sbi, inode->i_ino, ORPHAN_INO)). |
619 | * In that case, f2fs_check_nid_range() is enough to give a clue. | |
a4f843bd | 620 | */ |
c9b63bd0 | 621 | } |
dbf20cb2 | 622 | out_clear: |
3d204e24 | 623 | fscrypt_put_encryption_info(inode); |
dbf20cb2 | 624 | clear_inode(inode); |
19f99cee | 625 | } |
44c16156 JK |
626 | |
627 | /* caller should call f2fs_lock_op() */ | |
4d57b86d | 628 | void f2fs_handle_failed_inode(struct inode *inode) |
44c16156 JK |
629 | { |
630 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
221149c0 | 631 | struct node_info ni; |
44c16156 | 632 | |
a11b9f65 CY |
633 | /* |
634 | * clear nlink of inode in order to release resource of inode | |
635 | * immediately. | |
636 | */ | |
637 | clear_nlink(inode); | |
638 | ||
639 | /* | |
640 | * we must call this to avoid inode being remained as dirty, resulting | |
641 | * in a panic when flushing dirty inodes in gdirty_list. | |
642 | */ | |
4d57b86d | 643 | f2fs_update_inode_page(inode); |
9bb02c36 | 644 | f2fs_inode_synced(inode); |
a11b9f65 | 645 | |
221149c0 | 646 | /* don't make bad inode, since it becomes a regular file. */ |
44c16156 JK |
647 | unlock_new_inode(inode); |
648 | ||
13ec7297 | 649 | /* |
13ec7297 CY |
650 | * Note: we should add inode to orphan list before f2fs_unlock_op() |
651 | * so we can prevent losing this orphan when encoutering checkpoint | |
652 | * and following suddenly power-off. | |
653 | */ | |
4d57b86d | 654 | f2fs_get_node_info(sbi, inode->i_ino, &ni); |
221149c0 JK |
655 | |
656 | if (ni.blk_addr != NULL_ADDR) { | |
4d57b86d | 657 | int err = f2fs_acquire_orphan_inode(sbi); |
221149c0 JK |
658 | if (err) { |
659 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
660 | f2fs_msg(sbi->sb, KERN_WARNING, | |
661 | "Too many orphan inodes, run fsck to fix."); | |
662 | } else { | |
4d57b86d | 663 | f2fs_add_orphan_inode(inode); |
221149c0 | 664 | } |
4d57b86d | 665 | f2fs_alloc_nid_done(sbi, inode->i_ino); |
221149c0 | 666 | } else { |
91942321 | 667 | set_inode_flag(inode, FI_FREE_NID); |
13ec7297 | 668 | } |
44c16156 | 669 | |
44c16156 JK |
670 | f2fs_unlock_op(sbi); |
671 | ||
672 | /* iput will drop the inode object */ | |
673 | iput(inode); | |
674 | } |