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Commit | Line | Data |
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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; |
2ee6a576 EB |
46 | if (f2fs_encrypted_inode(inode)) |
47 | new_fl |= S_ENCRYPTED; | |
6a678857 | 48 | inode_set_flags(inode, new_fl, |
2ee6a576 EB |
49 | S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC| |
50 | S_ENCRYPTED); | |
19f99cee JK |
51 | } |
52 | ||
3d1e3807 JK |
53 | static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri) |
54 | { | |
7a2af766 CY |
55 | int extra_size = get_extra_isize(inode); |
56 | ||
3d1e3807 JK |
57 | if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || |
58 | S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { | |
7a2af766 CY |
59 | if (ri->i_addr[extra_size]) |
60 | inode->i_rdev = old_decode_dev( | |
61 | le32_to_cpu(ri->i_addr[extra_size])); | |
3d1e3807 | 62 | else |
7a2af766 CY |
63 | inode->i_rdev = new_decode_dev( |
64 | le32_to_cpu(ri->i_addr[extra_size + 1])); | |
3d1e3807 JK |
65 | } |
66 | } | |
67 | ||
3c6c2beb JK |
68 | static bool __written_first_block(struct f2fs_inode *ri) |
69 | { | |
7a2af766 | 70 | block_t addr = le32_to_cpu(ri->i_addr[offset_in_addr(ri)]); |
adad81ed JK |
71 | |
72 | if (addr != NEW_ADDR && addr != NULL_ADDR) | |
3c6c2beb JK |
73 | return true; |
74 | return false; | |
75 | } | |
76 | ||
3d1e3807 JK |
77 | static void __set_inode_rdev(struct inode *inode, struct f2fs_inode *ri) |
78 | { | |
7a2af766 CY |
79 | int extra_size = get_extra_isize(inode); |
80 | ||
3d1e3807 JK |
81 | if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { |
82 | if (old_valid_dev(inode->i_rdev)) { | |
7a2af766 | 83 | ri->i_addr[extra_size] = |
6c311ec6 | 84 | cpu_to_le32(old_encode_dev(inode->i_rdev)); |
7a2af766 | 85 | ri->i_addr[extra_size + 1] = 0; |
3d1e3807 | 86 | } else { |
7a2af766 CY |
87 | ri->i_addr[extra_size] = 0; |
88 | ri->i_addr[extra_size + 1] = | |
6c311ec6 | 89 | cpu_to_le32(new_encode_dev(inode->i_rdev)); |
7a2af766 | 90 | ri->i_addr[extra_size + 2] = 0; |
3d1e3807 JK |
91 | } |
92 | } | |
93 | } | |
94 | ||
9e5ba77f | 95 | static void __recover_inline_status(struct inode *inode, struct page *ipage) |
b3d208f9 | 96 | { |
f2470371 | 97 | void *inline_data = inline_data_addr(inode, ipage); |
9e5ba77f | 98 | __le32 *start = inline_data; |
f2470371 | 99 | __le32 *end = start + MAX_INLINE_DATA(inode) / sizeof(__le32); |
b3d208f9 | 100 | |
9e5ba77f CY |
101 | while (start < end) { |
102 | if (*start++) { | |
fec1d657 | 103 | f2fs_wait_on_page_writeback(ipage, NODE, true); |
b3d208f9 | 104 | |
91942321 JK |
105 | set_inode_flag(inode, FI_DATA_EXIST); |
106 | set_raw_inline(inode, F2FS_INODE(ipage)); | |
9e5ba77f CY |
107 | set_page_dirty(ipage); |
108 | return; | |
109 | } | |
b3d208f9 | 110 | } |
9e5ba77f | 111 | return; |
b3d208f9 JK |
112 | } |
113 | ||
704956ec CY |
114 | static bool f2fs_enable_inode_chksum(struct f2fs_sb_info *sbi, struct page *page) |
115 | { | |
116 | struct f2fs_inode *ri = &F2FS_NODE(page)->i; | |
117 | int extra_isize = le32_to_cpu(ri->i_extra_isize); | |
118 | ||
119 | if (!f2fs_sb_has_inode_chksum(sbi->sb)) | |
120 | return false; | |
121 | ||
122 | if (!RAW_IS_INODE(F2FS_NODE(page)) || !(ri->i_inline & F2FS_EXTRA_ATTR)) | |
123 | return false; | |
124 | ||
125 | if (!F2FS_FITS_IN_INODE(ri, extra_isize, i_inode_checksum)) | |
126 | return false; | |
127 | ||
128 | return true; | |
129 | } | |
130 | ||
131 | static __u32 f2fs_inode_chksum(struct f2fs_sb_info *sbi, struct page *page) | |
132 | { | |
133 | struct f2fs_node *node = F2FS_NODE(page); | |
134 | struct f2fs_inode *ri = &node->i; | |
135 | __le32 ino = node->footer.ino; | |
136 | __le32 gen = ri->i_generation; | |
137 | __u32 chksum, chksum_seed; | |
138 | __u32 dummy_cs = 0; | |
139 | unsigned int offset = offsetof(struct f2fs_inode, i_inode_checksum); | |
140 | unsigned int cs_size = sizeof(dummy_cs); | |
141 | ||
142 | chksum = f2fs_chksum(sbi, sbi->s_chksum_seed, (__u8 *)&ino, | |
143 | sizeof(ino)); | |
144 | chksum_seed = f2fs_chksum(sbi, chksum, (__u8 *)&gen, sizeof(gen)); | |
145 | ||
146 | chksum = f2fs_chksum(sbi, chksum_seed, (__u8 *)ri, offset); | |
147 | chksum = f2fs_chksum(sbi, chksum, (__u8 *)&dummy_cs, cs_size); | |
148 | offset += cs_size; | |
149 | chksum = f2fs_chksum(sbi, chksum, (__u8 *)ri + offset, | |
150 | F2FS_BLKSIZE - offset); | |
151 | return chksum; | |
152 | } | |
153 | ||
154 | bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page) | |
155 | { | |
156 | struct f2fs_inode *ri; | |
157 | __u32 provided, calculated; | |
158 | ||
ee605234 JK |
159 | if (!f2fs_enable_inode_chksum(sbi, page) || |
160 | PageDirty(page) || PageWriteback(page)) | |
704956ec CY |
161 | return true; |
162 | ||
163 | ri = &F2FS_NODE(page)->i; | |
164 | provided = le32_to_cpu(ri->i_inode_checksum); | |
165 | calculated = f2fs_inode_chksum(sbi, page); | |
166 | ||
167 | if (provided != calculated) | |
168 | f2fs_msg(sbi->sb, KERN_WARNING, | |
169 | "checksum invalid, ino = %x, %x vs. %x", | |
170 | ino_of_node(page), provided, calculated); | |
171 | ||
172 | return provided == calculated; | |
173 | } | |
174 | ||
175 | void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page) | |
176 | { | |
177 | struct f2fs_inode *ri = &F2FS_NODE(page)->i; | |
178 | ||
179 | if (!f2fs_enable_inode_chksum(sbi, page)) | |
180 | return; | |
181 | ||
182 | ri->i_inode_checksum = cpu_to_le32(f2fs_inode_chksum(sbi, page)); | |
183 | } | |
184 | ||
9f0e83c9 JK |
185 | static bool sanity_check_inode(struct inode *inode) |
186 | { | |
187 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
188 | ||
189 | if (f2fs_sb_has_flexible_inline_xattr(sbi->sb) | |
190 | && !f2fs_has_extra_attr(inode)) { | |
191 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
192 | f2fs_msg(sbi->sb, KERN_WARNING, | |
193 | "%s: corrupted inode ino=%lx, run fsck to fix.", | |
194 | __func__, inode->i_ino); | |
195 | return false; | |
196 | } | |
cff00866 CY |
197 | |
198 | if (f2fs_has_extra_attr(inode) && | |
199 | !f2fs_sb_has_extra_attr(sbi->sb)) { | |
200 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
201 | f2fs_msg(sbi->sb, KERN_WARNING, | |
202 | "%s: inode (ino=%lx) is with extra_attr, " | |
203 | "but extra_attr feature is off", | |
204 | __func__, inode->i_ino); | |
205 | return false; | |
206 | } | |
9f0e83c9 JK |
207 | return true; |
208 | } | |
209 | ||
19f99cee JK |
210 | static int do_read_inode(struct inode *inode) |
211 | { | |
4081363f | 212 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
19f99cee JK |
213 | struct f2fs_inode_info *fi = F2FS_I(inode); |
214 | struct page *node_page; | |
19f99cee | 215 | struct f2fs_inode *ri; |
5c57132e | 216 | projid_t i_projid; |
19f99cee JK |
217 | |
218 | /* Check if ino is within scope */ | |
f9e4519f | 219 | if (check_nid_range(sbi, inode->i_ino)) |
064e0823 | 220 | return -EINVAL; |
19f99cee JK |
221 | |
222 | node_page = get_node_page(sbi, inode->i_ino); | |
223 | if (IS_ERR(node_page)) | |
224 | return PTR_ERR(node_page); | |
225 | ||
58bfaf44 | 226 | ri = F2FS_INODE(node_page); |
19f99cee JK |
227 | |
228 | inode->i_mode = le16_to_cpu(ri->i_mode); | |
229 | i_uid_write(inode, le32_to_cpu(ri->i_uid)); | |
230 | i_gid_write(inode, le32_to_cpu(ri->i_gid)); | |
231 | set_nlink(inode, le32_to_cpu(ri->i_links)); | |
232 | inode->i_size = le64_to_cpu(ri->i_size); | |
000519f2 | 233 | inode->i_blocks = SECTOR_FROM_BLOCK(le64_to_cpu(ri->i_blocks) - 1); |
19f99cee JK |
234 | |
235 | inode->i_atime.tv_sec = le64_to_cpu(ri->i_atime); | |
236 | inode->i_ctime.tv_sec = le64_to_cpu(ri->i_ctime); | |
237 | inode->i_mtime.tv_sec = le64_to_cpu(ri->i_mtime); | |
238 | inode->i_atime.tv_nsec = le32_to_cpu(ri->i_atime_nsec); | |
239 | inode->i_ctime.tv_nsec = le32_to_cpu(ri->i_ctime_nsec); | |
240 | inode->i_mtime.tv_nsec = le32_to_cpu(ri->i_mtime_nsec); | |
241 | inode->i_generation = le32_to_cpu(ri->i_generation); | |
242 | ||
243 | fi->i_current_depth = le32_to_cpu(ri->i_current_depth); | |
244 | fi->i_xattr_nid = le32_to_cpu(ri->i_xattr_nid); | |
245 | fi->i_flags = le32_to_cpu(ri->i_flags); | |
246 | fi->flags = 0; | |
19f99cee | 247 | fi->i_advise = ri->i_advise; |
6666e6aa | 248 | fi->i_pino = le32_to_cpu(ri->i_pino); |
38431545 | 249 | fi->i_dir_level = ri->i_dir_level; |
3d1e3807 | 250 | |
ed3d1256 JK |
251 | if (f2fs_init_extent_tree(inode, &ri->i_ext)) |
252 | set_page_dirty(node_page); | |
0c872e2d | 253 | |
91942321 | 254 | get_inline_info(inode, ri); |
3d1e3807 | 255 | |
cff00866 CY |
256 | if (!sanity_check_inode(inode)) { |
257 | f2fs_put_page(node_page, 1); | |
258 | return -EINVAL; | |
259 | } | |
260 | ||
7a2af766 CY |
261 | fi->i_extra_isize = f2fs_has_extra_attr(inode) ? |
262 | le16_to_cpu(ri->i_extra_isize) : 0; | |
263 | ||
6afc662e | 264 | if (f2fs_sb_has_flexible_inline_xattr(sbi->sb)) { |
6afc662e CY |
265 | fi->i_inline_xattr_size = le16_to_cpu(ri->i_inline_xattr_size); |
266 | } else if (f2fs_has_inline_xattr(inode) || | |
267 | f2fs_has_inline_dentry(inode)) { | |
268 | fi->i_inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS; | |
269 | } else { | |
270 | ||
271 | /* | |
272 | * Previous inline data or directory always reserved 200 bytes | |
273 | * in inode layout, even if inline_xattr is disabled. In order | |
274 | * to keep inline_dentry's structure for backward compatibility, | |
275 | * we get the space back only from inline_data. | |
276 | */ | |
277 | fi->i_inline_xattr_size = 0; | |
278 | } | |
279 | ||
b3d208f9 JK |
280 | /* check data exist */ |
281 | if (f2fs_has_inline_data(inode) && !f2fs_exist_data(inode)) | |
9e5ba77f | 282 | __recover_inline_status(inode, node_page); |
b3d208f9 | 283 | |
3d1e3807 JK |
284 | /* get rdev by using inline_info */ |
285 | __get_inode_rdev(inode, ri); | |
286 | ||
3c6c2beb | 287 | if (__written_first_block(ri)) |
91942321 | 288 | set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN); |
3c6c2beb | 289 | |
26de9b11 JK |
290 | if (!need_inode_block_update(sbi, inode->i_ino)) |
291 | fi->last_disk_size = inode->i_size; | |
292 | ||
5c57132e CY |
293 | if (fi->i_flags & FS_PROJINHERIT_FL) |
294 | set_inode_flag(inode, FI_PROJ_INHERIT); | |
295 | ||
296 | if (f2fs_has_extra_attr(inode) && f2fs_sb_has_project_quota(sbi->sb) && | |
297 | F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_projid)) | |
298 | i_projid = (projid_t)le32_to_cpu(ri->i_projid); | |
299 | else | |
300 | i_projid = F2FS_DEF_PROJID; | |
301 | fi->i_projid = make_kprojid(&init_user_ns, i_projid); | |
302 | ||
19f99cee | 303 | f2fs_put_page(node_page, 1); |
9d1015dd | 304 | |
d5e8f6c9 | 305 | stat_inc_inline_xattr(inode); |
9d1015dd JK |
306 | stat_inc_inline_inode(inode); |
307 | stat_inc_inline_dir(inode); | |
308 | ||
9e5ba77f | 309 | return 0; |
19f99cee JK |
310 | } |
311 | ||
312 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino) | |
313 | { | |
314 | struct f2fs_sb_info *sbi = F2FS_SB(sb); | |
315 | struct inode *inode; | |
a2a4a7e4 | 316 | int ret = 0; |
19f99cee JK |
317 | |
318 | inode = iget_locked(sb, ino); | |
319 | if (!inode) | |
320 | return ERR_PTR(-ENOMEM); | |
a2a4a7e4 NJ |
321 | |
322 | if (!(inode->i_state & I_NEW)) { | |
323 | trace_f2fs_iget(inode); | |
19f99cee | 324 | return inode; |
a2a4a7e4 | 325 | } |
19f99cee JK |
326 | if (ino == F2FS_NODE_INO(sbi) || ino == F2FS_META_INO(sbi)) |
327 | goto make_now; | |
328 | ||
329 | ret = do_read_inode(inode); | |
330 | if (ret) | |
331 | goto bad_inode; | |
19f99cee JK |
332 | make_now: |
333 | if (ino == F2FS_NODE_INO(sbi)) { | |
334 | inode->i_mapping->a_ops = &f2fs_node_aops; | |
fb0053ba | 335 | mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS); |
19f99cee JK |
336 | } else if (ino == F2FS_META_INO(sbi)) { |
337 | inode->i_mapping->a_ops = &f2fs_meta_aops; | |
fb0053ba | 338 | mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS); |
19f99cee JK |
339 | } else if (S_ISREG(inode->i_mode)) { |
340 | inode->i_op = &f2fs_file_inode_operations; | |
341 | inode->i_fop = &f2fs_file_operations; | |
342 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
343 | } else if (S_ISDIR(inode->i_mode)) { | |
344 | inode->i_op = &f2fs_dir_inode_operations; | |
345 | inode->i_fop = &f2fs_dir_operations; | |
346 | inode->i_mapping->a_ops = &f2fs_dblock_aops; | |
a78186eb | 347 | mapping_set_gfp_mask(inode->i_mapping, GFP_F2FS_HIGH_ZERO); |
19f99cee | 348 | } else if (S_ISLNK(inode->i_mode)) { |
cbaf042a JK |
349 | if (f2fs_encrypted_inode(inode)) |
350 | inode->i_op = &f2fs_encrypted_symlink_inode_operations; | |
351 | else | |
352 | inode->i_op = &f2fs_symlink_inode_operations; | |
21fc61c7 | 353 | inode_nohighmem(inode); |
19f99cee JK |
354 | inode->i_mapping->a_ops = &f2fs_dblock_aops; |
355 | } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || | |
356 | S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { | |
357 | inode->i_op = &f2fs_special_inode_operations; | |
358 | init_special_inode(inode, inode->i_mode, inode->i_rdev); | |
359 | } else { | |
360 | ret = -EIO; | |
361 | goto bad_inode; | |
362 | } | |
93607124 | 363 | f2fs_set_inode_flags(inode); |
19f99cee | 364 | unlock_new_inode(inode); |
a2a4a7e4 | 365 | trace_f2fs_iget(inode); |
19f99cee JK |
366 | return inode; |
367 | ||
368 | bad_inode: | |
369 | iget_failed(inode); | |
a2a4a7e4 | 370 | trace_f2fs_iget_exit(inode, ret); |
19f99cee JK |
371 | return ERR_PTR(ret); |
372 | } | |
373 | ||
e8ea9b3d JK |
374 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino) |
375 | { | |
376 | struct inode *inode; | |
377 | retry: | |
378 | inode = f2fs_iget(sb, ino); | |
379 | if (IS_ERR(inode)) { | |
380 | if (PTR_ERR(inode) == -ENOMEM) { | |
381 | congestion_wait(BLK_RW_ASYNC, HZ/50); | |
382 | goto retry; | |
383 | } | |
384 | } | |
385 | return inode; | |
386 | } | |
387 | ||
12719ae1 | 388 | int update_inode(struct inode *inode, struct page *node_page) |
19f99cee | 389 | { |
19f99cee | 390 | struct f2fs_inode *ri; |
b691d98f | 391 | struct extent_tree *et = F2FS_I(inode)->extent_tree; |
19f99cee | 392 | |
1e7c48fa JK |
393 | f2fs_inode_synced(inode); |
394 | ||
fec1d657 | 395 | f2fs_wait_on_page_writeback(node_page, NODE, true); |
19f99cee | 396 | |
58bfaf44 | 397 | ri = F2FS_INODE(node_page); |
19f99cee JK |
398 | |
399 | ri->i_mode = cpu_to_le16(inode->i_mode); | |
400 | ri->i_advise = F2FS_I(inode)->i_advise; | |
401 | ri->i_uid = cpu_to_le32(i_uid_read(inode)); | |
402 | ri->i_gid = cpu_to_le32(i_gid_read(inode)); | |
403 | ri->i_links = cpu_to_le32(inode->i_nlink); | |
404 | ri->i_size = cpu_to_le64(i_size_read(inode)); | |
000519f2 | 405 | ri->i_blocks = cpu_to_le64(SECTOR_TO_BLOCK(inode->i_blocks) + 1); |
0c872e2d | 406 | |
b691d98f CY |
407 | if (et) { |
408 | read_lock(&et->lock); | |
409 | set_raw_extent(&et->largest, &ri->i_ext); | |
410 | read_unlock(&et->lock); | |
411 | } else { | |
3e72f721 | 412 | memset(&ri->i_ext, 0, sizeof(ri->i_ext)); |
b691d98f | 413 | } |
91942321 | 414 | set_raw_inline(inode, ri); |
19f99cee JK |
415 | |
416 | ri->i_atime = cpu_to_le64(inode->i_atime.tv_sec); | |
417 | ri->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); | |
418 | ri->i_mtime = cpu_to_le64(inode->i_mtime.tv_sec); | |
419 | ri->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec); | |
420 | ri->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); | |
421 | ri->i_mtime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec); | |
422 | ri->i_current_depth = cpu_to_le32(F2FS_I(inode)->i_current_depth); | |
423 | ri->i_xattr_nid = cpu_to_le32(F2FS_I(inode)->i_xattr_nid); | |
424 | ri->i_flags = cpu_to_le32(F2FS_I(inode)->i_flags); | |
6666e6aa | 425 | ri->i_pino = cpu_to_le32(F2FS_I(inode)->i_pino); |
19f99cee | 426 | ri->i_generation = cpu_to_le32(inode->i_generation); |
38431545 | 427 | ri->i_dir_level = F2FS_I(inode)->i_dir_level; |
7d79e75f | 428 | |
5c57132e | 429 | if (f2fs_has_extra_attr(inode)) { |
7a2af766 CY |
430 | ri->i_extra_isize = cpu_to_le16(F2FS_I(inode)->i_extra_isize); |
431 | ||
6afc662e CY |
432 | if (f2fs_sb_has_flexible_inline_xattr(F2FS_I_SB(inode)->sb)) |
433 | ri->i_inline_xattr_size = | |
434 | cpu_to_le16(F2FS_I(inode)->i_inline_xattr_size); | |
435 | ||
5c57132e CY |
436 | if (f2fs_sb_has_project_quota(F2FS_I_SB(inode)->sb) && |
437 | F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize, | |
438 | i_projid)) { | |
439 | projid_t i_projid; | |
440 | ||
441 | i_projid = from_kprojid(&init_user_ns, | |
442 | F2FS_I(inode)->i_projid); | |
443 | ri->i_projid = cpu_to_le32(i_projid); | |
444 | } | |
445 | } | |
446 | ||
3d1e3807 | 447 | __set_inode_rdev(inode, ri); |
398b1ac5 | 448 | set_cold_node(inode, node_page); |
12719ae1 | 449 | |
2049d4fc JK |
450 | /* deleted inode */ |
451 | if (inode->i_nlink == 0) | |
452 | clear_inline_node(node_page); | |
453 | ||
12719ae1 | 454 | return set_page_dirty(node_page); |
19f99cee JK |
455 | } |
456 | ||
12719ae1 | 457 | int update_inode_page(struct inode *inode) |
19f99cee | 458 | { |
4081363f | 459 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
19f99cee | 460 | struct page *node_page; |
12719ae1 | 461 | int ret = 0; |
744602cf | 462 | retry: |
19f99cee | 463 | node_page = get_node_page(sbi, inode->i_ino); |
744602cf JK |
464 | if (IS_ERR(node_page)) { |
465 | int err = PTR_ERR(node_page); | |
466 | if (err == -ENOMEM) { | |
467 | cond_resched(); | |
468 | goto retry; | |
469 | } else if (err != -ENOENT) { | |
38f91ca8 | 470 | f2fs_stop_checkpoint(sbi, false); |
744602cf | 471 | } |
12719ae1 | 472 | return 0; |
744602cf | 473 | } |
12719ae1 | 474 | ret = update_inode(inode, node_page); |
19f99cee | 475 | f2fs_put_page(node_page, 1); |
12719ae1 | 476 | return ret; |
19f99cee JK |
477 | } |
478 | ||
39936837 JK |
479 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc) |
480 | { | |
4081363f | 481 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
39936837 JK |
482 | |
483 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
484 | inode->i_ino == F2FS_META_INO(sbi)) | |
485 | return 0; | |
486 | ||
91942321 | 487 | if (!is_inode_flag_set(inode, FI_DIRTY_INODE)) |
b3783873 JK |
488 | return 0; |
489 | ||
39936837 | 490 | /* |
c5cd29d2 | 491 | * We need to balance fs here to prevent from producing dirty node pages |
39936837 JK |
492 | * during the urgent cleaning time when runing out of free sections. |
493 | */ | |
a7881893 JK |
494 | update_inode_page(inode); |
495 | if (wbc && wbc->nr_to_write) | |
2c4db1a6 | 496 | f2fs_balance_fs(sbi, true); |
744602cf | 497 | return 0; |
39936837 JK |
498 | } |
499 | ||
0a8165d7 | 500 | /* |
19f99cee JK |
501 | * Called at the last iput() if i_nlink is zero |
502 | */ | |
503 | void f2fs_evict_inode(struct inode *inode) | |
504 | { | |
4081363f | 505 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
91942321 | 506 | nid_t xnid = F2FS_I(inode)->i_xattr_nid; |
13ec7297 | 507 | int err = 0; |
19f99cee | 508 | |
88b88a66 | 509 | /* some remained atomic pages should discarded */ |
1e84371f | 510 | if (f2fs_is_atomic_file(inode)) |
29b96b54 | 511 | drop_inmem_pages(inode); |
88b88a66 | 512 | |
a2a4a7e4 | 513 | trace_f2fs_evict_inode(inode); |
91b0abe3 | 514 | truncate_inode_pages_final(&inode->i_data); |
19f99cee JK |
515 | |
516 | if (inode->i_ino == F2FS_NODE_INO(sbi) || | |
517 | inode->i_ino == F2FS_META_INO(sbi)) | |
dbf20cb2 | 518 | goto out_clear; |
19f99cee | 519 | |
a7ffdbe2 | 520 | f2fs_bug_on(sbi, get_dirty_pages(inode)); |
c227f912 | 521 | remove_dirty_inode(inode); |
19f99cee | 522 | |
3e72f721 JK |
523 | f2fs_destroy_extent_tree(inode); |
524 | ||
19f99cee JK |
525 | if (inode->i_nlink || is_bad_inode(inode)) |
526 | goto no_delete; | |
527 | ||
0abd675e CY |
528 | dquot_initialize(inode); |
529 | ||
60dcedc9 CY |
530 | remove_ino_entry(sbi, inode->i_ino, APPEND_INO); |
531 | remove_ino_entry(sbi, inode->i_ino, UPDATE_INO); | |
39d787be | 532 | remove_ino_entry(sbi, inode->i_ino, FLUSH_INO); |
60dcedc9 | 533 | |
d6212a5f | 534 | sb_start_intwrite(inode->i_sb); |
91942321 | 535 | set_inode_flag(inode, FI_NO_ALLOC); |
19f99cee | 536 | i_size_write(inode, 0); |
4c0c2949 | 537 | retry: |
19f99cee | 538 | if (F2FS_HAS_BLOCKS(inode)) |
9a449e9c | 539 | err = f2fs_truncate(inode); |
19f99cee | 540 | |
8c1b3c0f JK |
541 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
542 | if (time_to_inject(sbi, FAULT_EVICT_INODE)) { | |
543 | f2fs_show_injection_info(FAULT_EVICT_INODE); | |
544 | err = -EIO; | |
545 | } | |
546 | #endif | |
13ec7297 CY |
547 | if (!err) { |
548 | f2fs_lock_op(sbi); | |
549 | err = remove_inode_page(inode); | |
550 | f2fs_unlock_op(sbi); | |
a11b9f65 CY |
551 | if (err == -ENOENT) |
552 | err = 0; | |
13ec7297 | 553 | } |
39936837 | 554 | |
4c0c2949 JK |
555 | /* give more chances, if ENOMEM case */ |
556 | if (err == -ENOMEM) { | |
557 | err = 0; | |
558 | goto retry; | |
559 | } | |
560 | ||
0f18b462 JK |
561 | if (err) |
562 | update_inode_page(inode); | |
0abd675e | 563 | dquot_free_inode(inode); |
d6212a5f | 564 | sb_end_intwrite(inode->i_sb); |
19f99cee | 565 | no_delete: |
0abd675e CY |
566 | dquot_drop(inode); |
567 | ||
d5e8f6c9 | 568 | stat_dec_inline_xattr(inode); |
3289c061 | 569 | stat_dec_inline_dir(inode); |
e7a2bf22 | 570 | stat_dec_inline_inode(inode); |
0bdee482 | 571 | |
943973cd | 572 | if (likely(!is_set_ckpt_flags(sbi, CP_ERROR_FLAG))) |
ca7d802a | 573 | f2fs_bug_on(sbi, is_inode_flag_set(inode, FI_DIRTY_INODE)); |
943973cd JK |
574 | else |
575 | f2fs_inode_synced(inode); | |
ca7d802a | 576 | |
4f295443 JK |
577 | /* ino == 0, if f2fs_new_inode() was failed t*/ |
578 | if (inode->i_ino) | |
579 | invalidate_mapping_pages(NODE_MAPPING(sbi), inode->i_ino, | |
580 | inode->i_ino); | |
002a41ca CY |
581 | if (xnid) |
582 | invalidate_mapping_pages(NODE_MAPPING(sbi), xnid, xnid); | |
60dcedc9 CY |
583 | if (inode->i_nlink) { |
584 | if (is_inode_flag_set(inode, FI_APPEND_WRITE)) | |
585 | add_ino_entry(sbi, inode->i_ino, APPEND_INO); | |
586 | if (is_inode_flag_set(inode, FI_UPDATE_WRITE)) | |
587 | add_ino_entry(sbi, inode->i_ino, UPDATE_INO); | |
588 | } | |
91942321 | 589 | if (is_inode_flag_set(inode, FI_FREE_NID)) { |
221149c0 | 590 | alloc_nid_failed(sbi, inode->i_ino); |
91942321 | 591 | clear_inode_flag(inode, FI_FREE_NID); |
d8c4256c | 592 | } else { |
f9e4519f JK |
593 | /* |
594 | * If xattr nid is corrupted, we can reach out error condition, | |
595 | * err & !exist_written_data(sbi, inode->i_ino, ORPHAN_INO)). | |
596 | * In that case, check_nid_range() is enough to give a clue. | |
597 | */ | |
c9b63bd0 | 598 | } |
dbf20cb2 | 599 | out_clear: |
0b81d077 | 600 | fscrypt_put_encryption_info(inode, NULL); |
dbf20cb2 | 601 | clear_inode(inode); |
19f99cee | 602 | } |
44c16156 JK |
603 | |
604 | /* caller should call f2fs_lock_op() */ | |
605 | void handle_failed_inode(struct inode *inode) | |
606 | { | |
607 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); | |
221149c0 | 608 | struct node_info ni; |
44c16156 | 609 | |
a11b9f65 CY |
610 | /* |
611 | * clear nlink of inode in order to release resource of inode | |
612 | * immediately. | |
613 | */ | |
614 | clear_nlink(inode); | |
615 | ||
616 | /* | |
617 | * we must call this to avoid inode being remained as dirty, resulting | |
618 | * in a panic when flushing dirty inodes in gdirty_list. | |
619 | */ | |
620 | update_inode_page(inode); | |
9bb02c36 | 621 | f2fs_inode_synced(inode); |
a11b9f65 | 622 | |
221149c0 | 623 | /* don't make bad inode, since it becomes a regular file. */ |
44c16156 JK |
624 | unlock_new_inode(inode); |
625 | ||
13ec7297 | 626 | /* |
13ec7297 CY |
627 | * Note: we should add inode to orphan list before f2fs_unlock_op() |
628 | * so we can prevent losing this orphan when encoutering checkpoint | |
629 | * and following suddenly power-off. | |
630 | */ | |
221149c0 JK |
631 | get_node_info(sbi, inode->i_ino, &ni); |
632 | ||
633 | if (ni.blk_addr != NULL_ADDR) { | |
634 | int err = acquire_orphan_inode(sbi); | |
635 | if (err) { | |
636 | set_sbi_flag(sbi, SBI_NEED_FSCK); | |
637 | f2fs_msg(sbi->sb, KERN_WARNING, | |
638 | "Too many orphan inodes, run fsck to fix."); | |
639 | } else { | |
67c3758d | 640 | add_orphan_inode(inode); |
221149c0 JK |
641 | } |
642 | alloc_nid_done(sbi, inode->i_ino); | |
643 | } else { | |
91942321 | 644 | set_inode_flag(inode, FI_FREE_NID); |
13ec7297 | 645 | } |
44c16156 | 646 | |
44c16156 JK |
647 | f2fs_unlock_op(sbi); |
648 | ||
649 | /* iput will drop the inode object */ | |
650 | iput(inode); | |
651 | } |