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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2000-2001 Christoph Hellwig.
4 * Copyright (c) 2016 Krzysztof Blaszkowski
5 */
6
7/*
8 * Veritas filesystem driver - inode routines.
9 */
10#include <linux/fs.h>
11#include <linux/buffer_head.h>
12#include <linux/pagemap.h>
13#include <linux/kernel.h>
14#include <linux/slab.h>
15#include <linux/namei.h>
16
17#include "vxfs.h"
18#include "vxfs_inode.h"
19#include "vxfs_extern.h"
20
21
22#ifdef DIAGNOSTIC
23/*
24 * Dump inode contents (partially).
25 */
26void
27vxfs_dumpi(struct vxfs_inode_info *vip, ino_t ino)
28{
29 printk(KERN_DEBUG "\n\n");
30 if (ino)
31 printk(KERN_DEBUG "dumping vxfs inode %ld\n", ino);
32 else
33 printk(KERN_DEBUG "dumping unknown vxfs inode\n");
34
35 printk(KERN_DEBUG "---------------------------\n");
36 printk(KERN_DEBUG "mode is %x\n", vip->vii_mode);
37 printk(KERN_DEBUG "nlink:%u, uid:%u, gid:%u\n",
38 vip->vii_nlink, vip->vii_uid, vip->vii_gid);
39 printk(KERN_DEBUG "size:%Lx, blocks:%u\n",
40 vip->vii_size, vip->vii_blocks);
41 printk(KERN_DEBUG "orgtype:%u\n", vip->vii_orgtype);
42}
43#endif
44
45/**
46 * vxfs_transmod - mode for a VxFS inode
47 * @vip: VxFS inode
48 *
49 * Description:
50 * vxfs_transmod returns a Linux mode_t for a given
51 * VxFS inode structure.
52 */
53static __inline__ umode_t
54vxfs_transmod(struct vxfs_inode_info *vip)
55{
56 umode_t ret = vip->vii_mode & ~VXFS_TYPE_MASK;
57
58 if (VXFS_ISFIFO(vip))
59 ret |= S_IFIFO;
60 if (VXFS_ISCHR(vip))
61 ret |= S_IFCHR;
62 if (VXFS_ISDIR(vip))
63 ret |= S_IFDIR;
64 if (VXFS_ISBLK(vip))
65 ret |= S_IFBLK;
66 if (VXFS_ISLNK(vip))
67 ret |= S_IFLNK;
68 if (VXFS_ISREG(vip))
69 ret |= S_IFREG;
70 if (VXFS_ISSOC(vip))
71 ret |= S_IFSOCK;
72
73 return (ret);
74}
75
76static inline void dip2vip_cpy(struct vxfs_sb_info *sbi,
77 struct vxfs_inode_info *vip, struct vxfs_dinode *dip)
78{
79 struct inode *inode = &vip->vfs_inode;
80
81 vip->vii_mode = fs32_to_cpu(sbi, dip->vdi_mode);
82 vip->vii_nlink = fs32_to_cpu(sbi, dip->vdi_nlink);
83 vip->vii_uid = fs32_to_cpu(sbi, dip->vdi_uid);
84 vip->vii_gid = fs32_to_cpu(sbi, dip->vdi_gid);
85 vip->vii_size = fs64_to_cpu(sbi, dip->vdi_size);
86 vip->vii_atime = fs32_to_cpu(sbi, dip->vdi_atime);
87 vip->vii_autime = fs32_to_cpu(sbi, dip->vdi_autime);
88 vip->vii_mtime = fs32_to_cpu(sbi, dip->vdi_mtime);
89 vip->vii_mutime = fs32_to_cpu(sbi, dip->vdi_mutime);
90 vip->vii_ctime = fs32_to_cpu(sbi, dip->vdi_ctime);
91 vip->vii_cutime = fs32_to_cpu(sbi, dip->vdi_cutime);
92 vip->vii_orgtype = dip->vdi_orgtype;
93
94 vip->vii_blocks = fs32_to_cpu(sbi, dip->vdi_blocks);
95 vip->vii_gen = fs32_to_cpu(sbi, dip->vdi_gen);
96
97 if (VXFS_ISDIR(vip))
98 vip->vii_dotdot = fs32_to_cpu(sbi, dip->vdi_dotdot);
99 else if (!VXFS_ISREG(vip) && !VXFS_ISLNK(vip))
100 vip->vii_rdev = fs32_to_cpu(sbi, dip->vdi_rdev);
101
102 /* don't endian swap the fields that differ by orgtype */
103 memcpy(&vip->vii_org, &dip->vdi_org, sizeof(vip->vii_org));
104
105 inode->i_mode = vxfs_transmod(vip);
106 i_uid_write(inode, (uid_t)vip->vii_uid);
107 i_gid_write(inode, (gid_t)vip->vii_gid);
108
109 set_nlink(inode, vip->vii_nlink);
110 inode->i_size = vip->vii_size;
111
112 inode_set_atime(inode, vip->vii_atime, 0);
113 inode_set_ctime(inode, vip->vii_ctime, 0);
114 inode_set_mtime(inode, vip->vii_mtime, 0);
115
116 inode->i_blocks = vip->vii_blocks;
117 inode->i_generation = vip->vii_gen;
118}
119
120/**
121 * vxfs_blkiget - find inode based on extent #
122 * @sbp: superblock of the filesystem we search in
123 * @extent: number of the extent to search
124 * @ino: inode number to search
125 *
126 * Description:
127 * vxfs_blkiget searches inode @ino in the filesystem described by
128 * @sbp in the extent @extent.
129 * Returns the matching VxFS inode on success, else a NULL pointer.
130 *
131 * NOTE:
132 * While __vxfs_iget uses the pagecache vxfs_blkiget uses the
133 * buffercache. This function should not be used outside the
134 * read_super() method, otherwise the data may be incoherent.
135 */
136struct inode *
137vxfs_blkiget(struct super_block *sbp, u_long extent, ino_t ino)
138{
139 struct buffer_head *bp;
140 struct inode *inode;
141 u_long block, offset;
142
143 inode = new_inode(sbp);
144 if (!inode)
145 return NULL;
146 inode->i_ino = get_next_ino();
147
148 block = extent + ((ino * VXFS_ISIZE) / sbp->s_blocksize);
149 offset = ((ino % (sbp->s_blocksize / VXFS_ISIZE)) * VXFS_ISIZE);
150 bp = sb_bread(sbp, block);
151
152 if (bp && buffer_mapped(bp)) {
153 struct vxfs_inode_info *vip = VXFS_INO(inode);
154 struct vxfs_dinode *dip;
155
156 dip = (struct vxfs_dinode *)(bp->b_data + offset);
157 dip2vip_cpy(VXFS_SBI(sbp), vip, dip);
158 vip->vfs_inode.i_mapping->a_ops = &vxfs_aops;
159#ifdef DIAGNOSTIC
160 vxfs_dumpi(vip, ino);
161#endif
162 brelse(bp);
163 return inode;
164 }
165
166 printk(KERN_WARNING "vxfs: unable to read block %ld\n", block);
167 brelse(bp);
168 iput(inode);
169 return NULL;
170}
171
172/**
173 * __vxfs_iget - generic find inode facility
174 * @ilistp: inode list
175 * @vip: VxFS inode to fill in
176 * @ino: inode number
177 *
178 * Description:
179 * Search the for inode number @ino in the filesystem
180 * described by @sbp. Use the specified inode table (@ilistp).
181 * Returns the matching inode on success, else an error code.
182 */
183static int
184__vxfs_iget(struct inode *ilistp, struct vxfs_inode_info *vip, ino_t ino)
185{
186 struct page *pp;
187 u_long offset;
188
189 offset = (ino % (PAGE_SIZE / VXFS_ISIZE)) * VXFS_ISIZE;
190 pp = vxfs_get_page(ilistp->i_mapping, ino * VXFS_ISIZE / PAGE_SIZE);
191
192 if (!IS_ERR(pp)) {
193 struct vxfs_dinode *dip;
194 caddr_t kaddr = (char *)page_address(pp);
195
196 dip = (struct vxfs_dinode *)(kaddr + offset);
197 dip2vip_cpy(VXFS_SBI(ilistp->i_sb), vip, dip);
198 vip->vfs_inode.i_mapping->a_ops = &vxfs_aops;
199#ifdef DIAGNOSTIC
200 vxfs_dumpi(vip, ino);
201#endif
202 vxfs_put_page(pp);
203 return 0;
204 }
205
206 printk(KERN_WARNING "vxfs: error on page 0x%p for inode %ld\n",
207 pp, (unsigned long)ino);
208 return PTR_ERR(pp);
209}
210
211/**
212 * vxfs_stiget - find inode using the structural inode list
213 * @sbp: VFS superblock
214 * @ino: inode #
215 *
216 * Description:
217 * Find inode @ino in the filesystem described by @sbp using
218 * the structural inode list.
219 * Returns the matching inode on success, else a NULL pointer.
220 */
221struct inode *
222vxfs_stiget(struct super_block *sbp, ino_t ino)
223{
224 struct inode *inode;
225 int error;
226
227 inode = new_inode(sbp);
228 if (!inode)
229 return NULL;
230 inode->i_ino = get_next_ino();
231
232 error = __vxfs_iget(VXFS_SBI(sbp)->vsi_stilist, VXFS_INO(inode), ino);
233 if (error) {
234 iput(inode);
235 return NULL;
236 }
237
238 return inode;
239}
240
241/**
242 * vxfs_iget - get an inode
243 * @sbp: the superblock to get the inode for
244 * @ino: the number of the inode to get
245 *
246 * Description:
247 * vxfs_read_inode creates an inode, reads the disk inode for @ino and fills
248 * in all relevant fields in the new inode.
249 */
250struct inode *
251vxfs_iget(struct super_block *sbp, ino_t ino)
252{
253 struct vxfs_inode_info *vip;
254 const struct address_space_operations *aops;
255 struct inode *ip;
256 int error;
257
258 ip = iget_locked(sbp, ino);
259 if (!ip)
260 return ERR_PTR(-ENOMEM);
261 if (!(ip->i_state & I_NEW))
262 return ip;
263
264 vip = VXFS_INO(ip);
265 error = __vxfs_iget(VXFS_SBI(sbp)->vsi_ilist, vip, ino);
266 if (error) {
267 iget_failed(ip);
268 return ERR_PTR(error);
269 }
270
271 if (VXFS_ISIMMED(vip))
272 aops = &vxfs_immed_aops;
273 else
274 aops = &vxfs_aops;
275
276 if (S_ISREG(ip->i_mode)) {
277 ip->i_fop = &generic_ro_fops;
278 ip->i_mapping->a_ops = aops;
279 } else if (S_ISDIR(ip->i_mode)) {
280 ip->i_op = &vxfs_dir_inode_ops;
281 ip->i_fop = &vxfs_dir_operations;
282 ip->i_mapping->a_ops = aops;
283 } else if (S_ISLNK(ip->i_mode)) {
284 if (!VXFS_ISIMMED(vip)) {
285 ip->i_op = &page_symlink_inode_operations;
286 inode_nohighmem(ip);
287 ip->i_mapping->a_ops = &vxfs_aops;
288 } else {
289 ip->i_op = &simple_symlink_inode_operations;
290 ip->i_link = vip->vii_immed.vi_immed;
291 nd_terminate_link(ip->i_link, ip->i_size,
292 sizeof(vip->vii_immed.vi_immed) - 1);
293 }
294 } else
295 init_special_inode(ip, ip->i_mode, old_decode_dev(vip->vii_rdev));
296
297 unlock_new_inode(ip);
298 return ip;
299}
300
301/**
302 * vxfs_evict_inode - remove inode from main memory
303 * @ip: inode to discard.
304 *
305 * Description:
306 * vxfs_evict_inode() is called on the final iput and frees the private
307 * inode area.
308 */
309void
310vxfs_evict_inode(struct inode *ip)
311{
312 truncate_inode_pages_final(&ip->i_data);
313 clear_inode(ip);
314}
1/*
2 * Copyright (c) 2000-2001 Christoph Hellwig.
3 * Copyright (c) 2016 Krzysztof Blaszkowski
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions, and the following disclaimer,
11 * without modification.
12 * 2. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * Alternatively, this software may be distributed under the terms of the
16 * GNU General Public License ("GPL").
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31/*
32 * Veritas filesystem driver - inode routines.
33 */
34#include <linux/fs.h>
35#include <linux/buffer_head.h>
36#include <linux/pagemap.h>
37#include <linux/kernel.h>
38#include <linux/slab.h>
39#include <linux/namei.h>
40
41#include "vxfs.h"
42#include "vxfs_inode.h"
43#include "vxfs_extern.h"
44
45
46#ifdef DIAGNOSTIC
47/*
48 * Dump inode contents (partially).
49 */
50void
51vxfs_dumpi(struct vxfs_inode_info *vip, ino_t ino)
52{
53 printk(KERN_DEBUG "\n\n");
54 if (ino)
55 printk(KERN_DEBUG "dumping vxfs inode %ld\n", ino);
56 else
57 printk(KERN_DEBUG "dumping unknown vxfs inode\n");
58
59 printk(KERN_DEBUG "---------------------------\n");
60 printk(KERN_DEBUG "mode is %x\n", vip->vii_mode);
61 printk(KERN_DEBUG "nlink:%u, uid:%u, gid:%u\n",
62 vip->vii_nlink, vip->vii_uid, vip->vii_gid);
63 printk(KERN_DEBUG "size:%Lx, blocks:%u\n",
64 vip->vii_size, vip->vii_blocks);
65 printk(KERN_DEBUG "orgtype:%u\n", vip->vii_orgtype);
66}
67#endif
68
69/**
70 * vxfs_transmod - mode for a VxFS inode
71 * @vip: VxFS inode
72 *
73 * Description:
74 * vxfs_transmod returns a Linux mode_t for a given
75 * VxFS inode structure.
76 */
77static __inline__ umode_t
78vxfs_transmod(struct vxfs_inode_info *vip)
79{
80 umode_t ret = vip->vii_mode & ~VXFS_TYPE_MASK;
81
82 if (VXFS_ISFIFO(vip))
83 ret |= S_IFIFO;
84 if (VXFS_ISCHR(vip))
85 ret |= S_IFCHR;
86 if (VXFS_ISDIR(vip))
87 ret |= S_IFDIR;
88 if (VXFS_ISBLK(vip))
89 ret |= S_IFBLK;
90 if (VXFS_ISLNK(vip))
91 ret |= S_IFLNK;
92 if (VXFS_ISREG(vip))
93 ret |= S_IFREG;
94 if (VXFS_ISSOC(vip))
95 ret |= S_IFSOCK;
96
97 return (ret);
98}
99
100static inline void dip2vip_cpy(struct vxfs_sb_info *sbi,
101 struct vxfs_inode_info *vip, struct vxfs_dinode *dip)
102{
103 struct inode *inode = &vip->vfs_inode;
104
105 vip->vii_mode = fs32_to_cpu(sbi, dip->vdi_mode);
106 vip->vii_nlink = fs32_to_cpu(sbi, dip->vdi_nlink);
107 vip->vii_uid = fs32_to_cpu(sbi, dip->vdi_uid);
108 vip->vii_gid = fs32_to_cpu(sbi, dip->vdi_gid);
109 vip->vii_size = fs64_to_cpu(sbi, dip->vdi_size);
110 vip->vii_atime = fs32_to_cpu(sbi, dip->vdi_atime);
111 vip->vii_autime = fs32_to_cpu(sbi, dip->vdi_autime);
112 vip->vii_mtime = fs32_to_cpu(sbi, dip->vdi_mtime);
113 vip->vii_mutime = fs32_to_cpu(sbi, dip->vdi_mutime);
114 vip->vii_ctime = fs32_to_cpu(sbi, dip->vdi_ctime);
115 vip->vii_cutime = fs32_to_cpu(sbi, dip->vdi_cutime);
116 vip->vii_orgtype = dip->vdi_orgtype;
117
118 vip->vii_blocks = fs32_to_cpu(sbi, dip->vdi_blocks);
119 vip->vii_gen = fs32_to_cpu(sbi, dip->vdi_gen);
120
121 if (VXFS_ISDIR(vip))
122 vip->vii_dotdot = fs32_to_cpu(sbi, dip->vdi_dotdot);
123 else if (!VXFS_ISREG(vip) && !VXFS_ISLNK(vip))
124 vip->vii_rdev = fs32_to_cpu(sbi, dip->vdi_rdev);
125
126 /* don't endian swap the fields that differ by orgtype */
127 memcpy(&vip->vii_org, &dip->vdi_org, sizeof(vip->vii_org));
128
129 inode->i_mode = vxfs_transmod(vip);
130 i_uid_write(inode, (uid_t)vip->vii_uid);
131 i_gid_write(inode, (gid_t)vip->vii_gid);
132
133 set_nlink(inode, vip->vii_nlink);
134 inode->i_size = vip->vii_size;
135
136 inode->i_atime.tv_sec = vip->vii_atime;
137 inode->i_ctime.tv_sec = vip->vii_ctime;
138 inode->i_mtime.tv_sec = vip->vii_mtime;
139 inode->i_atime.tv_nsec = 0;
140 inode->i_ctime.tv_nsec = 0;
141 inode->i_mtime.tv_nsec = 0;
142
143 inode->i_blocks = vip->vii_blocks;
144 inode->i_generation = vip->vii_gen;
145}
146
147/**
148 * vxfs_blkiget - find inode based on extent #
149 * @sbp: superblock of the filesystem we search in
150 * @extent: number of the extent to search
151 * @ino: inode number to search
152 *
153 * Description:
154 * vxfs_blkiget searches inode @ino in the filesystem described by
155 * @sbp in the extent @extent.
156 * Returns the matching VxFS inode on success, else a NULL pointer.
157 *
158 * NOTE:
159 * While __vxfs_iget uses the pagecache vxfs_blkiget uses the
160 * buffercache. This function should not be used outside the
161 * read_super() method, otherwise the data may be incoherent.
162 */
163struct inode *
164vxfs_blkiget(struct super_block *sbp, u_long extent, ino_t ino)
165{
166 struct buffer_head *bp;
167 struct inode *inode;
168 u_long block, offset;
169
170 inode = new_inode(sbp);
171 if (!inode)
172 return NULL;
173 inode->i_ino = get_next_ino();
174
175 block = extent + ((ino * VXFS_ISIZE) / sbp->s_blocksize);
176 offset = ((ino % (sbp->s_blocksize / VXFS_ISIZE)) * VXFS_ISIZE);
177 bp = sb_bread(sbp, block);
178
179 if (bp && buffer_mapped(bp)) {
180 struct vxfs_inode_info *vip = VXFS_INO(inode);
181 struct vxfs_dinode *dip;
182
183 dip = (struct vxfs_dinode *)(bp->b_data + offset);
184 dip2vip_cpy(VXFS_SBI(sbp), vip, dip);
185 vip->vfs_inode.i_mapping->a_ops = &vxfs_aops;
186#ifdef DIAGNOSTIC
187 vxfs_dumpi(vip, ino);
188#endif
189 brelse(bp);
190 return inode;
191 }
192
193 printk(KERN_WARNING "vxfs: unable to read block %ld\n", block);
194 brelse(bp);
195 iput(inode);
196 return NULL;
197}
198
199/**
200 * __vxfs_iget - generic find inode facility
201 * @ilistp: inode list
202 * @vip: VxFS inode to fill in
203 * @ino: inode number
204 *
205 * Description:
206 * Search the for inode number @ino in the filesystem
207 * described by @sbp. Use the specified inode table (@ilistp).
208 * Returns the matching inode on success, else an error code.
209 */
210static int
211__vxfs_iget(struct inode *ilistp, struct vxfs_inode_info *vip, ino_t ino)
212{
213 struct page *pp;
214 u_long offset;
215
216 offset = (ino % (PAGE_SIZE / VXFS_ISIZE)) * VXFS_ISIZE;
217 pp = vxfs_get_page(ilistp->i_mapping, ino * VXFS_ISIZE / PAGE_SIZE);
218
219 if (!IS_ERR(pp)) {
220 struct vxfs_dinode *dip;
221 caddr_t kaddr = (char *)page_address(pp);
222
223 dip = (struct vxfs_dinode *)(kaddr + offset);
224 dip2vip_cpy(VXFS_SBI(ilistp->i_sb), vip, dip);
225 vip->vfs_inode.i_mapping->a_ops = &vxfs_aops;
226#ifdef DIAGNOSTIC
227 vxfs_dumpi(vip, ino);
228#endif
229 vxfs_put_page(pp);
230 return 0;
231 }
232
233 printk(KERN_WARNING "vxfs: error on page 0x%p for inode %ld\n",
234 pp, (unsigned long)ino);
235 return PTR_ERR(pp);
236}
237
238/**
239 * vxfs_stiget - find inode using the structural inode list
240 * @sbp: VFS superblock
241 * @ino: inode #
242 *
243 * Description:
244 * Find inode @ino in the filesystem described by @sbp using
245 * the structural inode list.
246 * Returns the matching inode on success, else a NULL pointer.
247 */
248struct inode *
249vxfs_stiget(struct super_block *sbp, ino_t ino)
250{
251 struct inode *inode;
252 int error;
253
254 inode = new_inode(sbp);
255 if (!inode)
256 return NULL;
257 inode->i_ino = get_next_ino();
258
259 error = __vxfs_iget(VXFS_SBI(sbp)->vsi_stilist, VXFS_INO(inode), ino);
260 if (error) {
261 iput(inode);
262 return NULL;
263 }
264
265 return inode;
266}
267
268/**
269 * vxfs_iget - get an inode
270 * @sbp: the superblock to get the inode for
271 * @ino: the number of the inode to get
272 *
273 * Description:
274 * vxfs_read_inode creates an inode, reads the disk inode for @ino and fills
275 * in all relevant fields in the new inode.
276 */
277struct inode *
278vxfs_iget(struct super_block *sbp, ino_t ino)
279{
280 struct vxfs_inode_info *vip;
281 const struct address_space_operations *aops;
282 struct inode *ip;
283 int error;
284
285 ip = iget_locked(sbp, ino);
286 if (!ip)
287 return ERR_PTR(-ENOMEM);
288 if (!(ip->i_state & I_NEW))
289 return ip;
290
291 vip = VXFS_INO(ip);
292 error = __vxfs_iget(VXFS_SBI(sbp)->vsi_ilist, vip, ino);
293 if (error) {
294 iget_failed(ip);
295 return ERR_PTR(error);
296 }
297
298 if (VXFS_ISIMMED(vip))
299 aops = &vxfs_immed_aops;
300 else
301 aops = &vxfs_aops;
302
303 if (S_ISREG(ip->i_mode)) {
304 ip->i_fop = &generic_ro_fops;
305 ip->i_mapping->a_ops = aops;
306 } else if (S_ISDIR(ip->i_mode)) {
307 ip->i_op = &vxfs_dir_inode_ops;
308 ip->i_fop = &vxfs_dir_operations;
309 ip->i_mapping->a_ops = aops;
310 } else if (S_ISLNK(ip->i_mode)) {
311 if (!VXFS_ISIMMED(vip)) {
312 ip->i_op = &page_symlink_inode_operations;
313 inode_nohighmem(ip);
314 ip->i_mapping->a_ops = &vxfs_aops;
315 } else {
316 ip->i_op = &simple_symlink_inode_operations;
317 ip->i_link = vip->vii_immed.vi_immed;
318 nd_terminate_link(ip->i_link, ip->i_size,
319 sizeof(vip->vii_immed.vi_immed) - 1);
320 }
321 } else
322 init_special_inode(ip, ip->i_mode, old_decode_dev(vip->vii_rdev));
323
324 unlock_new_inode(ip);
325 return ip;
326}
327
328/**
329 * vxfs_evict_inode - remove inode from main memory
330 * @ip: inode to discard.
331 *
332 * Description:
333 * vxfs_evict_inode() is called on the final iput and frees the private
334 * inode area.
335 */
336void
337vxfs_evict_inode(struct inode *ip)
338{
339 truncate_inode_pages_final(&ip->i_data);
340 clear_inode(ip);
341}