namei.c (bdbc90fa55af632f8a883a3d93c54a08708ed80a) namei.c (846ae671ad368e344a2b141c0f19e1014b27a0dd)
1/*
2 * fs/f2fs/namei.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

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166}
167
168/*
169 * Set multimedia files as cold files for hot/cold data separation
170 */
171static inline void set_cold_files(struct f2fs_sb_info *sbi, struct inode *inode,
172 const unsigned char *name)
173{
1/*
2 * fs/f2fs/namei.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

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166}
167
168/*
169 * Set multimedia files as cold files for hot/cold data separation
170 */
171static inline void set_cold_files(struct f2fs_sb_info *sbi, struct inode *inode,
172 const unsigned char *name)
173{
174 int i;
175 __u8 (*extlist)[8] = sbi->raw_super->extension_list;
174 __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
175 int i, count;
176
176
177 int count = le32_to_cpu(sbi->raw_super->extension_count);
177 down_read(&sbi->sb_lock);
178
179 count = le32_to_cpu(sbi->raw_super->extension_count);
180
178 for (i = 0; i < count; i++) {
179 if (is_multimedia_file(name, extlist[i])) {
180 file_set_cold(inode);
181 break;
182 }
183 }
181 for (i = 0; i < count; i++) {
182 if (is_multimedia_file(name, extlist[i])) {
183 file_set_cold(inode);
184 break;
185 }
186 }
187
188 up_read(&sbi->sb_lock);
184}
185
189}
190
191int update_extension_list(struct f2fs_sb_info *sbi, const char *name, bool set)
192{
193 __u8 (*extlist)[F2FS_EXTENSION_LEN] = sbi->raw_super->extension_list;
194 int count = le32_to_cpu(sbi->raw_super->extension_count);
195 int i;
196
197 for (i = 0; i < count; i++) {
198 if (strcmp(name, extlist[i]))
199 continue;
200
201 if (set)
202 return -EINVAL;
203
204 memcpy(extlist[i], extlist[i + 1],
205 F2FS_EXTENSION_LEN * (count - i - 1));
206 memset(extlist[count - 1], 0, F2FS_EXTENSION_LEN);
207 sbi->raw_super->extension_count = cpu_to_le32(count - 1);
208 return 0;
209 }
210
211 if (!set)
212 return -EINVAL;
213
214 if (count == F2FS_MAX_EXTENSION)
215 return -EINVAL;
216
217 strncpy(extlist[count], name, strlen(name));
218 sbi->raw_super->extension_count = cpu_to_le32(count + 1);
219 return 0;
220}
221
186static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
187 bool excl)
188{
189 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
190 struct inode *inode;
191 nid_t ino = 0;
192 int err;
193

--- 970 unchanged lines hidden --- 		222static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
223 bool excl)
224{
225 struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
226 struct inode *inode;
227 nid_t ino = 0;
228 int err;
229

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