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-rw-r--r--fs/sysv/namei.c48
1 files changed, 18 insertions, 30 deletions
diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c
index 7f0e4b53085e..b8a73f716fbe 100644
--- a/fs/sysv/namei.c
+++ b/fs/sysv/namei.c
@@ -16,18 +16,6 @@
16#include <linux/smp_lock.h> 16#include <linux/smp_lock.h>
17#include "sysv.h" 17#include "sysv.h"
18 18
19static inline void inc_count(struct inode *inode)
20{
21 inode->i_nlink++;
22 mark_inode_dirty(inode);
23}
24
25static inline void dec_count(struct inode *inode)
26{
27 inode->i_nlink--;
28 mark_inode_dirty(inode);
29}
30
31static int add_nondir(struct dentry *dentry, struct inode *inode) 19static int add_nondir(struct dentry *dentry, struct inode *inode)
32{ 20{
33 int err = sysv_add_link(dentry, inode); 21 int err = sysv_add_link(dentry, inode);
@@ -35,7 +23,7 @@ static int add_nondir(struct dentry *dentry, struct inode *inode)
35 d_instantiate(dentry, inode); 23 d_instantiate(dentry, inode);
36 return 0; 24 return 0;
37 } 25 }
38 dec_count(inode); 26 inode_dec_link_count(inode);
39 iput(inode); 27 iput(inode);
40 return err; 28 return err;
41} 29}
@@ -124,7 +112,7 @@ out:
124 return err; 112 return err;
125 113
126out_fail: 114out_fail:
127 dec_count(inode); 115 inode_dec_link_count(inode);
128 iput(inode); 116 iput(inode);
129 goto out; 117 goto out;
130} 118}
@@ -138,7 +126,7 @@ static int sysv_link(struct dentry * old_dentry, struct inode * dir,
138 return -EMLINK; 126 return -EMLINK;
139 127
140 inode->i_ctime = CURRENT_TIME_SEC; 128 inode->i_ctime = CURRENT_TIME_SEC;
141 inc_count(inode); 129 inode_inc_link_count(inode);
142 atomic_inc(&inode->i_count); 130 atomic_inc(&inode->i_count);
143 131
144 return add_nondir(dentry, inode); 132 return add_nondir(dentry, inode);
@@ -151,7 +139,7 @@ static int sysv_mkdir(struct inode * dir, struct dentry *dentry, int mode)
151 139
152 if (dir->i_nlink >= SYSV_SB(dir->i_sb)->s_link_max) 140 if (dir->i_nlink >= SYSV_SB(dir->i_sb)->s_link_max)
153 goto out; 141 goto out;
154 inc_count(dir); 142 inode_inc_link_count(dir);
155 143
156 inode = sysv_new_inode(dir, S_IFDIR|mode); 144 inode = sysv_new_inode(dir, S_IFDIR|mode);
157 err = PTR_ERR(inode); 145 err = PTR_ERR(inode);
@@ -160,7 +148,7 @@ static int sysv_mkdir(struct inode * dir, struct dentry *dentry, int mode)
160 148
161 sysv_set_inode(inode, 0); 149 sysv_set_inode(inode, 0);
162 150
163 inc_count(inode); 151 inode_inc_link_count(inode);
164 152
165 err = sysv_make_empty(inode, dir); 153 err = sysv_make_empty(inode, dir);
166 if (err) 154 if (err)
@@ -175,11 +163,11 @@ out:
175 return err; 163 return err;
176 164
177out_fail: 165out_fail:
178 dec_count(inode); 166 inode_dec_link_count(inode);
179 dec_count(inode); 167 inode_dec_link_count(inode);
180 iput(inode); 168 iput(inode);
181out_dir: 169out_dir:
182 dec_count(dir); 170 inode_dec_link_count(dir);
183 goto out; 171 goto out;
184} 172}
185 173
@@ -199,7 +187,7 @@ static int sysv_unlink(struct inode * dir, struct dentry * dentry)
199 goto out; 187 goto out;
200 188
201 inode->i_ctime = dir->i_ctime; 189 inode->i_ctime = dir->i_ctime;
202 dec_count(inode); 190 inode_dec_link_count(inode);
203out: 191out:
204 return err; 192 return err;
205} 193}
@@ -213,8 +201,8 @@ static int sysv_rmdir(struct inode * dir, struct dentry * dentry)
213 err = sysv_unlink(dir, dentry); 201 err = sysv_unlink(dir, dentry);
214 if (!err) { 202 if (!err) {
215 inode->i_size = 0; 203 inode->i_size = 0;
216 dec_count(inode); 204 inode_dec_link_count(inode);
217 dec_count(dir); 205 inode_dec_link_count(dir);
218 } 206 }
219 } 207 }
220 return err; 208 return err;
@@ -258,34 +246,34 @@ static int sysv_rename(struct inode * old_dir, struct dentry * old_dentry,
258 new_de = sysv_find_entry(new_dentry, &new_page); 246 new_de = sysv_find_entry(new_dentry, &new_page);
259 if (!new_de) 247 if (!new_de)
260 goto out_dir; 248 goto out_dir;
261 inc_count(old_inode); 249 inode_inc_link_count(old_inode);
262 sysv_set_link(new_de, new_page, old_inode); 250 sysv_set_link(new_de, new_page, old_inode);
263 new_inode->i_ctime = CURRENT_TIME_SEC; 251 new_inode->i_ctime = CURRENT_TIME_SEC;
264 if (dir_de) 252 if (dir_de)
265 new_inode->i_nlink--; 253 new_inode->i_nlink--;
266 dec_count(new_inode); 254 inode_dec_link_count(new_inode);
267 } else { 255 } else {
268 if (dir_de) { 256 if (dir_de) {
269 err = -EMLINK; 257 err = -EMLINK;
270 if (new_dir->i_nlink >= SYSV_SB(new_dir->i_sb)->s_link_max) 258 if (new_dir->i_nlink >= SYSV_SB(new_dir->i_sb)->s_link_max)
271 goto out_dir; 259 goto out_dir;
272 } 260 }
273 inc_count(old_inode); 261 inode_inc_link_count(old_inode);
274 err = sysv_add_link(new_dentry, old_inode); 262 err = sysv_add_link(new_dentry, old_inode);
275 if (err) { 263 if (err) {
276 dec_count(old_inode); 264 inode_dec_link_count(old_inode);
277 goto out_dir; 265 goto out_dir;
278 } 266 }
279 if (dir_de) 267 if (dir_de)
280 inc_count(new_dir); 268 inode_inc_link_count(new_dir);
281 } 269 }
282 270
283 sysv_delete_entry(old_de, old_page); 271 sysv_delete_entry(old_de, old_page);
284 dec_count(old_inode); 272 inode_dec_link_count(old_inode);
285 273
286 if (dir_de) { 274 if (dir_de) {
287 sysv_set_link(dir_de, dir_page, new_dir); 275 sysv_set_link(dir_de, dir_page, new_dir);
288 dec_count(old_dir); 276 inode_dec_link_count(old_dir);
289 } 277 }
290 return 0; 278 return 0;
291 279