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authorAl Viro <viro@zeniv.linux.org.uk>2015-12-29 16:03:53 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2015-12-29 16:03:53 -0500
commitcd3417c8fc9504cc1afe944515f338aff9ec286b (patch)
treec60b8132b9deff6d5a5c3f229cce2efd9ac135a3
parent0d0def49d05ae988936268b0e57d19aeef8c3ad2 (diff)
kill free_page_put_link()
all callers are better off with kfree_put_link() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/configfs/symlink.c12
-rw-r--r--fs/fuse/dir.c6
-rw-r--r--fs/kernfs/symlink.c12
-rw-r--r--fs/libfs.c6
-rw-r--r--include/linux/fs.h1
5 files changed, 15 insertions, 22 deletions
diff --git a/fs/configfs/symlink.c b/fs/configfs/symlink.c
index b91c01ebb688..e9de962e518d 100644
--- a/fs/configfs/symlink.c
+++ b/fs/configfs/symlink.c
@@ -282,29 +282,29 @@ static int configfs_getlink(struct dentry *dentry, char * path)
282static const char *configfs_get_link(struct dentry *dentry, 282static const char *configfs_get_link(struct dentry *dentry,
283 struct inode *inode, void **cookie) 283 struct inode *inode, void **cookie)
284{ 284{
285 unsigned long page; 285 char *page;
286 int error; 286 int error;
287 287
288 if (!dentry) 288 if (!dentry)
289 return ERR_PTR(-ECHILD); 289 return ERR_PTR(-ECHILD);
290 290
291 page = get_zeroed_page(GFP_KERNEL); 291 page = kzalloc(PAGE_SIZE, GFP_KERNEL);
292 if (!page) 292 if (!page)
293 return ERR_PTR(-ENOMEM); 293 return ERR_PTR(-ENOMEM);
294 294
295 error = configfs_getlink(dentry, (char *)page); 295 error = configfs_getlink(dentry, page);
296 if (!error) { 296 if (!error) {
297 return *cookie = (void *)page; 297 return *cookie = page;
298 } 298 }
299 299
300 free_page(page); 300 kfree(page);
301 return ERR_PTR(error); 301 return ERR_PTR(error);
302} 302}
303 303
304const struct inode_operations configfs_symlink_inode_operations = { 304const struct inode_operations configfs_symlink_inode_operations = {
305 .get_link = configfs_get_link, 305 .get_link = configfs_get_link,
306 .readlink = generic_readlink, 306 .readlink = generic_readlink,
307 .put_link = free_page_put_link, 307 .put_link = kfree_put_link,
308 .setattr = configfs_setattr, 308 .setattr = configfs_setattr,
309}; 309};
310 310
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 148e8ef7c541..def0a4d082bc 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1376,7 +1376,7 @@ static const char *fuse_get_link(struct dentry *dentry,
1376 if (!dentry) 1376 if (!dentry)
1377 return ERR_PTR(-ECHILD); 1377 return ERR_PTR(-ECHILD);
1378 1378
1379 link = (char *) __get_free_page(GFP_KERNEL); 1379 link = kmalloc(PAGE_SIZE, GFP_KERNEL);
1380 if (!link) 1380 if (!link)
1381 return ERR_PTR(-ENOMEM); 1381 return ERR_PTR(-ENOMEM);
1382 1382
@@ -1388,7 +1388,7 @@ static const char *fuse_get_link(struct dentry *dentry,
1388 args.out.args[0].value = link; 1388 args.out.args[0].value = link;
1389 ret = fuse_simple_request(fc, &args); 1389 ret = fuse_simple_request(fc, &args);
1390 if (ret < 0) { 1390 if (ret < 0) {
1391 free_page((unsigned long) link); 1391 kfree(link);
1392 link = ERR_PTR(ret); 1392 link = ERR_PTR(ret);
1393 } else { 1393 } else {
1394 link[ret] = '\0'; 1394 link[ret] = '\0';
@@ -1913,7 +1913,7 @@ static const struct inode_operations fuse_common_inode_operations = {
1913static const struct inode_operations fuse_symlink_inode_operations = { 1913static const struct inode_operations fuse_symlink_inode_operations = {
1914 .setattr = fuse_setattr, 1914 .setattr = fuse_setattr,
1915 .get_link = fuse_get_link, 1915 .get_link = fuse_get_link,
1916 .put_link = free_page_put_link, 1916 .put_link = kfree_put_link,
1917 .readlink = generic_readlink, 1917 .readlink = generic_readlink,
1918 .getattr = fuse_getattr, 1918 .getattr = fuse_getattr,
1919 .setxattr = fuse_setxattr, 1919 .setxattr = fuse_setxattr,
diff --git a/fs/kernfs/symlink.c b/fs/kernfs/symlink.c
index ffae8579045d..f9efdaeda7b0 100644
--- a/fs/kernfs/symlink.c
+++ b/fs/kernfs/symlink.c
@@ -116,19 +116,19 @@ static const char *kernfs_iop_get_link(struct dentry *dentry,
116 struct inode *inode, void **cookie) 116 struct inode *inode, void **cookie)
117{ 117{
118 int error = -ENOMEM; 118 int error = -ENOMEM;
119 unsigned long page; 119 char *page;
120 120
121 if (!dentry) 121 if (!dentry)
122 return ERR_PTR(-ECHILD); 122 return ERR_PTR(-ECHILD);
123 page = get_zeroed_page(GFP_KERNEL); 123 page = kzalloc(PAGE_SIZE, GFP_KERNEL);
124 if (!page) 124 if (!page)
125 return ERR_PTR(-ENOMEM); 125 return ERR_PTR(-ENOMEM);
126 error = kernfs_getlink(dentry, (char *)page); 126 error = kernfs_getlink(dentry, page);
127 if (unlikely(error < 0)) { 127 if (unlikely(error < 0)) {
128 free_page((unsigned long)page); 128 kfree(page);
129 return ERR_PTR(error); 129 return ERR_PTR(error);
130 } 130 }
131 return *cookie = (char *)page; 131 return *cookie = page;
132} 132}
133 133
134const struct inode_operations kernfs_symlink_iops = { 134const struct inode_operations kernfs_symlink_iops = {
@@ -138,7 +138,7 @@ const struct inode_operations kernfs_symlink_iops = {
138 .listxattr = kernfs_iop_listxattr, 138 .listxattr = kernfs_iop_listxattr,
139 .readlink = generic_readlink, 139 .readlink = generic_readlink,
140 .get_link = kernfs_iop_get_link, 140 .get_link = kernfs_iop_get_link,
141 .put_link = free_page_put_link, 141 .put_link = kfree_put_link,
142 .setattr = kernfs_iop_setattr, 142 .setattr = kernfs_iop_setattr,
143 .getattr = kernfs_iop_getattr, 143 .getattr = kernfs_iop_getattr,
144 .permission = kernfs_iop_permission, 144 .permission = kernfs_iop_permission,
diff --git a/fs/libfs.c b/fs/libfs.c
index 8dc37fc4b6df..fec7ab0632dc 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -1025,12 +1025,6 @@ void kfree_put_link(struct inode *unused, void *cookie)
1025} 1025}
1026EXPORT_SYMBOL(kfree_put_link); 1026EXPORT_SYMBOL(kfree_put_link);
1027 1027
1028void free_page_put_link(struct inode *unused, void *cookie)
1029{
1030 free_page((unsigned long) cookie);
1031}
1032EXPORT_SYMBOL(free_page_put_link);
1033
1034/* 1028/*
1035 * nop .set_page_dirty method so that people can use .page_mkwrite on 1029 * nop .set_page_dirty method so that people can use .page_mkwrite on
1036 * anon inodes. 1030 * anon inodes.
diff --git a/include/linux/fs.h b/include/linux/fs.h
index d2fdf09a4407..138e206df2fc 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2743,7 +2743,6 @@ extern int __page_symlink(struct inode *inode, const char *symname, int len,
2743extern int page_symlink(struct inode *inode, const char *symname, int len); 2743extern int page_symlink(struct inode *inode, const char *symname, int len);
2744extern const struct inode_operations page_symlink_inode_operations; 2744extern const struct inode_operations page_symlink_inode_operations;
2745extern void kfree_put_link(struct inode *, void *); 2745extern void kfree_put_link(struct inode *, void *);
2746extern void free_page_put_link(struct inode *, void *);
2747extern int generic_readlink(struct dentry *, char __user *, int); 2746extern int generic_readlink(struct dentry *, char __user *, int);
2748extern void generic_fillattr(struct inode *, struct kstat *); 2747extern void generic_fillattr(struct inode *, struct kstat *);
2749int vfs_getattr_nosec(struct path *path, struct kstat *stat); 2748int vfs_getattr_nosec(struct path *path, struct kstat *stat);