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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-24 07:28:39 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2008-10-23 05:13:09 -0400
commita9885444f7ff6e9156adb1adf5558ded9a39ad0a (patch)
tree0f52bb872aface2a022f7cdb7aea5cd33ab10509 /fs/ext2/namei.c
parent734711abac46c8fee4d70cc9876ebc6d9edb4971 (diff)
[PATCH] get rid of on-stack dentry in ext2_get_parent()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ext2/namei.c')
-rw-r--r--fs/ext2/namei.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index a1b328ab1e55..2a747252ec12 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -60,7 +60,7 @@ static struct dentry *ext2_lookup(struct inode * dir, struct dentry *dentry, str
60 if (dentry->d_name.len > EXT2_NAME_LEN) 60 if (dentry->d_name.len > EXT2_NAME_LEN)
61 return ERR_PTR(-ENAMETOOLONG); 61 return ERR_PTR(-ENAMETOOLONG);
62 62
63 ino = ext2_inode_by_name(dir, dentry); 63 ino = ext2_inode_by_name(dir, &dentry->d_name);
64 inode = NULL; 64 inode = NULL;
65 if (ino) { 65 if (ino) {
66 inode = ext2_iget(dir->i_sb, ino); 66 inode = ext2_iget(dir->i_sb, ino);
@@ -72,13 +72,8 @@ static struct dentry *ext2_lookup(struct inode * dir, struct dentry *dentry, str
72 72
73struct dentry *ext2_get_parent(struct dentry *child) 73struct dentry *ext2_get_parent(struct dentry *child)
74{ 74{
75 unsigned long ino; 75 struct qstr dotdot = {.name = "..", .len = 2};
76 struct dentry dotdot; 76 unsigned long ino = ext2_inode_by_name(child->d_inode, &dotdot);
77
78 dotdot.d_name.name = "..";
79 dotdot.d_name.len = 2;
80
81 ino = ext2_inode_by_name(child->d_inode, &dotdot);
82 if (!ino) 77 if (!ino)
83 return ERR_PTR(-ENOENT); 78 return ERR_PTR(-ENOENT);
84 return d_obtain_alias(ext2_iget(child->d_inode->i_sb, ino)); 79 return d_obtain_alias(ext2_iget(child->d_inode->i_sb, ino));
@@ -246,7 +241,7 @@ static int ext2_unlink(struct inode * dir, struct dentry *dentry)
246 struct page * page; 241 struct page * page;
247 int err = -ENOENT; 242 int err = -ENOENT;
248 243
249 de = ext2_find_entry (dir, dentry, &page); 244 de = ext2_find_entry (dir, &dentry->d_name, &page);
250 if (!de) 245 if (!de)
251 goto out; 246 goto out;
252 247
@@ -288,7 +283,7 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
288 struct ext2_dir_entry_2 * old_de; 283 struct ext2_dir_entry_2 * old_de;
289 int err = -ENOENT; 284 int err = -ENOENT;
290 285
291 old_de = ext2_find_entry (old_dir, old_dentry, &old_page); 286 old_de = ext2_find_entry (old_dir, &old_dentry->d_name, &old_page);
292 if (!old_de) 287 if (!old_de)
293 goto out; 288 goto out;
294 289
@@ -308,7 +303,7 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
308 goto out_dir; 303 goto out_dir;
309 304
310 err = -ENOENT; 305 err = -ENOENT;
311 new_de = ext2_find_entry (new_dir, new_dentry, &new_page); 306 new_de = ext2_find_entry (new_dir, &new_dentry->d_name, &new_page);
312 if (!new_de) 307 if (!new_de)
313 goto out_dir; 308 goto out_dir;
314 inode_inc_link_count(old_inode); 309 inode_inc_link_count(old_inode);