xiaomi-sm8450/android_kernel_xiaomi_sm8450
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[PATCH] assorted path_lookup() -> kern_path() conversions

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more nameidata eviction

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2008-08-02 01:04:36 -04:00
parent a63bb99660
commit 421748ecde
4 changed files with 34 additions and 37 deletions
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23
fs/ecryptfs/main.c
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@@ -471,31 +471,26 @@ out:
*/
static int ecryptfs_read_super(struct super_block *sb, const char *dev_name)
{
struct path path;
int rc;
struct nameidata nd;
struct dentry *lower_root;
struct vfsmount *lower_mnt;
memset(&nd, 0, sizeof(struct nameidata));
rc = path_lookup(dev_name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &nd);
rc = kern_path(dev_name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &path);
if (rc) {
ecryptfs_printk(KERN_WARNING, "path_lookup() failed\n");
goto out;
}
lower_root = nd.path.dentry;
lower_mnt = nd.path.mnt;
ecryptfs_set_superblock_lower(sb, lower_root->d_sb);
sb->s_maxbytes = lower_root->d_sb->s_maxbytes;
sb->s_blocksize = lower_root->d_sb->s_blocksize;
ecryptfs_set_dentry_lower(sb->s_root, lower_root);
ecryptfs_set_dentry_lower_mnt(sb->s_root, lower_mnt);
rc = ecryptfs_interpose(lower_root, sb->s_root, sb, 0);
ecryptfs_set_superblock_lower(sb, path.dentry->d_sb);
sb->s_maxbytes = path.dentry->d_sb->s_maxbytes;
sb->s_blocksize = path.dentry->d_sb->s_blocksize;
ecryptfs_set_dentry_lower(sb->s_root, path.dentry);
ecryptfs_set_dentry_lower_mnt(sb->s_root, path.mnt);
rc = ecryptfs_interpose(path.dentry, sb->s_root, sb, 0);
if (rc)
goto out_free;
rc = 0;
goto out;
out_free:
path_put(&nd.path);
path_put(&path);
out:
return rc;
}