[PATCH RFC 3/5] UBIFS: Add xattr support for symlinks

From: Marc Kleine-Budde
Date: Wed Feb 13 2013 - 05:24:34 EST


From: Subodh Nijsure <snijsure@xxxxxxxxxxxx>

Signed-off-by: Subodh Nijsure <snijsure@xxxxxxxxxxxx>
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
---
fs/ubifs/file.c | 4 ++++
fs/ubifs/xattr.c | 18 +++++++++++++-----
2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 5bc7781..ed9655c 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1574,6 +1574,10 @@ const struct inode_operations ubifs_symlink_inode_operations = {
.follow_link = ubifs_follow_link,
.setattr = ubifs_setattr,
.getattr = ubifs_getattr,
+ .setxattr = ubifs_setxattr,
+ .getxattr = ubifs_getxattr,
+ .listxattr = ubifs_listxattr,
+ .removexattr = ubifs_removexattr,
};

const struct file_operations ubifs_file_operations = {
diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c
index 1395307..d496aa4 100644
--- a/fs/ubifs/xattr.c
+++ b/fs/ubifs/xattr.c
@@ -293,18 +293,16 @@ static struct inode *iget_xattr(struct ubifs_info *c, ino_t inum)
return ERR_PTR(-EINVAL);
}

-int ubifs_setxattr(struct dentry *dentry, const char *name,
- const void *value, size_t size, int flags)
+static int __ubifs_setxattr(struct inode *host, const char *name,
+ const void *value, size_t size, int flags)
{
- struct inode *inode, *host = dentry->d_inode;
+ struct inode *inode;
struct ubifs_info *c = host->i_sb->s_fs_info;
struct qstr nm = QSTR_INIT(name, strlen(name));
struct ubifs_dent_node *xent;
union ubifs_key key;
int err, type;

- dbg_gen("xattr '%s', host ino %lu ('%.*s'), size %zd", name,
- host->i_ino, dentry->d_name.len, dentry->d_name.name, size);
ubifs_assert(mutex_is_locked(&host->i_mutex));

if (size > UBIFS_MAX_INO_DATA)
@@ -356,6 +354,16 @@ out_free:
return err;
}

+int ubifs_setxattr(struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags)
+{
+ dbg_gen("xattr '%s', host ino %lu ('%.*s'), size %zd",
+ name, dentry->d_inode->i_ino, dentry->d_name.len,
+ dentry->d_name.name, size);
+
+ return __ubifs_setxattr(dentry->d_inode, name, value, size, flags);
+}
+
ssize_t ubifs_getxattr(struct dentry *dentry, const char *name, void *buf,
size_t size)
{
--
1.7.10.4

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