The patch titled
Introduce vfs_listxattr()
has been added to the -mm tree. Its filename is
introduce-vfs_listxattr.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Introduce vfs_listxattr()
From: Bill Nottingham <notting@xxxxxxxxxx>
Move code out of fs/xattr.c:listxattr into a new function -
vfs_listxattr(). The code for vfs_listxattr was originally submitted by
Bill Nottingham <notting@xxxxxxxxxx> to Unionfs.
Signed-off-by: Josef "Jeff" Sipek <jsipek@xxxxxxxxxxxxx>
Acked-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
fs/xattr.c | 33 +++++++++++++++++++++------------
include/linux/xattr.h | 1 +
2 files changed, 22 insertions(+), 12 deletions(-)
diff -puN fs/xattr.c~introduce-vfs_listxattr fs/xattr.c
--- a/fs/xattr.c~introduce-vfs_listxattr
+++ a/fs/xattr.c
@@ -135,6 +135,26 @@ vfs_getxattr(struct dentry *dentry, char
}
EXPORT_SYMBOL_GPL(vfs_getxattr);
+ssize_t
+vfs_listxattr(struct dentry *d, char *list, size_t size)
+{
+ ssize_t error;
+
+ error = security_inode_listxattr(d);
+ if (error)
+ return error;
+ error = -EOPNOTSUPP;
+ if (d->d_inode->i_op && d->d_inode->i_op->listxattr) {
+ error = d->d_inode->i_op->listxattr(d, list, size);
+ } else {
+ error = security_inode_listsecurity(d->d_inode, list, size);
+ if (size && error > size)
+ error = -ERANGE;
+ }
+ return error;
+}
+EXPORT_SYMBOL_GPL(vfs_listxattr);
+
int
vfs_removexattr(struct dentry *dentry, char *name)
{
@@ -346,17 +366,7 @@ listxattr(struct dentry *d, char __user
return -ENOMEM;
}
- error = security_inode_listxattr(d);
- if (error)
- goto out;
- error = -EOPNOTSUPP;
- if (d->d_inode->i_op && d->d_inode->i_op->listxattr) {
- error = d->d_inode->i_op->listxattr(d, klist, size);
- } else {
- error = security_inode_listsecurity(d->d_inode, klist, size);
- if (size && error > size)
- error = -ERANGE;
- }
+ error = vfs_listxattr(d, klist, size);
if (error > 0) {
if (size && copy_to_user(list, klist, error))
error = -EFAULT;
@@ -365,7 +375,6 @@ listxattr(struct dentry *d, char __user
than XATTR_LIST_MAX bytes. Not possible. */
error = -E2BIG;
}
-out:
kfree(klist);
return error;
}
diff -puN include/linux/xattr.h~introduce-vfs_listxattr include/linux/xattr.h
--- a/include/linux/xattr.h~introduce-vfs_listxattr
+++ a/include/linux/xattr.h
@@ -41,6 +41,7 @@ struct xattr_handler {
};
ssize_t vfs_getxattr(struct dentry *, char *, void *, size_t);
+ssize_t vfs_listxattr(struct dentry *d, char *list, size_t size);
int vfs_setxattr(struct dentry *, char *, void *, size_t, int);
int vfs_removexattr(struct dentry *, char *);
_
Patches currently in -mm which might be from notting@xxxxxxxxxx are
introduce-vfs_listxattr.patch
-
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