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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /fs/ext2/xattr_user.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | fs/ext2/xattr_user.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/fs/ext2/xattr_user.c b/fs/ext2/xattr_user.c new file mode 100644 index 000000000..58092449f --- /dev/null +++ b/fs/ext2/xattr_user.c @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * linux/fs/ext2/xattr_user.c + * Handler for extended user attributes. + * + * Copyright (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org> + */ + +#include <linux/init.h> +#include <linux/string.h> +#include "ext2.h" +#include "xattr.h" + +static bool +ext2_xattr_user_list(struct dentry *dentry) +{ + return test_opt(dentry->d_sb, XATTR_USER); +} + +static int +ext2_xattr_user_get(const struct xattr_handler *handler, + struct dentry *unused, struct inode *inode, + const char *name, void *buffer, size_t size) +{ + if (!test_opt(inode->i_sb, XATTR_USER)) + return -EOPNOTSUPP; + return ext2_xattr_get(inode, EXT2_XATTR_INDEX_USER, + name, buffer, size); +} + +static int +ext2_xattr_user_set(const struct xattr_handler *handler, + struct user_namespace *mnt_userns, + struct dentry *unused, struct inode *inode, + const char *name, const void *value, + size_t size, int flags) +{ + if (!test_opt(inode->i_sb, XATTR_USER)) + return -EOPNOTSUPP; + + return ext2_xattr_set(inode, EXT2_XATTR_INDEX_USER, + name, value, size, flags); +} + +const struct xattr_handler ext2_xattr_user_handler = { + .prefix = XATTR_USER_PREFIX, + .list = ext2_xattr_user_list, + .get = ext2_xattr_user_get, + .set = ext2_xattr_user_set, +}; |