Maksytka/linux
1
1
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2025-12-01 07:26:02 +07:00
Code Issues Packages Projects Releases Wiki Activity

fs: add helper to use mount option as path or fd

Browse Source 
Allow filesystems to use a mount option either as a
file or path.

Link: https://lore.kernel.org/r/20241014-work-overlayfs-v3-1-32b3fed1286e@kernel.org
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner
2024-10-14 11:40:56 +02:00
parent 8cf0b93919
commit c2f8fde868
2 changed files with 24 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
fs/fs_parser.c
View File

@@ -308,6 +308,26 @@ int fs_param_is_fd(struct p_log *log, const struct fs_parameter_spec *p,
}
EXPORT_SYMBOL(fs_param_is_fd);
int fs_param_is_file_or_string(struct p_log *log,
const struct fs_parameter_spec *p,
struct fs_parameter *param,
struct fs_parse_result *result)
{
switch (param->type) {
case fs_value_is_string:
return fs_param_is_string(log, p, param, result);
case fs_value_is_file:
result->uint_32 = param->dirfd;
if (result->uint_32 <= INT_MAX)
return 0;
break;
default:
break;
}
return fs_param_bad_value(log, param);
}
EXPORT_SYMBOL(fs_param_is_file_or_string);
int fs_param_is_uid(struct p_log *log, const struct fs_parameter_spec *p,
struct fs_parameter *param, struct fs_parse_result *result)
{