| Subject | [PATCH 02/67] vfs: Provide S_KERNEL_FILE inode flag | From | David Howells <> | Date | Mon, 18 Oct 2021 15:50:52 +0100 |
| |
Provide an S_KERNEL_FILE inode flag that a kernel service, e.g. cachefiles, can set to ward off other kernel services and drivers (including itself) from using files it is actively using.
Signed-off-by: David Howells <dhowells@redhat.com> ---
include/linux/fs.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/include/linux/fs.h b/include/linux/fs.h index e7a633353fd2..197493507744 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2250,6 +2250,7 @@ struct super_operations { #define S_ENCRYPTED (1 << 14) /* Encrypted file (using fs/crypto/) */ #define S_CASEFOLD (1 << 15) /* Casefolded file */ #define S_VERITY (1 << 16) /* Verity file (using fs/verity/) */ +#define S_KERNEL_FILE (1 << 17) /* File is in use by the kernel (eg. fs/cachefiles) */ /* * Note that nosuid etc flags are inode-specific: setting some file-system
|