Commit 267bee0c authored by Andrei Vagin's avatar Andrei Vagin Committed by Andrew Morton
Browse files

tools headers UAPI: sync linux/fs.h with the kernel sources 

Required for a new PAGEMAP_SCAN test to verify guard region reporting.

Link: https://lkml.kernel.org/r/20250324065328.107678-3-avagin@google.com


Signed-off-by: default avatarAndrei Vagin <avagin@gmail.com>
Reviewed-by: default avatarLorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent a5164037

tools/include/uapi/linux/fs.h

+18 −1
Original line number Diff line number Diff line
@@ -40,6 +40,15 @@ 
#define BLOCK_SIZE_BITS 10

#define BLOCK_SIZE (1<<BLOCK_SIZE_BITS)



/* flags for integrity meta */

#define IO_INTEGRITY_CHK_GUARD		(1U << 0) /* enforce guard check */

#define IO_INTEGRITY_CHK_REFTAG		(1U << 1) /* enforce ref check */

#define IO_INTEGRITY_CHK_APPTAG		(1U << 2) /* enforce app check */



#define IO_INTEGRITY_VALID_FLAGS (IO_INTEGRITY_CHK_GUARD | \

				  IO_INTEGRITY_CHK_REFTAG | \

				  IO_INTEGRITY_CHK_APPTAG)



#define SEEK_SET	0	/* seek relative to beginning of file */

#define SEEK_CUR	1	/* seek relative to current file position */

#define SEEK_END	2	/* seek relative to end of file */
@@ -329,9 +338,16 @@ typedef int __bitwise __kernel_rwf_t; 
/* per-IO negation of O_APPEND */

#define RWF_NOAPPEND	((__force __kernel_rwf_t)0x00000020)



/* Atomic Write */

#define RWF_ATOMIC	((__force __kernel_rwf_t)0x00000040)



/* buffered IO that drops the cache after reading or writing data */

#define RWF_DONTCACHE	((__force __kernel_rwf_t)0x00000080)



/* mask of flags supported by the kernel */

#define RWF_SUPPORTED	(RWF_HIPRI | RWF_DSYNC | RWF_SYNC | RWF_NOWAIT |\

			 RWF_APPEND | RWF_NOAPPEND)

			 RWF_APPEND | RWF_NOAPPEND | RWF_ATOMIC |\

			 RWF_DONTCACHE)



#define PROCFS_IOCTL_MAGIC 'f'
@@ -347,6 +363,7 @@ typedef int __bitwise __kernel_rwf_t; 
#define PAGE_IS_PFNZERO		(1 << 5)

#define PAGE_IS_HUGE		(1 << 6)

#define PAGE_IS_SOFT_DIRTY	(1 << 7)

#define PAGE_IS_GUARD		(1 << 8)



/*

 * struct page_region - Page region with flags