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

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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: Andrei Vagin <avagin@gmail.com>
Reviewed-by: Lorenzo 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: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Andrei Vagin 2025-03-24 06:53:27 +00:00 committed by Andrew Morton
parent a516403787
commit 267bee0cd8
1 changed files with 18 additions and 1 deletions
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19
tools/include/uapi/linux/fs.h
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@ -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