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From ec24f6fa05f695af02b4e0fca5bc27cb1cab49b7 Mon Sep 17 00:00:00 2001
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From: "Darrick J. Wong" <darrick.wong@oracle.com>
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Date: Tue, 10 Nov 2020 12:05:32 -0500
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Subject: [PATCH] libxfs: create a real struct timespec64
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Create a real struct timespec64 that supports 64-bit seconds counts.
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The C library struct timespec doesn't support this on 32-bit
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architectures and we cannot lose the upper bits in the incore inode.
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Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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Reviewed-by: Amir Goldstein <amir73il@gmail.com>
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Reviewed-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
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---
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diff --git a/include/libxfs.h b/include/libxfs.h
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index 731561c..2bdef70 100644
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--- a/include/libxfs.h
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+++ b/include/libxfs.h
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@@ -36,8 +36,6 @@ extern uint32_t crc32c_le(uint32_t crc, unsigned char const *p, size_t len);
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#include "xfs_cksum.h"
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-#define timespec64 timespec
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-
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/*
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* This mirrors the kernel include for xfs_buf.h - it's implicitly included in
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* every files via a similar include in the kernel xfs_linux.h.
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diff --git a/include/xfs_inode.h b/include/xfs_inode.h
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index e03d1cb..ddd48be 100644
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--- a/include/xfs_inode.h
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+++ b/include/xfs_inode.h
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@@ -32,15 +32,15 @@ struct xfs_dir_ops;
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* metadata.
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*/
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struct inode {
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- mode_t i_mode;
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- uint32_t i_nlink;
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- xfs_dev_t i_rdev; /* This actually holds xfs_dev_t */
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- unsigned long i_state; /* Not actually used in userspace */
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- uint32_t i_generation;
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- uint64_t i_version;
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- struct timespec i_atime;
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- struct timespec i_mtime;
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- struct timespec i_ctime;
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+ mode_t i_mode;
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+ uint32_t i_nlink;
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+ xfs_dev_t i_rdev; /* This actually holds xfs_dev_t */
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+ unsigned long i_state; /* Not actually used in userspace */
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+ uint32_t i_generation;
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+ uint64_t i_version;
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+ struct timespec64 i_atime;
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+ struct timespec64 i_mtime;
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+ struct timespec64 i_ctime;
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};
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typedef struct xfs_inode {
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diff --git a/libxfs/libxfs_priv.h b/libxfs/libxfs_priv.h
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index 8232f89..b45d07e 100644
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--- a/libxfs/libxfs_priv.h
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+++ b/libxfs/libxfs_priv.h
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@@ -62,8 +62,6 @@ extern kmem_zone_t *xfs_buf_zone;
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extern kmem_zone_t *xfs_inode_zone;
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extern kmem_zone_t *xfs_trans_zone;
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-#define timespec64 timespec
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-
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/* CRC stuff, buffer API dependent on it */
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#define crc32c(c,p,l) crc32c_le((c),(unsigned char const *)(p),(l))
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diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h
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index c8a3b12..fbc9031 100644
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--- a/libxfs/xfs_fs.h
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+++ b/libxfs/xfs_fs.h
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@@ -686,6 +686,14 @@ struct xfs_extent_data {
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#define XFS_IOC_CLONE_RANGE _IOW (0x94, 13, struct xfs_clone_args)
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#define XFS_IOC_FILE_EXTENT_SAME _IOWR(0x94, 54, struct xfs_extent_data)
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+/* 64-bit seconds counter that works independently of the C library time_t. */
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+typedef long long int time64_t;
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+
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+struct timespec64 {
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+ time64_t tv_sec; /* seconds */
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+ long tv_nsec; /* nanoseconds */
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+};
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+
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#ifndef HAVE_BBMACROS
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/*
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* Block I/O parameterization. A basic block (BB) is the lowest size of
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