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Commit torvalds/linux@95582b0 changes the inode i_atime, i_mtime, and i_ctime members form timespec's to timespec64's to make them 2038 safe. As part of this change the current_time() function was also updated to return the timespec64 type. Resolve this issue by introducing a new inode_timespec_t type which is defined to match the timespec type used by the inode. It should be used when working with inode timestamps to ensure matching types. The timestruc_t type under Illumos was used in a similar fashion but was specified to always be a timespec_t. Rather than incorrectly define this type all timespec_t types have been replaced by the new inode_timespec_t type. Finally, the kernel and user space 'sys/time.h' headers were aligned with each other. They define as appropriate for the context several constants as macros and include static inline implementation of gethrestime(), gethrestime_sec(), and gethrtime(). Reviewed-by: Chunwei Chen <tuxoko@gmail.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #7643
19 lines
483 B
Plaintext
19 lines
483 B
Plaintext
dnl #
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dnl # 4.9, current_time() added
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dnl # 4.18, return type changed from timespec to timespec64
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_CURRENT_TIME],
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[AC_MSG_CHECKING([whether current_time() exists])
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ZFS_LINUX_TRY_COMPILE_SYMBOL([
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#include <linux/fs.h>
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], [
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struct inode ip __attribute__ ((unused));
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ip.i_atime = current_time(&ip);
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], [current_time], [fs/inode.c], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_CURRENT_TIME, 1, [current_time() exists])
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], [
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AC_MSG_RESULT(no)
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])
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])
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