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Fix cloning into mmaped and cached file.

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If the destination file is mmaped and the mmaped region was already
read, so it is cached, we need to update mmaped pages after successful
clone using update_pages().

Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Pointed out by: Ka Ho Ng <khng@freebsd.org>
Signed-off-by: Pawel Jakub Dawidek <pawel@dawidek.net>
Closes #15772
This commit is contained in:
Pawel Jakub Dawidek
2024-01-17 08:51:07 -08:00
committed by GitHub
parent f0bf7a247d
commit f45dd90f34
10 changed files with 247 additions and 1 deletions
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tests/zfs-tests/cmd/Makefile.am
+1
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@@ -3,6 +3,7 @@ scripts_zfs_tests_bindir = $(datadir)/$(PACKAGE)/zfs-tests/bin
scripts_zfs_tests_bin_PROGRAMS = %D%/chg_usr_exec
scripts_zfs_tests_bin_PROGRAMS += %D%/clonefile
scripts_zfs_tests_bin_PROGRAMS += %D%/clone_mmap_cached
scripts_zfs_tests_bin_PROGRAMS += %D%/clone_mmap_write
scripts_zfs_tests_bin_PROGRAMS += %D%/cp_files
scripts_zfs_tests_bin_PROGRAMS += %D%/ctime