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copy_file_range: fix fallback when source create on same txg

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In 019dea0a5 we removed the conversion from EAGAIN->EXDEV inside
zfs_clone_range(), but forgot to add a test for EAGAIN to the
copy_file_range() entry points to trigger fallback to a content copy.

This commit fixes that.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Kay Pedersen <mail@mkwg.de>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #15170
Closes #15172
This commit is contained in:
Rob N
2023-08-15 10:34:14 +10:00
committed by Brian Behlendorf
parent 645a7e4d95
commit 92f095a903
7 changed files with 81 additions and 8 deletions
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tests/runfiles/linux.run
+2 -1
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@@ -41,7 +41,8 @@ tests = ['block_cloning_copyfilerange', 'block_cloning_copyfilerange_partial',
'block_cloning_ficlonerange_partial',
'block_cloning_disabled_copyfilerange', 'block_cloning_disabled_ficlone',
'block_cloning_disabled_ficlonerange',
'block_cloning_copyfilerange_cross_dataset']
'block_cloning_copyfilerange_cross_dataset',
'block_cloning_copyfilerange_fallback_same_txg']
tags = ['functional', 'block_cloning']
[tests/functional/chattr:Linux]