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Fall back if copy_file_range fails with EINVAL

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Although EINVAL usually indicates a programming error, ecryptfs (and
possibly other stacked filesystems) returns EINVAL for attempts to
copy_file_range() or sendfile() between files on that filesystem.

Resolves: https://gitlab.gnome.org/GNOME/libglnx/-/issues/3
This commit is contained in:
Olaf Leidinger
2022-01-24 16:12:57 +01:00
committed by Simon McVittie
parent ef502aabf7
commit 24231a956a
1 changed files with 1 additions and 1 deletions
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2
glnx-fdio.c
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@@ -829,7 +829,7 @@ glnx_regfile_copy_bytes (int fdf, int fdt, off_t max_bytes)
have_cfr = 0;
try_cfr = false;
}
else if (G_IN_SET (errno, EXDEV, EOPNOTSUPP))
else if (G_IN_SET (errno, EXDEV, EINVAL, EOPNOTSUPP))
/* We won't try cfr again for this run, but let's be
* conservative and not mark it as available/unavailable until
* we know for sure.