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mdbx: backport - ITS#7682 F_NOCACHE: Allow error, skip any O_DIRECT.
We can run without F_NOCACHE if it fails. And we do not know what combining it with O_DIRECT means, if a system has both. Change-Id: Iec12b7097f4ed9f3ea5beae4a2deb874e4118131
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11
mdb.c
11
mdb.c
@ -9550,17 +9550,12 @@ mdb_env_copy2(MDB_env *env, const char *path, unsigned flags)
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}
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if (env->me_psize >= env->me_os_psize) {
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#ifdef O_DIRECT
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#ifdef F_NOCACHE /* __APPLE__ */
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(void) fcntl(newfd, F_NOCACHE, 1);
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#elif defined O_DIRECT
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/* Set O_DIRECT if the file system supports it */
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if ((rc = fcntl(newfd, F_GETFL)) != -1)
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(void) fcntl(newfd, F_SETFL, rc | O_DIRECT);
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#endif
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#ifdef F_NOCACHE /* __APPLE__ */
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rc = fcntl(newfd, F_NOCACHE, 1);
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if (rc) {
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rc = errno;
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goto leave;
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}
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#endif
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}
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