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cp: optional --reflink support

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function                                             old     new   delta
cp_main                                              428     512     +84
copy_file                                           1676    1742     +66

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2018-07-13 20:30:02 +02:00
parent 253f555f01
commit 79fb6ac7a5
3 changed files with 46 additions and 0 deletions
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3
include/libbb.h
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@ -410,6 +410,9 @@ enum { /* cp.c, mv.c, install.c depend on these values. CAREFUL when changing th
FILEUTILS_PRESERVE_SECURITY_CONTEXT = 1 << 15, /* -c */
#endif
FILEUTILS_RMDEST = 1 << (16 - !ENABLE_SELINUX), /* --remove-destination */
/* bit 17 skipped for "cp --parents" */
FILEUTILS_REFLINK = 1 << (18 - !ENABLE_SELINUX), /* cp --reflink=auto */
FILEUTILS_REFLINK_ALWAYS = 1 << (19 - !ENABLE_SELINUX), /* cp --reflink[=always] */
/*
* Hole. cp may have some bits set here,
* they should not affect remove_file()/copy_file()