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3 places where we copy pathnames into ioctl arguments
were not limited to the destination name size, and
could overflow. Use the new strncpy_null() macro
to make this safe.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
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finish_subvol() initializes and tests info_fd but it is never used.
Signed-off-by: Zach Brown <zab@redhat.com>
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When typing command "btrfs send --help" or "btrfs receive --help",
the help information of the commands is incomplete, which only
shows a short usage.
This patch helps to display the complete infomation of the commands.
Signed-off-by: Cheng Yang <chenyang.fnst@cn.fujitsu.com>
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Fix the usage string to specify the correct '-f' option for input file,
not '-i'.
Signed-off-by: Ulrik Sverdrup <ulrik.sverdrup@gmail.com>
Signed-off-by: Gene Czarcinski <gene@czarc.net>
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Signed-off-by: Alex Lyakas <alex.btrfs@zadarastorage.com>
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The kernel uses unsigned long long for u64, but PPC64 uses unsigned
long by default. This results in compilation warnings such as:
print-tree.c:333: warning: format '%llu' expects type 'long long
unsigned int', but argument 4 has type 'u64'
To fix this, the macro __KERNEL__ needs to be defined before including
the file <asm/types.h>. This can be done by defining the macro in
"kerncompat.h" and making it the first included file in the relevant
header files; this fixes the compiler warnings on PPC64.
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Wade Cline <clinew@linux.vnet.ibm.com>
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Add user space commands for btrfs send/receive.
Signed-off-by: Alexander Block <ablock84@googlemail.com>
Reviewed-by: David Sterba <dave@jikos.cz>
Reviewed-by: Arne Jansen <sensille@gmx.net>
Reviewed-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Reviewed-by: Alex Lyakas <alex.bolshoy.btrfs@gmail.com>
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