| Commit message (Collapse) | Author | Age | Files | Lines |
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os.errno doesn't work in Python 3.7 and shouldn't have ever worked, so use
import errno explicitly.
(From OE-Core rev: 82f9157e84dcaf0ad4292053b09be68c2290d197)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Under some conditions, ioctl FIGETBSZ can't return real value.
We can try to use fallback via os.stat() to get block size.
Source of patch:
https://github.com/intel/bmap-tools/commit/17365f4fe9089df7ee9800a2a0ced177ec4798a4
(From OE-Core rev: d8f7cf2d38934c248be91101236f7537d0d31ea7)
Signed-off-by: Dogukan Ergun <dogukan.ergun@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Split long lines.
Removed unused imports.
(From OE-Core rev: 49b704864c7db49e41a0b6bbdb8a2840e7fa232b)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Fixed calculation of the dst file size using skip, seek and
length parameters. Current code does it incorrectly which
causes sparse_copy API to create unnecessary big output files.
(From OE-Core rev: e6d709a6382e4b913612f597e66ad07b0e351d5f)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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If lenght parameter is provided to sparse_copy call
it's mandatory to check if the output file is fully
written after reading unmapped block from input file.
If it's not done then sparse_copy can write more data
than specified length.
(From OE-Core rev: 289b1767182982dfb6912e64481150697ba93e4d)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Renamed parameter offset->skip to match names of dd
parameters.
Changed affected sparse_copy calls.
Added explanation of the parameters to docstring.
(From OE-Core rev: 08e2f4e59816c5757686255b267b08cbc46fbd95)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Added parameter 'length' to specify amount of data
to write into destination file. This is useful when only
part of source file should be written into destination file.
(From OE-Core rev: cc44e2eb3b5027a3531e6349937a23d73313b3c6)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Fixed bug in processing 'skip' parameter:
don't read input file if end of bmap block is less than skip
Simplified logic of positioning to the start of data inside a
partially skipped bmap block.
(From OE-Core rev: c19f78a0713c8ac9d28b78f86c6d7b96157788f0)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Added new parameter 'api' to sparse_copy function to specify
underlying filemap API to use. By default sparse_copy will
try both available APIs.
Added test case for sparse_copy to wic test suite.
(From OE-Core rev: 88701cef6ba399e82f96ed1b0eef9a44ed8c1687)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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FIEMAP API is not supported by tmpfs file system, but
SEEK_HOLE/SEEK_DATA is supported.
Returned back FilemapSeek class that implements support
of SEEK_HOLE/SEEK_DATA API to make sparse_copy API working
on tmpfs again.
This reverts commit 6b80c13f7a82a312a3b981de5a56c66466ba1fac.
(From OE-Core rev: e75bd6a7dd5c1b4bad039c35cf4a2ffc2f77c60a)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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FIEMAP API was added to Linux kernel 2.6.28 back in 2008
SEEK_HOLE and SEEK_DATA API was added much letter.
As FIEMAP is used by filemap module as a default API it's
safe to remove FileMpSeek class as it's never used.
[YOCTO #10618]
(From OE-Core rev: 44e9406ea6e3263d2fb95e9d534a21f74f318480)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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sparse_copy creates output file that is smaller than input
file when input file ends with unmapped blocks.
Used truncate(<input file size>) when output file is created
to ensure the size of output file will always be equal to
the size of input file.
(From OE-Core rev: 567186f995302a095a771baede4ff5034d1d1862)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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This patches removes the empty space in front of the copied file which
was skipped. Without this reduction it's not possible to place a
partition with rawcopy and skip parameter on a desired alignment.
(From OE-Core rev: 5c024d71f9413b81ee1707dbc41f0721f8f27bdb)
Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Generators in Python 3 don't have .next method. It's recommended
to use 'next' builtin instead. As it also present in Python >= 2.6
it should make wic code compatible with both Python 2 and Python 3.
[YOCTO #9412]
(From OE-Core rev: 9b7ab632e47d786dd979262015dbfb1254103f83)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Division operator works differently in Python 3. It results in
float unlike in Python 2, where it results in int.
Explicitly used "floor division" operator instead of 'division'
operator. This should make the code to result in integer under
both pythons.
[YOCTO #9412]
(From OE-Core rev: 997ff239bd753a7957cc14c6829b2f093d9bcef6)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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In order to make wic images sparse sparse_copy function has been
copied from meta-ostro:
https://github.com/kad/meta-ostro/blob/master/meta-ostro/lib/image-dsk.py
This function uses filemap APIs to copy source sparse file into
destination file preserving sparseness.
The function has been modified to satisfy wic requirements:
parameter 'skip' has been added.
[YOCTO #9099]
(From OE-Core rev: bfde62bdc03152a4d3d383512479b974fa867f94)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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In order to make wic images sparse set of APIs has been copied
from bmap-tools project.
filemap.py module is taken from bmap-tools project:
https://github.com/01org/bmap-tools/blob/master/bmaptools/Filemap.py
It implements two ways of get information about file block: FIEMAP
ioctl and the 'SEEK_HOLE / SEEK_DATA' features of the file seek
syscall.
Note that this module will be removed as soon as bmaptool utility
supports copying sparse source file into destination file (this is
already agreed with the maintainer of bmap-tools project).
[YOCTO #9099]
(From OE-Core rev: 182639ddc9cda85c896a54c1c64fd1fb145071a1)
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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