| Commit message (Collapse) | Author | Age | Files | Lines |
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ext4fs_read_file() tries to tries to bundle contiguous block reads into
longer reads from the device. In barebox we cache in the block layer
already, so this is unnecessary. Simplify the code by removing the
bundled reads.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When a block we read is a sparse block, we memset the corresponding
output buffer to zero. If that block is the last block we read, we
may not memset the whole block, but only up to the length of the output
buffer, which may be shorter than a full block.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This is an adoption of the U-Boot commit
| commit 7f101be314da1f6f612a1b84822f791d6569946b
| Author: Michael Walle <michael@walle.cc>
| Date: Mon Aug 29 10:46:44 2016 +0200
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| ext4: use kernel names for byte swaps
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| Instead of __{be,le}{16,32}_to_cpu use {be,le}{16,32}_to_cpu.
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| Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The ext4 implementation has been taken from U-Boot with some
changes:
- No global variables to allow for multiple filesystems to
be mounted and multiple files to be open.
- remove fs internal link following and use the barebox link
implementation.
- remove write support. This is incomplete in U-Boot, so I decided
to skip this for now.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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