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This script is originally from Darren Hart, it will be used for creating
the ext* filesystem from a given directory, which will replace the
genext2fs in image_types.bbclass at the moment, we may use the mke2fs to
replace this script again when it has the initial directory support.
Changes of the script:
* Rename it from mkdebugfs.sh to populate-extfs.sh
* Add a simple usage
* Add checking for the number of the parameters
* Add the "regular empty file" and "fifo" file type
* Set mode, uid and gid for the file
* Save the command lines to a file and batch run them
* Change the error message
* Improve the performance
* Add the support for hardlink
[YOCTO #3848]
(From OE-Core rev: 265f91149aa8c475ebe5b7069044ed94b7857fa9)
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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do_write doesn't fully set up the first extent header on a new
inode, so if we write a 0-length file, and don't write any data
to the new file, we end up creating something that looks corrupt
to kernelspace:
EXT4-fs error (device loop0): ext4_ext_check_inode:464: inode #12: comm
ls: bad header/extent: invalid magic - magic 0, entries 0, max 0(0),
depth 0(0)
Do something similar to ext4_ext_tree_init() here, and
fill out the first extent header upon creation to avoid this.
[YOCTO #3848]
(From OE-Core rev: 7d1e51681d25f6e6d2c20744825723ad5c83861c)
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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We only read the cache when:
bufsize == sizeof(struct ext2_inode)
then we should only update the cache in the same condition, otherwise
there would be errors, for example:
cache[0]: cached ino 14 when bufsize = 128 by ext2fs_write_inode_full()
cache[1]: cached ino 14 when bufsize = 156 by ext2fs_read_inode_full()
Then update the cache:
cache[0]: cached ino 15 when bufsize = 156 by ext2fs_read_inode_full()
Then the ino 14 would hit the cache[1] when bufsize = 128 (but it was
cached by bufsize = 156), so there would be errors.
[YOCTO #3848]
(From OE-Core rev: ad8452196c5b1a54c14fd00bbf421f68aea65186)
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Let debugfs do sparse copy when src is a sparse file, just like
"cp --sparse=auto"
This patch has been reviewed by the linux-ext4 mailing list, but isn't
merged atm.
[YOCTO #3848]
(From OE-Core rev: 723adaf8fbba61b7f1adc8e4a13ddf1cfb5c0bcf)
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The max length of debugfs argument is 256 which is too short, the
arguments are two paths, the PATH_MAX is 4096 according to
/usr/include/linux/limits.h, so use BUFSIZ (which is 8192 on Linux
systems), that's also what the ss library uses.
This patch has been reviewed by the linux-ext4 mailing list, but isn't
merged atm.
[YOCTO #3848]
(From OE-Core rev: a916a127768291ca7c614976e05c90153fec2956)
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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upgrade from 1.42.7 -> 1.42.8
(From OE-Core rev: 76a373c64f1b1da02fccbc51f9aaff6082effef9)
Signed-off-by: Andrei Dinu <andrei.adrianx.dinu@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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