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If e2fsprogs tools (mke2fs, e2fsck) is run on regular file instead of
on block device, we can use punch hole instead of regular discard
command which would not work on regular file anyway. This gives us
several advantages. First of all when e2fsck is run with '-E discard'
parameter it will punch out all ununsed space from the image, hence
trimming down the file system image. And secondly, when creating an
file system on regular file (with '-E discard' which is default), we
can use punch hole to clear the file content, hence we can skip inode
table initialization, because reads from sparse area returns zeros. This
will result in faster file system creation (without the need to specify
lazy_itable_init) and smaller images.
This commit also fixes some tests that would fail due to mke2fs showing
discard progress, hence the output would differ.
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Avoid lots of tests failing if e2fsprogs is compiled with
--disable-debugfs.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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The /tmp directory is often a memory based file system, and using this
can speed up running the regression test suite.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Conflicts:
configure
configure.in
misc/mke2fs.c
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The previous commit adds a new line printed by mke2fs with the
filesystem/device topology information. Update the regression test's
expected output to account for this.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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With 64-bit file systems, mke2fs can take a long time to do things
other than write inode tables. I exported the mke2fs numeric progress
meter and used it for allocating group tables and the final file
system flush.
Signed-off-by: Valerie Aurora (Henson) <vaurora@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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E2fsck could to do more damage to a filesystem by trying to relocate
inode tables due to corrupted block group descriptors, and the
relocation could seriously damage the filesystem.
This patch enhances ext2fs_check_desk() so it detects more
self-inconsistent block group descriptors, including the cases where
e2sck might be tempted to relocate the inode table, and reports the
block group descriptors as invalid; this will cause e2fsck to attempt
to use the backup superblocks, which hopefully have not been trashed.
Addresses-Sourceforge-Bug: #1840291
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Signed-off-by: Matthias Andree <matthias.andree@gmx.de>
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f_swapfs, f_move_itable, f_resize_inode, test_config:
Allow the diff options to be set in test_config so that
diff -u can be used on platforms that have it. (To be
done: checking whether diff can support -u in the
configure script.)
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m_read_opt, m_std, run_mke2fs, filter_dumpe2fs: Make tests
portable so they pass correctly on a FreeBSD system.
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set_inode to set_inode_field.
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test suite, which tests e2fsck and reszizefs2, respecitvely.
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