mirror of https://github.com/vitalif/e2fsprogs
32 lines
1.1 KiB
Groff
32 lines
1.1 KiB
Groff
.TH E2PATCH 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
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.SH NAME
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e2patch \- patch tool for safely applying libext2fs patch files to block devices
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.SH SYNOPSIS
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.B e2patch backup \fI<device>\fR \fI<patch_file>\fR \fI<backup_file>\fR
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.br
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.B e2patch apply \fI<device>\fR \fI<patch_file>\fR
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.SH DESCRIPTION
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.B e2patch
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applies and restores "patches" produced by e2fsprogs with patch file option
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(\fBresize2fs -T <patch_file>\fR) to block devices.
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.PP
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"Patch files" are sparse files containing overwritten device blocks and
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a block bitmap.
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.PP
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"Patch files" are faster, safer and simpler to use than "undo files"
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(\fBe2undo\fR and \fBresize2fs -z <undo_file>\fR), even though their original
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design goal is similar.
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.SH COMMANDS
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.TP
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.B e2patch backup \fI<device>\fR \fI<patch_file>\fR \fI<backup_file>\fR
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Creates a backup in <backup_file> for restoring after bad patch <patch_file>.
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Backup can then also be applied with \fBe2patch apply\fR
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.TP
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.B e2patch apply \fI<device>\fR \fI<patch_file>\fR
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Apply <patch_file> to <device>.
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.SH AUTHOR
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Written by Vitaliy Filippov <vitalif@mail.ru>
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.SH SEE ALSO
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.BR resize2fs (8),
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.BR e2undo (8).
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