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https://gitee.com/openharmony/third_party_f2fs-tools
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9401f8f0eb
Make.f2fs supports manually specifying overprovision, and we expect resize.f2fs to support it as well. This change add a new '-o' option to manually specify overprovision, and fix to check free space before grow. Otherwise, after grow, kernel may report below error message when we mount the image if -o parameter is specified during resize: F2FS-fs (loop0): invalid crc_offset: 0 F2FS-fs (loop0): Wrong valid_user_blocks: 16404, user_block_count: 13312 F2FS-fs (loop0): Failed to get valid F2FS checkpoint mount(2) system call failed: Structure needs cleaning. Signed-off-by: liuchao12 <liuchao12@xiaomi.com> Signed-off-by: qixiaoyu1 <qixiaoyu1@xiaomi.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> Change-Id: I2ad0ecc5546a1712b7aa36230e91c3e0b1beb7e0
78 lines
1.5 KiB
Groff
78 lines
1.5 KiB
Groff
.\" Copyright (c) 2015 Jaegeuk Kim <jaegeuk@kernel.org>
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.\"
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.TH RESIZE.F2FS 8
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.SH NAME
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resize.f2fs \- resize filesystem size
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.SH SYNOPSIS
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.B resize.f2fs
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[
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.B \-t
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.I target sectors
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]
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[
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.B \-d
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.I debugging-level
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]
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[
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.B \-o
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.I overprovision-ratio-percentage
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]
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[
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.B \-i
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]
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[
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.B \-s
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]
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[
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.B \-V
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]
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.I device
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.SH DESCRIPTION
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.B resize.f2fs
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is used to resize an f2fs file system (usually in a disk partition).
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\fIdevice\fP is the special file corresponding to the device (e.g.
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\fI/dev/sdXX\fP).
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Current version only supports expanding the prebuilt filesystem.
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.PP
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The exit code returned by
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.B resize.f2fs
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is 0 on success and -1 on failure.
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.SH OPTIONS
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.TP
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.BI \-t " target sectors"
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Specify the size in sectors.
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.TP
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.BI \-d " debug-level"
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Specify the level of debugging options.
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The default number is 0, which shows basic debugging messages.
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.TP
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.BI \-o " overprovision-ratio-percentage"
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Specify the percentage of the volume that will be used as overprovision area.
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This area is hidden to users, and utilized by F2FS cleaner. If not specified, the
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best number will be assigned automatically according to the partition size.
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.TP
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.BI \-i
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Enable extended node bitmap.
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.TP
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.BI \-s
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Enable safe resize.
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.TP
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.BI \-V
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Print the version number and exit.
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.TP
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.SH AUTHOR
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This version of
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.B resize.f2fs
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has been written by Jaegeuk Kim <jaegeuk@kernel.org>.
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.SH AVAILABILITY
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.B resize.f2fs
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is available from git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs-tools.git.
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.SH SEE ALSO
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.BR mkfs.f2fs(8),
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.BR fsck.f2fs(8),
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.BR dump.f2fs(8),
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.BR defrag.f2fs(8),
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.BR sload.f2fs(8).
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