dump.f2fs man page

dump.f2fs — retrieve directory and file entries from an F2FS-formated image


dump.f2fs [ -i inode number ] [ -s SIT range ] [ -a SSA range ] [ -b block address ] [ -d debugging-level ] device


dump.f2fs is used to retrieve f2fs metadata (usually in a disk partition). device is the special file corresponding to the device (e.g. /dev/sdXX).

Currently, it can retrieve 1) a file given its inode number, 2) SIT entries into a file, 3) SSA entries into a file, 4) reverse information from the given block address.

The exit code returned by dump.f2fs is 0 on success and -1 on failure.


-i inode number
Specify an inode number to dump out.
-s SIT range
Specify a range presented by segment numbers to dump SIT entries.
-a SSA range
Specify a range presented by segment numbers to dump SSA entries.
-b block address
Specify a block address to retrieve its metadata information.
-d debug-level
Specify the level of debugging options. The default number is 0, which shows basic debugging messages.


Initial checking code was written by Byoung Geun Kim <bgbg.kim@samsung.com>.


dump.f2fs is available from git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs-tools.git.

See Also

mkfs.f2fs(8), fsck.f2fs(8), defrag.f2fs(8), resize.f2fs(8), sload.f2fs(8).

Referenced By

defrag.f2fs(8), fsck.f2fs(8), mkfs.f2fs(8), resize.f2fs(8), sload.f2fs(8).

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