FSCK.F2FS(8)

NAME
fsck.f2fs - check a Linux F2FS file system

SYNOPSIS
fsck.f2fs [ -a enable auto fix ] [ -f enable force fix ] [ -H ] [ -M show file map ] [ -p enable preen mode ] [ -t show stored directory tree ] [ -d debugging-level ] device

DESCRIPTION
fsck.f2fs is used to check an f2fs file system (usually in a disk partition). device is the special file corresponding to the device (e.g. /dev/sdXX).

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

OPTIONS

-a enable auto fix
    Enable to run file system check only if a bug was reported by the F2FS kernel module. It is disabled by default.

-f enable force fix
    Enable to fix all the inconsistency in the partition.

-H  Specify support write hint.

-M show files map
    Enable to show all the filenames and inode numbers stored in the image

-p enable preen mode
    Same as "-a" to support general fsck convention.

-t show stored directory tree
    Enable to show every directory entries in the partition.

-d debug-level
    Specify the level of debugging options. The default number is 0, which shows basic debugging messages.

-N  Answer "No" for all questsions.

--nolinear-lookup
    Tune linear lookup fallback, must specify an argument, 0: enable linear lookup, 1: disable linear lookup. For android case, it will disable linear lookup by default.

--fault_injection=%d enable fault injection
    Enable fault injection in all supported types with specified injection rate.

--fault_type=%d configure fault injection type
    Support configuring fault injection type, should be enabled with fault_injection option, fault type value is shown below, it supports single or combined type.
    =========================== ===========
    Type_Name Type_Value
    =========================== ===========
    FAULT_SEG_TYPE 0x00000001
    FAULT_SUM_TYPE 0x00000002
    FAULT_SUM_ENT 0x00000004
    FAULT_NAT 0x00000008
    FAULT_NODE 0x00000010
    FAULT_XATTR_ENT 0x00000020
    FAULT_COMPR 0x00000040
    FAULT_INODE 0x00000080
    FAULT_DENTRY 0x00000100
    FAULT_DATA 0x00000200
    FAULT_QUOTA 0x00000400

AUTHOR
Initial checking code was written by Byoung Geun Kim <bgbg.kim@samsung.com>.
    Jaegeuk Kim <jaegeuk@kernel.org> reworked most parts of the codes to support fixing any corrupted images.

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

SEE ALSO
mkfs.f2fs(8), dump.f2fs(8), defrag.f2fs(8), resize.f2fs(8), sload.f2fs(8).