Manpages - ioctl_xfs_goingdown.2
Table of Contents
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NAME
ioctl_xfs_goingdown - shut down an XFS filesystem
SYNOPSIS
#include <xfs/xfs_fs.h>
int ioctl(int */fd/, XFS_IOC_GOINGDOWN, uint32_t flags);*
DESCRIPTION
Shuts down a live XFS filesystem. This is a software initiated hard shutdown and should be avoided whenever possible. After this call completes, the filesystem ill be totally unusable until the filesystem has been unmounted and remounted.
flags can be one of the following:
- XFS_FSOP_GOING_FLAGS_DEFAULT
- Flush all dirty data and metadata to disk, flush pending transactions to the log, and shut down.
- XFS_FSOP_GOING_FLAGS_LOGFLUSH
- Flush all pending metadata transactions to the log and shut down, leaving all dirty data unwritten.
- XFS_FSOP_GOING_FLAGS_NOLOGFLUSH
- Shut down immediately, without writing pending transactions or dirty data to disk.
RETURN VALUE
On error, -1 is returned, and errno is set to indicate the error.
ERRORS
Error codes can be one of, but are not limited to, the following:
- EFSBADCRC
- Metadata checksum validation failed while performing the query.
- EFSCORRUPTED
- Metadata corruption was encountered while performing the query.
- EIO
- An I/O error was encountered while performing the query.
- EPERM
- Caller did not have permission to shut down the filesystem.
CONFORMING TO
This API is specific to XFS filesystem on the Linux kernel.
SEE ALSO
*ioctl*(2)