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IOCT-XF-GOINGDOWN
Section: System Calls (2) Updated: 201-0-17 Index
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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)
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- CONFORMING TO
-
- SEE ALSO
-
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