Fetch metadata of storage volume

Functions
virtual std::vector< future < statfs_t > >	boost::afio::dispatcher::statfs (const std::vector< future<>> &ops, const std::vector< fs_metadata_flags > &reqs)=0
	Schedule a batch of asynchronous volume enumerations after preceding operations.
future< statfs_t >	boost::afio::async_statfs (future<> _precondition, fs_metadata_flags req)
	Asynchronous volume enumeration after a preceding operation.
statfs_t	boost::afio::statfs (future<> _precondition, fs_metadata_flags req)
	Synchronous volume enumeration after a preceding operation.
statfs_t	boost::afio::statfs (error_code &_ec, future<> _precondition, fs_metadata_flags req)
	Synchronous volume enumeration after a preceding operation.

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Function Documentation

future< statfs_t > boost::afio::dispatcher::statfs	(	const std::vector< future<>> &	ops,
		const std::vector< fs_metadata_flags > &	reqs
	)		[pure virtual]

Schedule a batch of asynchronous volume enumerations after preceding operations.

Related types: `__afio_statfs_t__`

Returns:

A batch of stl_future volume metadatas.

Parameters:

ops	A batch of op handles.
reqs	A batch of metadata requests.

{ [raceguarantee FreeBSD, OS X..Race free.] [raceguarantee Linux..The following items are fetched in a single snapshot: bsize, iosize, blocks, bfree, bavail, files, ffree, namemax, fsid, flags.rdonly, flags.noexec, flags.nosuid.] [raceguarantee Windows..The following snapshot categories apply: (i) flags, namemax, fstypename (ii) bsize, blocks, bfree, bavail. Everything else is fetched separately.] }

Definition at line 3733 of file afio.hpp.

future<statfs_t> boost::afio::async_statfs	(	future<>	_precondition,
		fs_metadata_flags	req
	)

Asynchronous volume enumeration after a preceding operation.

Returns:

A `future<statfs_t>`

Parameters:

_precondition	The precondition to use.
req	A metadata request.

{ [raceguarantee FreeBSD, OS X..Race free.] [raceguarantee Linux..The following items are fetched in a single snapshot: bsize, iosize, blocks, bfree, bavail, files, ffree, namemax, fsid, flags.rdonly, flags.noexec, flags.nosuid.] [raceguarantee Windows..The following snapshot categories apply: (i) flags, namemax, fstypename (ii) bsize, blocks, bfree, bavail. Everything else is fetched separately.] } {Amortised O(1) to dispatch. Amortised O(1) to complete.} {statfs_example}

Definition at line 5674 of file afio.hpp.

statfs_t boost::afio::statfs	(	future<>	_precondition,
		fs_metadata_flags	req
	)

Synchronous volume enumeration after a preceding operation.

Returns:

The volume metadata requested.

Parameters:

_precondition	The precondition to use.
req	A metadata request.

{distinguish, throwing} { [raceguarantee FreeBSD, OS X..Race free.] [raceguarantee Linux..The following items are fetched in a single snapshot: bsize, iosize, blocks, bfree, bavail, files, ffree, namemax, fsid, flags.rdonly, flags.noexec, flags.nosuid.] [raceguarantee Windows..The following snapshot categories apply: (i) flags, namemax, fstypename (ii) bsize, blocks, bfree, bavail. Everything else is fetched separately.] } {Amortised O(1) to dispatch. Amortised O(1) to complete.} {statfs_example}

Definition at line 5698 of file afio.hpp.

statfs_t boost::afio::statfs	(	error_code &	_ec,
		future<>	_precondition,
		fs_metadata_flags	req
	)

Synchronous volume enumeration after a preceding operation.

Returns:

The volume metadata requested.

Parameters:

_ec	Error code to set.
_precondition	The precondition to use.
req	A metadata request.

{distinguish, nonthrowing} { [raceguarantee FreeBSD, OS X..Race free.] [raceguarantee Linux..The following items are fetched in a single snapshot: bsize, iosize, blocks, bfree, bavail, files, ffree, namemax, fsid, flags.rdonly, flags.noexec, flags.nosuid.] [raceguarantee Windows..The following snapshot categories apply: (i) flags, namemax, fstypename (ii) bsize, blocks, bfree, bavail. Everything else is fetched separately.] } {Amortised O(1) to dispatch. Amortised O(1) to complete.} {statfs_example}

Definition at line 5723 of file afio.hpp.