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loop: Add _from_fd variants for the remaining loop functions #1210

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loop: Add _from_fd variants for the remaining loop functions #1210

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4 changes: 4 additions & 0 deletions docs/libblockdev-sections.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -271,14 +271,18 @@ BD_LOOP_ERROR
BDLoopError
BDLoopInfo
bd_loop_info
bd_loop_info_from_fd
bd_loop_info_copy
bd_loop_info_free
bd_loop_get_loop_name
bd_loop_setup
bd_loop_setup_from_fd
bd_loop_teardown
bd_loop_teardown_from_fd
bd_loop_set_autoclear
bd_loop_set_autoclear_from_fd
bd_loop_set_capacity
bd_loop_set_capacity_from_fd
BDLoopTech
BDLoopTechMode
bd_loop_is_tech_avail
Expand Down
50 changes: 50 additions & 0 deletions src/lib/plugin_apis/loop.api
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Expand Up @@ -117,6 +117,18 @@ GType bd_loop_info_get_type () {
*/
BDLoopInfo* bd_loop_info (const gchar *loop, GError **error);

/**
* bd_loop_info_from_fd:
* @fd: file descriptor of an open loop device to get information about
* @error: (out) (optional): place to store error (if any)
*
* Returns: (transfer full): information about the loop device represented by @fd
* or %NULL in case of error
*
* Tech category: %BD_LOOP_TECH_LOOP-%BD_LOOP_TECH_MODE_QUERY
*/
BDLoopInfo* bd_loop_info_from_fd (gint fd, GError **error);

/**
* bd_loop_get_loop_name:
* @file: path of the backing file to get loop name for
Expand Down Expand Up @@ -174,6 +186,17 @@ gboolean bd_loop_setup_from_fd (gint fd, guint64 offset, guint64 size, gboolean
*/
gboolean bd_loop_teardown (const gchar *loop, GError **error);

/**
* bd_loop_teardown_from_fd:
* @fd: file descriptor of an open loop device to tear down
* @error: (out) (optional): place to store error (if any)
*
* Returns: whether the loop device represented by @fd was successfully torn down or not
*
* Tech category: %BD_LOOP_TECH_LOOP-%BD_LOOP_TECH_MODE_DESTROY
*/
gboolean bd_loop_teardown_from_fd (gint fd, GError **error);

/**
* bd_loop_set_autoclear:
* @loop: path or name of the loop device
Expand All @@ -186,6 +209,19 @@ gboolean bd_loop_teardown (const gchar *loop, GError **error);
*/
gboolean bd_loop_set_autoclear (const gchar *loop, gboolean autoclear, GError **error);

/**
* bd_loop_set_autoclear_from_fd:
* @fd: file descriptor of an open loop device
* @autoclear: whether to set or unset the autoclear flag
* @error: (out) (optional): place to store error (if any)
*
* Returns: whether the autoclear flag was successfully set on the loop device
* represented by @fd or not
*
* Tech category: %BD_LOOP_TECH_LOOP-%BD_LOOP_TECH_MODE_MODIFY
*/
gboolean bd_loop_set_autoclear_from_fd (gint fd, gboolean autoclear, GError **error);

/**
* bd_loop_set_capacity:
* @loop: path or name of the loop device
Expand All @@ -200,4 +236,18 @@ gboolean bd_loop_set_autoclear (const gchar *loop, gboolean autoclear, GError **
*/
gboolean bd_loop_set_capacity (const gchar *loop, GError **error);

/**
* bd_loop_set_capacity_from_fd:
* @fd: file descriptor of an open loop device
* @error: (out) (optional): place to store error (if any)
*
* Force the loop driver to reread the size of the file associated with the loop
* device represented by @fd.
*
* Returns: whether the LOOP_SET_CAPACITY ioctl was successfully issued or not.
*
* Tech category: %BD_LOOP_TECH_LOOP-%BD_LOOP_TECH_MODE_MODIFY
*/
gboolean bd_loop_set_capacity_from_fd (gint fd, GError **error);

#endif /* BD_LOOP_API */
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