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STRUCT JBD2_JOURNAL_(9) The Linux Journalling API STRUCT JBD2_JOURNAL_(9)

NAME

struct_jbd2_journal_handle - The handle_s type is the concrete type associated with handle_t.

SYNOPSIS

struct jbd2_journal_handle {
  union {unnamed_union};
  handle_t * h_rsv_handle;
  int h_buffer_credits;
  int h_ref;
  int h_err;
  unsigned int h_sync:1;
  unsigned int h_jdata:1;
  unsigned int h_reserved:1;
  unsigned int h_aborted:1;
  unsigned int h_type:8;
  unsigned int h_line_no:16;
  unsigned long h_start_jiffies;
  unsigned int h_requested_credits;
};

MEMBERS

{unnamed_union}
anonymous

h_rsv_handle

Handle reserved for finishing the logical operation.

h_buffer_credits

Number of remaining buffers we are allowed to dirty.

h_ref

Reference count on this handle.

h_err

Field for caller's use to track errors through large fs operations.

h_sync

Flag for sync-on-close.

h_jdata

Flag to force data journaling.

h_reserved

Flag for handle for reserved credits.

h_aborted

Flag indicating fatal error on handle.

h_type

For handle statistics.

h_line_no

For handle statistics.

h_start_jiffies

Handle Start time.

h_requested_credits

Holds h_buffer_credits after handle is started.

AUTHORS

Roger Gammans <rgammans@computer-surgery.co.uk>
Author.

Stephen Tweedie <sct@redhat.com>

Author.

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.