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jbd2: Rename h_buffer_credits to h_total_credits

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The credit counter now contains both buffer and revoke descriptor block
credits. Rename to counter to h_total_credits to reflect that. No
functional change.

Reviewed-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20191105164437.32602-21-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Jan Kara
2019-11-05 17:44:27 +01:00
committed by Theodore Ts'o
parent fdc3ef882a
commit 933f1c1e0b
2 changed files with 20 additions and 19 deletions
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9
include/linux/jbd2.h
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@@ -477,7 +477,8 @@ struct jbd2_revoke_table_s;
* @h_transaction: Which compound transaction is this update a part of?
* @h_journal: Which journal handle belongs to - used iff h_reserved set.
* @h_rsv_handle: Handle reserved for finishing the logical operation.
* @h_buffer_credits: Number of remaining buffers we are allowed to dirty.
* @h_total_credits: Number of remaining buffers we are allowed to add to
journal. These are dirty buffers and revoke descriptor blocks.
* @h_revoke_credits: Number of remaining revoke records available for handle
* @h_ref: Reference count on this handle.
* @h_err: Field for caller's use to track errors through large fs operations.
@@ -488,7 +489,7 @@ struct jbd2_revoke_table_s;
* @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.
* @h_requested_credits: Holds @h_total_credits after handle is started.
* @h_revoke_credits_requested: Holds @h_revoke_credits after handle is started.
* @saved_alloc_context: Saved context while transaction is open.
**/
@@ -506,7 +507,7 @@ struct jbd2_journal_handle
};
handle_t *h_rsv_handle;
int h_buffer_credits;
int h_total_credits;
int h_revoke_credits;
int h_revoke_credits_requested;
int h_ref;
@@ -1652,7 +1653,7 @@ static inline int jbd2_handle_buffer_credits(handle_t *handle)
{
journal_t *journal = handle->h_transaction->t_journal;
return handle->h_buffer_credits -
return handle->h_total_credits -
DIV_ROUND_UP(handle->h_revoke_credits_requested,
journal->j_revoke_records_per_block);
}