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This functions adds necessary APIs needed in JBD2 layer for fast commits. Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com> Link: https://lore.kernel.org/r/20201015203802.3597742-5-harshadshirwadkar@gmail.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
28 lines
724 B
C
28 lines
724 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* fs/ext4/fast_commit.c
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*
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* Written by Harshad Shirwadkar <harshadshirwadkar@gmail.com>
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*
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* Ext4 fast commits routines.
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*/
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#include "ext4_jbd2.h"
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/*
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* Fast commit cleanup routine. This is called after every fast commit and
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* full commit. full is true if we are called after a full commit.
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*/
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static void ext4_fc_cleanup(journal_t *journal, int full)
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{
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}
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void ext4_fc_init(struct super_block *sb, journal_t *journal)
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{
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if (!test_opt2(sb, JOURNAL_FAST_COMMIT))
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return;
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journal->j_fc_cleanup_callback = ext4_fc_cleanup;
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if (jbd2_fc_init(journal, EXT4_NUM_FC_BLKS)) {
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pr_warn("Error while enabling fast commits, turning off.");
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ext4_clear_feature_fast_commit(sb);
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}
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}
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