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jbd2: remove unneeded check of ret in jbd2_fc_get_buf

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Simply return -EINVAL if j_fc_off is invalid to avoid repeated check of
ret.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Zhang Yi <yi.zhang@huawei.com>
Link: https://patch.msgid.link/20240801013815.2393869-9-shikemeng@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Kemeng Shi 2024-08-01 09:38:15 +08:00 committed by Theodore Ts'o
parent 1862304b06
commit 6140ceb9b2
1 changed files with 5 additions and 11 deletions
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16
fs/jbd2/journal.c
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@ -837,17 +837,12 @@ int jbd2_fc_get_buf(journal_t *journal, struct buffer_head **bh_out)
*bh_out = NULL;
if (journal->j_fc_off + journal->j_fc_first < journal->j_fc_last) {
fc_off = journal->j_fc_off;
blocknr = journal->j_fc_first + fc_off;
journal->j_fc_off++;
} else {
ret = -EINVAL;
}
if (ret)
return ret;
if (journal->j_fc_off + journal->j_fc_first >= journal->j_fc_last)
return -EINVAL;
fc_off = journal->j_fc_off;
blocknr = journal->j_fc_first + fc_off;
journal->j_fc_off++;
ret = jbd2_journal_bmap(journal, blocknr, &pblock);
if (ret)
return ret;
@ -856,7 +851,6 @@ int jbd2_fc_get_buf(journal_t *journal, struct buffer_head **bh_out)
if (!bh)
return -ENOMEM;
journal->j_fc_wbuf[fc_off] = bh;
*bh_out = bh;