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Diffstat (limited to 'fs/jbd2/journal.c')
-rw-r--r--fs/jbd2/journal.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 97f487c3d8fc..7e49d912b091 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -318,7 +318,6 @@ static inline void jbd2_data_do_escape(char *data)
*
*
* Return value:
- * <0: Error
* =0: Finished OK without escape
* =1: Finished OK with escape
*/
@@ -386,12 +385,7 @@ int jbd2_journal_write_metadata_buffer(transaction_t *transaction,
goto escape_done;
spin_unlock(&jh_in->b_state_lock);
- tmp = jbd2_alloc(bh_in->b_size, GFP_NOFS);
- if (!tmp) {
- brelse(new_bh);
- free_buffer_head(new_bh);
- return -ENOMEM;
- }
+ tmp = jbd2_alloc(bh_in->b_size, GFP_NOFS | __GFP_NOFAIL);
spin_lock(&jh_in->b_state_lock);
if (jh_in->b_frozen_data) {
jbd2_free(tmp, bh_in->b_size);
@@ -1518,9 +1512,10 @@ static int journal_load_superblock(journal_t *journal)
* destroy journal_t structures, and to initialise and read existing
* journal blocks from disk. */
-/* First: create and setup a journal_t object in memory. We initialise
- * very few fields yet: that has to wait until we have created the
- * journal structures from from scratch, or loaded them from disk. */
+/* The journal_init_common() function creates and fills a journal_t object
+ * in memory. It calls journal_load_superblock() to load the on-disk journal
+ * superblock and initialize the journal_t object.
+ */
static journal_t *journal_init_common(struct block_device *bdev,
struct block_device *fs_dev,