diff options
Diffstat (limited to 'fs/jbd/commit.c')
-rw-r--r-- | fs/jbd/commit.c | 30 |
1 files changed, 3 insertions, 27 deletions
diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c index 3f030e9efea6..85a6883c0aca 100644 --- a/fs/jbd/commit.c +++ b/fs/jbd/commit.c | |||
@@ -137,34 +137,10 @@ static int journal_write_commit_record(journal_t *journal, | |||
137 | JBUFFER_TRACE(descriptor, "write commit block"); | 137 | JBUFFER_TRACE(descriptor, "write commit block"); |
138 | set_buffer_dirty(bh); | 138 | set_buffer_dirty(bh); |
139 | 139 | ||
140 | if (journal->j_flags & JFS_BARRIER) { | 140 | if (journal->j_flags & JFS_BARRIER) |
141 | ret = __sync_dirty_buffer(bh, WRITE_SYNC | WRITE_BARRIER); | 141 | ret = __sync_dirty_buffer(bh, WRITE_SYNC | WRITE_FLUSH_FUA); |
142 | 142 | else | |
143 | /* | ||
144 | * Is it possible for another commit to fail at roughly | ||
145 | * the same time as this one? If so, we don't want to | ||
146 | * trust the barrier flag in the super, but instead want | ||
147 | * to remember if we sent a barrier request | ||
148 | */ | ||
149 | if (ret == -EOPNOTSUPP) { | ||
150 | char b[BDEVNAME_SIZE]; | ||
151 | |||
152 | printk(KERN_WARNING | ||
153 | "JBD: barrier-based sync failed on %s - " | ||
154 | "disabling barriers\n", | ||
155 | bdevname(journal->j_dev, b)); | ||
156 | spin_lock(&journal->j_state_lock); | ||
157 | journal->j_flags &= ~JFS_BARRIER; | ||
158 | spin_unlock(&journal->j_state_lock); | ||
159 | |||
160 | /* And try again, without the barrier */ | ||
161 | set_buffer_uptodate(bh); | ||
162 | set_buffer_dirty(bh); | ||
163 | ret = sync_dirty_buffer(bh); | ||
164 | } | ||
165 | } else { | ||
166 | ret = sync_dirty_buffer(bh); | 143 | ret = sync_dirty_buffer(bh); |
167 | } | ||
168 | 144 | ||
169 | put_bh(bh); /* One for getblk() */ | 145 | put_bh(bh); /* One for getblk() */ |
170 | journal_put_journal_head(descriptor); | 146 | journal_put_journal_head(descriptor); |