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| author |   Len Brown <len.brown@intel.com> | 2009-04-05 02:14:15 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-04-05 02:14:15 -0400 |
| commit | 478c6a43fcbc6c11609f8cee7c7b57223907754f (patch) | |
| tree | a7f7952099da60d33032aed6de9c0c56c9f8779e /fs/jbd/commit.c | |
| parent | Merge branch 'misc' into release (diff) | |
| parent | Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip (diff) | |
| download | linux-dev-478c6a43fcbc6c11609f8cee7c7b57223907754f.tar.xz linux-dev-478c6a43fcbc6c11609f8cee7c7b57223907754f.zip | |
Merge branch 'linus' into release
Conflicts:
arch/x86/kernel/cpu/cpufreq/longhaul.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'fs/jbd/commit.c')
| -rw-r--r-- | fs/jbd/commit.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c index 3fbffb1ea714..f8077b9c8981 100644 --- a/fs/jbd/commit.c +++ b/fs/jbd/commit.c @@ -20,6 +20,7 @@ #include <linux/slab.h> #include <linux/mm.h> #include <linux/pagemap.h> +#include <linux/bio.h> /* * Default IO end handler for temporary BJ_IO buffer_heads. @@ -171,14 +172,15 @@ static int journal_write_commit_record(journal_t *journal, return (ret == -EIO); } -static void journal_do_submit_data(struct buffer_head **wbuf, int bufs) +static void journal_do_submit_data(struct buffer_head **wbuf, int bufs, + int write_op) { int i; for (i = 0; i < bufs; i++) { wbuf[i]->b_end_io = end_buffer_write_sync; /* We use-up our safety reference in submit_bh() */ - submit_bh(WRITE, wbuf[i]); + submit_bh(write_op, wbuf[i]); } } @@ -186,7 +188,8 @@ static void journal_do_submit_data(struct buffer_head **wbuf, int bufs) * Submit all the data buffers to disk */ static int journal_submit_data_buffers(journal_t *journal, - transaction_t *commit_transaction) + transaction_t *commit_transaction, + int write_op) { struct journal_head *jh; struct buffer_head *bh; @@ -225,7 +228,7 @@ write_out_data: BUFFER_TRACE(bh, "needs blocking lock"); spin_unlock(&journal->j_list_lock); /* Write out all data to prevent deadlocks */ - journal_do_submit_data(wbuf, bufs); + journal_do_submit_data(wbuf, bufs, write_op); bufs = 0; lock_buffer(bh); spin_lock(&journal->j_list_lock); @@ -256,7 +259,7 @@ write_out_data: jbd_unlock_bh_state(bh); if (bufs == journal->j_wbufsize) { spin_unlock(&journal->j_list_lock); - journal_do_submit_data(wbuf, bufs); + journal_do_submit_data(wbuf, bufs, write_op); bufs = 0; goto write_out_data; } @@ -286,7 +289,7 @@ write_out_data: } } spin_unlock(&journal->j_list_lock); - journal_do_submit_data(wbuf, bufs); + journal_do_submit_data(wbuf, bufs, write_op); return err; } @@ -315,6 +318,7 @@ void journal_commit_transaction(journal_t *journal) int first_tag = 0; int tag_flag; int i; + int write_op = WRITE; /* * First job: lock down the current transaction and wait for @@ -347,6 +351,8 @@ void journal_commit_transaction(journal_t *journal) spin_lock(&journal->j_state_lock); commit_transaction->t_state = T_LOCKED; + if (commit_transaction->t_synchronous_commit) + write_op = WRITE_SYNC; spin_lock(&commit_transaction->t_handle_lock); while (commit_transaction->t_updates) { DEFINE_WAIT(wait); @@ -431,7 +437,8 @@ void journal_commit_transaction(journal_t *journal) * Now start flushing things to disk, in the order they appear * on the transaction lists. Data blocks go first. */ - err = journal_submit_data_buffers(journal, commit_transaction); + err = journal_submit_data_buffers(journal, commit_transaction, + write_op); /* * Wait for all previously submitted IO to complete. @@ -660,7 +667,7 @@ start_journal_io: clear_buffer_dirty(bh); set_buffer_uptodate(bh); bh->b_end_io = journal_end_buffer_io_sync; - submit_bh(WRITE, bh); + submit_bh(write_op, bh); } cond_resched(); |