diff options
Diffstat (limited to 'fs/reiserfs')
| -rw-r--r-- | fs/reiserfs/file.c | 3 | ||||
| -rw-r--r-- | fs/reiserfs/inode.c | 1 | ||||
| -rw-r--r-- | fs/reiserfs/ioctl.c | 7 | ||||
| -rw-r--r-- | fs/reiserfs/journal.c | 109 |
4 files changed, 27 insertions, 93 deletions
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c index 6846371..91f080c 100644 --- a/fs/reiserfs/file.c +++ b/fs/reiserfs/file.c @@ -152,8 +152,7 @@ static int reiserfs_sync_file(struct file *filp, int datasync) barrier_done = reiserfs_commit_for_inode(inode); reiserfs_write_unlock(inode->i_sb); if (barrier_done != 1 && reiserfs_barrier_flush(inode->i_sb)) - blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL, - BLKDEV_IFL_WAIT); + blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL); if (barrier_done < 0) return barrier_done; return (err < 0) ? -EIO : 0; diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index ae35413..caa7583 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -83,6 +83,7 @@ void reiserfs_evict_inode(struct inode *inode) dquot_drop(inode); inode->i_blocks = 0; reiserfs_write_unlock_once(inode->i_sb, depth); + return; no_delete: end_writeback(inode); diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c index f53505d..5cbb81e 100644 --- a/fs/reiserfs/ioctl.c +++ b/fs/reiserfs/ioctl.c @@ -170,6 +170,7 @@ int reiserfs_prepare_write(struct file *f, struct page *page, int reiserfs_unpack(struct inode *inode, struct file *filp) { int retval = 0; + int depth; int index; struct page *page; struct address_space *mapping; @@ -188,8 +189,8 @@ int reiserfs_unpack(struct inode *inode, struct file *filp) /* we need to make sure nobody is changing the file size beneath ** us */ - mutex_lock(&inode->i_mutex); - reiserfs_write_lock(inode->i_sb); + reiserfs_mutex_lock_safe(&inode->i_mutex, inode->i_sb); + depth = reiserfs_write_lock_once(inode->i_sb); write_from = inode->i_size & (blocksize - 1); /* if we are on a block boundary, we are already unpacked. */ @@ -224,6 +225,6 @@ int reiserfs_unpack(struct inode *inode, struct file *filp) out: mutex_unlock(&inode->i_mutex); - reiserfs_write_unlock(inode->i_sb); + reiserfs_write_unlock_once(inode->i_sb, depth); return retval; } diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 19fbc81..076c8b1 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -138,13 +138,6 @@ static int reiserfs_clean_and_file_buffer(struct buffer_head *bh) return 0; } -static void disable_barrier(struct super_block *s) -{ - REISERFS_SB(s)->s_mount_opt &= ~(1 << REISERFS_BARRIER_FLUSH); - printk("reiserfs: disabling flush barriers on %s\n", - reiserfs_bdevname(s)); -} - static struct reiserfs_bitmap_node *allocate_bitmap_node(struct super_block *sb) { @@ -677,30 +670,6 @@ static void submit_ordered_buffer(struct buffer_head *bh) submit_bh(WRITE, bh); } -static int submit_barrier_buffer(struct buffer_head *bh) -{ - get_bh(bh); - bh->b_end_io = reiserfs_end_ordered_io; - clear_buffer_dirty(bh); - if (!buffer_uptodate(bh)) - BUG(); - return submit_bh(WRITE_BARRIER, bh); -} - -static void check_barrier_completion(struct super_block *s, - struct buffer_head *bh) -{ - if (buffer_eopnotsupp(bh)) { - clear_buffer_eopnotsupp(bh); - disable_barrier(s); - set_buffer_uptodate(bh); - set_buffer_dirty(bh); - reiserfs_write_unlock(s); - sync_dirty_buffer(bh); - reiserfs_write_lock(s); - } -} - #define CHUNK_SIZE 32 struct buffer_chunk { struct buffer_head *bh[CHUNK_SIZE]; @@ -983,7 +952,6 @@ static int flush_older_commits(struct super_block *s, static int reiserfs_async_progress_wait(struct super_block *s) { - DEFINE_WAIT(wait); struct reiserfs_journal *j = SB_JOURNAL(s); if (atomic_read(&j->j_async_throttle)) { @@ -1010,7 +978,6 @@ static int flush_commit_list(struct super_block *s, struct buffer_head *tbh = NULL; unsigned int trans_id = jl->j_trans_id; struct reiserfs_journal *journal = SB_JOURNAL(s); - int barrier = 0; int retval = 0; int write_len; @@ -1095,24 +1062,6 @@ static int flush_commit_list(struct super_block *s, } atomic_dec(&journal->j_async_throttle); - /* We're skipping the commit if there's an error */ - if (retval || reiserfs_is_journal_aborted(journal)) - barrier = 0; - - /* wait on everything written so far before writing the commit - * if we are in barrier mode, send the commit down now - */ - barrier = reiserfs_barrier_flush(s); - if (barrier) { - int ret; - lock_buffer(jl->j_commit_bh); - ret = submit_barrier_buffer(jl->j_commit_bh); - if (ret == -EOPNOTSUPP) { - set_buffer_uptodate(jl->j_commit_bh); - disable_barrier(s); - barrier = 0; - } - } for (i = 0; i < (jl->j_len + 1); i++) { bn = SB_ONDISK_JOURNAL_1st_BLOCK(s) + (jl->j_start + i) % SB_ONDISK_JOURNAL_SIZE(s); @@ -1144,27 +1093,22 @@ static int flush_commit_list(struct super_block *s, BUG_ON(atomic_read(&(jl->j_commit_left)) != 1); - if (!barrier) { - /* If there was a write error in the journal - we can't commit - * this transaction - it will be invalid and, if successful, - * will just end up propagating the write error out to - * the file system. */ - if (likely(!retval && !reiserfs_is_journal_aborted (journal))) { - if (buffer_dirty(jl->j_commit_bh)) - BUG(); - mark_buffer_dirty(jl->j_commit_bh) ; - reiserfs_write_unlock(s); - sync_dirty_buffer(jl->j_commit_bh) ; - reiserfs_write_lock(s); - } - } else { + /* If there was a write error in the journal - we can't commit + * this transaction - it will be invalid and, if successful, + * will just end up propagating the write error out to + * the file system. */ + if (likely(!retval && !reiserfs_is_journal_aborted (journal))) { + if (buffer_dirty(jl->j_commit_bh)) + BUG(); + mark_buffer_dirty(jl->j_commit_bh) ; reiserfs_write_unlock(s); - wait_on_buffer(jl->j_commit_bh); + if (reiserfs_barrier_flush(s)) + __sync_dirty_buffer(jl->j_commit_bh, WRITE_FLUSH_FUA); + else + sync_dirty_buffer(jl->j_commit_bh); reiserfs_write_lock(s); } - check_barrier_completion(s, jl->j_commit_bh); - /* If there was a write error in the journal - we can't commit this * transaction - it will be invalid and, if successful, will just end * up propagating the write error out to the filesystem. */ @@ -1320,26 +1264,15 @@ static int _update_journal_header_block(struct super_block *sb, jh->j_first_unflushed_offset = cpu_to_le32(offset); jh->j_mount_id = cpu_to_le32(journal->j_mount_id); - if (reiserfs_barrier_flush(sb)) { - int ret; - lock_buffer(journal->j_header_bh); - ret = submit_barrier_buffer(journal->j_header_bh); - if (ret == -EOPNOTSUPP) { - set_buffer_uptodate(journal->j_header_bh); - disable_barrier(sb); - goto sync; - } - reiserfs_write_unlock(sb); - wait_on_buffer(journal->j_header_bh); - reiserfs_write_lock(sb); - check_barrier_completion(sb, journal->j_header_bh); - } else { - sync: - set_buffer_dirty(journal->j_header_bh); - reiserfs_write_unlock(sb); + set_buffer_dirty(journal->j_header_bh); + reiserfs_write_unlock(sb); + + if (reiserfs_barrier_flush(sb)) + __sync_dirty_buffer(journal->j_header_bh, WRITE_FLUSH_FUA); + else sync_dirty_buffer(journal->j_header_bh); - reiserfs_write_lock(sb); - } + + reiserfs_write_lock(sb); if (!buffer_uptodate(journal->j_header_bh)) { reiserfs_warning(sb, "journal-837", "IO error during journal replay"); @@ -2312,7 +2245,7 @@ static int journal_read_transaction(struct super_block *sb, /* flush out the real blocks */ for (i = 0; i < get_desc_trans_len(desc); i++) { set_buffer_dirty(real_blocks[i]); - ll_rw_block(SWRITE, 1, real_blocks + i); + write_dirty_buffer(real_blocks[i], WRITE); } for (i = 0; i < get_desc_trans_len(desc); i++) { wait_on_buffer(real_blocks[i]); |