Some of these may overlap with what others suggested.
On Thu, Oct 26, 2006 at 07:59:42AM -0400, Holden Karau wrote:
...
> --- a/fs/fat/fatent.c 2006-09-19 23:42:06.000000000 -0400
> +++ b/fs/fat/fatent.c 2006-10-25 19:14:14.000000000 -0400
...
> -/* FIXME: We can write the blocks as more big chunk. */
> static int fat_mirror_bhs(struct super_block *sb, struct buffer_head **bhs,
> - int nr_bhs)
> + int nr_bhs ) {
> + return fat_mirror_bhs_optw(sb , bhs , nr_bhs, 0);
> +}
Coding style... (brackets and indentation)
> +static int fat_mirror_bhs_optw(struct super_block *sb, struct buffer_head **bhs,
> + int nr_bhs , int wait)
> {
> struct msdos_sb_info *sbi = MSDOS_SB(sb);
> - struct buffer_head *c_bh;
> + struct buffer_head *c_bh[nr_bhs];
> int err, n, copy;
>
> + /* Always wait if mounted -o sync */
> + if (sb->s_flags & MS_SYNCHRONOUS ) {
> + wait = 1;
> + }
Ditto (indentation).
> err = 0;
> + err = fat_sync_bhs_optw( bhs , nr_bhs , wait);
> + if (err)
> + goto error;
> for (copy = 1; copy < sbi->fats; copy++) {
> sector_t backup_fat = sbi->fat_length * copy;
> -
> for (n = 0; n < nr_bhs; n++) {
> - c_bh = sb_getblk(sb, backup_fat + bhs[n]->b_blocknr);
> - if (!c_bh) {
> + c_bh[n] = sb_getblk(sb, backup_fat + bhs[n]->b_blocknr);
> + if (!c_bh[n]) {
> err = -ENOMEM;
> goto error;
> }
> - memcpy(c_bh->b_data, bhs[n]->b_data, sb->s_blocksize);
> - set_buffer_uptodate(c_bh);
> - mark_buffer_dirty(c_bh);
> - if (sb->s_flags & MS_SYNCHRONOUS)
> - err = sync_dirty_buffer(c_bh);
> - brelse(c_bh);
> + set_buffer_uptodate(c_bh[n]);
> + mark_buffer_dirty(c_bh[n]);
> + memcpy(c_bh[n]->b_data, bhs[n]->b_data, sb->s_blocksize);
> + }
> + err = fat_sync_bhs_optw( c_bh , nr_bhs , wait );
> + for (n = 0; n < nr_bhs; n++ ) {
> + brelse(c_bh[n]);
> + }
> if (err)
> goto error;
> }
> - }
> error:
> return err;
> }
Ditto.
> @@ -505,9 +513,9 @@ out:
> fatent_brelse(&fatent);
> if (!err) {
> if (inode_needs_sync(inode))
> - err = fat_sync_bhs(bhs, nr_bhs);
> - if (!err)
> - err = fat_mirror_bhs(sb, bhs, nr_bhs);
> + err = fat_mirror_bhs_optw(sb , bhs, nr_bhs , 1);
> + else
> + err = fat_mirror_bhs_optw(sb, bhs, nr_bhs , 0 );
Ditto.
> --- a/fs/fat/misc.c 2006-09-19 23:42:06.000000000 -0400
> +++ b/fs/fat/misc.c 2006-10-25 18:54:27.000000000 -0400
> @@ -194,11 +194,17 @@ void fat_date_unix2dos(int unix_date, __
>
> EXPORT_SYMBOL_GPL(fat_date_unix2dos);
>
> -int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs)
> +
> +int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs ) {
> + return fat_sync_bhs_optw(bhs , nr_bhs , 1);
> +}
Indentation & bracket placement.
> +int fat_sync_bhs_optw(struct buffer_head **bhs, int nr_bhs ,int wait)
> {
> int i, err = 0;
>
> ll_rw_block(SWRITE, nr_bhs, bhs);
> + if (wait) {
> for (i = 0; i < nr_bhs; i++) {
> wait_on_buffer(bhs[i]);
> if (buffer_eopnotsupp(bhs[i])) {
> @@ -207,6 +213,7 @@ int fat_sync_bhs(struct buffer_head **bh
> } else if (!err && !buffer_uptodate(bhs[i]))
> err = -EIO;
> }
> + }
Indentation.
Josef "Jeff" Sipek.
--
Mankind invented the atomic bomb, but no mouse would ever construct a
mousetrap.
- Albert Einstein
-
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