Andrew Morton <[EMAIL PROTECTED]> writes:
>> +/* 128kb is the whole sectors for FAT12 and FAT16 */
>> +#define FAT_READA_SIZE (128 * 1024)
>> +
>> +static void fat_ent_reada(struct super_block *sb, struct fat_entry *fatent,
>> + unsigned long reada_blocks)
>> +{
On Mon, 05 Nov 2007 07:09:00 +0900
OGAWA Hirofumi <[EMAIL PROTECTED]> wrote:
> On large partition, scanning the free clusters is very slow if users
> doesn't use "usefree" option.
>
> For optimizing it, this patch uses sb_breadahead() to read of FAT
> sectors. On some user's 15GB partition, this
On Mon, 05 Nov 2007 07:09:00 +0900
OGAWA Hirofumi [EMAIL PROTECTED] wrote:
On large partition, scanning the free clusters is very slow if users
doesn't use usefree option.
For optimizing it, this patch uses sb_breadahead() to read of FAT
sectors. On some user's 15GB partition, this patch
Andrew Morton [EMAIL PROTECTED] writes:
+/* 128kb is the whole sectors for FAT12 and FAT16 */
+#define FAT_READA_SIZE (128 * 1024)
+
+static void fat_ent_reada(struct super_block *sb, struct fat_entry *fatent,
+ unsigned long reada_blocks)
+{
+struct
On large partition, scanning the free clusters is very slow if users
doesn't use "usefree" option.
For optimizing it, this patch uses sb_breadahead() to read of FAT
sectors. On some user's 15GB partition, this patch improved it very
much (1min => 600ms).
The following is the result of 2GB
On large partition, scanning the free clusters is very slow if users
doesn't use usefree option.
For optimizing it, this patch uses sb_breadahead() to read of FAT
sectors. On some user's 15GB partition, this patch improved it very
much (1min = 600ms).
The following is the result of 2GB partition
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