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2003-10-22 Joel Sherrill <joel@OARcorp.com>

Browse Source 
PR 440/filesystem
	* src/dosfs/fat_fat_operations.c: Improve write speed with FAT12 and
	FAT16 filesystems. Previously merged on 4.6 branch.
This commit is contained in:
Joel Sherrill
2003-10-22 16:31:17 +00:00
parent ae1f2436d2
commit 897fe13f8c
2 changed files with 19 additions and 17 deletions
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6
cpukit/libfs/ChangeLog
View File

@@ -1,3 +1,9 @@
2003-10-22 Joel Sherrill <joel@OARcorp.com>
PR 440/filesystem
* src/dosfs/fat_fat_operations.c: Improve write speed with FAT12 and
FAT16 filesystems. Previously merged on 4.6 branch.
2003-10-22 Joel Sherrill <joel@OARcorp.com> 2003-10-22 Joel Sherrill <joel@OARcorp.com>
* ChangeLog: Correct line length. * ChangeLog: Correct line length.

30
cpukit/libfs/src/dosfs/fat_fat_operations.c
View File

@@ -63,9 +63,8 @@ fat_scan_fat_for_free_clusters(
if (count == 0) if (count == 0)
return rc; return rc;
/*if ((fs_info->vol.type & FAT_FAT32) && if ((fs_info->vol.type & FAT_FAT32) &&
(fs_info->vol.next_cl != FAT_UNDEFINED_VALUE))*/ (fs_info->vol.next_cl != FAT_UNDEFINED_VALUE))
if (fs_info->vol.next_cl != FAT_UNDEFINED_VALUE)
cl4find = fs_info->vol.next_cl; cl4find = fs_info->vol.next_cl;
/* /*
@@ -133,12 +132,12 @@ fat_scan_fat_for_free_clusters(
/* have we satisfied request ? */ /* have we satisfied request ? */
if (*cls_added == count) if (*cls_added == count)
{ {
/*if (fs_info->vol.type & FAT_FAT32) if (fs_info->vol.type & FAT_FAT32)
{*/ {
fs_info->vol.next_cl = save_cln; fs_info->vol.next_cl = save_cln;
if (fs_info->vol.free_cls != 0xFFFFFFFF) if (fs_info->vol.free_cls != 0xFFFFFFFF)
fs_info->vol.free_cls -= (*cls_added); fs_info->vol.free_cls -= (*cls_added);
/*}*/ }
*last_cl = save_cln; *last_cl = save_cln;
fat_buf_release(fs_info); fat_buf_release(fs_info);
return rc; return rc;
@@ -150,13 +149,12 @@ fat_scan_fat_for_free_clusters(
cl4find = 2; cl4find = 2;
} }
/*if (fs_info->vol.type & FAT_FAT32) if (fs_info->vol.type & FAT_FAT32)
{*/ {
fs_info->vol.next_cl = save_cln; fs_info->vol.next_cl = save_cln;
if (fs_info->vol.free_cls != 0xFFFFFFFF) if (fs_info->vol.free_cls != 0xFFFFFFFF)
fs_info->vol.free_cls -= (*cls_added); fs_info->vol.free_cls -= (*cls_added);
/*}*/ }
*last_cl = save_cln; *last_cl = save_cln;
fat_buf_release(fs_info); fat_buf_release(fs_info);
return RC_OK; return RC_OK;
@@ -189,11 +187,9 @@ fat_free_fat_clusters_chain(
rc = fat_get_fat_cluster(mt_entry, cur_cln, &next_cln); rc = fat_get_fat_cluster(mt_entry, cur_cln, &next_cln);
if ( rc != RC_OK ) if ( rc != RC_OK )
{ {
/*if ((fs_info->vol.type & FAT_FAT32) && if ((fs_info->vol.type & FAT_FAT32) &&
(fs_info->vol.free_cls != FAT_UNDEFINED_VALUE))*/ (fs_info->vol.free_cls != FAT_UNDEFINED_VALUE))
if(fs_info->vol.free_cls != FAT_UNDEFINED_VALUE)
fs_info->vol.free_cls += freed_cls_cnt; fs_info->vol.free_cls += freed_cls_cnt;
fat_buf_release(fs_info); fat_buf_release(fs_info);
return rc; return rc;
} }
@@ -206,12 +202,12 @@ fat_free_fat_clusters_chain(
cur_cln = next_cln; cur_cln = next_cln;
} }
/*if (fs_info->vol.type & FAT_FAT32) if (fs_info->vol.type & FAT_FAT32)
{*/ {
fs_info->vol.next_cl = chain; fs_info->vol.next_cl = chain;
if (fs_info->vol.free_cls != FAT_UNDEFINED_VALUE) if (fs_info->vol.free_cls != FAT_UNDEFINED_VALUE)
fs_info->vol.free_cls += freed_cls_cnt; fs_info->vol.free_cls += freed_cls_cnt;
/*}*/ }
fat_buf_release(fs_info); fat_buf_release(fs_info);
if (rc1 != RC_OK) if (rc1 != RC_OK)