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Important FAT fix. Bad test would cause many un-necessary writes to FLASH.

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@5102 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
2012-09-06 14:46:08 +00:00
parent 8925923a5d
commit 7a9e9d3833
2 changed files with 5 additions and 1 deletions
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nuttx/ChangeLog
+4
View File
@@ -3267,4 +3267,8 @@
* Kconfig: Verify configuration settings for the STM32. This include
changes in the way that the external SRAM is configured: Define
CONFIG_HEAP2_SIZE (decimal) instead of CONFIG_HEAP2_END (hex).
* tools/configure.sh: Don't append the apps directory path setting
if the correct setting is already in defined in the defconfig file.
* fs/fat/fs_utils.c: Improper constructed bool expression. This
would cause many unnecessary writes to FLASH (Thanks Ronen Vainish).
nuttx/fs/fat/fs_fat32util.c
+1 -1
View File
@@ -1563,7 +1563,7 @@ int fat_ffcacheflush(struct fat_mountpt_s *fs, struct fat_file_s *ff)
*/
if (ff->ff_cachesector &&
ff->ff_bflags && (FFBUFF_DIRTY|FFBUFF_VALID) == (FFBUFF_DIRTY|FFBUFF_VALID))
(ff->ff_bflags & (FFBUFF_DIRTY|FFBUFF_VALID)) == (FFBUFF_DIRTY|FFBUFF_VALID))
{
/* Write the dirty sector */