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Add support for umount2(target, MNT_FORCE) in the FAT file system.

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This commit is contained in:
Gregory Nutt
2015-03-15 07:45:19 -06:00
parent 43936a6a69
commit 9f7f258728
4 changed files with 274 additions and 256 deletions
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fs/fat/fs_fat32.c
+266 -186
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fs/fat/fs_fat32.h
+6 -2
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@@ -271,12 +271,16 @@
#define FSTYPE_FAT16 1
#define FSTYPE_FAT32 2
/* File buffer flags */
/* File buffer flags (ff_bflags) */
#define FFBUFF_VALID 1
#define FFBUFF_DIRTY 2
#define FFBUFF_MODIFIED 4
/* Mount status flags (ff_bflags) */
#define UMOUNT_FORCED 8
/****************************************************************************
* These offset describe the FSINFO sector
*/
@@ -753,7 +757,7 @@ struct fat_mountpt_s
struct fat_file_s
{
struct fat_file_s *ff_next; /* Retained in a singly linked list */
uint8_t ff_bflags; /* The file buffer flags */
uint8_t ff_bflags; /* The file buffer/mount flags */
uint8_t ff_oflags; /* Flags provided when file was opened */
uint8_t ff_sectorsincluster; /* Sectors remaining in cluster */
uint16_t ff_dirindex; /* Index into ff_dirsector to directory entry */