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R0.13b patch 2

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Jul 8, 2018

Creating a sub-directory in the fragmented sub-directory on the exFAT volume collapses FAT chain
of the parent directory. This problem was reported at the User Forum.
This commit is contained in:
Christopher Williams
2018-07-24 17:49:02 -07:00
parent d5cd09ebf7
commit f7aa9edafc
1 changed files with 5 additions and 5 deletions
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source/ff.c
+5 -5
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@@ -4841,6 +4841,7 @@ FRESULT f_mkdir (
{ {
FRESULT res; FRESULT res;
DIR dj; DIR dj;
FFOBJID sobj;
FATFS *fs; FATFS *fs;
BYTE *dir; BYTE *dir;
DWORD dcl, pcl, tm; DWORD dcl, pcl, tm;
@@ -4858,13 +4859,12 @@ FRESULT f_mkdir (
res = FR_INVALID_NAME; res = FR_INVALID_NAME;
} }
if (res == FR_NO_FILE) { /* Can create a new directory */ if (res == FR_NO_FILE) { /* Can create a new directory */
dcl = create_chain(&dj.obj, 0); /* Allocate a cluster for the new directory table */ sobj.fs = fs; /* New object id to create a new chain */
dj.obj.objsize = (DWORD)fs->csize * SS(fs); dcl = create_chain(&sobj, 0); /* Allocate a cluster for the new directory */
res = FR_OK; res = FR_OK;
if (dcl == 0) res = FR_DENIED; /* No space to allocate a new cluster */ if (dcl == 0) res = FR_DENIED; /* No space to allocate a new cluster */
if (dcl == 1) res = FR_INT_ERR; if (dcl == 1) res = FR_INT_ERR;
if (dcl == 0xFFFFFFFF) res = FR_DISK_ERR; if (dcl == 0xFFFFFFFF) res = FR_DISK_ERR;
if (res == FR_OK) res = sync_window(fs); /* Flush FAT */
tm = GET_FATTIME(); tm = GET_FATTIME();
if (res == FR_OK) { /* Initialize the new directory table */ if (res == FR_OK) { /* Initialize the new directory table */
res = dir_clear(fs, dcl); /* Clean up the new table */ res = dir_clear(fs, dcl); /* Clean up the new table */
@@ -4889,8 +4889,8 @@ FRESULT f_mkdir (
if (fs->fs_type == FS_EXFAT) { /* Initialize directory entry block */ if (fs->fs_type == FS_EXFAT) { /* Initialize directory entry block */
st_dword(fs->dirbuf + XDIR_ModTime, tm); /* Created time */ st_dword(fs->dirbuf + XDIR_ModTime, tm); /* Created time */
st_dword(fs->dirbuf + XDIR_FstClus, dcl); /* Table start cluster */ st_dword(fs->dirbuf + XDIR_FstClus, dcl); /* Table start cluster */
st_dword(fs->dirbuf + XDIR_FileSize, (DWORD)dj.obj.objsize); /* File size needs to be valid */ st_dword(fs->dirbuf + XDIR_FileSize, (DWORD)fs->csize * SS(fs)); /* File size needs to be valid */
st_dword(fs->dirbuf + XDIR_ValidFileSize, (DWORD)dj.obj.objsize); st_dword(fs->dirbuf + XDIR_ValidFileSize, (DWORD)fs->csize * SS(fs));
fs->dirbuf[XDIR_GenFlags] = 3; /* Initialize the object flag */ fs->dirbuf[XDIR_GenFlags] = 3; /* Initialize the object flag */
fs->dirbuf[XDIR_Attr] = AM_DIR; /* Attribute */ fs->dirbuf[XDIR_Attr] = AM_DIR; /* Attribute */
res = store_xdir(&dj); res = store_xdir(&dj);