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[VFATLIB]

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It seems suspicious to directly return the value of fs_close as the NTSTATUS code of the check-disk operation (for FAT32 volumes it happens to return 1 whereas for FAT16 volumes it returns 0).
The documentation of this function says that it "returns a non-zero integer if the file system has been changed since the last fs_open, zero otherwise."
Maybe somebody has a more precise idea on that subject? In the meantime I also add some DPRINTs to attempt to diagnose the conditions where this problem occurs.

svn path=/trunk/; revision=70434
This commit is contained in:
Hermès Bélusca-Maïto 2015-12-27 02:01:52 +00:00
parent c266fd3fb0
commit ed1b816943
1 changed files with 13 additions and 2 deletions
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15
reactos/lib/fslib/vfatlib/vfatlib.c
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@ -351,6 +351,7 @@ VfatChkdsk(IN PUNICODE_STRING DriveRoot,
BOOLEAN salvage_files;
ULONG free_clusters;
DOS_FS fs;
int ret;
/* Store callback pointer */
ChkdskCallback = Callback;
@ -372,7 +373,11 @@ VfatChkdsk(IN PUNICODE_STRING DriveRoot,
if (CheckOnlyIfDirty && !fs_isdirty())
{
/* No need to check FS */
return fs_close(FALSE);
// NOTE: Returning the value of fs_close looks suspicious.
// return fs_close(FALSE);
ret = fs_close(FALSE);
DPRINT1("No need to check FS; fs_close returning %d\n", ret);
return STATUS_SUCCESS;
}
read_boot(&fs);
@ -404,6 +409,8 @@ VfatChkdsk(IN PUNICODE_STRING DriveRoot,
if (fs_changed())
{
DPRINT1("fs_changed is TRUE!\n");
if (FixErrors)
{
if (FsCheckFlags & FSCHECK_INTERACTIVE)
@ -430,7 +437,11 @@ VfatChkdsk(IN PUNICODE_STRING DriveRoot,
}
/* Close the volume */
return fs_close(FixErrors) ? STATUS_SUCCESS : STATUS_UNSUCCESSFUL;
// NOTE: Returning the value of fs_close looks suspicious.
// return fs_close(FixErrors) ? STATUS_SUCCESS : STATUS_UNSUCCESSFUL;
res = fs_close(FixErrors);
DPRINT1("fs_close returning %d\n", ret);
return STATUS_SUCCESS;
}
/* EOF */