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Subject[PATCH 11/37] Re: [2.6-BK-URL] NTFS: 2.1.21 - Big update with race/bug fixes
This is patch 11/37 in the series.  It contains the following ChangeSet:

<aia21@cantab.net> (04/10/01 1.2011.1.1)
NTFS: Remove unnecessary casts from LCN_* constants.

Signed-off-by: Anton Altaparmakov <aia21@cantab.net>

Best regards,

Anton
--
Anton Altaparmakov <aia21 at cam.ac.uk> (replace at with @)
Unix Support, Computing Service, University of Cambridge, CB2 3QH, UK
Linux NTFS maintainer / IRC: #ntfs on irc.freenode.net
WWW: http://linux-ntfs.sf.net/, http://www-stu.christs.cam.ac.uk/~aia21/

===================================================================
diff -Nru a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog
--- a/fs/ntfs/ChangeLog 2004-10-19 10:13:45 +01:00
+++ b/fs/ntfs/ChangeLog 2004-10-19 10:13:45 +01:00
@@ -43,6 +43,7 @@
- Implement the equivalent of memset() for an ntfs attribute in
fs/ntfs/attrib.[hc]::ntfs_attr_set() and switch
fs/ntfs/logfile.c::ntfs_empty_logfile() to using it.
+ - Remove unnecessary casts from LCN_* constants.

2.1.19 - Many cleanups, improvements, and a minor bug fix.

diff -Nru a/fs/ntfs/aops.c b/fs/ntfs/aops.c
--- a/fs/ntfs/aops.c 2004-10-19 10:13:45 +01:00
+++ b/fs/ntfs/aops.c 2004-10-19 10:13:45 +01:00
@@ -234,7 +234,7 @@
rl++;
lcn = ntfs_rl_vcn_to_lcn(rl, vcn);
} else
- lcn = (LCN)LCN_RL_NOT_MAPPED;
+ lcn = LCN_RL_NOT_MAPPED;
/* Successful remap. */
if (lcn >= 0) {
/* Setup buffer head to correct block. */
@@ -639,7 +639,7 @@
rl++;
lcn = ntfs_rl_vcn_to_lcn(rl, vcn);
} else
- lcn = (LCN)LCN_RL_NOT_MAPPED;
+ lcn = LCN_RL_NOT_MAPPED;
/* Successful remap. */
if (lcn >= 0) {
/* Setup buffer head to point to correct block. */
@@ -1404,7 +1404,7 @@
rl++;
lcn = ntfs_rl_vcn_to_lcn(rl, vcn);
} else
- lcn = (LCN)LCN_RL_NOT_MAPPED;
+ lcn = LCN_RL_NOT_MAPPED;
if (unlikely(lcn < 0)) {
/*
* We extended the attribute allocation above.
diff -Nru a/fs/ntfs/attrib.c b/fs/ntfs/attrib.c
--- a/fs/ntfs/attrib.c 2004-10-19 10:13:45 +01:00
+++ b/fs/ntfs/attrib.c 2004-10-19 10:13:45 +01:00
@@ -140,7 +140,7 @@
if (likely(rl && vcn >= rl[0].vcn)) {
while (likely(rl->length)) {
if (likely(vcn < rl[1].vcn)) {
- if (likely(rl->lcn >= (LCN)LCN_HOLE)) {
+ if (likely(rl->lcn >= LCN_HOLE)) {
ntfs_debug("Done.");
return rl;
}
@@ -148,8 +148,8 @@
}
rl++;
}
- if (likely(rl->lcn != (LCN)LCN_RL_NOT_MAPPED)) {
- if (likely(rl->lcn == (LCN)LCN_ENOENT))
+ if (likely(rl->lcn != LCN_RL_NOT_MAPPED)) {
+ if (likely(rl->lcn == LCN_ENOENT))
err = -ENOENT;
else
err = -EIO;
diff -Nru a/fs/ntfs/compress.c b/fs/ntfs/compress.c
--- a/fs/ntfs/compress.c 2004-10-19 10:13:45 +01:00
+++ b/fs/ntfs/compress.c 2004-10-19 10:13:45 +01:00
@@ -602,7 +602,7 @@
rl++;
lcn = ntfs_rl_vcn_to_lcn(rl, vcn);
} else
- lcn = (LCN)LCN_RL_NOT_MAPPED;
+ lcn = LCN_RL_NOT_MAPPED;
ntfs_debug("Reading vcn = 0x%llx, lcn = 0x%llx.",
(unsigned long long)vcn,
(unsigned long long)lcn);
diff -Nru a/fs/ntfs/lcnalloc.c b/fs/ntfs/lcnalloc.c
--- a/fs/ntfs/lcnalloc.c 2004-10-19 10:13:45 +01:00
+++ b/fs/ntfs/lcnalloc.c 2004-10-19 10:13:45 +01:00
@@ -855,7 +855,7 @@
err = PTR_ERR(rl);
goto err_out;
}
- if (unlikely(rl->lcn < (LCN)LCN_HOLE)) {
+ if (unlikely(rl->lcn < LCN_HOLE)) {
if (!is_rollback)
ntfs_error(vol->sb, "First runlist element has "
"invalid lcn, aborting.");
@@ -895,7 +895,7 @@
* free them.
*/
for (; rl->length && count != 0; ++rl) {
- if (unlikely(rl->lcn < (LCN)LCN_HOLE)) {
+ if (unlikely(rl->lcn < LCN_HOLE)) {
VCN vcn;

/*
@@ -926,7 +926,7 @@
"element.");
goto err_out;
}
- if (unlikely(rl->lcn < (LCN)LCN_HOLE)) {
+ if (unlikely(rl->lcn < LCN_HOLE)) {
if (!is_rollback)
ntfs_error(vol->sb, "Runlist element "
"has invalid lcn "
diff -Nru a/fs/ntfs/runlist.c b/fs/ntfs/runlist.c
--- a/fs/ntfs/runlist.c 2004-10-19 10:13:45 +01:00
+++ b/fs/ntfs/runlist.c 2004-10-19 10:13:45 +01:00
@@ -530,7 +530,7 @@
si = di = 0;

/* Skip any unmapped start element(s) in the source runlist. */
- while (srl[si].length && srl[si].lcn < (LCN)LCN_HOLE)
+ while (srl[si].length && srl[si].lcn < LCN_HOLE)
si++;

/* Can't have an entirely unmapped source runlist. */
@@ -563,7 +563,7 @@
for (dend = di; drl[dend].length; dend++)
;

- if (srl[send].lcn == (LCN)LCN_ENOENT)
+ if (srl[send].lcn == LCN_ENOENT)
marker_vcn = srl[marker = send].vcn;

/* Scan to the last element with lcn >= LCN_HOLE. */
@@ -624,7 +624,7 @@
"with LCN_ENOENT.",
(unsigned long long)
drl[ds].lcn);
- drl[ds].lcn = (LCN)LCN_ENOENT;
+ drl[ds].lcn = LCN_ENOENT;
goto finished;
}
/*
@@ -632,11 +632,11 @@
* @drl or extend an existing one before adding the
* ENOENT terminator.
*/
- if (drl[ds].lcn == (LCN)LCN_ENOENT) {
+ if (drl[ds].lcn == LCN_ENOENT) {
ds--;
slots = 1;
}
- if (drl[ds].lcn != (LCN)LCN_RL_NOT_MAPPED) {
+ if (drl[ds].lcn != LCN_RL_NOT_MAPPED) {
/* Add an unmapped runlist element. */
if (!slots) {
/* FIXME/TODO: We need to have the
@@ -651,7 +651,7 @@
if (slots != 1)
drl[ds].vcn = drl[ds - 1].vcn +
drl[ds - 1].length;
- drl[ds].lcn = (LCN)LCN_RL_NOT_MAPPED;
+ drl[ds].lcn = LCN_RL_NOT_MAPPED;
/* We now used up a slot. */
slots--;
}
@@ -666,7 +666,7 @@
goto critical_error;
}
drl[ds].vcn = marker_vcn;
- drl[ds].lcn = (LCN)LCN_ENOENT;
+ drl[ds].lcn = LCN_ENOENT;
drl[ds].length = (s64)0;
}
}
@@ -753,8 +753,8 @@
return ERR_PTR(-ENOMEM);
/* Insert unmapped starting element if necessary. */
if (vcn) {
- rl->vcn = (VCN)0;
- rl->lcn = (LCN)LCN_RL_NOT_MAPPED;
+ rl->vcn = 0;
+ rl->lcn = LCN_RL_NOT_MAPPED;
rl->length = vcn;
rlpos++;
}
@@ -819,7 +819,7 @@
* to LCN_HOLE.
*/
if (!(*buf & 0xf0))
- rl[rlpos].lcn = (LCN)LCN_HOLE;
+ rl[rlpos].lcn = LCN_HOLE;
else {
/* Get the lcn change which really can be negative. */
u8 b2 = *buf & 0xf;
@@ -892,7 +892,7 @@
(unsigned long long)max_cluster);
rl[rlpos].vcn = vcn;
vcn += rl[rlpos].length = max_cluster - deltaxcn;
- rl[rlpos].lcn = (LCN)LCN_RL_NOT_MAPPED;
+ rl[rlpos].lcn = LCN_RL_NOT_MAPPED;
rlpos++;
} else if (unlikely(deltaxcn > max_cluster)) {
ntfs_error(vol->sb, "Corrupt attribute. deltaxcn = "
@@ -901,9 +901,9 @@
(unsigned long long)max_cluster);
goto mpa_err;
}
- rl[rlpos].lcn = (LCN)LCN_ENOENT;
+ rl[rlpos].lcn = LCN_ENOENT;
} else /* Not the base extent. There may be more extents to follow. */
- rl[rlpos].lcn = (LCN)LCN_RL_NOT_MAPPED;
+ rl[rlpos].lcn = LCN_RL_NOT_MAPPED;

/* Setup terminating runlist element. */
rl[rlpos].vcn = vcn;
@@ -962,11 +962,11 @@
* necessary.
*/
if (unlikely(!rl))
- return (LCN)LCN_RL_NOT_MAPPED;
+ return LCN_RL_NOT_MAPPED;

/* Catch out of lower bounds vcn. */
if (unlikely(vcn < rl[0].vcn))
- return (LCN)LCN_ENOENT;
+ return LCN_ENOENT;

for (i = 0; likely(rl[i].length); i++) {
if (unlikely(vcn < rl[i+1].vcn)) {
@@ -982,7 +982,7 @@
if (likely(rl[i].lcn < (LCN)0))
return rl[i].lcn;
/* Just in case... We could replace this with BUG() some day. */
- return (LCN)LCN_ENOENT;
+ return LCN_ENOENT;
}

/**
-
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