2008-02-14 00:50:56

by Andrew Morton

[permalink] [raw]
Subject: + jbd2-sparse-warnings-in-revokec-journalc.patch added to -mm tree


The patch titled
jbd2: sparse warnings in revoke.c, journal.c
has been added to the -mm tree. Its filename is
jbd2-sparse-warnings-in-revokec-journalc.patch

Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: jbd2: sparse warnings in revoke.c, journal.c
From: Harvey Harrison <[email protected]>

fs/jbd2/revoke.c:177:34: warning: Using plain integer as NULL pointer
fs/jbd2/revoke.c:183:33: warning: Using plain integer as NULL pointer
fs/jbd2/journal.c:222:2: warning: Using plain integer as NULL pointer
fs/jbd2/journal.c:222:2: warning: Using plain integer as NULL pointer
fs/jbd2/journal.c:234:3: warning: Using plain integer as NULL pointer
fs/jbd2/journal.c:234:3: warning: Using plain integer as NULL pointer
fs/jbd2/journal.c:1972:2: warning: Using plain integer as NULL pointer
fs/jbd2/journal.c:1979:33: warning: Using plain integer as NULL pointer
fs/jbd2/journal.c:2005:13: warning: Using plain integer as NULL pointer
fs/jbd2/journal.c:2012:17: warning: Using plain integer as NULL pointer

Signed-off-by: Harvey Harrison <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---

fs/jbd2/journal.c | 12 ++++++------
fs/jbd2/revoke.c | 4 ++--
2 files changed, 8 insertions(+), 8 deletions(-)

diff -puN fs/jbd/journal.c~jbd2-sparse-warnings-in-revokec-journalc fs/jbd/journal.c
diff -puN fs/jbd/revoke.c~jbd2-sparse-warnings-in-revokec-journalc fs/jbd/revoke.c
diff -puN fs/jbd2/journal.c~jbd2-sparse-warnings-in-revokec-journalc fs/jbd2/journal.c
--- a/fs/jbd2/journal.c~jbd2-sparse-warnings-in-revokec-journalc
+++ a/fs/jbd2/journal.c
@@ -219,7 +219,7 @@ static int jbd2_journal_start_thread(jou
if (IS_ERR(t))
return PTR_ERR(t);

- wait_event(journal->j_wait_done_commit, journal->j_task != 0);
+ wait_event(journal->j_wait_done_commit, journal->j_task != NULL);
return 0;
}

@@ -231,7 +231,7 @@ static void journal_kill_thread(journal_
while (journal->j_task) {
wake_up(&journal->j_wait_commit);
spin_unlock(&journal->j_state_lock);
- wait_event(journal->j_wait_done_commit, journal->j_task == 0);
+ wait_event(journal->j_wait_done_commit, journal->j_task == NULL);
spin_lock(&journal->j_state_lock);
}
spin_unlock(&journal->j_state_lock);
@@ -1974,14 +1974,14 @@ static int journal_init_jbd2_journal_hea
{
int retval;

- J_ASSERT(jbd2_journal_head_cache == 0);
+ J_ASSERT(!jbd2_journal_head_cache);
jbd2_journal_head_cache = kmem_cache_create("jbd2_journal_head",
sizeof(struct journal_head),
0, /* offset */
SLAB_TEMPORARY, /* flags */
NULL); /* ctor */
retval = 0;
- if (jbd2_journal_head_cache == 0) {
+ if (!jbd2_journal_head_cache) {
retval = -ENOMEM;
printk(KERN_EMERG "JBD: no memory for journal_head cache\n");
}
@@ -2007,14 +2007,14 @@ static struct journal_head *journal_allo
atomic_inc(&nr_journal_heads);
#endif
ret = kmem_cache_alloc(jbd2_journal_head_cache, GFP_NOFS);
- if (ret == 0) {
+ if (!ret) {
jbd_debug(1, "out of memory for journal_head\n");
if (time_after(jiffies, last_warning + 5*HZ)) {
printk(KERN_NOTICE "ENOMEM in %s, retrying.\n",
__FUNCTION__);
last_warning = jiffies;
}
- while (ret == 0) {
+ while (!ret) {
yield();
ret = kmem_cache_alloc(jbd2_journal_head_cache, GFP_NOFS);
}
diff -puN fs/jbd2/revoke.c~jbd2-sparse-warnings-in-revokec-journalc fs/jbd2/revoke.c
--- a/fs/jbd2/revoke.c~jbd2-sparse-warnings-in-revokec-journalc
+++ a/fs/jbd2/revoke.c
@@ -174,13 +174,13 @@ int __init jbd2_journal_init_revoke_cach
0,
SLAB_HWCACHE_ALIGN|SLAB_TEMPORARY,
NULL);
- if (jbd2_revoke_record_cache == 0)
+ if (!jbd2_revoke_record_cache)
return -ENOMEM;

jbd2_revoke_table_cache = kmem_cache_create("jbd2_revoke_table",
sizeof(struct jbd2_revoke_table_s),
0, SLAB_TEMPORARY, NULL);
- if (jbd2_revoke_table_cache == 0) {
+ if (!jbd2_revoke_table_cache) {
kmem_cache_destroy(jbd2_revoke_record_cache);
jbd2_revoke_record_cache = NULL;
return -ENOMEM;
_

Patches currently in -mm which might be from [email protected] are

origin.patch
include-linux-remove-all-users-of-fastcall-macro.patch
rcupdate-fix-comment.patch
remove-final-fastcall-users.patch
final-removal-of-fastcall-fastcall.patch
git-x86.patch
x86-remove-pt_regs-arg-from-smp_thermal_interrupt.patch
remove-sparse-warning-for-mmzoneh.patch
remove-sparse-warning-for-mmzoneh-checkpatch-fixes.patch
jbd-sparse-warnings-in-revokec-journalc.patch
jbd2-sparse-warnings-in-revokec-journalc.patch