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authorAl Viro <viro@ftp.linux.org.uk>2008-03-29 03:07:18 +0000
committerLinus Torvalds <torvalds@linux-foundation.org>2008-03-30 14:18:41 -0700
commit1076d17ac70d1bb28fadc6f4bd96977b56897025 (patch)
tree17327e19c0bf6280d5c50996f96d14f38b55841a /fs
parentaf8be4e4b316df36a00c1e52a9970c253783b57e (diff)
downloadlinux-linaro-1076d17ac70d1bb28fadc6f4bd96977b56897025.tar.gz
jbd/jbd2 NULL noise
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/jbd/journal.c4
-rw-r--r--fs/jbd/revoke.c4
-rw-r--r--fs/jbd2/journal.c12
-rw-r--r--fs/jbd2/revoke.c4
4 files changed, 12 insertions, 12 deletions
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index 9816293442a..0e081d5f32e 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -1620,14 +1620,14 @@ static int journal_init_journal_head_cache(void)
{
int retval;
- J_ASSERT(journal_head_cache == 0);
+ J_ASSERT(journal_head_cache == NULL);
journal_head_cache = kmem_cache_create("journal_head",
sizeof(struct journal_head),
0, /* offset */
SLAB_TEMPORARY, /* flags */
NULL); /* ctor */
retval = 0;
- if (journal_head_cache == 0) {
+ if (!journal_head_cache) {
retval = -ENOMEM;
printk(KERN_EMERG "JBD: no memory for journal_head cache\n");
}
diff --git a/fs/jbd/revoke.c b/fs/jbd/revoke.c
index ad2eacf570c..d5f8eee7c88 100644
--- a/fs/jbd/revoke.c
+++ b/fs/jbd/revoke.c
@@ -173,13 +173,13 @@ int __init journal_init_revoke_caches(void)
0,
SLAB_HWCACHE_ALIGN|SLAB_TEMPORARY,
NULL);
- if (revoke_record_cache == 0)
+ if (!revoke_record_cache)
return -ENOMEM;
revoke_table_cache = kmem_cache_create("revoke_table",
sizeof(struct jbd_revoke_table_s),
0, SLAB_TEMPORARY, NULL);
- if (revoke_table_cache == 0) {
+ if (!revoke_table_cache) {
kmem_cache_destroy(revoke_record_cache);
revoke_record_cache = NULL;
return -ENOMEM;
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 96ba846992e..954cff001df 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -219,7 +219,7 @@ static int jbd2_journal_start_thread(journal_t *journal)
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_t *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);
@@ -1969,14 +1969,14 @@ static int journal_init_jbd2_journal_head_cache(void)
{
int retval;
- J_ASSERT(jbd2_journal_head_cache == 0);
+ J_ASSERT(jbd2_journal_head_cache == NULL);
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");
}
@@ -2002,14 +2002,14 @@ static struct journal_head *journal_alloc_journal_head(void)
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 --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c
index df36f42e19e..2e1453a5e99 100644
--- a/fs/jbd2/revoke.c
+++ b/fs/jbd2/revoke.c
@@ -174,13 +174,13 @@ int __init jbd2_journal_init_revoke_caches(void)
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;