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authorFabian Frederick <fabf@skynet.be>2014-05-22 10:42:24 +1000
committerDave Kleikamp <dave.kleikamp@oracle.com>2014-06-03 14:13:59 -0500
commit789602e95d5ceb4c08b673fe4b39aa109bc66527 (patch)
treed2ab9b465d071ee9ab1c009a3b4393e3e3869339 /fs/jfs
parentbc4e6b28ac03c730c79fb45bd8cc19387f44adfa (diff)
downloadlwn-789602e95d5ceb4c08b673fe4b39aa109bc66527.tar.gz
lwn-789602e95d5ceb4c08b673fe4b39aa109bc66527.zip
fs/jfs/super.c: remove 0 assignment to static + code clean-up
-Static values are automatically initialized to NULL -Coalesce format fragments -Remove unnecessary {} -Small typo fixes -Fix lines > 80 characters Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Diffstat (limited to 'fs/jfs')
-rw-r--r--fs/jfs/super.c45
1 files changed, 19 insertions, 26 deletions
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 97f7fda51890..d1096fed5a62 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -50,14 +50,14 @@ MODULE_DESCRIPTION("The Journaled Filesystem (JFS)");
MODULE_AUTHOR("Steve Best/Dave Kleikamp/Barry Arndt, IBM");
MODULE_LICENSE("GPL");
-static struct kmem_cache * jfs_inode_cachep;
+static struct kmem_cache *jfs_inode_cachep;
static const struct super_operations jfs_super_operations;
static const struct export_operations jfs_export_operations;
static struct file_system_type jfs_fs_type;
#define MAX_COMMIT_THREADS 64
-static int commit_threads = 0;
+static int commit_threads;
module_param(commit_threads, int, 0);
MODULE_PARM_DESC(commit_threads, "Number of commit threads");
@@ -84,8 +84,7 @@ static void jfs_handle_error(struct super_block *sb)
panic("JFS (device %s): panic forced after error\n",
sb->s_id);
else if (sbi->flag & JFS_ERR_REMOUNT_RO) {
- jfs_err("ERROR: (device %s): remounting filesystem "
- "as read-only\n",
+ jfs_err("ERROR: (device %s): remounting filesystem as read-only\n",
sb->s_id);
sb->s_flags |= MS_RDONLY;
}
@@ -363,12 +362,10 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize,
* -> user has more control over the online trimming
*/
sbi->minblks_trim = 64;
- if (blk_queue_discard(q)) {
+ if (blk_queue_discard(q))
*flag |= JFS_DISCARD;
- } else {
- pr_err("JFS: discard option " \
- "not supported on device\n");
- }
+ else
+ pr_err("JFS: discard option not supported on device\n");
break;
}
@@ -385,15 +382,14 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize,
sbi->minblks_trim = simple_strtoull(
minblks_trim, &minblks_trim, 0);
} else {
- pr_err("JFS: discard option " \
- "not supported on device\n");
+ pr_err("JFS: discard option not supported on device\n");
}
break;
}
default:
- printk("jfs: Unrecognized mount option \"%s\" "
- " or missing value\n", p);
+ printk("jfs: Unrecognized mount option \"%s\" or missing value\n",
+ p);
goto cleanup;
}
}
@@ -419,14 +415,12 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data)
int ret;
sync_filesystem(sb);
- if (!parse_options(data, sb, &newLVSize, &flag)) {
+ if (!parse_options(data, sb, &newLVSize, &flag))
return -EINVAL;
- }
if (newLVSize) {
if (sb->s_flags & MS_RDONLY) {
- pr_err("JFS: resize requires volume" \
- " to be mounted read-write\n");
+ pr_err("JFS: resize requires volume to be mounted read-write\n");
return -EROFS;
}
rc = jfs_extendfs(sb, newLVSize, 0);
@@ -452,9 +446,8 @@ static int jfs_remount(struct super_block *sb, int *flags, char *data)
}
if ((!(sb->s_flags & MS_RDONLY)) && (*flags & MS_RDONLY)) {
rc = dquot_suspend(sb, -1);
- if (rc < 0) {
+ if (rc < 0)
return rc;
- }
rc = jfs_umount_rw(sb);
JFS_SBI(sb)->flag = flag;
return rc;
@@ -487,7 +480,7 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
if (!new_valid_dev(sb->s_bdev->bd_dev))
return -EOVERFLOW;
- sbi = kzalloc(sizeof (struct jfs_sb_info), GFP_KERNEL);
+ sbi = kzalloc(sizeof(struct jfs_sb_info), GFP_KERNEL);
if (!sbi)
return -ENOMEM;
@@ -548,9 +541,8 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
rc = jfs_mount(sb);
if (rc) {
- if (!silent) {
+ if (!silent)
jfs_err("jfs_mount failed w/return code = %d", rc);
- }
goto out_mount_failed;
}
if (sb->s_flags & MS_RDONLY)
@@ -587,7 +579,8 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
* Page cache is indexed by long.
* I would use MAX_LFS_FILESIZE, but it's only half as big
*/
- sb->s_maxbytes = min(((u64) PAGE_CACHE_SIZE << 32) - 1, (u64)sb->s_maxbytes);
+ sb->s_maxbytes = min(((u64) PAGE_CACHE_SIZE << 32) - 1,
+ (u64)sb->s_maxbytes);
#endif
sb->s_time_gran = 1;
return 0;
@@ -597,9 +590,8 @@ out_no_root:
out_no_rw:
rc = jfs_umount(sb);
- if (rc) {
+ if (rc)
jfs_err("jfs_umount failed with return code %d", rc);
- }
out_mount_failed:
filemap_write_and_wait(sbi->direct_inode->i_mapping);
truncate_inode_pages(sbi->direct_inode->i_mapping, 0);
@@ -924,7 +916,8 @@ static int __init init_jfs_fs(void)
commit_threads = MAX_COMMIT_THREADS;
for (i = 0; i < commit_threads; i++) {
- jfsCommitThread[i] = kthread_run(jfs_lazycommit, NULL, "jfsCommit");
+ jfsCommitThread[i] = kthread_run(jfs_lazycommit, NULL,
+ "jfsCommit");
if (IS_ERR(jfsCommitThread[i])) {
rc = PTR_ERR(jfsCommitThread[i]);
jfs_err("init_jfs_fs: fork failed w/rc = %d", rc);