From 789602e95d5ceb4c08b673fe4b39aa109bc66527 Mon Sep 17 00:00:00 2001 From: Fabian Frederick Date: Thu, 22 May 2014 10:42:24 +1000 Subject: [PATCH] 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 Signed-off-by: Andrew Morton Signed-off-by: Dave Kleikamp --- fs/jfs/super.c | 45 +++++++++++++++++++-------------------------- 1 file 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); -- 2.20.1