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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-04 08:39:03 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-04 08:39:03 -0700 |
commit | daf342af2f7856fd2f5c66b9fb39a8f24986ca53 (patch) | |
tree | 9cb74ca3ea975e36afb7dbfe6c76b6805485e8b3 /fs | |
parent | ba1bdefec36c45eef1f8aa44bd845c9ea3190506 (diff) | |
parent | bb5e50aaa80564268f950d1b2f764455afbfea82 (diff) | |
download | op-kernel-dev-daf342af2f7856fd2f5c66b9fb39a8f24986ca53.zip op-kernel-dev-daf342af2f7856fd2f5c66b9fb39a8f24986ca53.tar.gz |
Merge tag 'jfs-3.16' of git://github.com/kleikamp/linux-shaggy into next
Pull jfs changes from Dave Kleikamp.
* tag 'jfs-3.16' of git://github.com/kleikamp/linux-shaggy:
fs/jfs/super.c: convert simple_str to kstr
fs/jfs/jfs_dmap.c: replace min/casting by min_t
fs/jfs/super.c: remove 0 assignment to static + code clean-up
fs/jfs/jfs_logmgr.c: remove NULL assignment on static
JFS: Check for NULL before calling posix_acl_equiv_mode()
fs/jfs/jfs_inode.c: atomically set inode->i_flags
Diffstat (limited to 'fs')
-rw-r--r-- | fs/jfs/acl.c | 16 | ||||
-rw-r--r-- | fs/jfs/jfs_dmap.c | 9 | ||||
-rw-r--r-- | fs/jfs/jfs_inode.c | 16 | ||||
-rw-r--r-- | fs/jfs/jfs_logmgr.c | 2 | ||||
-rw-r--r-- | fs/jfs/super.c | 77 |
5 files changed, 66 insertions, 54 deletions
diff --git a/fs/jfs/acl.c b/fs/jfs/acl.c index 5a8ea16..0c8ca83 100644 --- a/fs/jfs/acl.c +++ b/fs/jfs/acl.c @@ -83,13 +83,15 @@ static int __jfs_set_acl(tid_t tid, struct inode *inode, int type, switch (type) { case ACL_TYPE_ACCESS: ea_name = POSIX_ACL_XATTR_ACCESS; - rc = posix_acl_equiv_mode(acl, &inode->i_mode); - if (rc < 0) - return rc; - inode->i_ctime = CURRENT_TIME; - mark_inode_dirty(inode); - if (rc == 0) - acl = NULL; + if (acl) { + rc = posix_acl_equiv_mode(acl, &inode->i_mode); + if (rc < 0) + return rc; + inode->i_ctime = CURRENT_TIME; + mark_inode_dirty(inode); + if (rc == 0) + acl = NULL; + } break; case ACL_TYPE_DEFAULT: ea_name = POSIX_ACL_XATTR_DEFAULT; diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 370d7b6..2d514c7 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -1208,7 +1208,7 @@ static int dbAllocNext(struct bmap * bmp, struct dmap * dp, s64 blkno, * by this leaf. */ l2size = - min((int)leaf[word], NLSTOL2BSZ(nwords)); + min_t(int, leaf[word], NLSTOL2BSZ(nwords)); /* determine how many words were handled. */ @@ -1902,7 +1902,7 @@ dbAllocCtl(struct bmap * bmp, s64 nblocks, int l2nb, s64 blkno, s64 * results) /* determine how many blocks to allocate from this dmap. */ - nb = min(n, (s64)BPERDMAP); + nb = min_t(s64, n, BPERDMAP); /* allocate the blocks from the dmap. */ @@ -2260,7 +2260,8 @@ static void dbAllocBits(struct bmap * bmp, struct dmap * dp, s64 blkno, * of bits being allocated and the l2 number * of bits currently described by this leaf. */ - size = min((int)leaf[word], NLSTOL2BSZ(nwords)); + size = min_t(int, leaf[word], + NLSTOL2BSZ(nwords)); /* update the leaf to reflect the allocation. * in addition to setting the leaf value to @@ -3563,7 +3564,7 @@ int dbExtendFS(struct inode *ipbmap, s64 blkno, s64 nblocks) if (mp == NULL) goto errout; - n = min(nblocks, (s64)BPERDMAP); + n = min_t(s64, nblocks, BPERDMAP); } dp = (struct dmap *) mp->data; diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c index 7f464c5..6b0f816 100644 --- a/fs/jfs/jfs_inode.c +++ b/fs/jfs/jfs_inode.c @@ -29,20 +29,20 @@ void jfs_set_inode_flags(struct inode *inode) { unsigned int flags = JFS_IP(inode)->mode2; - - inode->i_flags &= ~(S_IMMUTABLE | S_APPEND | - S_NOATIME | S_DIRSYNC | S_SYNC); + unsigned int new_fl = 0; if (flags & JFS_IMMUTABLE_FL) - inode->i_flags |= S_IMMUTABLE; + new_fl |= S_IMMUTABLE; if (flags & JFS_APPEND_FL) - inode->i_flags |= S_APPEND; + new_fl |= S_APPEND; if (flags & JFS_NOATIME_FL) - inode->i_flags |= S_NOATIME; + new_fl |= S_NOATIME; if (flags & JFS_DIRSYNC_FL) - inode->i_flags |= S_DIRSYNC; + new_fl |= S_DIRSYNC; if (flags & JFS_SYNC_FL) - inode->i_flags |= S_SYNC; + new_fl |= S_SYNC; + inode_set_flags(inode, new_fl, S_IMMUTABLE | S_APPEND | S_NOATIME | + S_DIRSYNC | S_SYNC); } void jfs_get_inode_flags(struct jfs_inode_info *jfs_ip) diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index 8d811e0..0acddf6 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -167,7 +167,7 @@ do { \ * Global list of active external journals */ static LIST_HEAD(jfs_external_logs); -static struct jfs_log *dummy_log = NULL; +static struct jfs_log *dummy_log; static DEFINE_MUTEX(jfs_log_mutex); /* diff --git a/fs/jfs/super.c b/fs/jfs/super.c index 97f7fda..adf8cb0 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; } @@ -273,7 +272,10 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize, case Opt_resize: { char *resize = args[0].from; - *newLVSize = simple_strtoull(resize, &resize, 0); + int rc = kstrtoll(resize, 0, newLVSize); + + if (rc) + goto cleanup; break; } case Opt_resize_nosize: @@ -327,7 +329,11 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize, case Opt_uid: { char *uid = args[0].from; - uid_t val = simple_strtoul(uid, &uid, 0); + uid_t val; + int rc = kstrtouint(uid, 0, &val); + + if (rc) + goto cleanup; sbi->uid = make_kuid(current_user_ns(), val); if (!uid_valid(sbi->uid)) goto cleanup; @@ -337,7 +343,11 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize, case Opt_gid: { char *gid = args[0].from; - gid_t val = simple_strtoul(gid, &gid, 0); + gid_t val; + int rc = kstrtouint(gid, 0, &val); + + if (rc) + goto cleanup; sbi->gid = make_kgid(current_user_ns(), val); if (!gid_valid(sbi->gid)) goto cleanup; @@ -347,7 +357,10 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize, case Opt_umask: { char *umask = args[0].from; - sbi->umask = simple_strtoul(umask, &umask, 8); + int rc = kstrtouint(umask, 8, &sbi->umask); + + if (rc) + goto cleanup; if (sbi->umask & ~0777) { pr_err("JFS: Invalid value of umask\n"); goto cleanup; @@ -363,12 +376,10 @@ 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; } @@ -380,20 +391,21 @@ static int parse_options(char *options, struct super_block *sb, s64 *newLVSize, { struct request_queue *q = bdev_get_queue(sb->s_bdev); char *minblks_trim = args[0].from; + int rc; if (blk_queue_discard(q)) { *flag |= JFS_DISCARD; - sbi->minblks_trim = simple_strtoull( - minblks_trim, &minblks_trim, 0); - } else { - pr_err("JFS: discard option " \ - "not supported on device\n"); - } + rc = kstrtouint(minblks_trim, 0, + &sbi->minblks_trim); + if (rc) + goto cleanup; + } else + 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 +431,12 @@ 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 +462,8 @@ 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 +496,7 @@ 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 +557,8 @@ 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 +595,8 @@ 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 +606,8 @@ 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 +932,8 @@ 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); |