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Subject[PATCH 14/19] Unionfs: use braces in both branches of conditionals
Date
As per CodingStyle, if one branch of an if-then-else has braces because it
has multiple statements, then the other branch should have braces too, even
if the other branch has only one statement in it.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
---
fs/unionfs/commonfops.c | 6 ++++--
fs/unionfs/dentry.c | 8 ++++----
fs/unionfs/dirfops.c | 6 ++++--
fs/unionfs/dirhelper.c | 4 ++--
fs/unionfs/inode.c | 6 ++++--
fs/unionfs/lookup.c | 7 ++++---
fs/unionfs/main.c | 4 ++--
fs/unionfs/rdstate.c | 4 ++--
fs/unionfs/rename.c | 21 ++++++++++++---------
fs/unionfs/unlink.c | 9 +++++----
10 files changed, 43 insertions(+), 32 deletions(-)
diff --git a/fs/unionfs/commonfops.c b/fs/unionfs/commonfops.c
index b42a6f4..f7da687 100644
--- a/fs/unionfs/commonfops.c
+++ b/fs/unionfs/commonfops.c
@@ -182,8 +182,9 @@ static int open_all_files(struct file *file)
if (IS_ERR(lower_file)) {
err = PTR_ERR(lower_file);
goto out;
- } else
+ } else {
unionfs_set_lower_file_idx(file, bindex, lower_file);
+ }
}
out:
return err;
@@ -484,8 +485,9 @@ static int __open_file(struct inode *inode, struct file *file)
break;
}
return err;
- } else
+ } else {
lower_flags &= ~(OPEN_WRITE_FLAGS);
+ }
}

dget(lower_dentry);
diff --git a/fs/unionfs/dentry.c b/fs/unionfs/dentry.c
index 248c79d..8891c53 100644
--- a/fs/unionfs/dentry.c
+++ b/fs/unionfs/dentry.c
@@ -299,9 +299,9 @@ bool __unionfs_d_revalidate_chain(struct dentry *dentry, struct nameidata *nd,
* always be valid, but its lower inode times don't have to
* be, so sync up the times only.
*/
- if (IS_ROOT(dtmp))
+ if (IS_ROOT(dtmp)) {
unionfs_copy_attr_times(dtmp->d_inode);
- else {
+ } else {
/*
* reset generation number to zero, guaranteed to be
* "old"
@@ -376,9 +376,9 @@ out_this:

if (unlikely(is_newer_lower(dentry))) {
/* root dentry special case as aforementioned */
- if (IS_ROOT(dentry))
+ if (IS_ROOT(dentry)) {
unionfs_copy_attr_times(dentry->d_inode);
- else {
+ } else {
/*
* reset generation number to zero, guaranteed to be
* "old"
diff --git a/fs/unionfs/dirfops.c b/fs/unionfs/dirfops.c
index da0fcdb..ed51540 100644
--- a/fs/unionfs/dirfops.c
+++ b/fs/unionfs/dirfops.c
@@ -174,8 +174,9 @@ static int unionfs_readdir(struct file *file, void *dirent, filldir_t filldir)
free_rdstate(uds);
UNIONFS_F(file)->rdstate = NULL;
file->f_pos = DIREOF;
- } else
+ } else {
file->f_pos = rdstate2offset(uds);
+ }

out:
unionfs_read_unlock(file->f_path.dentry->d_sb);
@@ -242,8 +243,9 @@ static loff_t unionfs_dir_llseek(struct file *file, loff_t offset, int origin)
if (rdstate) {
UNIONFS_F(file)->rdstate = rdstate;
err = rdstate->offset;
- } else
+ } else {
err = -EINVAL;
+ }
}
break;
case SEEK_CUR:
diff --git a/fs/unionfs/dirhelper.c b/fs/unionfs/dirhelper.c
index f0e1fee..8f4a304 100644
--- a/fs/unionfs/dirhelper.c
+++ b/fs/unionfs/dirhelper.c
@@ -111,9 +111,9 @@ int delete_whiteouts(struct dentry *dentry, int bindex,
BUG_ON(!S_ISDIR(lower_dir->i_mode));

mutex_lock(&lower_dir->i_mutex);
- if (!permission(lower_dir, MAY_WRITE | MAY_EXEC, NULL))
+ if (!permission(lower_dir, MAY_WRITE | MAY_EXEC, NULL)) {
err = do_delete_whiteouts(dentry, bindex, namelist);
- else {
+ } else {
args.deletewh.namelist = namelist;
args.deletewh.dentry = dentry;
args.deletewh.bindex = bindex;
diff --git a/fs/unionfs/inode.c b/fs/unionfs/inode.c
index 49b5baf..3b58277 100644
--- a/fs/unionfs/inode.c
+++ b/fs/unionfs/inode.c
@@ -571,8 +571,9 @@ static int unionfs_mkdir(struct inode *parent, struct dentry *dentry, int mode)
if (!IS_COPYUP_ERR(err))
goto out;
bstart--;
- } else
+ } else {
whiteout_unlinked = 1;
+ }
}

for (bindex = bstart; bindex >= 0; bindex--) {
@@ -718,8 +719,9 @@ static int unionfs_mknod(struct inode *dir, struct dentry *dentry, int mode,
if (!IS_COPYUP_ERR(err))
goto out;
bstart--;
- } else
+ } else {
whiteout_unlinked = 1;
+ }
}

for (bindex = bstart; bindex >= 0; bindex--) {
diff --git a/fs/unionfs/lookup.c b/fs/unionfs/lookup.c
index 929f15b..a2c046b 100644
--- a/fs/unionfs/lookup.c
+++ b/fs/unionfs/lookup.c
@@ -47,11 +47,11 @@ static noinline int is_opaque_dir(struct dentry *dentry, int bindex)

mutex_lock(&lower_inode->i_mutex);

- if (!permission(lower_inode, MAY_EXEC, NULL))
+ if (!permission(lower_inode, MAY_EXEC, NULL)) {
wh_lower_dentry =
lookup_one_len(UNIONFS_DIR_OPAQUE, lower_dentry,
sizeof(UNIONFS_DIR_OPAQUE) - 1);
- else {
+ } else {
args.is_opaque.dentry = lower_dentry;
run_sioq(__is_opaque_dir, &args);
wh_lower_dentry = args.ret;
@@ -250,8 +250,9 @@ struct dentry *unionfs_lookup_backend(struct dentry *dentry,
first_lower_mnt =
unionfs_mntget(parent_dentry, bindex);
first_dentry_offset = bindex;
- } else
+ } else {
dput(lower_dentry);
+ }

continue;
}
diff --git a/fs/unionfs/main.c b/fs/unionfs/main.c
index 25ac851..2fe6aaa 100644
--- a/fs/unionfs/main.c
+++ b/fs/unionfs/main.c
@@ -149,9 +149,9 @@ skip:
break;
case INTERPOSE_LOOKUP:
spliced = d_splice_alias(inode, dentry);
- if (IS_ERR(spliced))
+ if (IS_ERR(spliced)) {
err = PTR_ERR(spliced);
- else if (spliced && spliced != dentry) {
+ } else if (spliced && spliced != dentry) {
/*
* d_splice can return a dentry if it was
* disconnected and had to be moved. We must ensure
diff --git a/fs/unionfs/rdstate.c b/fs/unionfs/rdstate.c
index 46cf2df..e96b6bc 100644
--- a/fs/unionfs/rdstate.c
+++ b/fs/unionfs/rdstate.c
@@ -260,9 +260,9 @@ int add_filldir_node(struct unionfs_dir_state *rdstate, const char *name,
new->bindex = bindex;
new->whiteout = whiteout;

- if (namelen < DNAME_INLINE_LEN_MIN)
+ if (namelen < DNAME_INLINE_LEN_MIN) {
new->name = new->iname;
- else {
+ } else {
new->name = kmalloc(namelen + 1, GFP_KERNEL);
if (unlikely(!new->name)) {
kmem_cache_free(unionfs_filldir_cachep, new);
diff --git a/fs/unionfs/rename.c b/fs/unionfs/rename.c
index 81121f0..e6a2a3c 100644
--- a/fs/unionfs/rename.c
+++ b/fs/unionfs/rename.c
@@ -83,8 +83,9 @@ static int __unionfs_rename(struct inode *old_dir, struct dentry *old_dentry,
unlock_dir(lower_wh_dir_dentry);
if (err)
goto out;
- } else
+ } else {
dput(lower_wh_dentry);
+ }

dget(lower_old_dentry);
lower_old_dir_dentry = dget_parent(lower_old_dentry);
@@ -178,8 +179,9 @@ static int do_unionfs_rename(struct inode *old_dir,
if (!IS_COPYUP_ERR(err))
goto out;
do_copyup = old_bstart - 1;
- } else
+ } else {
revert = 1;
+ }

/*
* Unlink all instances of destination that exist to the left of
@@ -271,9 +273,9 @@ static int do_unionfs_rename(struct inode *old_dir,
local_err = vfs_create(lower_parent->d_inode, wh_old, S_IRUGO,
&nd);
unlock_dir(lower_parent);
- if (!local_err)
+ if (!local_err) {
set_dbopaque(old_dentry, bwh_old);
- else {
+ } else {
/*
* we can't fix anything now, so we cop-out and use
* -EIO.
@@ -392,8 +394,9 @@ static int may_rename_dir(struct dentry *dentry)
if (err == -ENOTEMPTY) {
if (is_robranch(dentry))
return -EXDEV;
- } else if (err)
+ } else if (err) {
return err;
+ }

bstart = dbstart(dentry);
if (dbend(dentry) == bstart || dbopaque(dentry) == bstart)
@@ -443,9 +446,9 @@ int unionfs_rename(struct inode *old_dir, struct dentry *old_dentry,
* simply override it even if the whited-out dir is not empty.
*/
wh_dentry = lookup_whiteout(new_dentry);
- if (!IS_ERR(wh_dentry))
+ if (!IS_ERR(wh_dentry)) {
dput(wh_dentry);
- else if (new_dentry->d_inode) {
+ } else if (new_dentry->d_inode) {
if (S_ISDIR(old_dentry->d_inode->i_mode) !=
S_ISDIR(new_dentry->d_inode->i_mode)) {
err = S_ISDIR(old_dentry->d_inode->i_mode) ?
@@ -473,10 +476,10 @@ int unionfs_rename(struct inode *old_dir, struct dentry *old_dentry,
}
err = do_unionfs_rename(old_dir, old_dentry, new_dir, new_dentry);
out:
- if (err)
+ if (err) {
/* clear the new_dentry stuff created */
d_drop(new_dentry);
- else {
+ } else {
/*
* force re-lookup since the dir on ro branch is not renamed,
* and lower dentries still indicate the un-renamed ones.
diff --git a/fs/unionfs/unlink.c b/fs/unionfs/unlink.c
index c5f6ed5..61a6fe1 100644
--- a/fs/unionfs/unlink.c
+++ b/fs/unionfs/unlink.c
@@ -55,11 +55,12 @@ static int unionfs_unlink_whiteout(struct inode *dir, struct dentry *dentry)
if (dbstart(dentry) == 0)
goto out;
err = create_whiteout(dentry, dbstart(dentry) - 1);
- } else if (dbopaque(dentry) != -1)
+ } else if (dbopaque(dentry) != -1) {
/* There is a lower lower-priority file with the same name. */
err = create_whiteout(dentry, dbopaque(dentry));
- else
+ } else {
err = create_whiteout(dentry, dbstart(dentry));
+ }

out:
if (!err)
@@ -161,9 +162,9 @@ int unionfs_rmdir(struct inode *dir, struct dentry *dentry)

err = unionfs_rmdir_first(dir, dentry, namelist);
/* create whiteout */
- if (!err)
+ if (!err) {
err = create_whiteout(dentry, dbstart(dentry));
- else {
+ } else {
int new_err;

if (dbstart(dentry) == 0)
--
1.5.2.2
-
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