[PATCH V5 7/9] fs/ext4: Remove jflag variable

From: ira . weiny
Date: Thu May 28 2020 - 11:01:25 EST


From: Ira Weiny <ira.weiny@xxxxxxxxx>

The jflag variable serves almost no purpose. Remove it.

Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>

---
Changes from V4:
New for this series.
---
fs/ext4/ioctl.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 7ccf20b1488b..e8a5cdade59f 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -300,7 +300,6 @@ static int ext4_ioctl_setflags(struct inode *inode,
int err = -EPERM, migrate = 0;
struct ext4_iloc iloc;
unsigned int oldflags, mask, i;
- unsigned int jflag;
struct super_block *sb = inode->i_sb;

/* Is it quota file? Do not allow user to mess with it */
@@ -309,9 +308,6 @@ static int ext4_ioctl_setflags(struct inode *inode,

oldflags = ei->i_flags;

- /* The JOURNAL_DATA flag is modifiable only by root */
- jflag = flags & EXT4_JOURNAL_DATA_FL;
-
err = vfs_ioc_setflags_prepare(inode, oldflags, flags);
if (err)
goto flags_out;
@@ -320,7 +316,7 @@ static int ext4_ioctl_setflags(struct inode *inode,
* The JOURNAL_DATA flag can only be changed by
* the relevant capability.
*/
- if ((jflag ^ oldflags) & (EXT4_JOURNAL_DATA_FL)) {
+ if ((flags ^ oldflags) & (EXT4_JOURNAL_DATA_FL)) {
if (!capable(CAP_SYS_RESOURCE))
goto flags_out;
}
@@ -391,7 +387,7 @@ static int ext4_ioctl_setflags(struct inode *inode,
if (err)
goto flags_out;

- if ((jflag ^ oldflags) & (EXT4_JOURNAL_DATA_FL)) {
+ if ((flags ^ oldflags) & (EXT4_JOURNAL_DATA_FL)) {
/*
* Changes to the journaling mode can cause unsafe changes to
* S_DAX if the inode is DAX
@@ -401,7 +397,8 @@ static int ext4_ioctl_setflags(struct inode *inode,
goto flags_out;
}

- err = ext4_change_inode_journal_flag(inode, jflag);
+ err = ext4_change_inode_journal_flag(inode,
+ flags & EXT4_JOURNAL_DATA_FL);
if (err)
goto flags_out;
}
--
2.25.1