linux-ext4 - Re: [PATCH 06/11] ext4: Remove ext4_get_inode

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Message-Id: <EF0164C7-020B-4434-9F78-2EB9FE70EF6D@dilger.ca>
Date:   Wed, 12 Apr 2017 22:05:56 -0600
From:   Andreas Dilger <adilger@...ger.ca>
To:     Jan Kara <jack@...e.cz>
Cc:     linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        linux-ext4 <linux-ext4@...r.kernel.org>,
        reiserfs-devel@...r.kernel.org,
        jfs-discussion@...ts.sourceforge.net
Subject: Re: [PATCH 06/11] ext4: Remove ext4_get_inode_flags()

On Apr 12, 2017, at 1:26 AM, Jan Kara <jack@...e.cz> wrote:
> 
> Now that all places setting inode->i_flags that should be reflected in
> on-disk flags are gone, we can remove ext4_get_inode_flags() call.
> 
> Signed-off-by: Jan Kara <jack@...e.cz>

Reviewed-by: Andreas Dilger <adilger@...ger.ca>

> ---
> fs/ext4/ext4.h  |  1 -
> fs/ext4/inode.c | 26 --------------------------
> fs/ext4/ioctl.c |  2 --
> 3 files changed, 29 deletions(-)
> 
> diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
> index f493af666591..3e8a03b88b3a 100644
> --- a/fs/ext4/ext4.h
> +++ b/fs/ext4/ext4.h
> @@ -2476,7 +2476,6 @@ extern int ext4_truncate(struct inode *);
> extern int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length);
> extern int ext4_truncate_restart_trans(handle_t *, struct inode *, int nblocks);
> extern void ext4_set_inode_flags(struct inode *);
> -extern void ext4_get_inode_flags(struct ext4_inode_info *);
> extern int ext4_alloc_da_blocks(struct inode *inode);
> extern void ext4_set_aops(struct inode *inode);
> extern int ext4_writepage_trans_blocks(struct inode *);
> diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
> index 4247d8d25687..cfd8b29bbf92 100644
> --- a/fs/ext4/inode.c
> +++ b/fs/ext4/inode.c
> @@ -4502,31 +4502,6 @@ void ext4_set_inode_flags(struct inode *inode)
> 			S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|S_DAX);
> }
> 
> -/* Propagate flags from i_flags to EXT4_I(inode)->i_flags */
> -void ext4_get_inode_flags(struct ext4_inode_info *ei)
> -{
> -	unsigned int vfs_fl;
> -	unsigned long old_fl, new_fl;
> -
> -	do {
> -		vfs_fl = ei->vfs_inode.i_flags;
> -		old_fl = ei->i_flags;
> -		new_fl = old_fl & ~(EXT4_SYNC_FL|EXT4_APPEND_FL|
> -				EXT4_IMMUTABLE_FL|EXT4_NOATIME_FL|
> -				EXT4_DIRSYNC_FL);
> -		if (vfs_fl & S_SYNC)
> -			new_fl |= EXT4_SYNC_FL;
> -		if (vfs_fl & S_APPEND)
> -			new_fl |= EXT4_APPEND_FL;
> -		if (vfs_fl & S_IMMUTABLE)
> -			new_fl |= EXT4_IMMUTABLE_FL;
> -		if (vfs_fl & S_NOATIME)
> -			new_fl |= EXT4_NOATIME_FL;
> -		if (vfs_fl & S_DIRSYNC)
> -			new_fl |= EXT4_DIRSYNC_FL;
> -	} while (cmpxchg(&ei->i_flags, old_fl, new_fl) != old_fl);
> -}
> -
> static blkcnt_t ext4_inode_blocks(struct ext4_inode *raw_inode,
> 				  struct ext4_inode_info *ei)
> {
> @@ -4963,7 +4938,6 @@ static int ext4_do_update_inode(handle_t *handle,
> 	if (ext4_test_inode_state(inode, EXT4_STATE_NEW))
> 		memset(raw_inode, 0, EXT4_SB(inode->i_sb)->s_inode_size);
> 
> -	ext4_get_inode_flags(ei);
> 	raw_inode->i_mode = cpu_to_le16(inode->i_mode);
> 	i_uid = i_uid_read(inode);
> 	i_gid = i_gid_read(inode);
> diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
> index a4273ddb9922..184e74eb3004 100644
> --- a/fs/ext4/ioctl.c
> +++ b/fs/ext4/ioctl.c
> @@ -500,7 +500,6 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
> 
> 	switch (cmd) {
> 	case EXT4_IOC_GETFLAGS:
> -		ext4_get_inode_flags(ei);
> 		flags = ei->i_flags & EXT4_FL_USER_VISIBLE;
> 		return put_user(flags, (int __user *) arg);
> 	case EXT4_IOC_SETFLAGS: {
> @@ -888,7 +887,6 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
> 		struct fsxattr fa;
> 
> 		memset(&fa, 0, sizeof(struct fsxattr));
> -		ext4_get_inode_flags(ei);
> 		fa.fsx_xflags = ext4_iflags_to_xflags(ei->i_flags & EXT4_FL_USER_VISIBLE);
> 
> 		if (ext4_has_feature_project(inode->i_sb)) {
> --
> 2.12.0
> 


Cheers, Andreas






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