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Date: Wed, 15 Jul 2015 12:23:20 -0500
From: Dave Kleikamp <dave.kleikamp@...cle.com>
To: Jan Kara <jack@...e.com>, linux-fsdevel@...r.kernel.org
Cc: linux-ext4@...r.kernel.org, ocfs2-devel@....oracle.com,
Mark Fasheh <mfasheh@...e.com>,
Dave Kleikamp <shaggy@...nel.org>,
jfs-discussion@...ts.sourceforge.net,
reiserfs-devel@...r.kernel.org
Subject: Re: [PATCH 5/6] jfs: Handle error from dquot_initialize()
On 07/15/2015 07:42 AM, Jan Kara wrote:
> dquot_initialize() can now return error. Handle it where possible.
Looks good to me.
> Signed-off-by: Jan Kara <jack@...e.com>
Reviewed-by: Dave Kleikamp <dave.kleikamp@...cle.com>
> ---
> fs/jfs/file.c | 7 +++++--
> fs/jfs/jfs_inode.c | 4 +++-
> fs/jfs/namei.c | 53 +++++++++++++++++++++++++++++++++++++++--------------
> 3 files changed, 47 insertions(+), 17 deletions(-)
>
> diff --git a/fs/jfs/file.c b/fs/jfs/file.c
> index e98d39d75cf4..34ad63ea0280 100644
> --- a/fs/jfs/file.c
> +++ b/fs/jfs/file.c
> @@ -107,8 +107,11 @@ int jfs_setattr(struct dentry *dentry, struct iattr *iattr)
> if (rc)
> return rc;
>
> - if (is_quota_modification(inode, iattr))
> - dquot_initialize(inode);
> + if (is_quota_modification(inode, iattr)) {
> + rc = dquot_initialize(inode);
> + if (rc)
> + return rc;
> + }
> if ((iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid)) ||
> (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid))) {
> rc = dquot_transfer(inode, iattr);
> diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
> index 6b0f816201a2..cf7936fe2e68 100644
> --- a/fs/jfs/jfs_inode.c
> +++ b/fs/jfs/jfs_inode.c
> @@ -109,7 +109,9 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
> /*
> * Allocate inode to quota.
> */
> - dquot_initialize(inode);
> + rc = dquot_initialize(inode);
> + if (rc)
> + goto fail_drop;
> rc = dquot_alloc_inode(inode);
> if (rc)
> goto fail_drop;
> diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
> index e33be921aa41..fb28ce85aa52 100644
> --- a/fs/jfs/namei.c
> +++ b/fs/jfs/namei.c
> @@ -86,7 +86,9 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, umode_t mode,
>
> jfs_info("jfs_create: dip:0x%p name:%pd", dip, dentry);
>
> - dquot_initialize(dip);
> + rc = dquot_initialize(dip);
> + if (rc)
> + goto out1;
>
> /*
> * search parent directory for entry/freespace
> @@ -218,7 +220,9 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, umode_t mode)
>
> jfs_info("jfs_mkdir: dip:0x%p name:%pd", dip, dentry);
>
> - dquot_initialize(dip);
> + rc = dquot_initialize(dip);
> + if (rc)
> + goto out1;
>
> /*
> * search parent directory for entry/freespace
> @@ -355,8 +359,12 @@ static int jfs_rmdir(struct inode *dip, struct dentry *dentry)
> jfs_info("jfs_rmdir: dip:0x%p name:%pd", dip, dentry);
>
> /* Init inode for quota operations. */
> - dquot_initialize(dip);
> - dquot_initialize(ip);
> + rc = dquot_initialize(dip);
> + if (rc)
> + goto out;
> + rc = dquot_initialize(ip);
> + if (rc)
> + goto out;
>
> /* directory must be empty to be removed */
> if (!dtEmpty(ip)) {
> @@ -483,8 +491,12 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
> jfs_info("jfs_unlink: dip:0x%p name:%pd", dip, dentry);
>
> /* Init inode for quota operations. */
> - dquot_initialize(dip);
> - dquot_initialize(ip);
> + rc = dquot_initialize(dip);
> + if (rc)
> + goto out;
> + rc = dquot_initialize(ip);
> + if (rc)
> + goto out;
>
> if ((rc = get_UCSname(&dname, dentry)))
> goto out;
> @@ -799,7 +811,9 @@ static int jfs_link(struct dentry *old_dentry,
>
> jfs_info("jfs_link: %pd %pd", old_dentry, dentry);
>
> - dquot_initialize(dir);
> + rc = dquot_initialize(dir);
> + if (rc)
> + goto out;
>
> tid = txBegin(ip->i_sb, 0);
>
> @@ -810,7 +824,7 @@ static int jfs_link(struct dentry *old_dentry,
> * scan parent directory for entry/freespace
> */
> if ((rc = get_UCSname(&dname, dentry)))
> - goto out;
> + goto out_tx;
>
> if ((rc = dtSearch(dir, &dname, &ino, &btstack, JFS_CREATE)))
> goto free_dname;
> @@ -842,12 +856,13 @@ static int jfs_link(struct dentry *old_dentry,
> free_dname:
> free_UCSname(&dname);
>
> - out:
> + out_tx:
> txEnd(tid);
>
> mutex_unlock(&JFS_IP(ip)->commit_mutex);
> mutex_unlock(&JFS_IP(dir)->commit_mutex);
>
> + out:
> jfs_info("jfs_link: rc:%d", rc);
> return rc;
> }
> @@ -891,7 +906,9 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
>
> jfs_info("jfs_symlink: dip:0x%p name:%s", dip, name);
>
> - dquot_initialize(dip);
> + rc = dquot_initialize(dip);
> + if (rc)
> + goto out1;
>
> ssize = strlen(name) + 1;
>
> @@ -1082,8 +1099,12 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
>
> jfs_info("jfs_rename: %pd %pd", old_dentry, new_dentry);
>
> - dquot_initialize(old_dir);
> - dquot_initialize(new_dir);
> + rc = dquot_initialize(old_dir);
> + if (rc)
> + goto out1;
> + rc = dquot_initialize(new_dir);
> + if (rc)
> + goto out1;
>
> old_ip = d_inode(old_dentry);
> new_ip = d_inode(new_dentry);
> @@ -1130,7 +1151,9 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
> } else if (new_ip) {
> IWRITE_LOCK(new_ip, RDWRLOCK_NORMAL);
> /* Init inode for quota operations. */
> - dquot_initialize(new_ip);
> + rc = dquot_initialize(new_ip);
> + if (rc)
> + goto out3;
> }
>
> /*
> @@ -1354,7 +1377,9 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry,
>
> jfs_info("jfs_mknod: %pd", dentry);
>
> - dquot_initialize(dir);
> + rc = dquot_initialize(dir);
> + if (rc)
> + goto out;
>
> if ((rc = get_UCSname(&dname, dentry)))
> goto out;
>
--
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