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Date: Mon, 05 Jan 2009 20:31:30 -0800
From: Mingming Cao <cmm@...ibm.com>
To: Jan Kara <jack@...e.cz>
Cc: Andrew Morton <akpm@...ux-foundation.org>, tytso <tytso@....edu>,
linux-ext4 <linux-ext4@...r.kernel.org>,
linux-fsdevel <linux-fsdevel@...r.kernel.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [PATCH V2 2/2]QUOTA cleanup:Move EXPORT_SYMBOL immediatlely
next to the functions/varibles
在 2008-12-15一的 13:57 +0100，Jan Kara写道：
> On Fri 12-12-08 12:48:26, Mingming Cao wrote:
> > quota: Move EXPORT_SYMBOL immediatlely next to the functions/varibles
> > From: Mingming Cao <cmm@...ibm.com>
> >
> > According to checkpatch: EXPORT_SYMBOL(foo); should immediately follow its function/variable
> >
> > Updated with KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> compile fix.
> >
> > Signed-off-by: Mingming Cao <cmm@...ibm.com>
> This patch does not reflect the changes that are in linux-next (and thus
> in -mm kernels) due to OCFS2. Please refresh the patch with them. Thanks.
>
I didn't aware linux-next has quota related patches, I noticed now
2.6.28 should have the patch you are refering to and all the 64 bit
quota patches. I will update the patches to against latest mm tree.
Mingming
> Honza
> > ---
> > fs/dquot.c | 69 ++++++++++++++++++++++++++++++-------------------------------
> > 1 file changed, 34 insertions(+), 35 deletions(-)
> >
> > Index: linux-2.6.28-rc2/fs/dquot.c
> > ===================================================================
> > --- linux-2.6.28-rc2.orig/fs/dquot.c 2008-12-12 12:21:49.000000000 -0800
> > +++ linux-2.6.28-rc2/fs/dquot.c 2008-12-12 12:35:36.000000000 -0800
> > @@ -127,6 +127,7 @@
> >
> > static DEFINE_SPINLOCK(dq_list_lock);
> > DEFINE_SPINLOCK(dq_data_lock);
> > +EXPORT_SYMBOL(dq_data_lock);
> >
> > static char *quotatypes[] = INITQFNAMES;
> > static struct quota_format_type *quota_formats; /* List of registered formats */
> > @@ -143,6 +144,7 @@ int register_quota_format(struct quota_f
> > spin_unlock(&dq_list_lock);
> > return 0;
> > }
> > +EXPORT_SYMBOL(register_quota_format);
> >
> > void unregister_quota_format(struct quota_format_type *fmt)
> > {
> > @@ -154,6 +156,7 @@ void unregister_quota_format(struct quot
> > *actqf = (*actqf)->qf_next;
> > spin_unlock(&dq_list_lock);
> > }
> > +EXPORT_SYMBOL(unregister_quota_format);
> >
> > static struct quota_format_type *find_quota_format(int id)
> > {
> > @@ -210,6 +213,7 @@ static unsigned int dq_hash_bits, dq_has
> > static struct hlist_head *dquot_hash;
> >
> > struct dqstats dqstats;
> > +EXPORT_SYMBOL(dqstats);
> >
> > static void dqput(struct dquot *dquot);
> >
> > @@ -306,6 +310,7 @@ int dquot_mark_dquot_dirty(struct dquot
> > spin_unlock(&dq_list_lock);
> > return 0;
> > }
> > +EXPORT_SYMBOL(dquot_mark_dquot_dirty);
> >
> > /* This function needs dq_list_lock */
> > static inline int clear_dquot_dirty(struct dquot *dquot)
> > @@ -357,6 +362,7 @@ out_iolock:
> > mutex_unlock(&dquot->dq_lock);
> > return ret;
> > }
> > +EXPORT_SYMBOL(dquot_acquire);
> >
> > /*
> > * Write dquot to disk
> > @@ -386,6 +392,7 @@ out_sem:
> > mutex_unlock(&dqopt->dqio_mutex);
> > return ret;
> > }
> > +EXPORT_SYMBOL(dquot_commit);
> >
> > /*
> > * Release dquot
> > @@ -414,6 +421,7 @@ out_dqlock:
> > mutex_unlock(&dquot->dq_lock);
> > return ret;
> > }
> > +EXPORT_SYMBOL(dquot_release);
> >
> > static void destroy_dquot(struct dquot *dquot)
> > {
> > @@ -522,6 +530,7 @@ int vfs_quota_sync(struct super_block *s
> >
> > return 0;
> > }
> > +EXPORT_SYMBOL(vfs_quota_sync);
> >
> > /* Free unused dquots from cache */
> > static void prune_dqcache(int count)
> > @@ -1200,6 +1209,7 @@ out_err:
> > up_write(&sb_dqopt(inode->i_sb)->dqptr_sem);
> > return ret;
> > }
> > +EXPORT_SYMBOL(dquot_initialize);
> >
> > /*
> > * Release all quotas referenced by inode
> > @@ -1219,6 +1229,7 @@ int dquot_drop(struct inode *inode)
> > up_write(&sb_dqopt(inode->i_sb)->dqptr_sem);
> > return 0;
> > }
> > +EXPORT_SYMBOL(dquot_drop);
> >
> > /* Wrapper to remove references to quota structures from inode */
> > void vfs_dq_drop(struct inode *inode)
> > @@ -1241,6 +1252,7 @@ void vfs_dq_drop(struct inode *inode)
> > inode->i_sb->dq_op->drop(inode);
> > }
> > }
> > +EXPORT_SYMBOL(vfs_dq_drop);
> >
> > /*
> > * Following four functions update i_blocks+i_bytes fields and
> > @@ -1317,6 +1329,7 @@ out_unlock:
> > out:
> > return ret;
> > }
> > +EXPORT_SYMBOL(dquot_alloc_space);
> >
> > int dquot_reserve_space(struct inode *inode, qsize_t number, int warn)
> > {
> > @@ -1335,6 +1348,7 @@ out_unlock:
> > out:
> > return ret;
> > }
> > +EXPORT_SYMBOL(dquot_reserve_space);
> >
> > int dquot_claim_space(struct inode *inode, qsize_t number)
> > {
> > @@ -1371,6 +1385,7 @@ int dquot_claim_space(struct inode *inod
> > out:
> > return ret;
> > }
> > +EXPORT_SYMBOL(dquot_claim_space);
> >
> > /*
> > * Release reserved quota space
> > @@ -1402,6 +1417,7 @@ out_unlock:
> > out:
> > return;
> > }
> > +EXPORT_SYMBOL(dquot_release_reserved_space);
> >
> > /*
> > * This operation can block, but only after everything is updated
> > @@ -1447,6 +1463,7 @@ warn_put_all:
> > up_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
> > return ret;
> > }
> > +EXPORT_SYMBOL(dquot_alloc_inode);
> >
> > /*
> > * This operation can block, but only after everything is updated
> > @@ -1487,6 +1504,7 @@ out_sub:
> > up_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
> > return QUOTA_OK;
> > }
> > +EXPORT_SYMBOL(dquot_free_space);
> >
> > /*
> > * This operation can block, but only after everything is updated
> > @@ -1523,6 +1541,7 @@ int dquot_free_inode(const struct inode
> > up_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
> > return QUOTA_OK;
> > }
> > +EXPORT_SYMBOL(dquot_free_inode);
> >
> > /*
> > * Transfer the number of inode and blocks from one diskquota to an other.
> > @@ -1640,6 +1659,7 @@ warn_put_all:
> > up_write(&sb_dqopt(inode->i_sb)->dqptr_sem);
> > return ret;
> > }
> > +EXPORT_SYMBOL(dquot_transfer);
> >
> > /* Wrapper for transferring ownership of an inode */
> > int vfs_dq_transfer(struct inode *inode, struct iattr *iattr)
> > @@ -1651,7 +1671,7 @@ int vfs_dq_transfer(struct inode *inode,
> > }
> > return 0;
> > }
> > -
> > +EXPORT_SYMBOL(vfs_dq_transfer);
> >
> > /*
> > * Write info of quota file to disk
> > @@ -1666,6 +1686,7 @@ int dquot_commit_info(struct super_block
> > mutex_unlock(&dqopt->dqio_mutex);
> > return ret;
> > }
> > +EXPORT_SYMBOL(dquot_commit_info);
> >
> > /*
> > * Definitions of diskquota operations.
> > @@ -1811,12 +1832,14 @@ put_inodes:
> > }
> > return ret;
> > }
> > +EXPORT_SYMBOL(vfs_quota_disable);
> >
> > int vfs_quota_off(struct super_block *sb, int type, int remount)
> > {
> > return vfs_quota_disable(sb, type, remount ? DQUOT_SUSPENDED :
> > (DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED));
> > }
> > +EXPORT_SYMBOL(vfs_quota_off);
> >
> > /*
> > * Turn quotas on on a device
> > @@ -1954,6 +1977,7 @@ static int vfs_quota_on_remount(struct s
> >
> > return ret;
> > }
> > +EXPORT_SYMBOL(vfs_quota_on_remount);
> >
> > int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
> > struct path *path)
> > @@ -1970,6 +1994,7 @@ int vfs_quota_on_path(struct super_block
> > DQUOT_LIMITS_ENABLED);
> > return error;
> > }
> > +EXPORT_SYMBOL(vfs_quota_on_path);
> >
> > int vfs_quota_on(struct super_block *sb, int type, int format_id, char *name,
> > int remount)
> > @@ -1987,6 +2012,7 @@ int vfs_quota_on(struct super_block *sb,
> > }
> > return error;
> > }
> > +EXPORT_SYMBOL(vfs_quota_on);
> >
> > /*
> > * More powerful function for turning on quotas allowing setting
> > @@ -2031,6 +2057,7 @@ out_lock:
> > load_quota:
> > return vfs_load_quota_inode(inode, type, format_id, flags);
> > }
> > +EXPORT_SYMBOL(vfs_quota_enable);
> >
> > /*
> > * This function is used when filesystem needs to initialize quotas
> > @@ -2060,6 +2087,7 @@ out:
> > dput(dentry);
> > return error;
> > }
> > +EXPORT_SYMBOL(vfs_quota_on_mount);
> >
> > /* Wrapper to turn on quotas when remounting rw */
> > int vfs_dq_quota_on_remount(struct super_block *sb)
> > @@ -2076,6 +2104,7 @@ int vfs_dq_quota_on_remount(struct super
> > }
> > return ret;
> > }
> > +EXPORT_SYMBOL(vfs_dq_quota_on_remount);
> >
> > static inline qsize_t qbtos(qsize_t blocks)
> > {
> > @@ -2119,6 +2148,7 @@ int vfs_get_dqblk(struct super_block *sb
> > mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
> > return 0;
> > }
> > +EXPORT_SYMBOL(vfs_get_dqblk);
> >
> > /* Generic routine for setting common part of quota structure */
> > static int do_set_dqblk(struct dquot *dquot, struct if_dqblk *di)
> > @@ -2202,6 +2232,7 @@ out:
> > mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
> > return rc;
> > }
> > +EXPORT_SYMBOL(vfs_set_dqblk);
> >
> > /* Generic routine for getting common part of quota file information */
> > int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii)
> > @@ -2223,6 +2254,7 @@ int vfs_get_dqinfo(struct super_block *s
> > mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
> > return 0;
> > }
> > +EXPORT_SYMBOL(vfs_get_dqinfo);
> >
> > /* Generic routine for setting common part of quota file information */
> > int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii)
> > @@ -2251,6 +2283,7 @@ out:
> > mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
> > return err;
> > }
> > +EXPORT_SYMBOL(vfs_set_dqinfo);
> >
> > struct quotactl_ops vfs_quotactl_ops = {
> > .quota_on = vfs_quota_on,
> > @@ -2406,37 +2439,3 @@ static int __init dquot_init(void)
> > return 0;
> > }
> > module_init(dquot_init);
> > -
> > -EXPORT_SYMBOL(register_quota_format);
> > -EXPORT_SYMBOL(unregister_quota_format);
> > -EXPORT_SYMBOL(dqstats);
> > -EXPORT_SYMBOL(dq_data_lock);
> > -EXPORT_SYMBOL(vfs_quota_enable);
> > -EXPORT_SYMBOL(vfs_quota_on);
> > -EXPORT_SYMBOL(vfs_quota_on_path);
> > -EXPORT_SYMBOL(vfs_quota_on_mount);
> > -EXPORT_SYMBOL(vfs_quota_disable);
> > -EXPORT_SYMBOL(vfs_quota_off);
> > -EXPORT_SYMBOL(vfs_quota_sync);
> > -EXPORT_SYMBOL(vfs_get_dqinfo);
> > -EXPORT_SYMBOL(vfs_set_dqinfo);
> > -EXPORT_SYMBOL(vfs_get_dqblk);
> > -EXPORT_SYMBOL(vfs_set_dqblk);
> > -EXPORT_SYMBOL(dquot_commit);
> > -EXPORT_SYMBOL(dquot_commit_info);
> > -EXPORT_SYMBOL(dquot_acquire);
> > -EXPORT_SYMBOL(dquot_release);
> > -EXPORT_SYMBOL(dquot_mark_dquot_dirty);
> > -EXPORT_SYMBOL(dquot_initialize);
> > -EXPORT_SYMBOL(dquot_drop);
> > -EXPORT_SYMBOL(vfs_dq_drop);
> > -EXPORT_SYMBOL(dquot_alloc_space);
> > -EXPORT_SYMBOL(dquot_alloc_inode);
> > -EXPORT_SYMBOL(dquot_free_space);
> > -EXPORT_SYMBOL(dquot_free_inode);
> > -EXPORT_SYMBOL(dquot_reserve_space);
> > -EXPORT_SYMBOL(dquot_claim_space);
> > -EXPORT_SYMBOL(dquot_release_reserved_space);
> > -EXPORT_SYMBOL(dquot_transfer);
> > -EXPORT_SYMBOL(vfs_dq_transfer);
> > -EXPORT_SYMBOL(vfs_dq_quota_on_remount);
> >
> >
--
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