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Date: Wed, 25 Apr 2018 17:48:17 +0200 From: Christoph Hellwig <hch@....de> To: Andrew Morton <akpm@...ux-foundation.org>, Alexander Viro <viro@...iv.linux.org.uk> Cc: Alexey Dobriyan <adobriyan@...il.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Jiri Slaby <jslaby@...e.com>, Alessandro Zummo <a.zummo@...ertech.it>, Alexandre Belloni <alexandre.belloni@...tlin.com>, linux-acpi@...r.kernel.org, drbd-dev@...ts.linbit.com, linux-ide@...r.kernel.org, netdev@...r.kernel.org, linux-rtc@...r.kernel.org, megaraidlinux.pdl@...adcom.com, linux-scsi@...r.kernel.org, devel@...verdev.osuosl.org, linux-afs@...ts.infradead.org, linux-ext4@...r.kernel.org, jfs-discussion@...ts.sourceforge.net, netfilter-devel@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH 30/40] neigh: switch to proc_create_seq_data And use proc private data directly instead of doing a detour through seq->private. Signed-off-by: Christoph Hellwig <hch@....de> --- net/core/neighbour.c | 31 ++++++------------------------- 1 file changed, 6 insertions(+), 25 deletions(-) diff --git a/net/core/neighbour.c b/net/core/neighbour.c index ce519861be59..1fb43bff417d 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -59,7 +59,7 @@ static int pneigh_ifdown_and_unlock(struct neigh_table *tbl, struct net_device *dev); #ifdef CONFIG_PROC_FS -static const struct file_operations neigh_stat_seq_fops; +static const struct seq_operations neigh_stat_seq_ops; #endif /* @@ -1558,8 +1558,8 @@ void neigh_table_init(int index, struct neigh_table *tbl) panic("cannot create neighbour cache statistics"); #ifdef CONFIG_PROC_FS - if (!proc_create_data(tbl->id, 0, init_net.proc_net_stat, - &neigh_stat_seq_fops, tbl)) + if (!proc_create_seq_data(tbl->id, 0, init_net.proc_net_stat, + &neigh_stat_seq_ops, tbl)) panic("cannot create neighbour proc dir entry"); #endif @@ -2786,7 +2786,7 @@ EXPORT_SYMBOL(neigh_seq_stop); static void *neigh_stat_seq_start(struct seq_file *seq, loff_t *pos) { - struct neigh_table *tbl = seq->private; + struct neigh_table *tbl = PDE_DATA(file_inode(seq->file)); int cpu; if (*pos == 0) @@ -2803,7 +2803,7 @@ static void *neigh_stat_seq_start(struct seq_file *seq, loff_t *pos) static void *neigh_stat_seq_next(struct seq_file *seq, void *v, loff_t *pos) { - struct neigh_table *tbl = seq->private; + struct neigh_table *tbl = PDE_DATA(file_inode(seq->file)); int cpu; for (cpu = *pos; cpu < nr_cpu_ids; ++cpu) { @@ -2822,7 +2822,7 @@ static void neigh_stat_seq_stop(struct seq_file *seq, void *v) static int neigh_stat_seq_show(struct seq_file *seq, void *v) { - struct neigh_table *tbl = seq->private; + struct neigh_table *tbl = PDE_DATA(file_inode(seq->file)); struct neigh_statistics *st = v; if (v == SEQ_START_TOKEN) { @@ -2861,25 +2861,6 @@ static const struct seq_operations neigh_stat_seq_ops = { .stop = neigh_stat_seq_stop, .show = neigh_stat_seq_show, }; - -static int neigh_stat_seq_open(struct inode *inode, struct file *file) -{ - int ret = seq_open(file, &neigh_stat_seq_ops); - - if (!ret) { - struct seq_file *sf = file->private_data; - sf->private = PDE_DATA(inode); - } - return ret; -}; - -static const struct file_operations neigh_stat_seq_fops = { - .open = neigh_stat_seq_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - #endif /* CONFIG_PROC_FS */ static inline size_t neigh_nlmsg_size(void) -- 2.17.0
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