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author | Christoph Hellwig <hch@lst.de> | 2018-04-13 19:44:18 +0200 |
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committer | Christoph Hellwig <hch@lst.de> | 2018-05-16 07:23:35 +0200 |
commit | fddda2b7b521185f3aa018f9559eb33b0aee53a9 (patch) | |
tree | ece18b3d82822f8eaefd8b0afa2f93307e83b253 /kernel/sched | |
parent | proc: add a proc_create_reg helper (diff) | |
download | linux-fddda2b7b521185f3aa018f9559eb33b0aee53a9.tar.xz linux-fddda2b7b521185f3aa018f9559eb33b0aee53a9.zip |
proc: introduce proc_create_seq{,_data}
Variants of proc_create{,_data} that directly take a struct seq_operations
argument and drastically reduces the boilerplate code in the callers.
All trivial callers converted over.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'kernel/sched')
-rw-r--r-- | kernel/sched/debug.c | 28 | ||||
-rw-r--r-- | kernel/sched/stats.c | 15 |
2 files changed, 2 insertions, 41 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 15b10e210a6b..e593b4118578 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -823,35 +823,9 @@ static const struct seq_operations sched_debug_sops = { .show = sched_debug_show, }; -static int sched_debug_release(struct inode *inode, struct file *file) -{ - seq_release(inode, file); - - return 0; -} - -static int sched_debug_open(struct inode *inode, struct file *filp) -{ - int ret = 0; - - ret = seq_open(filp, &sched_debug_sops); - - return ret; -} - -static const struct file_operations sched_debug_fops = { - .open = sched_debug_open, - .read = seq_read, - .llseek = seq_lseek, - .release = sched_debug_release, -}; - static int __init init_sched_debug_procfs(void) { - struct proc_dir_entry *pe; - - pe = proc_create("sched_debug", 0444, NULL, &sched_debug_fops); - if (!pe) + if (!proc_create_seq("sched_debug", 0444, NULL, &sched_debug_sops)) return -ENOMEM; return 0; } diff --git a/kernel/sched/stats.c b/kernel/sched/stats.c index ab112cbfd7c8..750fb3c67eed 100644 --- a/kernel/sched/stats.c +++ b/kernel/sched/stats.c @@ -120,22 +120,9 @@ static const struct seq_operations schedstat_sops = { .show = show_schedstat, }; -static int schedstat_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &schedstat_sops); -} - -static const struct file_operations proc_schedstat_operations = { - .open = schedstat_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - static int __init proc_schedstat_init(void) { - proc_create("schedstat", 0, NULL, &proc_schedstat_operations); - + proc_create_seq("schedstat", 0, NULL, &schedstat_sops); return 0; } subsys_initcall(proc_schedstat_init); |