Messages in this thread Patch in this message | | | Subject | [PATCH 11/23] proc: Move proc_maps_operations into task_mmu.c | From | (Eric W. Biederman) | Date | Thu, 23 Feb 2006 09:12:52 -0700 |
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All of the functions for proc_maps_operations are already defined in task_mmu.c so move the operations structure to keep the functionality together.
Since task_nommu.c implements a dummy version of /proc/<pid>/maps give it a simplified version of proc_maps_operations that it can modify to best suit its needs.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
fs/proc/base.c | 61 -------------------------------------------------- fs/proc/internal.h | 4 +++ fs/proc/task_mmu.c | 54 ++++++++++++++++++++++++++++++++++++++++++-- fs/proc/task_nommu.c | 21 ++++++++++++++++- 4 files changed, 75 insertions(+), 65 deletions(-)
b5c8957160dd4dd4a680f3bc99cdcda6af7bf1de diff --git a/fs/proc/base.c b/fs/proc/base.c index 1a39258..4bdc859 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -489,67 +489,6 @@ static int proc_oom_score(struct task_st /* Here the fs part begins */ /************************************************************************/ -extern struct seq_operations proc_pid_maps_op; -static int maps_open(struct inode *inode, struct file *file) -{ - struct task_struct *task = proc_task(inode); - int ret = seq_open(file, &proc_pid_maps_op); - if (!ret) { - struct seq_file *m = file->private_data; - m->private = task; - } - return ret; -} - -static struct file_operations proc_maps_operations = { - .open = maps_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - -#ifdef CONFIG_NUMA -extern struct seq_operations proc_pid_numa_maps_op; -static int numa_maps_open(struct inode *inode, struct file *file) -{ - struct task_struct *task = proc_task(inode); - int ret = seq_open(file, &proc_pid_numa_maps_op); - if (!ret) { - struct seq_file *m = file->private_data; - m->private = task; - } - return ret; -} - -static struct file_operations proc_numa_maps_operations = { - .open = numa_maps_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; -#endif - -#ifdef CONFIG_MMU -extern struct seq_operations proc_pid_smaps_op; -static int smaps_open(struct inode *inode, struct file *file) -{ - struct task_struct *task = proc_task(inode); - int ret = seq_open(file, &proc_pid_smaps_op); - if (!ret) { - struct seq_file *m = file->private_data; - m->private = task; - } - return ret; -} - -static struct file_operations proc_smaps_operations = { - .open = smaps_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; -#endif - extern struct seq_operations mounts_op; struct proc_mounts { struct seq_file m; diff --git a/fs/proc/internal.h b/fs/proc/internal.h index 8ea21d3..ac95bfc 100644 --- a/fs/proc/internal.h +++ b/fs/proc/internal.h @@ -37,6 +37,10 @@ extern int proc_tgid_stat(struct task_st extern int proc_pid_status(struct task_struct *, char *); extern int proc_pid_statm(struct task_struct *, char *); +extern struct file_operations proc_maps_operations; +extern struct file_operations proc_numa_maps_operations; +extern struct file_operations proc_smaps_operations; + void free_proc_entry(struct proc_dir_entry *de); int proc_init_inodecache(void); diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 0eaad41..56cd932 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -375,27 +375,75 @@ static void *m_next(struct seq_file *m, return (vma != tail_vma)? tail_vma: NULL; } -struct seq_operations proc_pid_maps_op = { +static struct seq_operations proc_pid_maps_op = { .start = m_start, .next = m_next, .stop = m_stop, .show = show_map }; -struct seq_operations proc_pid_smaps_op = { +static struct seq_operations proc_pid_smaps_op = { .start = m_start, .next = m_next, .stop = m_stop, .show = show_smap }; +static int do_maps_open(struct inode *inode, struct file *file, + struct seq_operations *ops) +{ + struct task_struct *task = proc_task(inode); + int ret = seq_open(file, ops); + if (!ret) { + struct seq_file *m = file->private_data; + m->private = task; + } + return ret; +} + +static int maps_open(struct inode *inode, struct file *file) +{ + return do_maps_open(inode, file, &proc_pid_maps_op); +} + +struct file_operations proc_maps_operations = { + .open = maps_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; + #ifdef CONFIG_NUMA extern int show_numa_map(struct seq_file *m, void *v); -struct seq_operations proc_pid_numa_maps_op = { +static struct seq_operations proc_pid_numa_maps_op = { .start = m_start, .next = m_next, .stop = m_stop, .show = show_numa_map }; + +static int numa_maps_open(struct inode *inode, struct file *file) +{ + return do_maps_open(inode, file, &proc_pid_numa_maps_op); +} + +struct file_operations proc_numa_maps_operations = { + .open = numa_maps_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; #endif + +static int smaps_open(struct inode *inode, struct file *file) +{ + return do_maps_open(inode, file, &proc_pid_smaps_op); +} + +struct file_operations proc_smaps_operations = { + .open = smaps_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c index 8f68827..af69f28 100644 --- a/fs/proc/task_nommu.c +++ b/fs/proc/task_nommu.c @@ -156,9 +156,28 @@ static void *m_next(struct seq_file *m, { return NULL; } -struct seq_operations proc_pid_maps_op = { +static struct seq_operations proc_pid_maps_op = { .start = m_start, .next = m_next, .stop = m_stop, .show = show_map }; + +static int maps_open(struct inode *inode, struct file *file) +{ + int ret; + ret = seq_open(file, &proc_pid_maps_op); + if (!ret) { + struct seq_file *m = file->private_data; + m->private = NULL; + } + return ret; +} + +struct file_operations proc_maps_operations = { + .open = maps_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; + -- 1.2.2.g709a - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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