diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-06-04 10:00:01 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-06-04 10:00:01 -0700 |
commit | cf626b0da78df6669c6b5f51ddd9a70a0702e579 (patch) | |
tree | 45d29a4cb7574aed7f140814ed22088ded21c291 /fs | |
parent | 9c50eafc32ddbd166c8a2bbaecd4ad201c452b14 (diff) | |
parent | 5ef03dbd91855544cd4c7c1910c3ef5226ee87e8 (diff) |
Merge branch 'hch.procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull procfs updates from Al Viro:
"Christoph's proc_create_... cleanups series"
* 'hch.procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (44 commits)
xfs, proc: hide unused xfs procfs helpers
isdn/gigaset: add back gigaset_procinfo assignment
proc: update SIZEOF_PDE_INLINE_NAME for the new pde fields
tty: replace ->proc_fops with ->proc_show
ide: replace ->proc_fops with ->proc_show
ide: remove ide_driver_proc_write
isdn: replace ->proc_fops with ->proc_show
atm: switch to proc_create_seq_private
atm: simplify procfs code
bluetooth: switch to proc_create_seq_data
netfilter/x_tables: switch to proc_create_seq_private
netfilter/xt_hashlimit: switch to proc_create_{seq,single}_data
neigh: switch to proc_create_seq_data
hostap: switch to proc_create_{seq,single}_data
bonding: switch to proc_create_seq_data
rtc/proc: switch to proc_create_single_data
drbd: switch to proc_create_single
resource: switch to proc_create_seq_data
staging/rtl8192u: simplify procfs code
jfs: simplify procfs code
...
Diffstat (limited to 'fs')
40 files changed, 298 insertions, 747 deletions
diff --git a/fs/afs/proc.c b/fs/afs/proc.c index 839a22280606..3aad32762989 100644 --- a/fs/afs/proc.c +++ b/fs/afs/proc.c @@ -62,7 +62,6 @@ static const struct file_operations afs_proc_rootcell_fops = { .llseek = no_llseek, }; -static int afs_proc_cell_volumes_open(struct inode *inode, struct file *file); static void *afs_proc_cell_volumes_start(struct seq_file *p, loff_t *pos); static void *afs_proc_cell_volumes_next(struct seq_file *p, void *v, loff_t *pos); @@ -76,15 +75,6 @@ static const struct seq_operations afs_proc_cell_volumes_ops = { .show = afs_proc_cell_volumes_show, }; -static const struct file_operations afs_proc_cell_volumes_fops = { - .open = afs_proc_cell_volumes_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - -static int afs_proc_cell_vlservers_open(struct inode *inode, - struct file *file); static void *afs_proc_cell_vlservers_start(struct seq_file *p, loff_t *pos); static void *afs_proc_cell_vlservers_next(struct seq_file *p, void *v, loff_t *pos); @@ -98,14 +88,6 @@ static const struct seq_operations afs_proc_cell_vlservers_ops = { .show = afs_proc_cell_vlservers_show, }; -static const struct file_operations afs_proc_cell_vlservers_fops = { - .open = afs_proc_cell_vlservers_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - -static int afs_proc_servers_open(struct inode *inode, struct file *file); static void *afs_proc_servers_start(struct seq_file *p, loff_t *pos); static void *afs_proc_servers_next(struct seq_file *p, void *v, loff_t *pos); @@ -119,13 +101,6 @@ static const struct seq_operations afs_proc_servers_ops = { .show = afs_proc_servers_show, }; -static const struct file_operations afs_proc_servers_fops = { - .open = afs_proc_servers_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - static int afs_proc_sysname_open(struct inode *inode, struct file *file); static int afs_proc_sysname_release(struct inode *inode, struct file *file); static void *afs_proc_sysname_start(struct seq_file *p, loff_t *pos); @@ -152,7 +127,7 @@ static const struct file_operations afs_proc_sysname_fops = { .write = afs_proc_sysname_write, }; -static const struct file_operations afs_proc_stats_fops; +static int afs_proc_stats_show(struct seq_file *m, void *v); /* * initialise the /proc/fs/afs/ directory @@ -167,8 +142,8 @@ int afs_proc_init(struct afs_net *net) if (!proc_create("cells", 0644, net->proc_afs, &afs_proc_cells_fops) || !proc_create("rootcell", 0644, net->proc_afs, &afs_proc_rootcell_fops) || - !proc_create("servers", 0644, net->proc_afs, &afs_proc_servers_fops) || - !proc_create("stats", 0644, net->proc_afs, &afs_proc_stats_fops) || + !proc_create_seq("servers", 0644, net->proc_afs, &afs_proc_servers_ops) || + !proc_create_single("stats", 0644, net->proc_afs, afs_proc_stats_show) || !proc_create("sysname", 0644, net->proc_afs, &afs_proc_sysname_fops)) goto error_tree; @@ -196,16 +171,7 @@ void afs_proc_cleanup(struct afs_net *net) */ static int afs_proc_cells_open(struct inode *inode, struct file *file) { - struct seq_file *m; - int ret; - - ret = seq_open(file, &afs_proc_cells_ops); - if (ret < 0) - return ret; - - m = file->private_data; - m->private = PDE_DATA(inode); - return 0; + return seq_open(file, &afs_proc_cells_ops); } /* @@ -430,10 +396,11 @@ int afs_proc_cell_setup(struct afs_net *net, struct afs_cell *cell) if (!dir) goto error_dir; - if (!proc_create_data("vlservers", 0, dir, - &afs_proc_cell_vlservers_fops, cell) || - !proc_create_data("volumes", 0, dir, - &afs_proc_cell_volumes_fops, cell)) + if (!proc_create_seq_data("vlservers", 0, dir, + &afs_proc_cell_vlservers_ops, cell)) + goto error_tree; + if (!proc_create_seq_data("volumes", 0, dir, &afs_proc_cell_volumes_ops, + cell)) goto error_tree; _leave(" = 0"); @@ -459,36 +426,13 @@ void afs_proc_cell_remove(struct afs_net *net, struct afs_cell *cell) } /* - * open "/proc/fs/afs/<cell>/volumes" which provides a summary of extant cells - */ -static int afs_proc_cell_volumes_open(struct inode *inode, struct file *file) -{ - struct afs_cell *cell; - struct seq_file *m; - int ret; - - cell = PDE_DATA(inode); - if (!cell) - return -ENOENT; - - ret = seq_open(file, &afs_proc_cell_volumes_ops); - if (ret < 0) - return ret; - - m = file->private_data; - m->private = cell; - - return 0; -} - -/* * set up the iterator to start reading from the cells list and return the * first item */ static void *afs_proc_cell_volumes_start(struct seq_file *m, loff_t *_pos) __acquires(cell->proc_lock) { - struct afs_cell *cell = m->private; + struct afs_cell *cell = PDE_DATA(file_inode(m->file)); _enter("cell=%p pos=%Ld", cell, *_pos); @@ -502,7 +446,7 @@ static void *afs_proc_cell_volumes_start(struct seq_file *m, loff_t *_pos) static void *afs_proc_cell_volumes_next(struct seq_file *p, void *v, loff_t *_pos) { - struct afs_cell *cell = p->private; + struct afs_cell *cell = PDE_DATA(file_inode(p->file)); _enter("cell=%p pos=%Ld", cell, *_pos); return seq_list_next(v, &cell->proc_volumes, _pos); @@ -514,7 +458,7 @@ static void *afs_proc_cell_volumes_next(struct seq_file *p, void *v, static void afs_proc_cell_volumes_stop(struct seq_file *p, void *v) __releases(cell->proc_lock) { - struct afs_cell *cell = p->private; + struct afs_cell *cell = PDE_DATA(file_inode(p->file)); read_unlock(&cell->proc_lock); } @@ -530,7 +474,7 @@ static const char afs_vol_types[3][3] = { */ static int afs_proc_cell_volumes_show(struct seq_file *m, void *v) { - struct afs_cell *cell = m->private; + struct afs_cell *cell = PDE_DATA(file_inode(m->file)); struct afs_volume *vol = list_entry(v, struct afs_volume, proc_link); /* Display header on line 1 */ @@ -547,30 +491,6 @@ static int afs_proc_cell_volumes_show(struct seq_file *m, void *v) } /* - * open "/proc/fs/afs/<cell>/vlservers" which provides a list of volume - * location server - */ -static int afs_proc_cell_vlservers_open(struct inode *inode, struct file *file) -{ - struct afs_cell *cell; - struct seq_file *m; - int ret; - - cell = PDE_DATA(inode); - if (!cell) - return -ENOENT; - - ret = seq_open(file, &afs_proc_cell_vlservers_ops); - if (ret<0) - return ret; - - m = file->private_data; - m->private = cell; - - return 0; -} - -/* * set up the iterator to start reading from the cells list and return the * first item */ @@ -578,7 +498,7 @@ static void *afs_proc_cell_vlservers_start(struct seq_file *m, loff_t *_pos) __acquires(rcu) { struct afs_addr_list *alist; - struct afs_cell *cell = m->private; + struct afs_cell *cell = PDE_DATA(file_inode(m->file)); loff_t pos = *_pos; rcu_read_lock(); @@ -603,7 +523,7 @@ static void *afs_proc_cell_vlservers_next(struct seq_file *p, void *v, loff_t *_pos) { struct afs_addr_list *alist; - struct afs_cell *cell = p->private; + struct afs_cell *cell = PDE_DATA(file_inode(p->file)); loff_t pos; alist = rcu_dereference(cell->vl_addrs); @@ -644,15 +564,6 @@ static int afs_proc_cell_vlservers_show(struct seq_file *m, void *v) } /* - * open "/proc/fs/afs/servers" which provides a summary of active - * servers - */ -static int afs_proc_servers_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &afs_proc_servers_ops); -} - -/* * Set up the iterator to start reading from the server list and return the * first item. */ @@ -931,18 +842,3 @@ static int afs_proc_stats_show(struct seq_file *m, void *v) atomic_long_read(&net->n_store_bytes)); return 0; } - -/* - * Open "/proc/fs/afs/stats" to allow reading of the stat counters. - */ -static int afs_proc_stats_open(struct inode *inode, struct file *file) -{ - return single_open(file, afs_proc_stats_show, NULL); -} - -static const struct file_operations afs_proc_stats_fops = { - .open = afs_proc_stats_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; diff --git a/fs/cachefiles/proc.c b/fs/cachefiles/proc.c index 125b90f6c796..0ce1aa56b67f 100644 --- a/fs/cachefiles/proc.c +++ b/fs/cachefiles/proc.c @@ -85,21 +85,6 @@ static const struct seq_operations cachefiles_histogram_ops = { }; /* - * open "/proc/fs/cachefiles/XXX" which provide statistics summaries - */ -static int cachefiles_histogram_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &cachefiles_histogram_ops); -} - -static const struct file_operations cachefiles_histogram_fops = { - .open = cachefiles_histogram_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - -/* * initialise the /proc/fs/cachefiles/ directory */ int __init cachefiles_proc_init(void) @@ -109,8 +94,8 @@ int __init cachefiles_proc_init(void) if (!proc_mkdir("fs/cachefiles", NULL)) goto error_dir; - if (!proc_create("fs/cachefiles/histogram", S_IFREG | 0444, NULL, - &cachefiles_histogram_fops)) + if (!proc_create_seq("fs/cachefiles/histogram", S_IFREG | 0444, NULL, + &cachefiles_histogram_ops)) goto error_histogram; _leave(" = 0"); diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index 9d69ea433330..4bc4a7ac61d9 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -314,18 +314,6 @@ skip_rdma: return 0; } -static int cifs_debug_data_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, cifs_debug_data_proc_show, NULL); -} - -static const struct file_operations cifs_debug_data_proc_fops = { - .open = cifs_debug_data_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - #ifdef CONFIG_CIFS_STATS static ssize_t cifs_stats_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) @@ -497,7 +485,8 @@ cifs_proc_init(void) if (proc_fs_cifs == NULL) return; - proc_create("DebugData", 0, proc_fs_cifs, &cifs_debug_data_proc_fops); + proc_create_single("DebugData", 0, proc_fs_cifs, + cifs_debug_data_proc_show); #ifdef CONFIG_CIFS_STATS proc_create("Stats", 0, proc_fs_cifs, &cifs_stats_proc_fops); diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index a42e71203e53..229ea4da6785 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2390,7 +2390,7 @@ extern int ext4_init_inode_table(struct super_block *sb, extern void ext4_end_bitmap_read(struct buffer_head *bh, int uptodate); /* mballoc.c */ -extern const struct file_operations ext4_seq_mb_groups_fops; +extern const struct seq_operations ext4_mb_seq_groups_ops; extern long ext4_mb_stats; extern long ext4_mb_max_to_scan; extern int ext4_mb_init(struct super_block *); diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 769a62708b1c..6884e81c1465 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2254,7 +2254,7 @@ out: static void *ext4_mb_seq_groups_start(struct seq_file *seq, loff_t *pos) { - struct super_block *sb = seq->private; + struct super_block *sb = PDE_DATA(file_inode(seq->file)); ext4_group_t group; if (*pos < 0 || *pos >= ext4_get_groups_count(sb)) @@ -2265,7 +2265,7 @@ static void *ext4_mb_seq_groups_start(struct seq_file *seq, loff_t *pos) static void *ext4_mb_seq_groups_next(struct seq_file *seq, void *v, loff_t *pos) { - struct super_block *sb = seq->private; + struct super_block *sb = PDE_DATA(file_inode(seq->file)); ext4_group_t group; ++*pos; @@ -2277,7 +2277,7 @@ static void *ext4_mb_seq_groups_next(struct seq_file *seq, void *v, loff_t *pos) static int ext4_mb_seq_groups_show(struct seq_file *seq, void *v) { - struct super_block *sb = seq->private; + struct super_block *sb = PDE_DATA(file_inode(seq->file)); ext4_group_t group = (ext4_group_t) ((unsigned long) v); int i; int err, buddy_loaded = 0; @@ -2330,34 +2330,13 @@ static void ext4_mb_seq_groups_stop(struct seq_file *seq, void *v) { } -static const struct seq_operations ext4_mb_seq_groups_ops = { +const struct seq_operations ext4_mb_seq_groups_ops = { .start = ext4_mb_seq_groups_start, .next = ext4_mb_seq_groups_next, .stop = ext4_mb_seq_groups_stop, .show = ext4_mb_seq_groups_show, }; -static int ext4_mb_seq_groups_open(struct inode *inode, struct file *file) -{ - struct super_block *sb = PDE_DATA(inode); - int rc; - - rc = seq_open(file, &ext4_mb_seq_groups_ops); - if (rc == 0) { - struct seq_file *m = file->private_data; - m->private = sb; - } - return rc; - -} - -const struct file_operations ext4_seq_mb_groups_fops = { - .open = ext4_mb_seq_groups_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - static struct kmem_cache *get_groupinfo_cache(int blocksize_bits) { int cache_index = blocksize_bits - EXT4_MIN_BLOCK_LOG_SIZE; diff --git a/fs/ext4/sysfs.c b/fs/ext4/sysfs.c index 9ebd26c957c2..f34da0bb8f17 100644 --- a/fs/ext4/sysfs.c +++ b/fs/ext4/sysfs.c @@ -346,39 +346,9 @@ static struct kobject *ext4_root; static struct kobject *ext4_feat; -#define PROC_FILE_SHOW_DEFN(name) \ -static int name##_open(struct inode *inode, struct file *file) \ -{ \ - return single_open(file, ext4_seq_##name##_show, PDE_DATA(inode)); \ -} \ -\ -static const struct file_operations ext4_seq_##name##_fops = { \ - .open = name##_open, \ - .read = seq_read, \ - .llseek = seq_lseek, \ - .release = single_release, \ -} - -#define PROC_FILE_LIST(name) \ - { __stringify(name), &ext4_seq_##name##_fops } - -PROC_FILE_SHOW_DEFN(es_shrinker_info); -PROC_FILE_SHOW_DEFN(options); - -static const struct ext4_proc_files { - const char *name; - const struct file_operations *fops; -} proc_files[] = { - PROC_FILE_LIST(options), - PROC_FILE_LIST(es_shrinker_info), - PROC_FILE_LIST(mb_groups), - { NULL, NULL }, -}; - int ext4_register_sysfs(struct super_block *sb) { struct ext4_sb_info *sbi = EXT4_SB(sb); - const struct ext4_proc_files *p; int err; init_completion(&sbi->s_kobj_unregister); @@ -392,11 +362,14 @@ int ext4_register_sysfs(struct super_block *sb) if (ext4_proc_root) sbi->s_proc = proc_mkdir(sb->s_id, ext4_proc_root); - if (sbi->s_proc) { - for (p = proc_files; p->name; p++) - proc_create_data(p->name, S_IRUGO, sbi->s_proc, - p->fops, sb); + proc_create_single_data("options", S_IRUGO, sbi->s_proc, + ext4_seq_options_show, sb); + proc_create_single_data("es_shrinker_info", S_IRUGO, + sbi->s_proc, ext4_seq_es_shrinker_info_show, + sb); + proc_create_seq_data("mb_groups", S_IRUGO, sbi->s_proc, + &ext4_mb_seq_groups_ops, sb); } return 0; } @@ -404,13 +377,9 @@ int ext4_register_sysfs(struct super_block *sb) void ext4_unregister_sysfs(struct super_block *sb) { struct ext4_sb_info *sbi = EXT4_SB(sb); - const struct ext4_proc_files *p; - if (sbi->s_proc) { - for (p = proc_files; p->name; p++) - remove_proc_entry(p->name, sbi->s_proc); - remove_proc_entry(sb->s_id, ext4_proc_root); - } + if (sbi->s_proc) + remove_proc_subtree(sb->s_id, ext4_proc_root); kobject_del(&sbi->s_kobj); } diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index f33a56d6e6dd..4b47ca6296a7 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -572,23 +572,6 @@ static int iostat_info_seq_show(struct seq_file *seq, void *offset) return 0; } -#define F2FS_PROC_FILE_DEF(_name) \ -static int _name##_open_fs(struct inode *inode, struct file *file) \ -{ \ - return single_open(file, _name##_seq_show, PDE_DATA(inode)); \ -} \ - \ -static const struct file_operations f2fs_seq_##_name##_fops = { \ - .open = _name##_open_fs, \ - .read = seq_read, \ - .llseek = seq_lseek, \ - .release = single_release, \ -}; - -F2FS_PROC_FILE_DEF(segment_info); -F2FS_PROC_FILE_DEF(segment_bits); -F2FS_PROC_FILE_DEF(iostat_info); - int __init f2fs_init_sysfs(void) { int ret; @@ -632,12 +615,12 @@ int f2fs_register_sysfs(struct f2fs_sb_info *sbi) sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root); if (sbi->s_proc) { - proc_create_data("segment_info", S_IRUGO, sbi->s_proc, - &f2fs_seq_segment_info_fops, sb); - proc_create_data("segment_bits", S_IRUGO, sbi->s_proc, - &f2fs_seq_segment_bits_fops, sb); - proc_create_data("iostat_info", S_IRUGO, sbi->s_proc, - &f2fs_seq_iostat_info_fops, sb); + proc_create_single_data("segment_info", S_IRUGO, sbi->s_proc, + segment_info_seq_show, sb); + proc_create_single_data("segment_bits", S_IRUGO, sbi->s_proc, + segment_bits_seq_show, sb); + proc_create_single_data("iostat_info", S_IRUGO, sbi->s_proc, + iostat_info_seq_show, sb); } return 0; } diff --git a/fs/filesystems.c b/fs/filesystems.c index f2728a4a03a1..b03f57b1105b 100644 --- a/fs/filesystems.c +++ b/fs/filesystems.c @@ -238,21 +238,9 @@ static int filesystems_proc_show(struct seq_file *m, void *v) return 0; } -static int filesystems_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, filesystems_proc_show, NULL); -} - -static const struct file_operations filesystems_proc_fops = { - .open = filesystems_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - static int __init proc_filesystems_init(void) { - proc_create("filesystems", 0, NULL, &filesystems_proc_fops); + proc_create_single("filesystems", 0, NULL, filesystems_proc_show); return 0; } module_init(proc_filesystems_init); diff --git a/fs/fscache/histogram.c b/fs/fscache/histogram.c index 15a3d042247e..9a13e9e15b69 100644 --- a/fs/fscache/histogram.c +++ b/fs/fscache/histogram.c @@ -83,24 +83,9 @@ static void fscache_histogram_stop(struct seq_file *m, void *v) { } -static const struct seq_operations fscache_histogram_ops = { +const struct seq_operations fscache_histogram_ops = { .start = fscache_histogram_start, .stop = fscache_histogram_stop, .next = fscache_histogram_next, .show = fscache_histogram_show, }; - -/* - * open "/proc/fs/fscache/histogram" to provide latency data - */ -static int fscache_histogram_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &fscache_histogram_ops); -} - -const struct file_operations fscache_histogram_fops = { - .open = fscache_histogram_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h index 500650f938fe..f83328a7f048 100644 --- a/fs/fscache/internal.h +++ b/fs/fscache/internal.h @@ -31,6 +31,7 @@ #include <linux/fscache-cache.h> #include <trace/events/fscache.h> #include <linux/sched.h> +#include <linux/seq_file.h> #define FSCACHE_MIN_THREADS 4 #define FSCACHE_MAX_THREADS 32 @@ -84,7 +85,7 @@ static inline void fscache_hist(atomic_t histogram[], unsigned long start_jif) atomic_inc(&histogram[jif]); } -extern const struct file_operations fscache_histogram_fops; +extern const struct seq_operations fscache_histogram_ops; #else #define fscache_hist(hist, start_jif) do {} while (0) @@ -294,7 +295,7 @@ static inline void fscache_stat_d(atomic_t *stat) #define __fscache_stat(stat) (stat) -extern const struct file_operations fscache_stats_fops; +int fscache_stats_show(struct seq_file *m, void *v); #else #define __fscache_stat(stat) (NULL) diff --git a/fs/fscache/proc.c b/fs/fscache/proc.c index 1d9e4951a597..49a8c90414bc 100644 --- a/fs/fscache/proc.c +++ b/fs/fscache/proc.c @@ -26,14 +26,14 @@ int __init fscache_proc_init(void) goto error_dir; #ifdef CONFIG_FSCACHE_STATS - if (!proc_create("fs/fscache/stats", S_IFREG | 0444, NULL, - &fscache_stats_fops)) + if (!proc_create_single("fs/fscache/stats", S_IFREG | 0444, NULL, + fscache_stats_show)) goto error_stats; #endif #ifdef CONFIG_FSCACHE_HISTOGRAM - if (!proc_create("fs/fscache/histogram", S_IFREG | 0444, NULL, - &fscache_histogram_fops)) + if (!proc_create_seq("fs/fscache/histogram", S_IFREG | 0444, NULL, + &fscache_histogram_ops)) goto error_histogram; #endif diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c index fcc8c2f2690e..00564a1dfd76 100644 --- a/fs/fscache/stats.c +++ b/fs/fscache/stats.c @@ -138,7 +138,7 @@ atomic_t fscache_n_cache_culled_objects; /* * display the general statistics */ -static int fscache_stats_show(struct seq_file *m, void *v) +int fscache_stats_show(struct seq_file *m, void *v) { seq_puts(m, "FS-Cache statistics\n"); @@ -284,18 +284,3 @@ static int fscache_stats_show(struct seq_file *m, void *v) atomic_read(&fscache_n_cache_culled_objects)); return 0; } - -/* - * open "/proc/fs/fscache/stats" allowing provision of a statistical summary - */ -static int fscache_stats_open(struct inode *inode, struct file *file) -{ - return single_open(file, fscache_stats_show, NULL); -} - -const struct file_operations fscache_stats_fops = { - .open = fscache_stats_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; diff --git a/fs/jfs/jfs_debug.c b/fs/jfs/jfs_debug.c index a70907606025..35a5b2a81ae0 100644 --- a/fs/jfs/jfs_debug.c +++ b/fs/jfs/jfs_debug.c @@ -29,7 +29,6 @@ #ifdef PROC_FS_JFS /* see jfs_debug.h */ -static struct proc_dir_entry *base; #ifdef CONFIG_JFS_DEBUG static int jfs_loglevel_proc_show(struct seq_file *m, void *v) { @@ -66,43 +65,29 @@ static const struct file_operations jfs_loglevel_proc_fops = { }; #endif -static struct { - const char *name; - const struct file_operations *proc_fops; -} Entries[] = { -#ifdef CONFIG_JFS_STATISTICS - { "lmstats", &jfs_lmstats_proc_fops, }, - { "txstats", &jfs_txstats_proc_fops, }, - { "xtstat", &jfs_xtstat_proc_fops, }, - { "mpstat", &jfs_mpstat_proc_fops, }, -#endif -#ifdef CONFIG_JFS_DEBUG - { "TxAnchor", &jfs_txanchor_proc_fops, }, - { "loglevel", &jfs_loglevel_proc_fops } -#endif -}; -#define NPROCENT ARRAY_SIZE(Entries) - void jfs_proc_init(void) { - int i; + struct proc_dir_entry *base; - if (!(base = proc_mkdir("fs/jfs", NULL))) + base = proc_mkdir("fs/jfs", NULL); + if (!base) return; - for (i = 0; i < NPROCENT; i++) - proc_create(Entries[i].name, 0, base, Entries[i].proc_fops); +#ifdef CONFIG_JFS_STATISTICS + proc_create_single("lmstats", 0, base, jfs_lmstats_proc_show); + proc_create_single("txstats", 0, base, jfs_txstats_proc_show); + proc_create_single("xtstat", 0, base, jfs_xtstat_proc_show); + proc_create_single("mpstat", 0, base, jfs_mpstat_proc_show); +#endif +#ifdef CONFIG_JFS_DEBUG + proc_create_single("TxAnchor", 0, base, jfs_txanchor_proc_show); + proc_create("loglevel", 0, base, &jfs_loglevel_proc_fops); +#endif } void jfs_proc_clean(void) { - int i; - - if (base) { - for (i = 0; i < NPROCENT; i++) - remove_proc_entry(Entries[i].name, base); - remove_proc_entry("fs/jfs", NULL); - } + remove_proc_subtree("fs/jfs", NULL); } #endif /* PROC_FS_JFS */ diff --git a/fs/jfs/jfs_debug.h b/fs/jfs/jfs_debug.h index eafd1300a00b..0d9e35da8462 100644 --- a/fs/jfs/jfs_debug.h +++ b/fs/jfs/jfs_debug.h @@ -62,7 +62,7 @@ extern void jfs_proc_clean(void); extern int jfsloglevel; -extern const struct file_operations jfs_txanchor_proc_fops; +int jfs_txanchor_proc_show(struct seq_file *m, void *v); /* information message: e.g., configuration, major event */ #define jfs_info(fmt, arg...) do { \ @@ -105,10 +105,10 @@ extern const struct file_operations jfs_txanchor_proc_fops; * ---------- */ #ifdef CONFIG_JFS_STATISTICS -extern const struct file_operations jfs_lmstats_proc_fops; -extern const struct file_operations jfs_txstats_proc_fops; -extern const struct file_operations jfs_mpstat_proc_fops; -extern const struct file_operations jfs_xtstat_proc_fops; |