diff options
author | Oleg Drokin <green@linuxhacker.ru> | 2015-05-21 15:31:49 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-31 10:50:18 +0900 |
commit | 62cf4b1315e86a1f373f77acf32a23d76428ba27 (patch) | |
tree | a9d76da036b80ef492dd7a646dfa8ab1201a985e /drivers | |
parent | 06ed0cd897a8d1b1c9a067b7b726b9a47a4ca7e0 (diff) |
staging/lustre/llite: move /proc/fs/lustre/llite/stats_track* to sysfs
Move stats_track_pid, stats_track_ppid and stats_track_gid files
from /proc/fs/lustre/llite/* to /sys/fs/lustre/llite/*/
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/staging/lustre/lustre/llite/lproc_llite.c | 99 | ||||
-rw-r--r-- | drivers/staging/lustre/sysfs-fs-lustre | 21 |
2 files changed, 75 insertions, 45 deletions
diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c b/drivers/staging/lustre/lustre/llite/lproc_llite.c index da08edeceda9..3f9cdd2a6a5c 100644 --- a/drivers/staging/lustre/lustre/llite/lproc_llite.c +++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c @@ -520,79 +520,88 @@ static ssize_t checksum_pages_store(struct kobject *kobj, } LUSTRE_RW_ATTR(checksum_pages); -static int ll_rd_track_id(struct seq_file *m, enum stats_track_type type) +static ssize_t ll_rd_track_id(struct kobject *kobj, char *buf, + enum stats_track_type type) { - struct super_block *sb = m->private; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); - if (ll_s2sbi(sb)->ll_stats_track_type == type) - seq_printf(m, "%d\n", ll_s2sbi(sb)->ll_stats_track_id); - else if (ll_s2sbi(sb)->ll_stats_track_type == STATS_TRACK_ALL) - seq_puts(m, "0 (all)\n"); + if (sbi->ll_stats_track_type == type) + return sprintf(buf, "%d\n", sbi->ll_stats_track_id); + else if (sbi->ll_stats_track_type == STATS_TRACK_ALL) + return sprintf(buf, "0 (all)\n"); else - seq_puts(m, "untracked\n"); - - return 0; + return sprintf(buf, "untracked\n"); } -static int ll_wr_track_id(const char __user *buffer, unsigned long count, - void *data, enum stats_track_type type) +static ssize_t ll_wr_track_id(struct kobject *kobj, const char *buffer, + size_t count, + enum stats_track_type type) { - struct super_block *sb = data; - int rc, pid; + struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info, + ll_kobj); + int rc; + unsigned long pid; - rc = lprocfs_write_helper(buffer, count, &pid); + rc = kstrtoul(buffer, 10, &pid); if (rc) return rc; - ll_s2sbi(sb)->ll_stats_track_id = pid; + sbi->ll_stats_track_id = pid; if (pid == 0) - ll_s2sbi(sb)->ll_stats_track_type = STATS_TRACK_ALL; + sbi->ll_stats_track_type = STATS_TRACK_ALL; else - ll_s2sbi(sb)->ll_stats_track_type = type; - lprocfs_clear_stats(ll_s2sbi(sb)->ll_stats); + sbi->ll_stats_track_type = type; + lprocfs_clear_stats(sbi->ll_stats); return count; } -static int ll_track_pid_seq_show(struct seq_file *m, void *v) +static ssize_t stats_track_pid_show(struct kobject *kobj, + struct attribute *attr, + char *buf) { - return ll_rd_track_id(m, STATS_TRACK_PID); + return ll_rd_track_id(kobj, buf, STATS_TRACK_PID); } -static ssize_t ll_track_pid_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t stats_track_pid_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, + size_t count) { - struct seq_file *seq = file->private_data; - return ll_wr_track_id(buffer, count, seq->private, STATS_TRACK_PID); + return ll_wr_track_id(kobj, buffer, count, STATS_TRACK_PID); } -LPROC_SEQ_FOPS(ll_track_pid); +LUSTRE_RW_ATTR(stats_track_pid); -static int ll_track_ppid_seq_show(struct seq_file *m, void *v) +static ssize_t stats_track_ppid_show(struct kobject *kobj, + struct attribute *attr, + char *buf) { - return ll_rd_track_id(m, STATS_TRACK_PPID); + return ll_rd_track_id(kobj, buf, STATS_TRACK_PPID); } -static ssize_t ll_track_ppid_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t stats_track_ppid_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, + size_t count) { - struct seq_file *seq = file->private_data; - return ll_wr_track_id(buffer, count, seq->private, STATS_TRACK_PPID); + return ll_wr_track_id(kobj, buffer, count, STATS_TRACK_PPID); } -LPROC_SEQ_FOPS(ll_track_ppid); +LUSTRE_RW_ATTR(stats_track_ppid); -static int ll_track_gid_seq_show(struct seq_file *m, void *v) +static ssize_t stats_track_gid_show(struct kobject *kobj, + struct attribute *attr, + char *buf) { - return ll_rd_track_id(m, STATS_TRACK_GID); + return ll_rd_track_id(kobj, buf, STATS_TRACK_GID); } -static ssize_t ll_track_gid_seq_write(struct file *file, - const char __user *buffer, - size_t count, loff_t *off) +static ssize_t stats_track_gid_store(struct kobject *kobj, + struct attribute *attr, + const char *buffer, + size_t count) { - struct seq_file *seq = file->private_data; - return ll_wr_track_id(buffer, count, seq->private, STATS_TRACK_GID); + return ll_wr_track_id(kobj, buffer, count, STATS_TRACK_GID); } -LPROC_SEQ_FOPS(ll_track_gid); +LUSTRE_RW_ATTR(stats_track_gid); static int ll_statahead_max_seq_show(struct seq_file *m, void *v) { @@ -829,9 +838,6 @@ static struct lprocfs_vars lprocfs_llite_obd_vars[] = { { "site", &ll_site_stats_fops, NULL, 0 }, /* { "filegroups", lprocfs_rd_filegroups, 0, 0 }, */ { "max_cached_mb", &ll_max_cached_mb_fops, NULL }, - { "stats_track_pid", &ll_track_pid_fops, NULL }, - { "stats_track_ppid", &ll_track_ppid_fops, NULL }, - { "stats_track_gid", &ll_track_gid_fops, NULL }, { "statahead_max", &ll_statahead_max_fops, NULL }, { "statahead_agl", &ll_statahead_agl_fops, NULL }, { "statahead_stats", &ll_statahead_stats_fops, NULL, 0 }, @@ -861,6 +867,9 @@ static struct attribute *llite_attrs[] = { &lustre_attr_max_read_ahead_per_file_mb.attr, &lustre_attr_max_read_ahead_whole_mb.attr, &lustre_attr_checksum_pages.attr, + &lustre_attr_stats_track_pid.attr, + &lustre_attr_stats_track_ppid.attr, + &lustre_attr_stats_track_gid.attr, NULL, }; diff --git a/drivers/staging/lustre/sysfs-fs-lustre b/drivers/staging/lustre/sysfs-fs-lustre index 03a4dc62df1f..acf85cc57231 100644 --- a/drivers/staging/lustre/sysfs-fs-lustre +++ b/drivers/staging/lustre/sysfs-fs-lustre @@ -124,3 +124,24 @@ Contact: "Oleg Drokin" <oleg.drokin@intel.com> Description: Enables or disables per-page checksum at llite layer, before the pages are actually given to lower level for network transfer + +What: /sys/fs/lustre/llite/<fsname>-<uuid>/stats_track_pid +Date: May 2015 +Contact: "Oleg Drokin" <oleg.drokin@intel.com> +Description: + Limit Lustre vfs operations gathering to just a single pid. + 0 to track everything. + +What: /sys/fs/lustre/llite/<fsname>-<uuid>/stats_track_ppid +Date: May 2015 +Contact: "Oleg Drokin" <oleg.drokin@intel.com> +Description: + Limit Lustre vfs operations gathering to just a single ppid. + 0 to track everything. + +What: /sys/fs/lustre/llite/<fsname>-<uuid>/stats_track_gid +Date: May 2015 +Contact: "Oleg Drokin" <oleg.drokin@intel.com> +Description: + Limit Lustre vfs operations gathering to just a single gid. + 0 to track everything. |