#include <linux/version.h>
#include <linux/user_namespace.h>
-#ifdef HAVE_UIDGID_HEADER
-# include <linux/uidgid.h>
-#endif
+#include <linux/uidgid.h>
+
#include <uapi/linux/lustre/lustre_param.h>
#include <lprocfs_status.h>
#include <obd_support.h>
LDEBUGFS_SEQ_FOPS_RO(ll_site_stats);
-static int ll_max_readahead_mb_seq_show(struct seq_file *m, void *v)
+static ssize_t max_read_ahead_mb_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
{
- struct super_block *sb = m->private;
- struct ll_sb_info *sbi = ll_s2sbi(sb);
+ struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
+ ll_kset.kobj);
unsigned long ra_max_mb;
spin_lock(&sbi->ll_lock);
ra_max_mb = PAGES_TO_MiB(sbi->ll_ra_info.ra_max_pages);
spin_unlock(&sbi->ll_lock);
- seq_printf(m, "%lu\n", ra_max_mb);
- return 0;
+ return snprintf(buf, PAGE_SIZE, "%lu\n", ra_max_mb);
}
-static ssize_t
-ll_max_readahead_mb_seq_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t max_read_ahead_mb_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct seq_file *m = file->private_data;
- struct super_block *sb = m->private;
- struct ll_sb_info *sbi = ll_s2sbi(sb);
- s64 ra_max_mb, pages_number;
+ struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
+ ll_kset.kobj);
+ u64 ra_max_mb, pages_number;
int rc;
- rc = lprocfs_str_with_units_to_s64(buffer, count, &ra_max_mb, 'M');
+ rc = sysfs_memparse(buffer, count, &ra_max_mb, "MiB");
if (rc)
return rc;
pages_number = round_up(ra_max_mb, 1024 * 1024) >> PAGE_SHIFT;
- if (pages_number < 0 || pages_number > cfs_totalram_pages() / 2) {
+ CDEBUG(D_INFO, "%s: set max_read_ahead_mb=%llu (%llu pages)\n",
+ sbi->ll_fsname, PAGES_TO_MiB(pages_number), pages_number);
+ if (pages_number > cfs_totalram_pages() / 2) {
/* 1/2 of RAM */
- CERROR("%s: can't set max_readahead_mb=%llu > %luMB\n",
+ CERROR("%s: cannot set max_read_ahead_mb=%llu > totalram/2=%luMB\n",
sbi->ll_fsname, PAGES_TO_MiB(pages_number),
- PAGES_TO_MiB(cfs_totalram_pages()));
+ PAGES_TO_MiB(cfs_totalram_pages() / 2));
return -ERANGE;
}
return count;
}
+LUSTRE_RW_ATTR(max_read_ahead_mb);
-LDEBUGFS_SEQ_FOPS(ll_max_readahead_mb);
-
-static int ll_max_readahead_per_file_mb_seq_show(struct seq_file *m, void *v)
+static ssize_t max_read_ahead_per_file_mb_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
{
- struct super_block *sb = m->private;
- struct ll_sb_info *sbi = ll_s2sbi(sb);
+ struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
+ ll_kset.kobj);
unsigned long ra_max_file_mb;
spin_lock(&sbi->ll_lock);
ra_max_file_mb = PAGES_TO_MiB(sbi->ll_ra_info.ra_max_pages_per_file);
spin_unlock(&sbi->ll_lock);
- seq_printf(m, "%lu\n", ra_max_file_mb);
- return 0;
+ return snprintf(buf, PAGE_SIZE, "%lu\n", ra_max_file_mb);
}
-static ssize_t
-ll_max_readahead_per_file_mb_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t max_read_ahead_per_file_mb_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct seq_file *m = file->private_data;
- struct super_block *sb = m->private;
- struct ll_sb_info *sbi = ll_s2sbi(sb);
- s64 ra_max_file_mb, pages_number;
+ struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
+ ll_kset.kobj);
+ u64 ra_max_file_mb, pages_number;
int rc;
- rc = lprocfs_str_with_units_to_s64(buffer, count, &ra_max_file_mb,
- 'M');
+ rc = sysfs_memparse(buffer, count, &ra_max_file_mb, "MiB");
if (rc)
return rc;
pages_number = round_up(ra_max_file_mb, 1024 * 1024) >> PAGE_SHIFT;
- if (pages_number < 0 || pages_number > sbi->ll_ra_info.ra_max_pages) {
- CERROR("%s: can't set max_readahead_per_file_mb=%llu > max_read_ahead_mb=%lu\n",
+ if (pages_number > sbi->ll_ra_info.ra_max_pages) {
+ CERROR("%s: cannot set max_read_ahead_per_file_mb=%llu > max_read_ahead_mb=%lu\n",
sbi->ll_fsname, PAGES_TO_MiB(pages_number),
PAGES_TO_MiB(sbi->ll_ra_info.ra_max_pages));
return -ERANGE;
return count;
}
+LUSTRE_RW_ATTR(max_read_ahead_per_file_mb);
-LDEBUGFS_SEQ_FOPS(ll_max_readahead_per_file_mb);
-
-static int ll_max_read_ahead_whole_mb_seq_show(struct seq_file *m, void *v)
+static ssize_t max_read_ahead_whole_mb_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
{
- struct super_block *sb = m->private;
- struct ll_sb_info *sbi = ll_s2sbi(sb);
+ struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
+ ll_kset.kobj);
unsigned long ra_max_whole_mb;
spin_lock(&sbi->ll_lock);
ra_max_whole_mb = PAGES_TO_MiB(sbi->ll_ra_info.ra_max_read_ahead_whole_pages);
spin_unlock(&sbi->ll_lock);
- seq_printf(m, "%lu\n", ra_max_whole_mb);
- return 0;
+ return snprintf(buf, PAGE_SIZE, "%lu\n", ra_max_whole_mb);
}
-static ssize_t
-ll_max_read_ahead_whole_mb_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t max_read_ahead_whole_mb_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct seq_file *m = file->private_data;
- struct super_block *sb = m->private;
- struct ll_sb_info *sbi = ll_s2sbi(sb);
- s64 ra_max_whole_mb, pages_number;
+ struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
+ ll_kset.kobj);
+ u64 ra_max_whole_mb, pages_number;
int rc;
- rc = lprocfs_str_with_units_to_s64(buffer, count, &ra_max_whole_mb,
- 'M');
+ rc = sysfs_memparse(buffer, count, &ra_max_whole_mb, "MiB");
if (rc)
return rc;
/* Cap this at the current max readahead window size, the readahead
* algorithm does this anyway so it's pointless to set it larger.
*/
- if (pages_number < 0 ||
- pages_number > sbi->ll_ra_info.ra_max_pages_per_file) {
- CERROR("%s: can't set max_read_ahead_whole_mb=%llu > max_read_ahead_per_file_mb=%lu\n",
+ if (pages_number > sbi->ll_ra_info.ra_max_pages_per_file) {
+ CERROR("%s: cannot set max_read_ahead_whole_mb=%llu > max_read_ahead_per_file_mb=%lu\n",
sbi->ll_fsname, PAGES_TO_MiB(pages_number),
PAGES_TO_MiB(sbi->ll_ra_info.ra_max_pages_per_file));
+
return -ERANGE;
}
return count;
}
-
-LDEBUGFS_SEQ_FOPS(ll_max_read_ahead_whole_mb);
+LUSTRE_RW_ATTR(max_read_ahead_whole_mb);
static int ll_max_cached_mb_seq_show(struct seq_file *m, void *v)
{
long diff = 0;
long nrpages = 0;
__u16 refcheck;
- __s64 pages_number;
+ u64 pages_number;
int rc;
- char kernbuf[128];
+ char kernbuf[128], *ptr;
ENTRY;
if (count >= sizeof(kernbuf))
if (copy_from_user(kernbuf, buffer, count))
RETURN(-EFAULT);
- kernbuf[count] = 0;
+ kernbuf[count] = '\0';
- buffer += lprocfs_find_named_value(kernbuf, "max_cached_mb:", &count) -
- kernbuf;
- rc = lprocfs_str_with_units_to_s64(buffer, count, &pages_number, 'M');
+ ptr = lprocfs_find_named_value(kernbuf, "max_cached_mb:", &count);
+ rc = sysfs_memparse(ptr, count, &pages_number, "MiB");
if (rc)
RETURN(rc);
/* reduce LRU budget from free slots. */
do {
- long ov, nv;
+ long ov, nv, retv;
ov = atomic_long_read(&cache->ccc_lru_left);
if (ov == 0)
break;
nv = ov > diff ? ov - diff : 0;
- rc = atomic_long_cmpxchg(&cache->ccc_lru_left, ov, nv);
- if (likely(ov == rc)) {
+ retv = atomic_long_cmpxchg(&cache->ccc_lru_left,
+ ov, nv);
+ if (likely(ov == retv)) {
diff -= ov - nv;
nrpages += ov - nv;
break;
}
return rc;
}
-
LDEBUGFS_SEQ_FOPS(ll_max_cached_mb);
static ssize_t checksums_show(struct kobject *kobj, struct attribute *attr,
if (rc)
return rc;
- return sprintf(buf, "%u\n", ealen);
+ /* Limit xattr size returned to userspace based on kernel maximum */
+ return snprintf(buf, PAGE_SIZE, "%u\n",
+ ealen > XATTR_SIZE_MAX ? XATTR_SIZE_MAX : ealen);
}
LUSTRE_RO_ATTR(max_easize);
if (rc)
return rc;
- return sprintf(buf, "%u\n", ealen);
+ /* Limit xattr size returned to userspace based on kernel maximum */
+ return snprintf(buf, PAGE_SIZE, "%u\n",
+ ealen > XATTR_SIZE_MAX ? XATTR_SIZE_MAX : ealen);
}
/**
}
static ssize_t max_read_ahead_async_active_store(struct kobject *kobj,
- struct attribute *attr,
- const char *buffer,
- size_t count)
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- unsigned int val;
- int rc;
struct ll_sb_info *sbi = container_of(kobj, struct ll_sb_info,
ll_kset.kobj);
+ unsigned int val;
+ int rc;
rc = kstrtouint(buffer, 10, &val);
if (rc)
return -ERANGE;
}
+ spin_lock(&sbi->ll_lock);
sbi->ll_ra_info.ra_async_max_active = val;
+ spin_unlock(&sbi->ll_lock);
workqueue_set_max_active(sbi->ll_ra_info.ll_readahead_wq, val);
return count;
struct lprocfs_vars lprocfs_llite_obd_vars[] = {
{ .name = "site",
.fops = &ll_site_stats_fops },
- { .name = "max_read_ahead_mb",
- .fops = &ll_max_readahead_mb_fops },
- { .name = "max_read_ahead_per_file_mb",
- .fops = &ll_max_readahead_per_file_mb_fops },
- { .name = "max_read_ahead_whole_mb",
- .fops = &ll_max_read_ahead_whole_mb_fops },
{ .name = "max_cached_mb",
.fops = &ll_max_cached_mb_fops },
{ .name = "statahead_stats",
&lustre_attr_uuid.attr,
&lustre_attr_checksums.attr,
&lustre_attr_checksum_pages.attr,
+ &lustre_attr_max_read_ahead_mb.attr,
+ &lustre_attr_max_read_ahead_per_file_mb.attr,
+ &lustre_attr_max_read_ahead_whole_mb.attr,
+ &lustre_attr_max_read_ahead_async_active.attr,
+ &lustre_attr_read_ahead_async_file_threshold_mb.attr,
&lustre_attr_stats_track_pid.attr,
&lustre_attr_stats_track_ppid.attr,
&lustre_attr_stats_track_gid.attr,
&lustre_attr_file_heat.attr,
&lustre_attr_heat_decay_percentage.attr,
&lustre_attr_heat_period_second.attr,
- &lustre_attr_max_read_ahead_async_active.attr,
- &lustre_attr_read_ahead_async_file_threshold_mb.attr,
NULL,
};
.release = sbi_kobj_release,
};
+#define LPROCFS_TYPE_LATENCY \
+ (LPROCFS_TYPE_USEC | LPROCFS_CNTR_AVGMINMAX | LPROCFS_CNTR_STDDEV)
static const struct llite_file_opcode {
- __u32 opcode;
- __u32 type;
- const char *opname;
+ __u32 opcode;
+ __u32 type;
+ const char *opname;
} llite_opcode_table[LPROC_LL_FILE_OPCODES] = {
- /* file operation */
- { LPROC_LL_READ_BYTES, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_BYTES,
- "read_bytes" },
- { LPROC_LL_WRITE_BYTES, LPROCFS_CNTR_AVGMINMAX|LPROCFS_TYPE_BYTES,
- "write_bytes" },
- { LPROC_LL_IOCTL, LPROCFS_TYPE_REGS, "ioctl" },
- { LPROC_LL_OPEN, LPROCFS_TYPE_REGS, "open" },
- { LPROC_LL_RELEASE, LPROCFS_TYPE_REGS, "close" },
- { LPROC_LL_MAP, LPROCFS_TYPE_REGS, "mmap" },
- { LPROC_LL_FAULT, LPROCFS_TYPE_REGS, "page_fault" },
- { LPROC_LL_MKWRITE, LPROCFS_TYPE_REGS, "page_mkwrite" },
- { LPROC_LL_LLSEEK, LPROCFS_TYPE_REGS, "seek" },
- { LPROC_LL_FSYNC, LPROCFS_TYPE_REGS, "fsync" },
- { LPROC_LL_READDIR, LPROCFS_TYPE_REGS, "readdir" },
- /* inode operation */
- { LPROC_LL_SETATTR, LPROCFS_TYPE_REGS, "setattr" },
- { LPROC_LL_TRUNC, LPROCFS_TYPE_REGS, "truncate" },
- { LPROC_LL_FLOCK, LPROCFS_TYPE_REGS, "flock" },
- { LPROC_LL_GETATTR, LPROCFS_TYPE_REGS, "getattr" },
- /* dir inode operation */
- { LPROC_LL_CREATE, LPROCFS_TYPE_REGS, "create" },
- { LPROC_LL_LINK, LPROCFS_TYPE_REGS, "link" },
- { LPROC_LL_UNLINK, LPROCFS_TYPE_REGS, "unlink" },
- { LPROC_LL_SYMLINK, LPROCFS_TYPE_REGS, "symlink" },
- { LPROC_LL_MKDIR, LPROCFS_TYPE_REGS, "mkdir" },
- { LPROC_LL_RMDIR, LPROCFS_TYPE_REGS, "rmdir" },
- { LPROC_LL_MKNOD, LPROCFS_TYPE_REGS, "mknod" },
- { LPROC_LL_RENAME, LPROCFS_TYPE_REGS, "rename" },
+ /* file operation */
+ { LPROC_LL_READ_BYTES, LPROCFS_CNTR_AVGMINMAX | LPROCFS_TYPE_BYTES,
+ "read_bytes" },
+ { LPROC_LL_WRITE_BYTES, LPROCFS_CNTR_AVGMINMAX | LPROCFS_TYPE_BYTES,
+ "write_bytes" },
+ { LPROC_LL_READ, LPROCFS_TYPE_LATENCY, "read" },
+ { LPROC_LL_WRITE, LPROCFS_TYPE_LATENCY, "write" },
+ { LPROC_LL_IOCTL, LPROCFS_TYPE_REQS, "ioctl" },
+ { LPROC_LL_OPEN, LPROCFS_TYPE_LATENCY, "open" },
+ { LPROC_LL_RELEASE, LPROCFS_TYPE_LATENCY, "close" },
+ { LPROC_LL_MMAP, LPROCFS_TYPE_LATENCY, "mmap" },
+ { LPROC_LL_FAULT, LPROCFS_TYPE_LATENCY, "page_fault" },
+ { LPROC_LL_MKWRITE, LPROCFS_TYPE_LATENCY, "page_mkwrite" },
+ { LPROC_LL_LLSEEK, LPROCFS_TYPE_LATENCY, "seek" },
+ { LPROC_LL_FSYNC, LPROCFS_TYPE_LATENCY, "fsync" },
+ { LPROC_LL_READDIR, LPROCFS_TYPE_LATENCY, "readdir" },
+ /* inode operation */
+ { LPROC_LL_SETATTR, LPROCFS_TYPE_LATENCY, "setattr" },
+ { LPROC_LL_TRUNC, LPROCFS_TYPE_LATENCY, "truncate" },
+ { LPROC_LL_FLOCK, LPROCFS_TYPE_LATENCY, "flock" },
+ { LPROC_LL_GETATTR, LPROCFS_TYPE_LATENCY, "getattr" },
+ /* dir inode operation */
+ { LPROC_LL_CREATE, LPROCFS_TYPE_LATENCY, "create" },
+ { LPROC_LL_LINK, LPROCFS_TYPE_LATENCY, "link" },
+ { LPROC_LL_UNLINK, LPROCFS_TYPE_LATENCY, "unlink" },
+ { LPROC_LL_SYMLINK, LPROCFS_TYPE_LATENCY, "symlink" },
+ { LPROC_LL_MKDIR, LPROCFS_TYPE_LATENCY, "mkdir" },
+ { LPROC_LL_RMDIR, LPROCFS_TYPE_LATENCY, "rmdir" },
+ { LPROC_LL_MKNOD, LPROCFS_TYPE_LATENCY, "mknod" },
+ { LPROC_LL_RENAME, LPROCFS_TYPE_LATENCY, "rename" },
/* special inode operation */
- { LPROC_LL_STATFS, LPROCFS_TYPE_REGS, "statfs" },
- { LPROC_LL_ALLOC_INODE, LPROCFS_TYPE_REGS, "alloc_inode" },
- { LPROC_LL_SETXATTR, LPROCFS_TYPE_REGS, "setxattr" },
- { LPROC_LL_GETXATTR, LPROCFS_TYPE_REGS, "getxattr" },
- { LPROC_LL_GETXATTR_HITS, LPROCFS_TYPE_REGS, "getxattr_hits" },
- { LPROC_LL_LISTXATTR, LPROCFS_TYPE_REGS, "listxattr" },
- { LPROC_LL_REMOVEXATTR, LPROCFS_TYPE_REGS, "removexattr" },
- { LPROC_LL_INODE_PERM, LPROCFS_TYPE_REGS, "inode_permission" },
+ { LPROC_LL_STATFS, LPROCFS_TYPE_LATENCY, "statfs" },
+ { LPROC_LL_SETXATTR, LPROCFS_TYPE_LATENCY, "setxattr" },
+ { LPROC_LL_GETXATTR, LPROCFS_TYPE_LATENCY, "getxattr" },
+ { LPROC_LL_GETXATTR_HITS, LPROCFS_TYPE_REQS, "getxattr_hits" },
+ { LPROC_LL_LISTXATTR, LPROCFS_TYPE_LATENCY, "listxattr" },
+ { LPROC_LL_REMOVEXATTR, LPROCFS_TYPE_LATENCY, "removexattr" },
+ { LPROC_LL_INODE_PERM, LPROCFS_TYPE_LATENCY, "inode_permission" },
};
-void ll_stats_ops_tally(struct ll_sb_info *sbi, int op, int count)
+void ll_stats_ops_tally(struct ll_sb_info *sbi, int op, long count)
{
- if (!sbi->ll_stats)
- return;
- if (sbi->ll_stats_track_type == STATS_TRACK_ALL)
- lprocfs_counter_add(sbi->ll_stats, op, count);
- else if (sbi->ll_stats_track_type == STATS_TRACK_PID &&
- sbi->ll_stats_track_id == current->pid)
- lprocfs_counter_add(sbi->ll_stats, op, count);
- else if (sbi->ll_stats_track_type == STATS_TRACK_PPID &&
- sbi->ll_stats_track_id == current->parent->pid)
- lprocfs_counter_add(sbi->ll_stats, op, count);
+ if (!sbi->ll_stats)
+ return;
+
+ if (sbi->ll_stats_track_type == STATS_TRACK_ALL)
+ lprocfs_counter_add(sbi->ll_stats, op, count);
+ else if (sbi->ll_stats_track_type == STATS_TRACK_PID &&
+ sbi->ll_stats_track_id == current->pid)
+ lprocfs_counter_add(sbi->ll_stats, op, count);
+ else if (sbi->ll_stats_track_type == STATS_TRACK_PPID &&
+ sbi->ll_stats_track_id == current->parent->pid)
+ lprocfs_counter_add(sbi->ll_stats, op, count);
else if (sbi->ll_stats_track_type == STATS_TRACK_GID &&
sbi->ll_stats_track_id ==
from_kgid(&init_user_ns, current_gid()))
u32 type = llite_opcode_table[id].type;
void *ptr = NULL;
- if (type & LPROCFS_TYPE_REGS)
- ptr = "regs";
+ if (type & LPROCFS_TYPE_REQS)
+ ptr = "reqs";
else if (type & LPROCFS_TYPE_BYTES)
ptr = "bytes";
else if (type & LPROCFS_TYPE_PAGES)
ptr = "pages";
+ else if (type & LPROCFS_TYPE_USEC)
+ ptr = "usec";
lprocfs_counter_init(sbi->ll_stats,
llite_opcode_table[id].opcode,
(type & LPROCFS_CNTR_AVGMINMAX),
out_stats:
lprocfs_free_stats(&sbi->ll_stats);
out_debugfs:
- ldebugfs_remove(&sbi->ll_debugfs_entry);
+ debugfs_remove_recursive(sbi->ll_debugfs_entry);
RETURN(err);
}
struct lustre_sb_info *lsi = s2lsi(sb);
struct ll_sb_info *sbi = ll_s2sbi(sb);
- if (!IS_ERR_OR_NULL(sbi->ll_debugfs_entry))
- ldebugfs_remove(&sbi->ll_debugfs_entry);
+ debugfs_remove_recursive(sbi->ll_debugfs_entry);
if (sbi->ll_dt_obd)
sysfs_remove_link(&sbi->ll_kset.kobj,
git://git.whamcloud.com / fs / lustre-release.git / blobdiff