Revert "LU-7334 lov: Cleanup lov_stripe proc files"

[fs/lustre-release.git] / lustre / lov / lproc_lov.c

diff --git a/lustre/lov/lproc_lov.c b/lustre/lov/lproc_lov.c
index b910d71..ac3bb1a 100644 (file)
--- a/lustre/lov/lproc_lov.c
+++ b/lustre/lov/lproc_lov.c
@@ -54,7 +54,30 @@ static int lov_stripesize_seq_show(struct seq_file *m, void *v)
        seq_printf(m, LPU64"\n", desc->ld_default_stripe_size);
        return 0;
 }
-LPROC_SEQ_FOPS_RO(lov_stripesize);
+
+static ssize_t lov_stripesize_seq_write(struct file *file,
+                                       const char __user *buffer,
+                                       size_t count, loff_t *off)
+{
+       struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
+       struct lov_desc *desc;
+       __s64 val;
+       int rc;
+
+       LASSERT(dev != NULL);
+       desc = &dev->u.lov.desc;
+       rc = lprocfs_str_to_s64(buffer, count, &val);
+       if (rc)
+               return rc;
+       if (val < 0)
+               return -ERANGE;
+
+       lov_fix_desc_stripe_size(&val);
+       desc->ld_default_stripe_size = val;
+
+       return count;
+}
+LPROC_SEQ_FOPS(lov_stripesize);
 
 static int lov_stripeoffset_seq_show(struct seq_file *m, void *v)
 {
@@ -66,7 +89,29 @@ static int lov_stripeoffset_seq_show(struct seq_file *m, void *v)
        seq_printf(m, LPU64"\n", desc->ld_default_stripe_offset);
        return 0;
 }
-LPROC_SEQ_FOPS_RO(lov_stripeoffset);
+
+static ssize_t lov_stripeoffset_seq_write(struct file *file,
+                                         const char __user *buffer,
+                                         size_t count, loff_t *off)
+{
+       struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
+       struct lov_desc *desc;
+       __s64 val;
+       int rc;
+
+       LASSERT(dev != NULL);
+       desc = &dev->u.lov.desc;
+       rc = lprocfs_str_to_s64(buffer, count, &val);
+       if (rc)
+               return rc;
+       if (val < 0)
+               return -ERANGE;
+
+       desc->ld_default_stripe_offset = val;
+
+       return count;
+}
+LPROC_SEQ_FOPS(lov_stripeoffset);
 
 static int lov_stripetype_seq_show(struct seq_file *m, void *v)
 {
@@ -78,7 +123,31 @@ static int lov_stripetype_seq_show(struct seq_file *m, void *v)
        seq_printf(m, "%u\n", desc->ld_pattern);
        return 0;
 }
-LPROC_SEQ_FOPS_RO(lov_stripetype);
+
+static ssize_t lov_stripetype_seq_write(struct file *file,
+                                       const char __user *buffer,
+                                       size_t count, loff_t *off)
+{
+       struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
+       struct lov_desc *desc;
+       int pattern, rc;
+       __s64 val;
+
+       LASSERT(dev != NULL);
+       desc = &dev->u.lov.desc;
+       rc = lprocfs_str_to_s64(buffer, count, &val);
+       if (rc)
+               return rc;
+       if (val < INT_MIN || val > INT_MAX)
+               return -ERANGE;
+
+       pattern = val;
+       lov_fix_desc_pattern(&pattern);
+       desc->ld_pattern = pattern;
+
+       return count;
+}
+LPROC_SEQ_FOPS(lov_stripetype);
 
 static int lov_stripecount_seq_show(struct seq_file *m, void *v)
 {
@@ -91,7 +160,32 @@ static int lov_stripecount_seq_show(struct seq_file *m, void *v)
                  (__s16)(desc->ld_default_stripe_count + 1) - 1);
        return 0;
 }
-LPROC_SEQ_FOPS_RO(lov_stripecount);
+
+static ssize_t lov_stripecount_seq_write(struct file *file,
+                                        const char __user *buffer,
+                                        size_t count, loff_t *off)
+{
+       struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
+       struct lov_desc *desc;
+       int rc;
+       __u32 stripe_count;
+       __s64 val;
+
+       LASSERT(dev != NULL);
+       desc = &dev->u.lov.desc;
+       rc = lprocfs_str_to_s64(buffer, count, &val);
+       if (rc)
+               return rc;
+       if (val < 0)
+               return -ERANGE;
+
+       stripe_count = val;
+       lov_fix_desc_stripe_count(&stripe_count);
+       desc->ld_default_stripe_count = stripe_count;
+
+       return count;
+}
+LPROC_SEQ_FOPS(lov_stripecount);
 
 static int lov_numobd_seq_show(struct seq_file *m, void *v)
 {