[PATCH 03/21] drbd: use seq_put instead of seq_print where possible

From: Fabian Frederick
Date: Fri Nov 27 2015 - 16:28:22 EST


seq_putc/seq_puts give the following improvements:

text data bss dec hex filename
4661 0 8 4669 123d drivers/block/drbd/drbd_proc.o
4603 0 8 4611 1203 drivers/block/drbd/drbd_proc-after.o

Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
drivers/block/drbd/drbd_proc.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c
index 6537b25..233a710 100644
--- a/drivers/block/drbd/drbd_proc.c
+++ b/drivers/block/drbd/drbd_proc.c
@@ -122,18 +122,18 @@ static void drbd_syncer_progress(struct drbd_device *device, struct seq_file *se

x = res/50;
y = 20-x;
- seq_printf(seq, "\t[");
+ seq_puts(seq, "\t[");
for (i = 1; i < x; i++)
- seq_printf(seq, "=");
- seq_printf(seq, ">");
+ seq_putc(seq, '=');
+ seq_putc(seq, '>');
for (i = 0; i < y; i++)
seq_printf(seq, ".");
- seq_printf(seq, "] ");
+ seq_puts(seq, "] ");

if (state.conn == C_VERIFY_S || state.conn == C_VERIFY_T)
- seq_printf(seq, "verified:");
+ seq_puts(seq, "verified:");
else
- seq_printf(seq, "sync'ed:");
+ seq_puts(seq, "sync'ed:");
seq_printf(seq, "%3u.%u%% ", res / 10, res % 10);

/* if more than a few GB, display in MB */
@@ -146,7 +146,7 @@ static void drbd_syncer_progress(struct drbd_device *device, struct seq_file *se
(unsigned long) Bit2KB(rs_left),
(unsigned long) Bit2KB(rs_total));

- seq_printf(seq, "\n\t");
+ seq_puts(seq, "\n\t");

/* see drivers/md/md.c
* We do not want to overflow, so the order of operands and
@@ -175,9 +175,9 @@ static void drbd_syncer_progress(struct drbd_device *device, struct seq_file *se
rt / 3600, (rt % 3600) / 60, rt % 60);

dbdt = Bit2KB(db/dt);
- seq_printf(seq, " speed: ");
+ seq_puts(seq, " speed: ");
seq_printf_with_thousands_grouping(seq, dbdt);
- seq_printf(seq, " (");
+ seq_puts(seq, " (");
/* ------------------------- ~3s average ------------------------ */
if (proc_details >= 1) {
/* this is what drbd_rs_should_slow_down() uses */
@@ -188,7 +188,7 @@ static void drbd_syncer_progress(struct drbd_device *device, struct seq_file *se
db = device->rs_mark_left[i] - rs_left;
dbdt = Bit2KB(db/dt);
seq_printf_with_thousands_grouping(seq, dbdt);
- seq_printf(seq, " -- ");
+ seq_puts(seq, " -- ");
}

/* --------------------- long term average ---------------------- */
@@ -200,11 +200,11 @@ static void drbd_syncer_progress(struct drbd_device *device, struct seq_file *se
db = rs_total - rs_left;
dbdt = Bit2KB(db/dt);
seq_printf_with_thousands_grouping(seq, dbdt);
- seq_printf(seq, ")");
+ seq_putc(seq, ')');

if (state.conn == C_SYNC_TARGET ||
state.conn == C_VERIFY_S) {
- seq_printf(seq, " want: ");
+ seq_puts(seq, " want: ");
seq_printf_with_thousands_grouping(seq, device->c_sync_rate);
}
seq_printf(seq, " K/sec%s\n", stalled ? " (stalled)" : "");
@@ -231,7 +231,7 @@ static void drbd_syncer_progress(struct drbd_device *device, struct seq_file *se
(unsigned long long)bm_bits * BM_SECT_PER_BIT);
if (stop_sector != 0 && stop_sector != ULLONG_MAX)
seq_printf(seq, " stop sector: %llu", stop_sector);
- seq_printf(seq, "\n");
+ seq_putc(seq, '\n');
}
}

@@ -276,7 +276,7 @@ static int drbd_seq_show(struct seq_file *seq, void *v)
rcu_read_lock();
idr_for_each_entry(&drbd_devices, device, i) {
if (prev_i != i - 1)
- seq_printf(seq, "\n");
+ seq_putc(seq, '\n');
prev_i = i;

state = device->state;
--
2.1.4

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