The patch titled proc tty: switch ircomm to ->proc_fops has been added to the -mm tree. Its filename is proc-tty-switch-ircomm-to-proc_fops.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: proc tty: switch ircomm to ->proc_fops From: Alexey Dobriyan <adobriyan@xxxxxxxxx> Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx> Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- net/irda/ircomm/ircomm_tty.c | 246 +++++++++++++++++---------------- 1 file changed, 133 insertions(+), 113 deletions(-) diff -puN net/irda/ircomm/ircomm_tty.c~proc-tty-switch-ircomm-to-proc_fops net/irda/ircomm/ircomm_tty.c --- a/net/irda/ircomm/ircomm_tty.c~proc-tty-switch-ircomm-to-proc_fops +++ a/net/irda/ircomm/ircomm_tty.c @@ -34,6 +34,7 @@ #include <linux/module.h> #include <linux/fs.h> #include <linux/sched.h> +#include <linux/seq_file.h> #include <linux/termios.h> #include <linux/tty.h> #include <linux/interrupt.h> @@ -72,8 +73,7 @@ static int ircomm_tty_control_indication static void ircomm_tty_flow_indication(void *instance, void *sap, LOCAL_FLOW cmd); #ifdef CONFIG_PROC_FS -static int ircomm_tty_read_proc(char *buf, char **start, off_t offset, int len, - int *eof, void *unused); +static const struct file_operations ircomm_tty_proc_fops; #endif /* CONFIG_PROC_FS */ static struct tty_driver *driver; @@ -98,7 +98,7 @@ static const struct tty_operations ops = .hangup = ircomm_tty_hangup, .wait_until_sent = ircomm_tty_wait_until_sent, #ifdef CONFIG_PROC_FS - .read_proc = ircomm_tty_read_proc, + .proc_fops = &ircomm_tty_proc_fops, #endif /* CONFIG_PROC_FS */ }; @@ -1245,150 +1245,170 @@ static void ircomm_tty_flow_indication(v } #ifdef CONFIG_PROC_FS -static int ircomm_tty_line_info(struct ircomm_tty_cb *self, char *buf) +static void ircomm_tty_line_info(struct ircomm_tty_cb *self, struct seq_file *m) { - int ret=0; + char sep; - ret += sprintf(buf+ret, "State: %s\n", ircomm_tty_state[self->state]); + seq_printf(m, "State: %s\n", ircomm_tty_state[self->state]); - ret += sprintf(buf+ret, "Service type: "); + seq_puts(m, "Service type: "); if (self->service_type & IRCOMM_9_WIRE) - ret += sprintf(buf+ret, "9_WIRE"); + seq_puts(m, "9_WIRE"); else if (self->service_type & IRCOMM_3_WIRE) - ret += sprintf(buf+ret, "3_WIRE"); + seq_puts(m, "3_WIRE"); else if (self->service_type & IRCOMM_3_WIRE_RAW) - ret += sprintf(buf+ret, "3_WIRE_RAW"); + seq_puts(m, "3_WIRE_RAW"); else - ret += sprintf(buf+ret, "No common service type!\n"); - ret += sprintf(buf+ret, "\n"); + seq_puts(m, "No common service type!\n"); + seq_putc(m, '\n'); - ret += sprintf(buf+ret, "Port name: %s\n", self->settings.port_name); + seq_printf(m, "Port name: %s\n", self->settings.port_name); - ret += sprintf(buf+ret, "DTE status: "); - if (self->settings.dte & IRCOMM_RTS) - ret += sprintf(buf+ret, "RTS|"); - if (self->settings.dte & IRCOMM_DTR) - ret += sprintf(buf+ret, "DTR|"); - if (self->settings.dte) - ret--; /* remove the last | */ - ret += sprintf(buf+ret, "\n"); - - ret += sprintf(buf+ret, "DCE status: "); - if (self->settings.dce & IRCOMM_CTS) - ret += sprintf(buf+ret, "CTS|"); - if (self->settings.dce & IRCOMM_DSR) - ret += sprintf(buf+ret, "DSR|"); - if (self->settings.dce & IRCOMM_CD) - ret += sprintf(buf+ret, "CD|"); - if (self->settings.dce & IRCOMM_RI) - ret += sprintf(buf+ret, "RI|"); - if (self->settings.dce) - ret--; /* remove the last | */ - ret += sprintf(buf+ret, "\n"); + seq_printf(m, "DTE status:"); + sep = ' '; + if (self->settings.dte & IRCOMM_RTS) { + seq_printf(m, "%cRTS", sep); + sep = '|'; + } + if (self->settings.dte & IRCOMM_DTR) { + seq_printf(m, "%cDTR", sep); + sep = '|'; + } + seq_putc(m, '\n'); - ret += sprintf(buf+ret, "Configuration: "); + seq_puts(m, "DCE status:"); + sep = ' '; + if (self->settings.dce & IRCOMM_CTS) { + seq_printf(m, "%cCTS", sep); + sep = '|'; + } + if (self->settings.dce & IRCOMM_DSR) { + seq_printf(m, "%cDSR", sep); + sep = '|'; + } + if (self->settings.dce & IRCOMM_CD) { + seq_printf(m, "%cCD", sep); + sep = '|'; + } + if (self->settings.dce & IRCOMM_RI) { + seq_printf(m, "%cRI", sep); + sep = '|'; + } + seq_putc(m, '\n'); + + seq_puts(m, "Configuration: "); if (!self->settings.null_modem) - ret += sprintf(buf+ret, "DTE <-> DCE\n"); + seq_puts(m, "DTE <-> DCE\n"); else - ret += sprintf(buf+ret, - "DTE <-> DTE (null modem emulation)\n"); + seq_puts(m, "DTE <-> DTE (null modem emulation)\n"); - ret += sprintf(buf+ret, "Data rate: %d\n", self->settings.data_rate); + seq_printf(m, "Data rate: %d\n", self->settings.data_rate); - ret += sprintf(buf+ret, "Flow control: "); - if (self->settings.flow_control & IRCOMM_XON_XOFF_IN) - ret += sprintf(buf+ret, "XON_XOFF_IN|"); - if (self->settings.flow_control & IRCOMM_XON_XOFF_OUT) - ret += sprintf(buf+ret, "XON_XOFF_OUT|"); - if (self->settings.flow_control & IRCOMM_RTS_CTS_IN) - ret += sprintf(buf+ret, "RTS_CTS_IN|"); - if (self->settings.flow_control & IRCOMM_RTS_CTS_OUT) - ret += sprintf(buf+ret, "RTS_CTS_OUT|"); - if (self->settings.flow_control & IRCOMM_DSR_DTR_IN) - ret += sprintf(buf+ret, "DSR_DTR_IN|"); - if (self->settings.flow_control & IRCOMM_DSR_DTR_OUT) - ret += sprintf(buf+ret, "DSR_DTR_OUT|"); - if (self->settings.flow_control & IRCOMM_ENQ_ACK_IN) - ret += sprintf(buf+ret, "ENQ_ACK_IN|"); - if (self->settings.flow_control & IRCOMM_ENQ_ACK_OUT) - ret += sprintf(buf+ret, "ENQ_ACK_OUT|"); - if (self->settings.flow_control) - ret--; /* remove the last | */ - ret += sprintf(buf+ret, "\n"); - - ret += sprintf(buf+ret, "Flags: "); - if (self->flags & ASYNC_CTS_FLOW) - ret += sprintf(buf+ret, "ASYNC_CTS_FLOW|"); - if (self->flags & ASYNC_CHECK_CD) - ret += sprintf(buf+ret, "ASYNC_CHECK_CD|"); - if (self->flags & ASYNC_INITIALIZED) - ret += sprintf(buf+ret, "ASYNC_INITIALIZED|"); - if (self->flags & ASYNC_LOW_LATENCY) - ret += sprintf(buf+ret, "ASYNC_LOW_LATENCY|"); - if (self->flags & ASYNC_CLOSING) - ret += sprintf(buf+ret, "ASYNC_CLOSING|"); - if (self->flags & ASYNC_NORMAL_ACTIVE) - ret += sprintf(buf+ret, "ASYNC_NORMAL_ACTIVE|"); - if (self->flags) - ret--; /* remove the last | */ - ret += sprintf(buf+ret, "\n"); - - ret += sprintf(buf+ret, "Role: %s\n", self->client ? - "client" : "server"); - ret += sprintf(buf+ret, "Open count: %d\n", self->open_count); - ret += sprintf(buf+ret, "Max data size: %d\n", self->max_data_size); - ret += sprintf(buf+ret, "Max header size: %d\n", self->max_header_size); + seq_puts(m, "Flow control:"); + sep = ' '; + if (self->settings.flow_control & IRCOMM_XON_XOFF_IN) { + seq_printf(m, "%cXON_XOFF_IN", sep); + sep = '|'; + } + if (self->settings.flow_control & IRCOMM_XON_XOFF_OUT) { + seq_printf(m, "%cXON_XOFF_OUT", sep); + sep = '|'; + } + if (self->settings.flow_control & IRCOMM_RTS_CTS_IN) { + seq_printf(m, "%cRTS_CTS_IN", sep); + sep = '|'; + } + if (self->settings.flow_control & IRCOMM_RTS_CTS_OUT) { + seq_printf(m, "%cRTS_CTS_OUT", sep); + sep = '|'; + } + if (self->settings.flow_control & IRCOMM_DSR_DTR_IN) { + seq_printf(m, "%cDSR_DTR_IN", sep); + sep = '|'; + } + if (self->settings.flow_control & IRCOMM_DSR_DTR_OUT) { + seq_printf(m, "%cDSR_DTR_OUT", sep); + sep = '|'; + } + if (self->settings.flow_control & IRCOMM_ENQ_ACK_IN) { + seq_printf(m, "%cENQ_ACK_IN", sep); + sep = '|'; + } + if (self->settings.flow_control & IRCOMM_ENQ_ACK_OUT) { + seq_printf(m, "%cENQ_ACK_OUT", sep); + sep = '|'; + } + seq_putc(m, '\n'); + + seq_puts(m, "Flags:"); + sep = ' '; + if (self->flags & ASYNC_CTS_FLOW) { + seq_printf(m, "%cASYNC_CTS_FLOW", sep); + sep = '|'; + } + if (self->flags & ASYNC_CHECK_CD) { + seq_printf(m, "%cASYNC_CHECK_CD", sep); + sep = '|'; + } + if (self->flags & ASYNC_INITIALIZED) { + seq_printf(m, "%cASYNC_INITIALIZED", sep); + sep = '|'; + } + if (self->flags & ASYNC_LOW_LATENCY) { + seq_printf(m, "%cASYNC_LOW_LATENCY", sep); + sep = '|'; + } + if (self->flags & ASYNC_CLOSING) { + seq_printf(m, "%cASYNC_CLOSING", sep); + sep = '|'; + } + if (self->flags & ASYNC_NORMAL_ACTIVE) { + seq_printf(m, "%cASYNC_NORMAL_ACTIVE", sep); + sep = '|'; + } + seq_putc(m, '\n'); + + seq_printf(m, "Role: %s\n", self->client ? "client" : "server"); + seq_printf(m, "Open count: %d\n", self->open_count); + seq_printf(m, "Max data size: %d\n", self->max_data_size); + seq_printf(m, "Max header size: %d\n", self->max_header_size); if (self->tty) - ret += sprintf(buf+ret, "Hardware: %s\n", + seq_printf(m, "Hardware: %s\n", self->tty->hw_stopped ? "Stopped" : "Running"); - - ret += sprintf(buf+ret, "\n"); - return ret; } - -/* - * Function ircomm_tty_read_proc (buf, start, offset, len, eof, unused) - * - * - * - */ -static int ircomm_tty_read_proc(char *buf, char **start, off_t offset, int len, - int *eof, void *unused) +static int ircomm_tty_proc_show(struct seq_file *m, void *v) { struct ircomm_tty_cb *self; - int count = 0, l; - off_t begin = 0; unsigned long flags; spin_lock_irqsave(&ircomm_tty->hb_spinlock, flags); self = (struct ircomm_tty_cb *) hashbin_get_first(ircomm_tty); - while ((self != NULL) && (count < 4000)) { + while (self != NULL) { if (self->magic != IRCOMM_TTY_MAGIC) break; - l = ircomm_tty_line_info(self, buf + count); - count += l; - if (count+begin > offset+len) - goto done; - if (count+begin < offset) { - begin += count; - count = 0; - } - + ircomm_tty_line_info(self, m); self = (struct ircomm_tty_cb *) hashbin_get_next(ircomm_tty); } - *eof = 1; -done: spin_unlock_irqrestore(&ircomm_tty->hb_spinlock, flags); + return 0; +} - if (offset >= count+begin) - return 0; - *start = buf + (offset-begin); - return ((len < begin+count-offset) ? len : begin+count-offset); +static int ircomm_tty_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, ircomm_tty_proc_show, NULL); } + +static const struct file_operations ircomm_tty_proc_fops = { + .owner = THIS_MODULE, + .open = ircomm_tty_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; #endif /* CONFIG_PROC_FS */ MODULE_AUTHOR("Dag Brattli <dagb@xxxxxxxxx>"); _ Patches currently in -mm which might be from adobriyan@xxxxxxxxx are seq_file-move-traverse-so-it-can-be-used-from-seq_read.patch seq_file-properly-cope-with-pread.patch linux-next.patch eeepc-should-depend-on-input.patch tags-fix-config-symbols-generation.patch sm501-fix-section-mismatches.patch mpt-remove-unused-struct-mpt_proc_entry_t.patch proc-tty-add-struct-tty_operations-proc_fops.patch proc-tty-switch-cyclades-to-proc_fops.patch proc-tty-switch-ip2-to-proc_fops.patch proc-tty-switch-istallion-to-proc_fops.patch proc-tty-switch-synclink_cs-to-proc_fops.patch proc-tty-switch-stallion-to-proc_fops.patch proc-tty-switch-synclink-to-proc_fops.patch proc-tty-switch-synclink_gt-to-proc_fops.patch proc-tty-switch-synclinkmp-to-proc_fops.patch proc-tty-switch-sdio_uart-to-proc_fops.patch proc-tty-switch-serial_core-to-proc_fops.patch proc-tty-switch-usb-serial-to-proc_fops.patch proc-tty-switch-ircomm-to-proc_fops.patch proc-tty-switch-amiserial-to-proc_fops.patch proc-tty-switch-ia64-simserial-to-proc_fops.patch proc-tty-switch-xtensa-iss-console-to-proc_fops.patch proc-tty-remove-struct-tty_operations-read_proc.patch softirq-introduce-statistics-for-softirq.patch proc-export-statistics-for-softirq-to-proc.patch proc-export-statistics-for-softirq-to-proc-fix.patch proc-update-document-for-proc-softirqs-and-proc-stat.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html