On 11/13/23 15:33, zilong zhang wrote:
Replace invisible character with a space. The diff looks like this on my terminal: -^L
Could those have been intentional form feeds for some code formatting or printing or editing tools?
https://en.wikipedia.org/wiki/Page_break#Form_feed
+ Signed-off-by: zilong zhang <NeoPerceval@xxxxxxxxxxx> --- drivers/scsi/st.c | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 338aa8c42968..19d86257036d 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -230,7 +230,7 @@ static DEFINE_SPINLOCK(st_use_lock); static DEFINE_IDR(st_index_idr); - + #ifndef SIGS_FROM_OSST #define SIGS_FROM_OSST \ {"OnStream", "SC-", "", "osst"}, \ @@ -308,7 +308,7 @@ static char * st_incompatible(struct scsi_device* SDp) } return NULL; } - + #define st_printk(prefix, t, fmt, a...) \ sdev_prefix_printk(prefix, (t)->device, (t)->name, fmt, ##a) @@ -880,7 +880,7 @@ static int flush_buffer(struct scsi_tape *STp, int seek_next) return result; } - + /* Set the mode parameters */ static int set_mode_densblk(struct scsi_tape * STp, struct st_modedef * STm) { @@ -955,7 +955,7 @@ static void reset_state(struct scsi_tape *STp) STp->new_partition = STp->partition; } } - + /* Test if the drive is ready. Returns either one of the codes below or a negative system error code. */ #define CHKRES_READY 0 @@ -1244,7 +1244,7 @@ static int check_tape(struct scsi_tape *STp, struct file *filp) } -/* Open the device. Needs to take the BKL only because of incrementing the SCSI host +/* Open the device. Needs to take the BKL only because of incrementing the SCSI host module count. */ static int st_open(struct inode *inode, struct file *filp) { @@ -1337,7 +1337,7 @@ static int st_open(struct inode *inode, struct file *filp) return retval; } - + /* Flush the tape buffer before close */ static int st_flush(struct file *filp, fl_owner_t id) @@ -1891,7 +1891,7 @@ st_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos) return retval; } - + /* Read data from the tape. Returns zero in the normal case, one if the eof status has changed, and the negative error code in case of a fatal error. Otherwise updates the buffer and the eof state. @@ -2090,7 +2090,7 @@ static long read_tape(struct scsi_tape *STp, long count, } return retval; } - + /* Read command */ static ssize_t @@ -2238,7 +2238,7 @@ st_read(struct file *filp, char __user *buf, size_t count, loff_t * ppos) return retval; } - + DEB( @@ -2452,7 +2452,7 @@ static int st_set_options(struct scsi_tape *STp, long options) return 0; } - + #define MODE_HEADER_LENGTH 4 /* Mode header and page byte offsets */ @@ -2670,7 +2670,7 @@ static int do_load_unload(struct scsi_tape *STp, struct file *filp, int load_cod return retval; } - + #if DEBUG #define ST_DEB_FORWARD 0 #define ST_DEB_BACKWARD 1 @@ -3096,7 +3096,7 @@ static int st_int_ioctl(struct scsi_tape *STp, unsigned int cmd_in, unsigned lon return ioctl_result; } - + /* Get the tape position. If bt == 2, arg points into a kernel space mt_loc structure. */ @@ -3288,7 +3288,7 @@ static int switch_partition(struct scsi_tape *STp) STps->last_block_visited = 0; return set_location(STp, STps->last_block_visited, STp->new_partition, 1); } - + /* Functions for reading and writing the medium partition mode page. */ #define PART_PAGE 0x11 @@ -3496,7 +3496,7 @@ static int partition_tape(struct scsi_tape *STp, int size) out: return result; } - + /* The ioctl command */ @@ -3864,7 +3864,7 @@ static long st_compat_ioctl(struct file *file, unsigned int cmd_in, unsigned lon } #endif - + /* Try to allocate a new tape buffer. Calling function must not hold dev_arr_lock. */
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