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author | Alexey Dobriyan <adobriyan@gmail.com> | 2009-08-28 23:55:00 +0400 |
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committer | Alex Elder <aelder@sgi.com> | 2009-09-15 12:29:24 -0500 |
commit | 361735fd8ff8f7d8b9f0e134d0d99d99ee193d92 (patch) | |
tree | 16cc89f80380bc6d7fec6dee0c3553039fc671da /fs/xfs/linux-2.6/xfs_stats.c | |
parent | f08a59f1467b92cd9b8c78961506f69c74bb01a5 (diff) | |
download | linux-361735fd8ff8f7d8b9f0e134d0d99d99ee193d92.tar.bz2 |
xfs: switch to seq_file
create_proc_read_entry() is getting deprecated.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Alex Elder <aelder@sgi.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_stats.c')
-rw-r--r-- | fs/xfs/linux-2.6/xfs_stats.c | 51 |
1 files changed, 23 insertions, 28 deletions
diff --git a/fs/xfs/linux-2.6/xfs_stats.c b/fs/xfs/linux-2.6/xfs_stats.c index c3526d445f6a..76fdc5861932 100644 --- a/fs/xfs/linux-2.6/xfs_stats.c +++ b/fs/xfs/linux-2.6/xfs_stats.c @@ -20,16 +20,9 @@ DEFINE_PER_CPU(struct xfsstats, xfsstats); -STATIC int -xfs_read_xfsstats( - char *buffer, - char **start, - off_t offset, - int count, - int *eof, - void *data) +static int xfs_stat_proc_show(struct seq_file *m, void *v) { - int c, i, j, len, val; + int c, i, j, val; __uint64_t xs_xstrat_bytes = 0; __uint64_t xs_write_bytes = 0; __uint64_t xs_read_bytes = 0; @@ -60,18 +53,18 @@ xfs_read_xfsstats( }; /* Loop over all stats groups */ - for (i=j=len = 0; i < ARRAY_SIZE(xstats); i++) { - len += sprintf(buffer + len, "%s", xstats[i].desc); + for (i=j = 0; i < ARRAY_SIZE(xstats); i++) { + seq_printf(m, "%s", xstats[i].desc); /* inner loop does each group */ while (j < xstats[i].endpoint) { val = 0; /* sum over all cpus */ for_each_possible_cpu(c) val += *(((__u32*)&per_cpu(xfsstats, c) + j)); - len += sprintf(buffer + len, " %u", val); + seq_printf(m, " %u", val); j++; } - buffer[len++] = '\n'; + seq_putc(m, '\n'); } /* extra precision counters */ for_each_possible_cpu(i) { @@ -80,36 +73,38 @@ xfs_read_xfsstats( xs_read_bytes += per_cpu(xfsstats, i).xs_read_bytes; } - len += sprintf(buffer + len, "xpc %Lu %Lu %Lu\n", + seq_printf(m, "xpc %Lu %Lu %Lu\n", xs_xstrat_bytes, xs_write_bytes, xs_read_bytes); - len += sprintf(buffer + len, "debug %u\n", + seq_printf(m, "debug %u\n", #if defined(DEBUG) 1); #else 0); #endif + return 0; +} - if (offset >= len) { - *start = buffer; - *eof = 1; - return 0; - } - *start = buffer + offset; - if ((len -= offset) > count) - return count; - *eof = 1; - - return len; +static int xfs_stat_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, xfs_stat_proc_show, NULL); } +static const struct file_operations xfs_stat_proc_fops = { + .owner = THIS_MODULE, + .open = xfs_stat_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + int xfs_init_procfs(void) { if (!proc_mkdir("fs/xfs", NULL)) goto out; - if (!create_proc_read_entry("fs/xfs/stat", 0, NULL, - xfs_read_xfsstats, NULL)) + if (!proc_create("fs/xfs/stat", 0, NULL, + &xfs_stat_proc_fops)) goto out_remove_entry; return 0; |