diff options
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_stats.c | 51 | ||||
| -rw-r--r-- | fs/xfs/quota/xfs_qm_stats.c | 78 |
2 files changed, 55 insertions, 74 deletions
diff --git a/fs/xfs/linux-2.6/xfs_stats.c b/fs/xfs/linux-2.6/xfs_stats.c index c3526d445f6..76fdc586193 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; diff --git a/fs/xfs/quota/xfs_qm_stats.c b/fs/xfs/quota/xfs_qm_stats.c index 21b08c0396a..83e7ea3e25f 100644 --- a/fs/xfs/quota/xfs_qm_stats.c +++ b/fs/xfs/quota/xfs_qm_stats.c @@ -48,50 +48,34 @@ struct xqmstats xqmstats; -STATIC int -xfs_qm_read_xfsquota( - char *buffer, - char **start, - off_t offset, - int count, - int *eof, - void *data) +static int xqm_proc_show(struct seq_file *m, void *v) { - int len; - /* maximum; incore; ratio free to inuse; freelist */ - len = sprintf(buffer, "%d\t%d\t%d\t%u\n", + seq_printf(m, "%d\t%d\t%d\t%u\n", ndquot, xfs_Gqm? atomic_read(&xfs_Gqm->qm_totaldquots) : 0, xfs_Gqm? xfs_Gqm->qm_dqfree_ratio : 0, xfs_Gqm? xfs_Gqm->qm_dqfreelist.qh_nelems : 0); - - if (offset >= len) { - *start = buffer; - *eof = 1; - return 0; - } - *start = buffer + offset; - if ((len -= offset) > count) - return count; - *eof = 1; - - return len; + return 0; } -STATIC int -xfs_qm_read_stats( - char *buffer, - char **start, - off_t offset, - int count, - int *eof, - void *data) +static int xqm_proc_open(struct inode *inode, struct file *file) { - int len; + return single_open(file, xqm_proc_show, NULL); +} + +static const struct file_operations xqm_proc_fops = { + .owner = THIS_MODULE, + .open = xqm_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; +static int xqmstat_proc_show(struct seq_file *m, void *v) +{ /* quota performance statistics */ - len = sprintf(buffer, "qm %u %u %u %u %u %u %u %u\n", + seq_printf(m, "qm %u %u %u %u %u %u %u %u\n", xqmstats.xs_qm_dqreclaims, xqmstats.xs_qm_dqreclaim_misses, xqmstats.xs_qm_dquot_dups, @@ -100,25 +84,27 @@ xfs_qm_read_stats( xqmstats.xs_qm_dqwants, xqmstats.xs_qm_dqshake_reclaims, xqmstats.xs_qm_dqinact_reclaims); + 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 xqmstat_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, xqmstat_proc_show, NULL); } +static const struct file_operations xqmstat_proc_fops = { + .owner = THIS_MODULE, + .open = xqmstat_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + void xfs_qm_init_procfs(void) { - create_proc_read_entry("fs/xfs/xqmstat", 0, NULL, xfs_qm_read_stats, NULL); - create_proc_read_entry("fs/xfs/xqm", 0, NULL, xfs_qm_read_xfsquota, NULL); + proc_create("fs/xfs/xqmstat", 0, NULL, &xqmstat_proc_fops); + proc_create("fs/xfs/xqm", 0, NULL, &xqm_proc_fops); } void |