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Diffstat (limited to 'misc/e2freefrag.c')
-rw-r--r--misc/e2freefrag.c74
1 files changed, 47 insertions, 27 deletions
diff --git a/misc/e2freefrag.c b/misc/e2freefrag.c
index a09df6bf..0964e66a 100644
--- a/misc/e2freefrag.c
+++ b/misc/e2freefrag.c
@@ -34,7 +34,9 @@ void usage(const char *prog)
{
fprintf(stderr, "usage: %s [-c chunksize in kb] [-h] "
"device_name\n", prog);
+#ifndef DEBUGFS
exit(1);
+#endif
}
static int ul_log2(unsigned long arg)
@@ -140,7 +142,7 @@ void scan_block_bitmap(ext2_filsys fs, struct chunk_info *info)
update_chunk_stats(info, last_chunk_size);
}
-errcode_t get_chunk_info(ext2_filsys fs, struct chunk_info *info)
+errcode_t get_chunk_info(ext2_filsys fs, struct chunk_info *info, FILE *f)
{
unsigned long total_chunks;
char *unitp = "KMGTPEZY";
@@ -150,20 +152,20 @@ errcode_t get_chunk_info(ext2_filsys fs, struct chunk_info *info)
scan_block_bitmap(fs, info);
- printf("Total blocks: %llu\nFree blocks: %u (%0.1f%%)\n",
- ext2fs_blocks_count(fs->super), fs->super->s_free_blocks_count,
- (double)fs->super->s_free_blocks_count * 100 /
- ext2fs_blocks_count(fs->super));
+ fprintf(f, "Total blocks: %llu\nFree blocks: %u (%0.1f%%)\n",
+ ext2fs_blocks_count(fs->super), fs->super->s_free_blocks_count,
+ (double)fs->super->s_free_blocks_count * 100 /
+ ext2fs_blocks_count(fs->super));
if (info->chunkbytes) {
- printf("\nChunksize: %lu bytes (%u blocks)\n",
- info->chunkbytes, info->blks_in_chunk);
+ fprintf(f, "\nChunksize: %lu bytes (%u blocks)\n",
+ info->chunkbytes, info->blks_in_chunk);
total_chunks = (ext2fs_blocks_count(fs->super) +
info->blks_in_chunk) >>
(info->chunkbits - info->blocksize_bits);
- printf("Total chunks: %lu\nFree chunks: %lu (%0.1f%%)\n",
- total_chunks, info->free_chunks,
- (double)info->free_chunks * 100 / total_chunks);
+ fprintf(f, "Total chunks: %lu\nFree chunks: %lu (%0.1f%%)\n",
+ total_chunks, info->free_chunks,
+ (double)info->free_chunks * 100 / total_chunks);
}
/* Display chunk information in KB */
@@ -176,13 +178,13 @@ errcode_t get_chunk_info(ext2_filsys fs, struct chunk_info *info)
info->min = 0;
}
- printf("\nMin. free extent: %lu KB \nMax. free extent: %lu KB\n"
- "Avg. free extent: %lu KB\n", info->min, info->max, info->avg);
- printf("Num. free extent: %lu\n", info->real_free_chunks);
+ fprintf(f, "\nMin. free extent: %lu KB \nMax. free extent: %lu KB\n"
+ "Avg. free extent: %lu KB\n", info->min, info->max, info->avg);
+ fprintf(f, "Num. free extent: %lu\n", info->real_free_chunks);
- printf("\nHISTOGRAM OF FREE EXTENT SIZES:\n");
- printf("%s : %12s %12s %7s\n", "Extent Size Range", "Free extents",
- "Free Blocks", "Percent");
+ fprintf(f, "\nHISTOGRAM OF FREE EXTENT SIZES:\n");
+ fprintf(f, "%s : %12s %12s %7s\n", "Extent Size Range",
+ "Free extents", "Free Blocks", "Percent");
for (i = 0; i < MAX_HIST; i++) {
end = 1 << (i + info->blocksize_bits - units);
if (info->histogram.fc_chunks[i] != 0) {
@@ -191,12 +193,12 @@ errcode_t get_chunk_info(ext2_filsys fs, struct chunk_info *info)
sprintf(end_str, "%5lu%c-", end, *unitp);
if (i == MAX_HIST-1)
strcpy(end_str, "max ");
- printf("%5lu%c...%7s : %12lu %12lu %6.2f%%\n",
- start, *unitp, end_str,
- info->histogram.fc_chunks[i],
- info->histogram.fc_blocks[i],
- (double)info->histogram.fc_blocks[i] * 100 /
- fs->super->s_free_blocks_count);
+ fprintf(f, "%5lu%c...%7s : %12lu %12lu %6.2f%%\n",
+ start, *unitp, end_str,
+ info->histogram.fc_chunks[i],
+ info->histogram.fc_blocks[i],
+ (double)info->histogram.fc_blocks[i] * 100 /
+ fs->super->s_free_blocks_count);
}
start = end;
if (start == 1<<10) {
@@ -217,12 +219,12 @@ void close_device(char *device_name, ext2_filsys fs)
com_err(device_name, retval, "while closing the filesystem.\n");
}
-void collect_info(ext2_filsys fs, struct chunk_info *chunk_info)
+void collect_info(ext2_filsys fs, struct chunk_info *chunk_info, FILE *f)
{
unsigned int retval = 0;
- printf("Device: %s\n", fs->device_name);
- printf("Blocksize: %u bytes\n", fs->blocksize);
+ fprintf(f, "Device: %s\n", fs->device_name);
+ fprintf(f, "Blocksize: %u bytes\n", fs->blocksize);
retval = ext2fs_read_block_bitmap(fs);
if (retval) {
@@ -233,7 +235,7 @@ void collect_info(ext2_filsys fs, struct chunk_info *chunk_info)
init_chunk_info(fs, chunk_info);
- retval = get_chunk_info(fs, chunk_info);
+ retval = get_chunk_info(fs, chunk_info, f);
if (retval) {
com_err(fs->device_name, retval, "while collecting chunk info");
close_device(fs->device_name, fs);
@@ -253,7 +255,14 @@ void open_device(char *device_name, ext2_filsys *fs)
}
}
+#ifdef DEBUGFS
+
+#include "debugfs.h"
+
+void do_freefrag(int argc, char **argv)
+#else
int main(int argc, char *argv[])
+#endif
{
struct chunk_info chunk_info = { };
errcode_t retval = 0;
@@ -263,7 +272,12 @@ int main(int argc, char *argv[])
char *end;
int c;
+#ifdef DEBUGFS
+ if (check_fs_open(argv[0]))
+ return;
+#else
add_error_table(&et_ext2_error_table);
+#endif
progname = argv[0];
while ((c = getopt(argc, argv, "c:h")) != EOF) {
@@ -290,6 +304,7 @@ int main(int argc, char *argv[])
}
}
+#ifndef DEBUGFS
if (optind == argc) {
fprintf(stderr, "%s: missing device name.\n", progname);
usage(progname);
@@ -298,14 +313,19 @@ int main(int argc, char *argv[])
device_name = argv[optind];
open_device(device_name, &fs);
+#else
+ fs = current_fs;
+#endif
if (chunk_info.chunkbytes && (chunk_info.chunkbytes < fs->blocksize)) {
fprintf(stderr, "%s: chunksize must be greater than or equal "
"to filesystem blocksize.\n", progname);
exit(1);
}
- collect_info(fs, &chunk_info);
+ collect_info(fs, &chunk_info, stdout);
+#ifndef DEBUGFS
close_device(device_name, fs);
return retval;
+#endif
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-15 14:51:23 +0000