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Commit | Line | Data |
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50e1e10f TT |
1 | /* |
2 | * Test to see how quickly we can scan the inode table (not doing | |
3 | * anything else) | |
4 | */ | |
5 | ||
6 | #include <string.h> | |
7 | #include <fcntl.h> | |
8 | #include <ctype.h> | |
9 | #include <termios.h> | |
10 | #include <time.h> | |
11 | #ifdef HAVE_GETOPT_H | |
12 | #include <getopt.h> | |
13 | #endif | |
14 | #include <unistd.h> | |
15 | #ifdef HAVE_ERRNO_H | |
16 | #include <errno.h> | |
17 | #endif | |
18 | #ifdef HAVE_MNTENT_H | |
19 | #include <mntent.h> | |
20 | #endif | |
21 | #include <sys/ioctl.h> | |
22 | #include <malloc.h> | |
23 | ||
24 | #include "et/com_err.h" | |
25 | #include "e2fsck.h" | |
26 | #include "../version.h" | |
27 | ||
28 | extern int isatty(int); | |
29 | ||
30 | const char * program_name = "iscan"; | |
31 | const char * device_name = NULL; | |
32 | ||
33 | int yflag = 0; | |
34 | int nflag = 0; | |
35 | int preen = 0; | |
36 | int inode_buffer_blocks = 0; | |
37 | int invalid_bitmaps = 0; | |
38 | ||
39 | struct resource_track global_rtrack; | |
40 | ||
41 | static void usage(NOARGS) | |
42 | { | |
43 | fprintf(stderr, | |
44 | "Usage: %s [-F] [-I inode_buffer_blocks] device\n", | |
45 | program_name); | |
46 | exit(1); | |
47 | } | |
48 | ||
49 | static void PRS(int argc, char *argv[]) | |
50 | { | |
51 | int flush = 0; | |
52 | char c; | |
53 | #ifdef MTRACE | |
54 | extern void *mallwatch; | |
55 | #endif | |
56 | ||
57 | setbuf(stdout, NULL); | |
58 | setbuf(stderr, NULL); | |
59 | initialize_ext2_error_table(); | |
60 | ||
61 | if (argc && *argv) | |
62 | program_name = *argv; | |
63 | while ((c = getopt (argc, argv, "FI")) != EOF) | |
64 | switch (c) { | |
65 | case 'F': | |
66 | #ifdef BLKFLSBUF | |
67 | flush = 1; | |
68 | #else | |
f8188fff TT |
69 | fprintf(stderr, "-F not supported"); |
70 | exit(1); | |
50e1e10f TT |
71 | #endif |
72 | break; | |
73 | case 'I': | |
74 | inode_buffer_blocks = atoi(optarg); | |
75 | break; | |
76 | default: | |
77 | usage (); | |
78 | } | |
79 | device_name = argv[optind]; | |
80 | if (flush) { | |
81 | #ifdef BLKFLSBUF | |
82 | int fd = open(device_name, O_RDONLY, 0); | |
83 | ||
84 | if (fd < 0) { | |
85 | com_err("open", errno, "while opening %s for flushing", | |
86 | device_name); | |
87 | exit(FSCK_ERROR); | |
88 | } | |
89 | if (ioctl(fd, BLKFLSBUF, 0) < 0) { | |
90 | com_err("BLKFLSBUF", errno, "while trying to flush %s", | |
91 | device_name); | |
92 | exit(FSCK_ERROR); | |
93 | } | |
94 | close(fd); | |
95 | #else | |
f8188fff TT |
96 | fprintf(stderr, "BLKFLSBUF not supported"); |
97 | exit(1); | |
50e1e10f TT |
98 | #endif /* BLKFLSBUF */ |
99 | } | |
100 | } | |
101 | ||
102 | int main (int argc, char *argv[]) | |
103 | { | |
104 | errcode_t retval = 0; | |
105 | int exit_value = FSCK_OK; | |
106 | ext2_filsys fs; | |
107 | ino_t ino; | |
108 | int num_inodes = 0; | |
109 | struct ext2_inode inode; | |
110 | ext2_inode_scan scan; | |
111 | ||
112 | init_resource_track(&global_rtrack); | |
113 | ||
114 | PRS(argc, argv); | |
115 | ||
116 | retval = ext2fs_open(device_name, 0, | |
117 | 0, 0, unix_io_manager, &fs); | |
118 | if (retval) { | |
119 | com_err(program_name, retval, "while trying to open %s", | |
120 | device_name); | |
121 | exit(1); | |
122 | } | |
123 | ||
124 | ehandler_init(fs->io); | |
125 | ||
126 | retval = ext2fs_open_inode_scan(fs, inode_buffer_blocks, &scan); | |
127 | if (retval) { | |
128 | com_err(program_name, retval, "while opening inode scan"); | |
f8188fff | 129 | exit(1); |
50e1e10f TT |
130 | } |
131 | ||
132 | while (1) { | |
133 | retval = ext2fs_get_next_inode(scan, &ino, &inode); | |
134 | if (retval) { | |
135 | com_err(program_name, retval, | |
136 | "while getting next inode"); | |
f8188fff | 137 | exit(1); |
50e1e10f TT |
138 | } |
139 | if (ino == 0) | |
140 | break; | |
141 | num_inodes++; | |
142 | } | |
143 | ||
1b6bf175 | 144 | print_resource_track(NULL, &global_rtrack); |
50e1e10f TT |
145 | printf("%d inodes scanned.\n", num_inodes); |
146 | ||
147 | exit(0); | |
148 | } |