Commit | Line | Data |
---|---|---|
6e7d7dfb | 1 | /* |
2 | * glusterfs engine | |
3 | * | |
cc47f094 | 4 | * common Glusterfs's gfapi interface |
6e7d7dfb | 5 | * |
6 | */ | |
7 | ||
cc47f094 | 8 | #include "gfapi.h" |
6e7d7dfb | 9 | |
cc47f094 | 10 | struct fio_option gfapi_options[] = { |
b29c813f JA |
11 | { |
12 | .name = "volume", | |
13 | .lname = "Glusterfs volume", | |
14 | .type = FIO_OPT_STR_STORE, | |
15 | .help = "Name of the Glusterfs volume", | |
16 | .off1 = offsetof(struct gf_options, gf_vol), | |
17 | .category = FIO_OPT_C_ENGINE, | |
18 | .group = FIO_OPT_G_GFAPI, | |
19 | }, | |
20 | { | |
21 | .name = "brick", | |
22 | .lname = "Glusterfs brick name", | |
23 | .type = FIO_OPT_STR_STORE, | |
24 | .help = "Name of the Glusterfs brick to connect", | |
25 | .off1 = offsetof(struct gf_options, gf_brick), | |
26 | .category = FIO_OPT_C_ENGINE, | |
27 | .group = FIO_OPT_G_GFAPI, | |
28 | }, | |
29 | { | |
30 | .name = NULL, | |
31 | }, | |
6e7d7dfb | 32 | }; |
33 | ||
cc47f094 | 34 | int fio_gf_setup(struct thread_data *td) |
6e7d7dfb | 35 | { |
36 | int r = 0; | |
37 | struct gf_data *g = NULL; | |
38 | struct gf_options *opt = td->eo; | |
b29c813f | 39 | struct stat sb = { 0, }; |
7cb57176 | 40 | |
41 | dprint(FD_IO, "fio setup\n"); | |
6e7d7dfb | 42 | |
43 | if (td->io_ops->data) | |
b29c813f | 44 | return 0; |
6e7d7dfb | 45 | |
46 | g = malloc(sizeof(struct gf_data)); | |
b29c813f JA |
47 | if (!g) { |
48 | log_err("malloc failed.\n"); | |
49 | return -ENOMEM; | |
6e7d7dfb | 50 | } |
b29c813f JA |
51 | g->fs = NULL; |
52 | g->fd = NULL; | |
53 | g->aio_events = NULL; | |
54 | ||
55 | g->fs = glfs_new(opt->gf_vol); | |
56 | if (!g->fs) { | |
57 | log_err("glfs_new failed.\n"); | |
58 | goto cleanup; | |
6e7d7dfb | 59 | } |
b29c813f | 60 | glfs_set_logging(g->fs, "/tmp/fio_gfapi.log", 7); |
6e7d7dfb | 61 | /* default to tcp */ |
7cb57176 | 62 | r = glfs_set_volfile_server(g->fs, "tcp", opt->gf_brick, 0); |
b29c813f JA |
63 | if (r) { |
64 | log_err("glfs_set_volfile_server failed.\n"); | |
65 | goto cleanup; | |
6e7d7dfb | 66 | } |
67 | r = glfs_init(g->fs); | |
b29c813f JA |
68 | if (r) { |
69 | log_err("glfs_init failed. Is glusterd running on brick?\n"); | |
70 | goto cleanup; | |
7cb57176 | 71 | } |
72 | sleep(2); | |
b29c813f JA |
73 | r = glfs_lstat(g->fs, ".", &sb); |
74 | if (r) { | |
75 | log_err("glfs_lstat failed.\n"); | |
76 | goto cleanup; | |
6e7d7dfb | 77 | } |
7cb57176 | 78 | dprint(FD_FILE, "fio setup %p\n", g->fs); |
6e7d7dfb | 79 | td->io_ops->data = g; |
80 | cleanup: | |
b29c813f JA |
81 | if (r) { |
82 | if (g) { | |
83 | if (g->fs) { | |
84 | glfs_fini(g->fs); | |
85 | } | |
86 | free(g); | |
87 | td->io_ops->data = NULL; | |
88 | } | |
6e7d7dfb | 89 | } |
90 | return r; | |
91 | } | |
92 | ||
cc47f094 | 93 | void fio_gf_cleanup(struct thread_data *td) |
6e7d7dfb | 94 | { |
cc47f094 | 95 | struct gf_data *g = td->io_ops->data; |
96 | ||
97 | if (g) { | |
b29c813f JA |
98 | if (g->aio_events) |
99 | free(g->aio_events); | |
100 | if (g->fd) | |
101 | glfs_close(g->fd); | |
102 | if (g->fs) | |
103 | glfs_fini(g->fs); | |
104 | free(g); | |
105 | td->io_ops->data = NULL; | |
cc47f094 | 106 | } |
6e7d7dfb | 107 | } |
108 | ||
cc47f094 | 109 | int fio_gf_get_file_size(struct thread_data *td, struct fio_file *f) |
6e7d7dfb | 110 | { |
b29c813f JA |
111 | struct stat buf; |
112 | int ret; | |
113 | struct gf_data *g = td->io_ops->data; | |
6e7d7dfb | 114 | |
b29c813f | 115 | dprint(FD_FILE, "get file size %s\n", f->file_name); |
6aa56500 | 116 | |
b29c813f JA |
117 | if (!g || !g->fs) { |
118 | return 0; | |
119 | } | |
120 | if (fio_file_size_known(f)) | |
121 | return 0; | |
6e7d7dfb | 122 | |
b29c813f JA |
123 | ret = glfs_lstat(g->fs, f->file_name, &buf); |
124 | if (ret < 0) { | |
125 | log_err("glfs_lstat failed.\n"); | |
126 | return ret; | |
127 | } | |
6e7d7dfb | 128 | |
b29c813f JA |
129 | f->real_file_size = buf.st_size; |
130 | fio_file_set_size_known(f); | |
6e7d7dfb | 131 | |
b29c813f | 132 | return 0; |
6e7d7dfb | 133 | |
134 | } | |
135 | ||
cc47f094 | 136 | int fio_gf_open_file(struct thread_data *td, struct fio_file *f) |
6e7d7dfb | 137 | { |
a8a93dee | 138 | |
b29c813f JA |
139 | int flags = 0; |
140 | int ret = 0; | |
141 | struct gf_data *g = td->io_ops->data; | |
142 | struct stat sb = { 0, }; | |
143 | ||
144 | if (td_write(td)) { | |
145 | if (!read_only) | |
146 | flags = O_RDWR; | |
147 | } else if (td_read(td)) { | |
148 | if (!read_only) | |
149 | flags = O_RDWR; | |
150 | else | |
151 | flags = O_RDONLY; | |
152 | } | |
153 | dprint(FD_FILE, "fio file %s open mode %s td rw %s\n", f->file_name, | |
154 | flags == O_RDONLY ? "ro" : "rw", td_read(td) ? "read" : "write"); | |
155 | g->fd = glfs_creat(g->fs, f->file_name, flags, 0644); | |
156 | if (!g->fd) { | |
157 | log_err("glfs_creat failed.\n"); | |
158 | ret = errno; | |
159 | } | |
160 | /* file for read doesn't exist or shorter than required, create/extend it */ | |
161 | if (td_read(td)) { | |
162 | if (glfs_lstat(g->fs, f->file_name, &sb) | |
163 | || sb.st_size < f->real_file_size) { | |
164 | dprint(FD_FILE, "fio extend file %s from %ld to %ld\n", | |
165 | f->file_name, sb.st_size, f->real_file_size); | |
166 | ret = glfs_ftruncate(g->fd, f->real_file_size); | |
167 | if (ret) { | |
168 | log_err("failed fio extend file %s to %ld\n", | |
169 | f->file_name, f->real_file_size); | |
170 | } else { | |
171 | unsigned long long left; | |
172 | unsigned int bs; | |
173 | char *b; | |
174 | int r; | |
175 | ||
176 | /* fill the file, copied from extend_file */ | |
177 | b = malloc(td->o.max_bs[DDIR_WRITE]); | |
178 | ||
179 | left = f->real_file_size; | |
180 | while (left && !td->terminate) { | |
181 | bs = td->o.max_bs[DDIR_WRITE]; | |
182 | if (bs > left) | |
183 | bs = left; | |
184 | ||
185 | fill_io_buffer(td, b, bs, bs); | |
186 | ||
187 | r = glfs_write(g->fd, b, bs, 0); | |
188 | dprint(FD_IO, | |
189 | "fio write %d of %ld file %s\n", | |
190 | r, f->real_file_size, | |
191 | f->file_name); | |
192 | ||
193 | if (r > 0) { | |
194 | left -= r; | |
195 | continue; | |
196 | } else { | |
197 | if (r < 0) { | |
198 | int __e = errno; | |
199 | ||
200 | if (__e == ENOSPC) { | |
201 | if (td->o. | |
202 | fill_device) | |
203 | break; | |
204 | log_info | |
205 | ("fio: ENOSPC on laying out " | |
206 | "file, stopping\n"); | |
207 | break; | |
208 | } | |
209 | td_verror(td, errno, | |
210 | "write"); | |
211 | } else | |
212 | td_verror(td, EIO, | |
213 | "write"); | |
214 | ||
215 | break; | |
216 | } | |
217 | } | |
218 | ||
219 | if (b) | |
220 | free(b); | |
221 | glfs_lseek(g->fd, 0, SEEK_SET); | |
222 | ||
223 | if (td->terminate) { | |
224 | dprint(FD_FILE, "terminate unlink %s\n", | |
225 | f->file_name); | |
226 | unlink(f->file_name); | |
227 | } else if (td->o.create_fsync) { | |
228 | if (glfs_fsync(g->fd) < 0) { | |
229 | dprint(FD_FILE, | |
230 | "failed to sync, close %s\n", | |
231 | f->file_name); | |
232 | td_verror(td, errno, "fsync"); | |
233 | glfs_close(g->fd); | |
234 | g->fd = NULL; | |
235 | return 1; | |
236 | } | |
237 | } | |
238 | } | |
239 | } | |
240 | } | |
6fa14b99 | 241 | #if defined(GFAPI_USE_FADVISE) |
b29c813f JA |
242 | { |
243 | int r = 0; | |
244 | if (td_random(td)) { | |
245 | r = glfs_fadvise(g->fd, 0, f->real_file_size, | |
246 | POSIX_FADV_RANDOM); | |
247 | } else { | |
248 | r = glfs_fadvise(g->fd, 0, f->real_file_size, | |
249 | POSIX_FADV_SEQUENTIAL); | |
250 | } | |
251 | if (r) { | |
252 | dprint(FD_FILE, "fio %p fadvise %s status %d\n", g->fs, | |
253 | f->file_name, r); | |
254 | } | |
255 | } | |
6fa14b99 | 256 | #endif |
b29c813f JA |
257 | dprint(FD_FILE, "fio %p created %s\n", g->fs, f->file_name); |
258 | f->fd = -1; | |
259 | f->shadow_fd = -1; | |
7cb57176 | 260 | |
b29c813f | 261 | return ret; |
6e7d7dfb | 262 | } |
263 | ||
cc47f094 | 264 | int fio_gf_close_file(struct thread_data *td, struct fio_file *f) |
6e7d7dfb | 265 | { |
266 | int ret = 0; | |
267 | struct gf_data *g = td->io_ops->data; | |
268 | ||
269 | dprint(FD_FILE, "fd close %s\n", f->file_name); | |
270 | ||
b29c813f JA |
271 | if (g) { |
272 | if (g->fd && glfs_close(g->fd) < 0) | |
273 | ret = errno; | |
7cb57176 | 274 | |
b29c813f JA |
275 | if (g->fs) |
276 | glfs_fini(g->fs); | |
6e7d7dfb | 277 | |
b29c813f JA |
278 | g->fd = NULL; |
279 | free(g); | |
280 | } | |
7cb57176 | 281 | td->io_ops->data = NULL; |
6e7d7dfb | 282 | f->engine_data = 0; |
283 | ||
284 | return ret; | |
285 | } |