diff options
Diffstat (limited to 'tests/fs-tests/integrity')
| -rw-r--r-- | tests/fs-tests/integrity/integck.c | 126 |
1 files changed, 69 insertions, 57 deletions
diff --git a/tests/fs-tests/integrity/integck.c b/tests/fs-tests/integrity/integck.c index 1703364..4f39ce3 100644 --- a/tests/fs-tests/integrity/integck.c +++ b/tests/fs-tests/integrity/integck.c @@ -1776,8 +1776,47 @@ static void symlink_remove(struct symlink_info *symlink) free(path); } -static void operate_on_dir(struct dir_info *dir); -static void operate_on_file(struct file_info *file); +static int operate_on_dir(struct dir_info *dir); + +/* Randomly select something to do with a file */ +static void operate_on_file(struct file_info *file) +{ + /* Try to keep at least 10 files open */ + if (open_files_count < 10) { + file_open(file); + return; + } + /* Try to keep about 20 files open */ + if (open_files_count < 20 && random_no(2) == 0) { + file_open(file); + return; + } + /* Try to keep up to 40 files open */ + if (open_files_count < 40 && random_no(20) == 0) { + file_open(file); + return; + } + /* Occasionly truncate */ + if (shrink && random_no(100) == 0) { + file_truncate_file(file); + return; + } + /* Mostly just write */ + file_write_file(file); + /* Once in a while check it too */ + if (random_no(100) == 1) { + int fd = -2; + + if (file->links) + fd = -1; + else if (file->fds) + fd = file->fds->fd; + if (fd != -2) { + check_run_no += 1; + file_check(file, fd); + } + } +} /* Randomly select something to do with a directory entry */ static void operate_on_entry(struct dir_entry_info *entry) @@ -1818,8 +1857,10 @@ static void operate_on_entry(struct dir_entry_info *entry) } } -/* Randomly select something to do with a directory */ -static void operate_on_dir(struct dir_info *dir) +/* + * Randomly select something to do with a directory. + */ +static int operate_on_dir(struct dir_info *dir) { struct dir_entry_info *entry; struct file_info *file; @@ -1849,54 +1890,17 @@ static void operate_on_dir(struct dir_info *dir) if (entry) operate_on_entry(entry); } -} -/* Randomly select something to do with a file */ -static void operate_on_file(struct file_info *file) -{ - /* Try to keep at least 10 files open */ - if (open_files_count < 10) { - file_open(file); - return; - } - /* Try to keep about 20 files open */ - if (open_files_count < 20 && random_no(2) == 0) { - file_open(file); - return; - } - /* Try to keep up to 40 files open */ - if (open_files_count < 40 && random_no(20) == 0) { - file_open(file); - return; - } - /* Occasionly truncate */ - if (shrink && random_no(100) == 0) { - file_truncate_file(file); - return; - } - /* Mostly just write */ - file_write_file(file); - /* Once in a while check it too */ - if (random_no(100) == 1) { - int fd = -2; - - if (file->links) - fd = -1; - else if (file->fds) - fd = file->fds->fd; - if (fd != -2) { - check_run_no += 1; - file_check(file, fd); - } - } + return 0; } -/* Randomly select something to do with an open file */ -static void operate_on_open_file(struct fd_info *fdi) +/* + * Randomly select something to do with an open file. + */ +static int operate_on_open_file(struct fd_info *fdi) { - unsigned int r; + unsigned int r = random_no(1000); - r = random_no(1000); if (shrink && r < 5) file_truncate(fdi->file, fdi->fd); else if (r < 21) @@ -1912,10 +1916,14 @@ static void operate_on_open_file(struct fd_info *fdi) CHECK(fdatasync(fdi->fd) == 0); } } + + return 0; } -/* Select an open file at random */ -static void operate_on_an_open_file(void) +/* + * Randomly select an open file and do a random operation on it. + */ +static int operate_on_an_open_file(void) { unsigned int r; struct open_file_info *ofi; @@ -1928,9 +1936,10 @@ static void operate_on_an_open_file(void) x &= 127; if (x == 0) { close_open_files(); - return; + return 0; } } + /* Close any open files that have errored */ if (!fsinfo.nospc_size_ok) { ofi = open_files; @@ -1945,23 +1954,26 @@ static void operate_on_an_open_file(void) ofi = ofi->next; } } + r = random_no(open_files_count); - for (ofi = open_files; ofi; ofi = ofi->next, --r) + for (ofi = open_files; ofi; ofi = ofi->next, r--) if (!r) { - operate_on_open_file(ofi->fdi); - return; + return operate_on_open_file(ofi->fdi); } + + return 0; } +/* + * Do a random file-system operation. + */ static int do_an_operation(void) { /* Half the time operate on already open files */ if (random_no(100) < 50) - operate_on_dir(top_dir); + return operate_on_dir(top_dir); else - operate_on_an_open_file(); - - return 0; + return operate_on_an_open_file(); } /* |