diff options
Diffstat (limited to 'test/unistd/tst-fallocate.c')
-rw-r--r-- | test/unistd/tst-fallocate.c | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/test/unistd/tst-fallocate.c b/test/unistd/tst-fallocate.c deleted file mode 100644 index fc81781bb..000000000 --- a/test/unistd/tst-fallocate.c +++ /dev/null @@ -1,166 +0,0 @@ -#include <fcntl.h> -#include <sys/stat.h> - -#ifndef TST_FALLOCATE64 -# define stat64 stat -# define fstat64 fstat -# else -# ifndef O_LARGEFILE -# error no O_LARGEFILE but you want to test with LFS enabled -# endif -#endif - -static void do_prepare(void); -static int do_test(void); -#define PREPARE(argc, argv) do_prepare () -#define TEST_FUNCTION do_test () -#include <test-skeleton.c> - -static int fd; -static void -do_prepare (void) -{ - fd = create_temp_file ("tst-fallocate.", NULL); - if (fd == -1) - { - printf ("cannot create temporary file: %m\n"); - exit (1); - } -} - - -static int -do_test (void) -{ - struct stat64 st; - int c; - char garbage[4096]; - blkcnt_t blksb4; - - if (fstat64 (fd, &st) != 0) - { - puts ("1st fstat failed"); - return 1; - } - - if (st.st_size != 0) - { - puts ("file not created with size 0"); - return 1; - } - - /* This is the default mode which is identical to posix_fallocate(). - Note: we need a few extra blocks for FALLOC_FL_PUNCH_HOLE below. - While block sizes vary, we'll assume eight 4K blocks for good measure. */ - if (fallocate (fd, 0, 8 * 4096, 128) != 0) - { - puts ("1st fallocate call failed"); - return 1; - } - - if (fstat64 (fd, &st) != 0) - { - puts ("2nd fstat failed"); - return 1; - } - - if (st.st_size != 8 * 4096 + 128) - { - printf ("file size after 1st fallocate call is %llu, expected %u\n", - (unsigned long long int) st.st_size, 8u * 4096u + 128u); - return 1; - } - - /* Without FALLOC_FL_KEEP_SIZE, this would increaste the size of the file. */ - if (fallocate (fd, FALLOC_FL_KEEP_SIZE, 0, 16 * 4096) != 0) - { - puts ("2nd fallocate call failed"); - return 1; - } - - if (fstat64 (fd, &st) != 0) - { - puts ("3rd fstat failed"); - return 1; - } - - if (st.st_size != 8 * 4096 + 128) - { - printf ("file size changed in 2nd fallocate call to %llu, expected %u\n", - (unsigned long long int) st.st_size, 8u * 4096u + 128u); - return 1; - } - - /* Let's fill up the first eight 4k blocks with 'x' to force some allocations. */ - - memset(garbage, 'x', 4096); - for(c=0; c < 8; c++) - if(write(fd, garbage, 4096) == -1) - { - puts ("write failed"); - return 1; - } - - if (fstat64 (fd, &st) != 0) - { - puts ("4th fstat failed"); - return 1; - } - - blksb4 = st.st_blocks; - - /* Let's punch a hole in the entire file, turning it effectively into a sparse file. */ - if (fallocate (fd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 8 * 4096 + 128) != 0) - { - puts ("3rd fallocate call failed"); - return 1; - } - - if (fstat64 (fd, &st) != 0) - { - puts ("5th fstat failed"); - return 1; - } - - if (st.st_size != 8 * 4096 + 128) - { - printf ("file size after 3rd fallocate call is %llu, expected %u\n", - (unsigned long long int) st.st_size, 8u * 4096u + 128u); - return 1; - } - - /* The number of allocated blocks should decrease. I hope this works on - all filesystems! */ - if (st.st_blocks >= blksb4) - { - printf ("number of blocks after 3rd fallocate call is %lu, expected less than %lu\n", - (unsigned long int) st.st_blocks, blksb4); - return 1; - } - -#ifdef TST_FALLOCATE64 - /* We'll just do a mode = 0 test for fallocate64() */ - if (fallocate64 (fd, 0, 4097ULL, 4294967295ULL + 2ULL) != 0) - { - puts ("1st fallocate64 call failed"); - return 1; - } - - if (fstat64 (fd, &st) != 0) - { - puts ("6th fstat failed"); - return 1; - } - - if (st.st_size != 4097ULL + 4294967295ULL + 2ULL) - { - printf ("file size after 1st fallocate64 call is %llu, expected %llu\n", - (unsigned long long int) st.st_size, 4097ULL + 4294967295ULL + 2ULL); - return 1; - } -#endif - close (fd); - - return 0; -} - |