| ext2_vfsops.c (228583) | ext2_vfsops.c (232703) |
|---|---|
| 1/*- 2 * modified for EXT2FS support in Lites 1.1 3 * 4 * Aug 1995, Godmar Back (gback@cs.utah.edu) 5 * University of Utah, Department of Computer Science 6 */ 7/*- 8 * Copyright (c) 1989, 1991, 1993, 1994 --- 19 unchanged lines hidden (view full) --- 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)ffs_vfsops.c 8.8 (Berkeley) 4/18/94 | 1/*- 2 * modified for EXT2FS support in Lites 1.1 3 * 4 * Aug 1995, Godmar Back (gback@cs.utah.edu) 5 * University of Utah, Department of Computer Science 6 */ 7/*- 8 * Copyright (c) 1989, 1991, 1993, 1994 --- 19 unchanged lines hidden (view full) --- 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)ffs_vfsops.c 8.8 (Berkeley) 4/18/94 |
| 36 * $FreeBSD: head/sys/fs/ext2fs/ext2_vfsops.c 228583 2011-12-16 15:47:43Z pfg $ | 36 * $FreeBSD: head/sys/fs/ext2fs/ext2_vfsops.c 232703 2012-03-08 21:06:05Z pfg $ |
| 37 */ 38 39#include <sys/param.h> 40#include <sys/systm.h> 41#include <sys/namei.h> 42#include <sys/priv.h> 43#include <sys/proc.h> 44#include <sys/kernel.h> 45#include <sys/vnode.h> 46#include <sys/mount.h> 47#include <sys/bio.h> 48#include <sys/buf.h> 49#include <sys/conf.h> | 37 */ 38 39#include <sys/param.h> 40#include <sys/systm.h> 41#include <sys/namei.h> 42#include <sys/priv.h> 43#include <sys/proc.h> 44#include <sys/kernel.h> 45#include <sys/vnode.h> 46#include <sys/mount.h> 47#include <sys/bio.h> 48#include <sys/buf.h> 49#include <sys/conf.h> |
| 50#include <sys/endian.h> |
|
| 50#include <sys/fcntl.h> 51#include <sys/malloc.h> 52#include <sys/stat.h> 53#include <sys/mutex.h> 54 55#include <geom/geom.h> 56#include <geom/geom_vfs.h> 57 --- 276 unchanged lines hidden (view full) --- 334 fs->e2fs_isize = E2FS_REV0_INODE_SIZE ; 335 } else { 336 fs->e2fs_first_inode = es->e2fs_first_ino; 337 fs->e2fs_isize = es->e2fs_inode_size; 338 339 /* 340 * Simple sanity check for superblock inode size value. 341 */ | 51#include <sys/fcntl.h> 52#include <sys/malloc.h> 53#include <sys/stat.h> 54#include <sys/mutex.h> 55 56#include <geom/geom.h> 57#include <geom/geom_vfs.h> 58 --- 276 unchanged lines hidden (view full) --- 335 fs->e2fs_isize = E2FS_REV0_INODE_SIZE ; 336 } else { 337 fs->e2fs_first_inode = es->e2fs_first_ino; 338 fs->e2fs_isize = es->e2fs_inode_size; 339 340 /* 341 * Simple sanity check for superblock inode size value. 342 */ |
| 342 if (fs->e2fs_isize < E2FS_REV0_INODE_SIZE || 343 fs->e2fs_isize > fs->e2fs_bsize || | 343 if (EXT2_INODE_SIZE(fs) < E2FS_REV0_INODE_SIZE || 344 EXT2_INODE_SIZE(fs) > fs->e2fs_bsize || |
| 344 (fs->e2fs_isize & (fs->e2fs_isize - 1)) != 0) { | 345 (fs->e2fs_isize & (fs->e2fs_isize - 1)) != 0) { |
| 345 printf("EXT2-fs: invalid inode size %d\n", | 346 printf("ext2fs: invalid inode size %d\n", |
| 346 fs->e2fs_isize); 347 return (EIO); 348 } 349 } | 347 fs->e2fs_isize); 348 return (EIO); 349 } 350 } |
| 351 /* Check for extra isize in big inodes. */ 352 if (EXT2_HAS_RO_COMPAT_FEATURE(fs, EXT4F_ROCOMPAT_EXTRA_ISIZE) && 353 EXT2_INODE_SIZE(fs) < sizeof(struct ext2fs_dinode)) { 354 printf("ext2fs: no space for extra inode timestamps\n"); 355 return (EINVAL); 356 } 357 |
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| 350 fs->e2fs_ipb = fs->e2fs_bsize / EXT2_INODE_SIZE(fs); 351 fs->e2fs_itpg = fs->e2fs_ipg /fs->e2fs_ipb; 352 fs->e2fs_descpb = fs->e2fs_bsize / sizeof(struct ext2_gd); 353 /* s_resuid / s_resgid ? */ 354 fs->e2fs_gcount = (es->e2fs_bcount - es->e2fs_first_dblock + 355 EXT2_BLOCKS_PER_GROUP(fs) - 1) / EXT2_BLOCKS_PER_GROUP(fs); 356 db_count = (fs->e2fs_gcount + EXT2_DESC_PER_BLOCK(fs) - 1) / 357 EXT2_DESC_PER_BLOCK(fs); 358 fs->e2fs_gdbcount = db_count; 359 fs->e2fs_gd = malloc(db_count * fs->e2fs_bsize, 360 M_EXT2MNT, M_WAITOK); | 358 fs->e2fs_ipb = fs->e2fs_bsize / EXT2_INODE_SIZE(fs); 359 fs->e2fs_itpg = fs->e2fs_ipg /fs->e2fs_ipb; 360 fs->e2fs_descpb = fs->e2fs_bsize / sizeof(struct ext2_gd); 361 /* s_resuid / s_resgid ? */ 362 fs->e2fs_gcount = (es->e2fs_bcount - es->e2fs_first_dblock + 363 EXT2_BLOCKS_PER_GROUP(fs) - 1) / EXT2_BLOCKS_PER_GROUP(fs); 364 db_count = (fs->e2fs_gcount + EXT2_DESC_PER_BLOCK(fs) - 1) / 365 EXT2_DESC_PER_BLOCK(fs); 366 fs->e2fs_gdbcount = db_count; 367 fs->e2fs_gd = malloc(db_count * fs->e2fs_bsize, 368 M_EXT2MNT, M_WAITOK); |
| 361 fs->e2fs_contigdirs = malloc(fs->e2fs_gcount * sizeof(*fs->e2fs_contigdirs), 362 M_EXT2MNT, M_WAITOK); | 369 fs->e2fs_contigdirs = malloc(fs->e2fs_gcount * 370 sizeof(*fs->e2fs_contigdirs), M_EXT2MNT, M_WAITOK); |
| 363 364 /* 365 * Adjust logic_sb_block. 366 * Godmar thinks: if the blocksize is greater than 1024, then 367 * the superblock is logically part of block zero. 368 */ 369 if(fs->e2fs_bsize > SBSIZE) 370 logic_sb_block = 0; --- 14 unchanged lines hidden (view full) --- 385 bp = NULL; 386 } 387 fs->e2fs_total_dir = 0; 388 for (i=0; i < fs->e2fs_gcount; i++){ 389 fs->e2fs_total_dir += fs->e2fs_gd[i].ext2bgd_ndirs; 390 fs->e2fs_contigdirs[i] = 0; 391 } 392 if (es->e2fs_rev == E2FS_REV0 || | 371 372 /* 373 * Adjust logic_sb_block. 374 * Godmar thinks: if the blocksize is greater than 1024, then 375 * the superblock is logically part of block zero. 376 */ 377 if(fs->e2fs_bsize > SBSIZE) 378 logic_sb_block = 0; --- 14 unchanged lines hidden (view full) --- 393 bp = NULL; 394 } 395 fs->e2fs_total_dir = 0; 396 for (i=0; i < fs->e2fs_gcount; i++){ 397 fs->e2fs_total_dir += fs->e2fs_gd[i].ext2bgd_ndirs; 398 fs->e2fs_contigdirs[i] = 0; 399 } 400 if (es->e2fs_rev == E2FS_REV0 || |
| 393 (es->e2fs_features_rocompat & EXT2F_ROCOMPAT_LARGEFILE) == 0) | 401 !EXT2_HAS_RO_COMPAT_FEATURE(fs, EXT2F_ROCOMPAT_LARGEFILE)) |
| 394 fs->e2fs_maxfilesize = 0x7fffffff; 395 else 396 fs->e2fs_maxfilesize = 0x7fffffffffffffff; 397 return (0); 398} 399 400/* 401 * Reload all incore data for a filesystem (used after running fsck on --- 560 unchanged lines hidden (view full) --- 962 return (error); 963 } 964 /* convert ext2 inode to dinode */ 965 ext2_ei2i((struct ext2fs_dinode *) ((char *)bp->b_data + EXT2_INODE_SIZE(fs) * 966 ino_to_fsbo(fs, ino)), ip); 967 ip->i_block_group = ino_to_cg(fs, ino); 968 ip->i_next_alloc_block = 0; 969 ip->i_next_alloc_goal = 0; | 402 fs->e2fs_maxfilesize = 0x7fffffff; 403 else 404 fs->e2fs_maxfilesize = 0x7fffffffffffffff; 405 return (0); 406} 407 408/* 409 * Reload all incore data for a filesystem (used after running fsck on --- 560 unchanged lines hidden (view full) --- 970 return (error); 971 } 972 /* convert ext2 inode to dinode */ 973 ext2_ei2i((struct ext2fs_dinode *) ((char *)bp->b_data + EXT2_INODE_SIZE(fs) * 974 ino_to_fsbo(fs, ino)), ip); 975 ip->i_block_group = ino_to_cg(fs, ino); 976 ip->i_next_alloc_block = 0; 977 ip->i_next_alloc_goal = 0; |
| 970 ip->i_prealloc_count = 0; 971 ip->i_prealloc_block = 0; | |
| 972 973 /* 974 * Now we want to make sure that block pointers for unused 975 * blocks are zeroed out - ext2_balloc depends on this 976 * although for regular files and directories only 977 */ 978 if(S_ISDIR(ip->i_mode) || S_ISREG(ip->i_mode)) { 979 used_blocks = (ip->i_size+fs->e2fs_bsize-1) / fs->e2fs_bsize; --- 142 unchanged lines hidden --- | 978 979 /* 980 * Now we want to make sure that block pointers for unused 981 * blocks are zeroed out - ext2_balloc depends on this 982 * although for regular files and directories only 983 */ 984 if(S_ISDIR(ip->i_mode) || S_ISREG(ip->i_mode)) { 985 used_blocks = (ip->i_size+fs->e2fs_bsize-1) / fs->e2fs_bsize; --- 142 unchanged lines hidden --- |