diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/compat_ioctl.c | 20 | ||||
| -rw-r--r-- | fs/dcookies.c | 1 | ||||
| -rw-r--r-- | fs/partitions/msdos.c | 5 | ||||
| -rw-r--r-- | fs/partitions/sun.c | 62 | ||||
| -rw-r--r-- | fs/partitions/sun.h | 1 | ||||
| -rw-r--r-- | fs/pipe.c | 2 | ||||
| -rw-r--r-- | fs/proc/inode.c | 24 | ||||
| -rw-r--r-- | fs/splice.c | 4 |
8 files changed, 96 insertions, 23 deletions
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index e440a7b..2bc1428 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -115,6 +115,10 @@ #include <linux/dvb/video.h> #include <linux/lp.h> +#ifdef CONFIG_SPARC +#include <asm/fbio.h> +#endif + static int do_ioctl32_pointer(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *f) { @@ -3493,6 +3497,22 @@ IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32) /* loop */ IGNORE_IOCTL(LOOP_CLR_FD) + +#ifdef CONFIG_SPARC +/* Sparc framebuffers, handled in sbusfb_compat_ioctl() */ +IGNORE_IOCTL(FBIOGTYPE) +IGNORE_IOCTL(FBIOSATTR) +IGNORE_IOCTL(FBIOGATTR) +IGNORE_IOCTL(FBIOSVIDEO) +IGNORE_IOCTL(FBIOGVIDEO) +IGNORE_IOCTL(FBIOSCURPOS) +IGNORE_IOCTL(FBIOGCURPOS) +IGNORE_IOCTL(FBIOGCURMAX) +IGNORE_IOCTL(FBIOPUTCMAP32) +IGNORE_IOCTL(FBIOGETCMAP32) +IGNORE_IOCTL(FBIOSCURSOR32) +IGNORE_IOCTL(FBIOGCURSOR32) +#endif }; #define IOCTL_HASHSIZE 256 diff --git a/fs/dcookies.c b/fs/dcookies.c index c1208f5..792cbf5 100644 --- a/fs/dcookies.c +++ b/fs/dcookies.c @@ -20,6 +20,7 @@ #include <linux/capability.h> #include <linux/dcache.h> #include <linux/mm.h> +#include <linux/err.h> #include <linux/errno.h> #include <linux/dcookies.h> #include <linux/mutex.h> diff --git a/fs/partitions/msdos.c b/fs/partitions/msdos.c index 4ccec4c..5567ec0 100644 --- a/fs/partitions/msdos.c +++ b/fs/partitions/msdos.c @@ -203,6 +203,7 @@ parse_solaris_x86(struct parsed_partitions *state, struct block_device *bdev, Sector sect; struct solaris_x86_vtoc *v; int i; + short max_nparts; v = (struct solaris_x86_vtoc *)read_dev_sector(bdev, offset+1, §); if (!v) @@ -218,7 +219,9 @@ parse_solaris_x86(struct parsed_partitions *state, struct block_device *bdev, put_dev_sector(sect); return; } - for (i=0; i<SOLARIS_X86_NUMSLICE && state->next<state->limit; i++) { + /* Ensure we can handle previous case of VTOC with 8 entries gracefully */ + max_nparts = le16_to_cpu (v->v_nparts) > 8 ? SOLARIS_X86_NUMSLICE : 8; + for (i=0; i<max_nparts && state->next<state->limit; i++) { struct solaris_x86_slice *s = &v->v_slice[i]; if (s->s_size == 0) continue; diff --git a/fs/partitions/sun.c b/fs/partitions/sun.c index 123f8b4..794118d 100644 --- a/fs/partitions/sun.c +++ b/fs/partitions/sun.c @@ -19,34 +19,47 @@ int sun_partition(struct parsed_partitions *state, struct block_device *bdev) Sector sect; struct sun_disklabel { unsigned char info[128]; /* Informative text string */ - unsigned char spare0[14]; - struct sun_info { - unsigned char spare1; - unsigned char id; - unsigned char spare2; - unsigned char flags; - } infos[8]; - unsigned char spare[246]; /* Boot information etc. */ + struct sun_vtoc { + __be32 version; /* Layout version */ + char volume[8]; /* Volume name */ + __be16 nparts; /* Number of partitions */ + struct sun_info { /* Partition hdrs, sec 2 */ + __be16 id; + __be16 flags; + } infos[8]; + __be16 padding; /* Alignment padding */ + __be32 bootinfo[3]; /* Info needed by mboot */ + __be32 sanity; /* To verify vtoc sanity */ + __be32 reserved[10]; /* Free space */ + __be32 timestamp[8]; /* Partition timestamp */ + } vtoc; + __be32 write_reinstruct; /* sectors to skip, writes */ + __be32 read_reinstruct; /* sectors to skip, reads */ + unsigned char spare[148]; /* Padding */ __be16 rspeed; /* Disk rotational speed */ __be16 pcylcount; /* Physical cylinder count */ __be16 sparecyl; /* extra sects per cylinder */ - unsigned char spare2[4]; /* More magic... */ + __be16 obs1; /* gap1 */ + __be16 obs2; /* gap2 */ __be16 ilfact; /* Interleave factor */ __be16 ncyl; /* Data cylinder count */ __be16 nacyl; /* Alt. cylinder count */ __be16 ntrks; /* Tracks per cylinder */ __be16 nsect; /* Sectors per track */ - unsigned char spare3[4]; /* Even more magic... */ + __be16 obs3; /* bhead - Label head offset */ + __be16 obs4; /* ppart - Physical Partition */ struct sun_partition { __be32 start_cylinder; __be32 num_sectors; } partitions[8]; __be16 magic; /* Magic number */ __be16 csum; /* Label xor'd checksum */ - } * label; + } * label; struct sun_partition *p; unsigned long spc; char b[BDEVNAME_SIZE]; + int use_vtoc; + int nparts; label = (struct sun_disklabel *)read_dev_sector(bdev, 0, §); if (!label) @@ -70,9 +83,22 @@ int sun_partition(struct parsed_partitions *state, struct block_device *bdev) return 0; } - /* All Sun disks have 8 partition entries */ + /* Check to see if we can use the VTOC table */ + use_vtoc = ((be32_to_cpu(label->vtoc.sanity) == SUN_VTOC_SANITY) && + (be32_to_cpu(label->vtoc.version) == 1) && + (be16_to_cpu(label->vtoc.nparts) <= 8)); + + /* Use 8 partition entries if not specified in validated VTOC */ + nparts = (use_vtoc) ? be16_to_cpu(label->vtoc.nparts) : 8; + + /* + * So that old Linux-Sun partitions continue to work, + * alow the VTOC to be used under the additional condition ... + */ + use_vtoc = use_vtoc || !(label->vtoc.sanity | + label->vtoc.version | label->vtoc.nparts); spc = be16_to_cpu(label->ntrks) * be16_to_cpu(label->nsect); - for (i = 0; i < 8; i++, p++) { + for (i = 0; i < nparts; i++, p++) { unsigned long st_sector; unsigned int num_sectors; @@ -81,10 +107,12 @@ int sun_partition(struct parsed_partitions *state, struct block_device *bdev) if (num_sectors) { put_partition(state, slot, st_sector, num_sectors); state->parts[slot].flags = 0; - if (label->infos[i].id == LINUX_RAID_PARTITION) - state->parts[slot].flags |= ADDPART_FLAG_RAID; - if (label->infos[i].id == SUN_WHOLE_DISK) - state->parts[slot].flags |= ADDPART_FLAG_WHOLEDISK; + if (use_vtoc) { + if (be16_to_cpu(label->vtoc.infos[i].id) == LINUX_RAID_PARTITION) + state->parts[slot].flags |= ADDPART_FLAG_RAID; + else if (be16_to_cpu(label->vtoc.infos[i].id) == SUN_WHOLE_DISK) + state->parts[slot].flags |= ADDPART_FLAG_WHOLEDISK; + } } slot++; } diff --git a/fs/partitions/sun.h b/fs/partitions/sun.h index b1b19fd..7f864d1 100644 --- a/fs/partitions/sun.h +++ b/fs/partitions/sun.h @@ -3,5 +3,6 @@ */ #define SUN_LABEL_MAGIC 0xDABE +#define SUN_VTOC_SANITY 0x600DDEEE int sun_partition(struct parsed_partitions *state, struct block_device *bdev); @@ -255,7 +255,7 @@ void generic_pipe_buf_get(struct pipe_inode_info *pipe, struct pipe_buffer *buf) /** * generic_pipe_buf_confirm - verify contents of the pipe buffer - * @pipe: the pipe that the buffer belongs to + * @info: the pipe that the buffer belongs to * @buf: the buffer to confirm * * Description: diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 94e2c1a..a5b0dfd 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -386,6 +386,19 @@ static const struct file_operations proc_reg_file_ops = { .release = proc_reg_release, }; +#ifdef CONFIG_COMPAT +static const struct file_operations proc_reg_file_ops_no_compat = { + .llseek = proc_reg_llseek, + .read = proc_reg_read, + .write = proc_reg_write, + .poll = proc_reg_poll, + .unlocked_ioctl = proc_reg_unlocked_ioctl, + .mmap = proc_reg_mmap, + .open = proc_reg_open, + .release = proc_reg_release, +}; +#endif + struct inode *proc_get_inode(struct super_block *sb, unsigned int ino, struct proc_dir_entry *de) { @@ -413,8 +426,15 @@ struct inode *proc_get_inode(struct super_block *sb, unsigned int ino, if (de->proc_iops) inode->i_op = de->proc_iops; if (de->proc_fops) { - if (S_ISREG(inode->i_mode)) - inode->i_fop = &proc_reg_file_ops; + if (S_ISREG(inode->i_mode)) { +#ifdef CONFIG_COMPAT + if (!de->proc_fops->compat_ioctl) + inode->i_fop = + &proc_reg_file_ops_no_compat; + else +#endif + inode->i_fop = &proc_reg_file_ops; + } else inode->i_fop = de->proc_fops; } diff --git a/fs/splice.c b/fs/splice.c index 0a09732..c010a72 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -164,7 +164,7 @@ static const struct pipe_buf_operations user_page_pipe_buf_ops = { * @spd: data to fill * * Description: - * @spd contains a map of pages and len/offset tupples, a long with + * @spd contains a map of pages and len/offset tuples, along with * the struct pipe_buf_operations associated with these pages. This * function will link that data to the pipe. * @@ -1000,7 +1000,7 @@ static long do_splice_to(struct file *in, loff_t *ppos, * Description: * This is a special case helper to splice directly between two * points, without requiring an explicit pipe. Internally an allocated - * pipe is cached in the process, and reused during the life time of + * pipe is cached in the process, and reused during the lifetime of * that process. * */ |