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-rw-r--r--fs/9p/vfs_file.c114
-rw-r--r--fs/aio.c26
-rw-r--r--fs/binfmt_elf.c2
-rw-r--r--fs/bio.c10
-rw-r--r--fs/buffer.c2
-rw-r--r--fs/mpage.c2
-rw-r--r--fs/nfs/delegation.c4
-rw-r--r--fs/nfs/file.c3
-rw-r--r--fs/nfs/inode.c9
-rw-r--r--fs/nfs_common/nfsacl.c70
-rw-r--r--fs/ntfs/malloc.h2
-rw-r--r--fs/posix_acl.c6
-rw-r--r--fs/proc/base.c12
-rw-r--r--fs/proc/nommu.c1
-rw-r--r--fs/relayfs/buffers.c2
-rw-r--r--fs/xfs/linux-2.6/kmem.c10
-rw-r--r--fs/xfs/linux-2.6/kmem.h13
17 files changed, 114 insertions, 174 deletions
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index a4799e9..bbc3cc6 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -175,16 +175,16 @@ static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl)
}
/**
- * v9fs_read - read from a file (internal)
+ * v9fs_file_read - read from a file
* @filep: file pointer to read
* @data: data buffer to read data into
* @count: size of buffer
* @offset: offset at which to read data
*
*/
-
static ssize_t
-v9fs_read(struct file *filp, char *buffer, size_t count, loff_t * offset)
+v9fs_file_read(struct file *filp, char __user * data, size_t count,
+ loff_t * offset)
{
struct inode *inode = filp->f_dentry->d_inode;
struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode);
@@ -194,6 +194,7 @@ v9fs_read(struct file *filp, char *buffer, size_t count, loff_t * offset)
int rsize = 0;
int result = 0;
int total = 0;
+ int n;
dprintk(DEBUG_VFS, "\n");
@@ -216,10 +217,15 @@ v9fs_read(struct file *filp, char *buffer, size_t count, loff_t * offset)
} else
*offset += result;
- /* XXX - extra copy */
- memcpy(buffer, fcall->params.rread.data, result);
+ n = copy_to_user(data, fcall->params.rread.data, result);
+ if (n) {
+ dprintk(DEBUG_ERROR, "Problem copying to user %d\n", n);
+ kfree(fcall);
+ return -EFAULT;
+ }
+
count -= result;
- buffer += result;
+ data += result;
total += result;
kfree(fcall);
@@ -232,42 +238,7 @@ v9fs_read(struct file *filp, char *buffer, size_t count, loff_t * offset)
}
/**
- * v9fs_file_read - read from a file
- * @filep: file pointer to read
- * @data: data buffer to read data into
- * @count: size of buffer
- * @offset: offset at which to read data
- *
- */
-
-static ssize_t
-v9fs_file_read(struct file *filp, char __user * data, size_t count,
- loff_t * offset)
-{
- int retval = -1;
- int ret = 0;
- char *buffer;
-
- buffer = kmalloc(count, GFP_KERNEL);
- if (!buffer)
- return -ENOMEM;
-
- retval = v9fs_read(filp, buffer, count, offset);
- if (retval > 0) {
- if ((ret = copy_to_user(data, buffer, retval)) != 0) {
- dprintk(DEBUG_ERROR, "Problem copying to user %d\n",
- ret);
- retval = ret;
- }
- }
-
- kfree(buffer);
-
- return retval;
-}
-
-/**
- * v9fs_write - write to a file
+ * v9fs_file_write - write to a file
* @filep: file pointer to write
* @data: data buffer to write data from
* @count: size of buffer
@@ -276,7 +247,8 @@ v9fs_file_read(struct file *filp, char __user * data, size_t count,
*/
static ssize_t
-v9fs_write(struct file *filp, char *buffer, size_t count, loff_t * offset)
+v9fs_file_write(struct file *filp, const char __user * data,
+ size_t count, loff_t * offset)
{
struct inode *inode = filp->f_dentry->d_inode;
struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode);
@@ -286,30 +258,42 @@ v9fs_write(struct file *filp, char *buffer, size_t count, loff_t * offset)
int result = -EIO;
int rsize = 0;
int total = 0;
+ char *buf;
- dprintk(DEBUG_VFS, "data %p count %d offset %x\n", buffer, (int)count,
+ dprintk(DEBUG_VFS, "data %p count %d offset %x\n", data, (int)count,
(int)*offset);
rsize = v9ses->maxdata - V9FS_IOHDRSZ;
if (v9fid->iounit != 0 && rsize > v9fid->iounit)
rsize = v9fid->iounit;
- dump_data(buffer, count);
+ buf = kmalloc(v9ses->maxdata - V9FS_IOHDRSZ, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
do {
if (count < rsize)
rsize = count;
- result =
- v9fs_t_write(v9ses, fid, *offset, rsize, buffer, &fcall);
+ result = copy_from_user(buf, data, rsize);
+ if (result) {
+ dprintk(DEBUG_ERROR, "Problem copying from user\n");
+ kfree(buf);
+ return -EFAULT;
+ }
+
+ dump_data(buf, rsize);
+ result = v9fs_t_write(v9ses, fid, *offset, rsize, buf, &fcall);
if (result < 0) {
eprintk(KERN_ERR, "error while writing: %s(%d)\n",
FCALL_ERROR(fcall), result);
kfree(fcall);
+ kfree(buf);
return result;
} else
*offset += result;
kfree(fcall);
+ fcall = NULL;
if (result != rsize) {
eprintk(KERN_ERR,
@@ -319,46 +303,14 @@ v9fs_write(struct file *filp, char *buffer, size_t count, loff_t * offset)
}
count -= result;
- buffer += result;
+ data += result;
total += result;
} while (count);
+ kfree(buf);
return total;
}
-/**
- * v9fs_file_write - write to a file
- * @filep: file pointer to write
- * @data: data buffer to write data from
- * @count: size of buffer
- * @offset: offset at which to write data
- *
- */
-
-static ssize_t
-v9fs_file_write(struct file *filp, const char __user * data,
- size_t count, loff_t * offset)
-{
- int ret = -1;
- char *buffer;
-
- buffer = kmalloc(count, GFP_KERNEL);
- if (buffer == NULL)
- return -ENOMEM;
-
- ret = copy_from_user(buffer, data, count);
- if (ret) {
- dprintk(DEBUG_ERROR, "Problem copying from user\n");
- ret = -EFAULT;
- } else {
- ret = v9fs_write(filp, buffer, count, offset);
- }
-
- kfree(buffer);
-
- return ret;
-}
-
struct file_operations v9fs_file_operations = {
.llseek = generic_file_llseek,
.read = v9fs_file_read,
diff --git a/fs/aio.c b/fs/aio.c
index d6b1551..9fe7216 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -398,7 +398,7 @@ static struct kiocb fastcall *__aio_get_req(struct kioctx *ctx)
if (unlikely(!req))
return NULL;
- req->ki_flags = 1 << KIF_LOCKED;
+ req->ki_flags = 0;
req->ki_users = 2;
req->ki_key = 0;
req->ki_ctx = ctx;
@@ -547,25 +547,6 @@ struct kioctx *lookup_ioctx(unsigned long ctx_id)
return ioctx;
}
-static int lock_kiocb_action(void *param)
-{
- schedule();
- return 0;
-}
-
-static inline void lock_kiocb(struct kiocb *iocb)
-{
- wait_on_bit_lock(&iocb->ki_flags, KIF_LOCKED, lock_kiocb_action,
- TASK_UNINTERRUPTIBLE);
-}
-
-static inline void unlock_kiocb(struct kiocb *iocb)
-{
- kiocbClearLocked(iocb);
- smp_mb__after_clear_bit();
- wake_up_bit(&iocb->ki_flags, KIF_LOCKED);
-}
-
/*
* use_mm
* Makes the calling kernel thread take on the specified
@@ -796,9 +777,7 @@ static int __aio_run_iocbs(struct kioctx *ctx)
* Hold an extra reference while retrying i/o.
*/
iocb->ki_users++; /* grab extra reference */
- lock_kiocb(iocb);
aio_run_iocb(iocb);
- unlock_kiocb(iocb);
if (__aio_put_req(ctx, iocb)) /* drop extra ref */
put_ioctx(ctx);
}
@@ -1542,7 +1521,6 @@ int fastcall io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
spin_lock_irq(&ctx->ctx_lock);
aio_run_iocb(req);
- unlock_kiocb(req);
if (!list_empty(&ctx->run_list)) {
/* drain the run list */
while (__aio_run_iocbs(ctx))
@@ -1674,7 +1652,6 @@ asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
if (NULL != cancel) {
struct io_event tmp;
pr_debug("calling cancel\n");
- lock_kiocb(kiocb);
memset(&tmp, 0, sizeof(tmp));
tmp.obj = (u64)(unsigned long)kiocb->ki_obj.user;
tmp.data = kiocb->ki_user_data;
@@ -1686,7 +1663,6 @@ asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
if (copy_to_user(result, &tmp, sizeof(tmp)))
ret = -EFAULT;
}
- unlock_kiocb(kiocb);
} else
ret = -EINVAL;
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 7976a23..d4b1557 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -905,7 +905,7 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs)
send_sig(SIGKILL, current, 0);
goto out_free_dentry;
}
- if (padzero(elf_bss)) {
+ if (likely(elf_bss != elf_brk) && unlikely(padzero(elf_bss))) {
send_sig(SIGSEGV, current, 0);
retval = -EFAULT; /* Nobody gets to see this, but.. */
goto out_free_dentry;
diff --git a/fs/bio.c b/fs/bio.c
index 83a3495..7d81a93 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -75,7 +75,7 @@ struct bio_set {
*/
static struct bio_set *fs_bio_set;
-static inline struct bio_vec *bvec_alloc_bs(unsigned int __nocast gfp_mask, int nr, unsigned long *idx, struct bio_set *bs)
+static inline struct bio_vec *bvec_alloc_bs(gfp_t gfp_mask, int nr, unsigned long *idx, struct bio_set *bs)
{
struct bio_vec *bvl;
struct biovec_slab *bp;
@@ -155,7 +155,7 @@ inline void bio_init(struct bio *bio)
* allocate bio and iovecs from the memory pools specified by the
* bio_set structure.
**/
-struct bio *bio_alloc_bioset(unsigned int __nocast gfp_mask, int nr_iovecs, struct bio_set *bs)
+struct bio *bio_alloc_bioset(gfp_t gfp_mask, int nr_iovecs, struct bio_set *bs)
{
struct bio *bio = mempool_alloc(bs->bio_pool, gfp_mask);
@@ -181,7 +181,7 @@ out:
return bio;
}
-struct bio *bio_alloc(unsigned int __nocast gfp_mask, int nr_iovecs)
+struct bio *bio_alloc(gfp_t gfp_mask, int nr_iovecs)
{
struct bio *bio = bio_alloc_bioset(gfp_mask, nr_iovecs, fs_bio_set);
@@ -277,7 +277,7 @@ inline void __bio_clone(struct bio *bio, struct bio *bio_src)
*
* Like __bio_clone, only also allocates the returned bio
*/
-struct bio *bio_clone(struct bio *bio, unsigned int __nocast gfp_mask)
+struct bio *bio_clone(struct bio *bio, gfp_t gfp_mask)
{
struct bio *b = bio_alloc_bioset(gfp_mask, bio->bi_max_vecs, fs_bio_set);
@@ -1078,7 +1078,7 @@ struct bio_pair *bio_split(struct bio *bi, mempool_t *pool, int first_sectors)
return bp;
}
-static void *bio_pair_alloc(unsigned int __nocast gfp_flags, void *data)
+static void *bio_pair_alloc(gfp_t gfp_flags, void *data)
{
return kmalloc(sizeof(struct bio_pair), gfp_flags);
}
diff --git a/fs/buffer.c b/fs/buffer.c
index 6cbfcea..1216c0d 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3045,7 +3045,7 @@ static void recalc_bh_state(void)
buffer_heads_over_limit = (tot > max_buffer_heads);
}
-struct buffer_head *alloc_buffer_head(unsigned int __nocast gfp_flags)
+struct buffer_head *alloc_buffer_head(gfp_t gfp_flags)
{
struct buffer_head *ret = kmem_cache_alloc(bh_cachep, gfp_flags);
if (ret) {
diff --git a/fs/mpage.c b/fs/mpage.c
index bb9aebe..c5adcdd 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -102,7 +102,7 @@ static struct bio *mpage_bio_submit(int rw, struct bio *bio)
static struct bio *
mpage_alloc(struct block_device *bdev,
sector_t first_sector, int nr_vecs,
- unsigned int __nocast gfp_flags)
+ gfp_t gfp_flags)
{
struct bio *bio;
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index d7f7eb6..4a36839 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -85,6 +85,10 @@ int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct
struct nfs_delegation *delegation;
int status = 0;
+ /* Ensure we first revalidate the attributes and page cache! */
+ if ((nfsi->cache_validity & (NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_ATTR)))
+ __nfs_revalidate_inode(NFS_SERVER(inode), inode);
+
delegation = nfs_alloc_delegation();
if (delegation == NULL)
return -ENOMEM;
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index f6b9eda..6bdcfa9 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -137,7 +137,8 @@ static int nfs_revalidate_file(struct inode *inode, struct file *filp)
struct nfs_inode *nfsi = NFS_I(inode);
int retval = 0;
- if ((nfsi->cache_validity & NFS_INO_REVAL_PAGECACHE) || nfs_attribute_timeout(inode))
+ if ((nfsi->cache_validity & (NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_ATTR))
+ || nfs_attribute_timeout(inode))
retval = __nfs_revalidate_inode(NFS_SERVER(inode), inode);
nfs_revalidate_mapping(inode, filp->f_mapping);
return 0;
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 6922469d..d4eadee 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -877,12 +877,10 @@ static int nfs_wait_on_inode(struct inode *inode)
sigset_t oldmask;
int error;
- atomic_inc(&inode->i_count);
rpc_clnt_sigmask(clnt, &oldmask);
error = wait_on_bit_lock(&nfsi->flags, NFS_INO_REVALIDATING,
nfs_wait_schedule, TASK_INTERRUPTIBLE);
rpc_clnt_sigunmask(clnt, &oldmask);
- iput(inode);
return error;
}
@@ -1226,10 +1224,6 @@ int nfs_refresh_inode(struct inode *inode, struct nfs_fattr *fattr)
loff_t cur_size, new_isize;
int data_unstable;
- /* Do we hold a delegation? */
- if (nfs_have_delegation(inode, FMODE_READ))
- return 0;
-
spin_lock(&inode->i_lock);
/* Are we in the process of updating data on the server? */
@@ -1350,7 +1344,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr, unsign
nfsi->read_cache_jiffies = fattr->timestamp;
/* Are we racing with known updates of the metadata on the server? */
- data_unstable = ! nfs_verify_change_attribute(inode, verifier);
+ data_unstable = ! (nfs_verify_change_attribute(inode, verifier) ||
+ (nfsi->cache_validity & NFS_INO_REVAL_PAGECACHE));
/* Check if our cached file size is stale */
new_isize = nfs_size_to_loff_t(fattr->size);
diff --git a/fs/nfs_common/nfsacl.c b/fs/nfs_common/nfsacl.c
index 251e5a1..0c2be8c 100644
--- a/fs/nfs_common/nfsacl.c
+++ b/fs/nfs_common/nfsacl.c
@@ -48,43 +48,26 @@ xdr_nfsace_encode(struct xdr_array2_desc *desc, void *elem)
(struct nfsacl_encode_desc *) desc;
u32 *p = (u32 *) elem;
- if (nfsacl_desc->count < nfsacl_desc->acl->a_count) {
- struct posix_acl_entry *entry =
- &nfsacl_desc->acl->a_entries[nfsacl_desc->count++];
+ struct posix_acl_entry *entry =
+ &nfsacl_desc->acl->a_entries[nfsacl_desc->count++];
- *p++ = htonl(entry->e_tag | nfsacl_desc->typeflag);
- switch(entry->e_tag) {
- case ACL_USER_OBJ:
- *p++ = htonl(nfsacl_desc->uid);
- break;
- case ACL_GROUP_OBJ:
- *p++ = htonl(nfsacl_desc->gid);
- break;
- case ACL_USER:
- case ACL_GROUP:
- *p++ = htonl(entry->e_id);
- break;
- default: /* Solaris depends on that! */
- *p++ = 0;
- break;
- }
- *p++ = htonl(entry->e_perm & S_IRWXO);
- } else {
- const struct posix_acl_entry *pa, *pe;
- int group_obj_perm = ACL_READ|ACL_WRITE|ACL_EXECUTE;
-
- FOREACH_ACL_ENTRY(pa, nfsacl_desc->acl, pe) {
- if (pa->e_tag == ACL_GROUP_OBJ) {
- group_obj_perm = pa->e_perm & S_IRWXO;
- break;
- }
- }
- /* fake up ACL_MASK entry */
- *p++ = htonl(ACL_MASK | nfsacl_desc->typeflag);
- *p++ = htonl(0);
- *p++ = htonl(group_obj_perm);
+ *p++ = htonl(entry->e_tag | nfsacl_desc->typeflag);
+ switch(entry->e_tag) {
+ case ACL_USER_OBJ:
+ *p++ = htonl(nfsacl_desc->uid);
+ break;
+ case ACL_GROUP_OBJ:
+ *p++ = htonl(nfsacl_desc->gid);
+ break;
+ case ACL_USER:
+ case ACL_GROUP:
+ *p++ = htonl(entry->e_id);
+ break;
+ default: /* Solaris depends on that! */
+ *p++ = 0;
+ break;
}
-
+ *p++ = htonl(entry->e_perm & S_IRWXO);
return 0;
}
@@ -105,11 +88,28 @@ nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode,
.gid = inode->i_gid,
};
int err;
+ struct posix_acl *acl2 = NULL;
if (entries > NFS_ACL_MAX_ENTRIES ||
xdr_encode_word(buf, base, entries))
return -EINVAL;
+ if (encode_entries && acl && acl->a_count == 3) {
+ /* Fake up an ACL_MASK entry. */
+ acl2 = posix_acl_alloc(4, GFP_KERNEL);
+ if (!acl2)
+ return -ENOMEM;
+ /* Insert entries in canonical order: other orders seem
+ to confuse Solaris VxFS. */
+ acl2->a_entries[0] = acl->a_entries[0]; /* ACL_USER_OBJ */
+ acl2->a_entries[1] = acl->a_entries[1]; /* ACL_GROUP_OBJ */
+ acl2->a_entries[2] = acl->a_entries[1]; /* ACL_MASK */
+ acl2->a_entries[2].e_tag = ACL_MASK;
+ acl2->a_entries[3] = acl->a_entries[2]; /* ACL_OTHER */
+ nfsacl_desc.acl = acl2;
+ }
err = xdr_encode_array2(buf, base + 4, &nfsacl_desc.desc);
+ if (acl2)
+ posix_acl_release(acl2);
if (!err)
err = 8 + nfsacl_desc.desc.elem_size *
nfsacl_desc.desc.array_len;
diff --git a/fs/ntfs/malloc.h b/fs/ntfs/malloc.h
index 006946e..590887b 100644
--- a/fs/ntfs/malloc.h
+++ b/fs/ntfs/malloc.h
@@ -40,7 +40,7 @@
* Depending on @gfp_mask the allocation may be guaranteed to succeed.
*/
static inline void *__ntfs_malloc(unsigned long size,
- unsigned int __nocast gfp_mask)
+ gfp_t gfp_mask)
{
if (likely(size <= PAGE_SIZE)) {
BUG_ON(!size);
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index 296480e..6c8dcf7 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -35,7 +35,7 @@ EXPORT_SYMBOL(posix_acl_permission);
* Allocate a new ACL with the specified number of entries.
*/
struct posix_acl *
-posix_acl_alloc(int count, unsigned int __nocast flags)
+posix_acl_alloc(int count, gfp_t flags)
{
const size_t size = sizeof(struct posix_acl) +
count * sizeof(struct posix_acl_entry);
@@ -51,7 +51,7 @@ posix_acl_alloc(int count, unsigned int __nocast flags)
* Clone an ACL.
*/
struct posix_acl *
-posix_acl_clone(const struct posix_acl *acl, unsigned int __nocast flags)
+posix_acl_clone(const struct posix_acl *acl, gfp_t flags)
{
struct posix_acl *clone = NULL;
@@ -185,7 +185,7 @@ posix_acl_equiv_mode(const struct posix_acl *acl, mode_t *mode_p)
* Create an ACL representing the file mode permission bits of an inode.
*/
struct posix_acl *
-posix_acl_from_mode(mode_t mode, unsigned int __nocast flags)
+posix_acl_from_mode(mode_t mode, gfp_t flags)
{
struct posix_acl *acl = posix_acl_alloc(3, flags);
if (!acl)
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 3b33f94..a170450 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -103,7 +103,9 @@ enum pid_directory_inos {
PROC_TGID_NUMA_MAPS,
PROC_TGID_MOUNTS,
PROC_TGID_WCHAN,
+#ifdef CONFIG_MMU
PROC_TGID_SMAPS,
+#endif
#ifdef CONFIG_SCHEDSTATS
PROC_TGID_SCHEDSTAT,
#endif
@@ -141,7 +143,9 @@ enum pid_directory_inos {
PROC_TID_NUMA_MAPS,
PROC_TID_MOUNTS,
PROC_TID_WCHAN,
+#ifdef CONFIG_MMU
PROC_TID_SMAPS,
+#endif
#ifdef CONFIG_SCHEDSTATS
PROC_TID_SCHEDSTAT,
#endif
@@ -195,7 +199,9 @@ static struct pid_entry tgid_base_stuff[] = {
E(PROC_TGID_ROOT, "root", S_IFLNK|S_IRWXUGO),
E(PROC_TGID_EXE, "exe", S_IFLNK|S_IRWXUGO),
E(PROC_TGID_MOUNTS, "mounts", S_IFREG|S_IRUGO),
+#ifdef CONFIG_MMU
E(PROC_TGID_SMAPS, "smaps", S_IFREG|S_IRUGO),
+#endif
#ifdef CONFIG_SECURITY
E(PROC_TGID_ATTR, "attr", S_IFDIR|S_IRUGO|S_IXUGO),
#endif
@@ -235,7 +241,9 @@ static struct pid_entry tid_base_stuff[] = {
E(PROC_TID_ROOT, "root", S_IFLNK|S_IRWXUGO),
E(PROC_TID_EXE, "exe", S_IFLNK|S_IRWXUGO),
E(PROC_TID_MOUNTS, "mounts", S_IFREG|S_IRUGO),
+#ifdef CONFIG_MMU
E(PROC_TID_SMAPS, "smaps", S_IFREG|S_IRUGO),
+#endif
#ifdef CONFIG_SECURITY
E(PROC_TID_ATTR, "attr", S_IFDIR|S_IRUGO|S_IXUGO),
#endif
@@ -630,6 +638,7 @@ static struct file_operations proc_numa_maps_operations = {
};
#endif
+#ifdef CONFIG_MMU
extern struct seq_operations proc_pid_smaps_op;
static int smaps_open(struct inode *inode, struct file *file)
{
@@ -648,6 +657,7 @@ static struct file_operations proc_smaps_operations = {
.llseek = seq_lseek,
.release = seq_release,
};
+#endif
extern struct seq_operations mounts_op;
static int mounts_open(struct inode *inode, struct file *file)
@@ -1681,10 +1691,12 @@ static struct dentry *proc_pident_lookup(struct inode *dir,
case PROC_TGID_MOUNTS:
inode->i_fop = &proc_mounts_operations;
break;
+#ifdef CONFIG_MMU
case PROC_TID_SMAPS:
case PROC_TGID_SMAPS:
inode->i_fop = &proc_smaps_operations;
break;
+#endif
#ifdef CONFIG_SECURITY
case PROC_TID_ATTR:
inode->i_nlink = 2;
diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c
index f3bf016..cff10ab 100644
--- a/fs/proc/nommu.c
+++ b/fs/proc/nommu.c
@@ -91,6 +91,7 @@ static void *nommu_vma_list_start(struct seq_file *m, loff_t *_pos)
next = _rb;
break;
}
+ pos--;
}
return next;
diff --git a/fs/relayfs/buffers.c b/fs/relayfs/buffers.c
index 2aa8e27..84e21ff 100644
--- a/fs/relayfs/buffers.c
+++ b/fs/relayfs/buffers.c
@@ -109,7 +109,7 @@ static void *relay_alloc_buf(struct rchan_buf *buf, unsigned long size)
if (unlikely(!buf->page_array[i]))
goto depopulate;
}
- mem = vmap(buf->page_array, n_pages, GFP_KERNEL, PAGE_KERNEL);
+ mem = vmap(buf->page_array, n_pages, VM_MAP, PAGE_KERNEL);
if (!mem)
goto depopulate;
diff --git a/fs/xfs/linux-2.6/kmem.c b/fs/xfs/linux-2.6/kmem.c
index 4b18455..d2653b5 100644
--- a/fs/xfs/linux-2.6/kmem.c
+++ b/fs/xfs/linux-2.6/kmem.c
@@ -45,7 +45,7 @@
void *
-kmem_alloc(size_t size, unsigned int __nocast flags)
+kmem_alloc(size_t size, gfp_t flags)
{
int retries = 0;
unsigned int lflags = kmem_flags_convert(flags);
@@ -67,7 +67,7 @@ kmem_alloc(size_t size, unsigned int __nocast flags)
}
void *
-kmem_zalloc(size_t size, unsigned int __nocast flags)
+kmem_zalloc(size_t size, gfp_t flags)
{
void *ptr;
@@ -90,7 +90,7 @@ kmem_free(void *ptr, size_t size)
void *
kmem_realloc(void *ptr, size_t newsize, size_t oldsize,
- unsigned int __nocast flags)
+ gfp_t flags)
{
void *new;
@@ -105,7 +105,7 @@ kmem_realloc(void *ptr, size_t newsize, size_t oldsize,
}
void *
-kmem_zone_alloc(kmem_zone_t *zone, unsigned int __nocast flags)
+kmem_zone_alloc(kmem_zone_t *zone, gfp_t flags)
{
int retries = 0;
unsigned int lflags = kmem_flags_convert(flags);
@@ -124,7 +124,7 @@ kmem_zone_alloc(kmem_zone_t *zone, unsigned int __nocast flags)
}
void *
-kmem_zone_zalloc(kmem_zone_t *zone, unsigned int __nocast flags)
+kmem_zone_zalloc(kmem_zone_t *zone, gfp_t flags)
{
void *ptr;
diff --git a/fs/xfs/linux-2.6/kmem.h b/fs/xfs/linux-2.6/kmem.h
index 109fcf2..ee7010f 100644
--- a/fs/xfs/linux-2.6/kmem.h
+++ b/fs/xfs/linux-2.6/kmem.h
@@ -81,7 +81,7 @@ typedef unsigned long xfs_pflags_t;
*(NSTATEP) = *(OSTATEP); \
} while (0)
-static __inline unsigned int kmem_flags_convert(unsigned int __nocast flags)
+static __inline unsigned int kmem_flags_convert(gfp_t flags)
{
unsigned int lflags = __GFP_NOWARN; /* we'll report problems, if need be */
@@ -125,13 +125,12 @@ kmem_zone_destroy(kmem_zone_t *zone)
BUG();
}
-extern void *kmem_zone_zalloc(kmem_zone_t *, unsigned int __nocast);
-extern void *kmem_zone_alloc(kmem_zone_t *, unsigned int __nocast);
+extern void *kmem_zone_zalloc(kmem_zone_t *, gfp_t);
+extern void *kmem_zone_alloc(kmem_zone_t *, gfp_t);
-extern void *kmem_alloc(size_t, unsigned int __nocast);
-extern void *kmem_realloc(void *, size_t, size_t,
- unsigned int __nocast);
-extern void *kmem_zalloc(size_t, unsigned int __nocast);
+extern void *kmem_alloc(size_t, gfp_t);
+extern void *kmem_realloc(void *, size_t, size_t, gfp_t);
+extern void *kmem_zalloc(size_t, gfp_t);
extern void kmem_free(void *, size_t);
typedef struct shrinker *kmem_shaker_t;
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