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-rw-r--r--fs/Kconfig6
-rw-r--r--fs/compat_ioctl.c2
-rw-r--r--fs/ecryptfs/crypto.c25
-rw-r--r--fs/jffs2/acl.c2
-rw-r--r--fs/locks.c11
-rw-r--r--fs/mbcache.c2
-rw-r--r--fs/ntfs/aops.c10
-rw-r--r--fs/ntfs/attrib.c5
-rw-r--r--fs/ntfs/compress.c10
-rw-r--r--fs/proc/array.c6
-rw-r--r--fs/proc/proc_net.c2
-rw-r--r--fs/proc/proc_sysctl.c6
-rw-r--r--fs/sysfs/dir.c4
-rw-r--r--fs/sysfs/sysfs.h2
-rw-r--r--fs/ufs/super.c15
15 files changed, 64 insertions, 44 deletions
diff --git a/fs/Kconfig b/fs/Kconfig
index cc28a69..c75c954 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -504,7 +504,7 @@ config INOTIFY
including multiple file events, one-shot support, and unmount
notification.
- For more information, see Documentation/filesystems/inotify.txt
+ For more information, see <file:Documentation/filesystems/inotify.txt>
If unsure, say Y.
@@ -518,7 +518,7 @@ config INOTIFY_USER
directories via a single open fd. Events are read from the file
descriptor, which is also select()- and poll()-able.
- For more information, see Documentation/filesystems/inotify.txt
+ For more information, see <file:Documentation/filesystems/inotify.txt>
If unsure, say Y.
@@ -1089,7 +1089,7 @@ config ECRYPT_FS
depends on EXPERIMENTAL && KEYS && CRYPTO && NET
help
Encrypted filesystem that operates on the VFS layer. See
- <file:Documentation/ecryptfs.txt> to learn more about
+ <file:Documentation/filesystems/ecryptfs.txt> to learn more about
eCryptfs. Userspace components are required and can be
obtained from <http://ecryptfs.sf.net>.
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index a4284cc..bd26e4c 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -322,7 +322,7 @@ static int dev_ifname32(unsigned int fd, unsigned int cmd, unsigned long arg)
int err;
uifr = compat_alloc_user_space(sizeof(struct ifreq));
- if (copy_in_user(uifr, compat_ptr(arg), sizeof(struct ifreq32)));
+ if (copy_in_user(uifr, compat_ptr(arg), sizeof(struct ifreq32)))
return -EFAULT;
err = sys_ioctl(fd, SIOCGIFNAME, (unsigned long)uifr);
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 0a9882e..9d70289 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -279,13 +279,13 @@ int virt_to_scatterlist(const void *addr, int size, struct scatterlist *sg,
int offset;
int remainder_of_page;
+ sg_init_table(sg, sg_size);
+
while (size > 0 && i < sg_size) {
pg = virt_to_page(addr);
offset = offset_in_page(addr);
- if (sg) {
- sg_set_page(&sg[i], pg);
- sg[i].offset = offset;
- }
+ if (sg)
+ sg_set_page(&sg[i], pg, 0, offset);
remainder_of_page = PAGE_CACHE_SIZE - offset;
if (size >= remainder_of_page) {
if (sg)
@@ -716,12 +716,8 @@ ecryptfs_encrypt_page_offset(struct ecryptfs_crypt_stat *crypt_stat,
sg_init_table(&src_sg, 1);
sg_init_table(&dst_sg, 1);
- sg_set_page(&src_sg, src_page);
- src_sg.offset = src_offset;
- src_sg.length = size;
- sg_set_page(&dst_sg, dst_page);
- dst_sg.offset = dst_offset;
- dst_sg.length = size;
+ sg_set_page(&src_sg, src_page, size, src_offset);
+ sg_set_page(&dst_sg, dst_page, size, dst_offset);
return encrypt_scatterlist(crypt_stat, &dst_sg, &src_sg, size, iv);
}
@@ -746,14 +742,11 @@ ecryptfs_decrypt_page_offset(struct ecryptfs_crypt_stat *crypt_stat,
struct scatterlist src_sg, dst_sg;
sg_init_table(&src_sg, 1);
+ sg_set_page(&src_sg, src_page, size, src_offset);
+
sg_init_table(&dst_sg, 1);
+ sg_set_page(&dst_sg, dst_page, size, dst_offset);
- sg_set_page(&src_sg, src_page);
- src_sg.offset = src_offset;
- src_sg.length = size;
- sg_set_page(&dst_sg, dst_page);
- dst_sg.offset = dst_offset;
- dst_sg.length = size;
return decrypt_scatterlist(crypt_stat, &dst_sg, &src_sg, size, iv);
}
diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c
index 9728614..77fc583 100644
--- a/fs/jffs2/acl.c
+++ b/fs/jffs2/acl.c
@@ -372,7 +372,7 @@ int jffs2_init_acl_post(struct inode *inode)
return rc;
}
- return rc;
+ return 0;
}
void jffs2_clear_acl(struct jffs2_inode_info *f)
diff --git a/fs/locks.c b/fs/locks.c
index 0127a28..8b8388e 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -696,17 +696,28 @@ EXPORT_SYMBOL(posix_test_lock);
* Note: the above assumption may not be true when handling lock requests
* from a broken NFS client. But broken NFS clients have a lot more to
* worry about than proper deadlock detection anyway... --okir
+ *
+ * However, the failure of this assumption (also possible in the case of
+ * multiple tasks sharing the same open file table) also means there's no
+ * guarantee that the loop below will terminate. As a hack, we give up
+ * after a few iterations.
*/
+
+#define MAX_DEADLK_ITERATIONS 10
+
static int posix_locks_deadlock(struct file_lock *caller_fl,
struct file_lock *block_fl)
{
struct file_lock *fl;
+ int i = 0;
next_task:
if (posix_same_owner(caller_fl, block_fl))
return 1;
list_for_each_entry(fl, &blocked_list, fl_link) {
if (posix_same_owner(fl, block_fl)) {
+ if (i++ > MAX_DEADLK_ITERATIONS)
+ return 0;
fl = fl->fl_next;
block_fl = fl;
goto next_task;
diff --git a/fs/mbcache.c b/fs/mbcache.c
index 1046cbe..eb31b73 100644
--- a/fs/mbcache.c
+++ b/fs/mbcache.c
@@ -403,9 +403,9 @@ mb_cache_entry_alloc(struct mb_cache *cache)
{
struct mb_cache_entry *ce;
- atomic_inc(&cache->c_entry_count);
ce = kmem_cache_alloc(cache->c_entry_cache, GFP_KERNEL);
if (ce) {
+ atomic_inc(&cache->c_entry_count);
INIT_LIST_HEAD(&ce->e_lru_list);
INIT_LIST_HEAD(&ce->e_block_list);
ce->e_cache = cache;
diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c
index cfdc790..ad87cb0 100644
--- a/fs/ntfs/aops.c
+++ b/fs/ntfs/aops.c
@@ -405,6 +405,15 @@ static int ntfs_readpage(struct file *file, struct page *page)
retry_readpage:
BUG_ON(!PageLocked(page));
+ vi = page->mapping->host;
+ i_size = i_size_read(vi);
+ /* Is the page fully outside i_size? (truncate in progress) */
+ if (unlikely(page->index >= (i_size + PAGE_CACHE_SIZE - 1) >>
+ PAGE_CACHE_SHIFT)) {
+ zero_user_page(page, 0, PAGE_CACHE_SIZE, KM_USER0);
+ ntfs_debug("Read outside i_size - truncated?");
+ goto done;
+ }
/*
* This can potentially happen because we clear PageUptodate() during
* ntfs_writepage() of MstProtected() attributes.
@@ -413,7 +422,6 @@ retry_readpage:
unlock_page(page);
return 0;
}
- vi = page->mapping->host;
ni = NTFS_I(vi);
/*
* Only $DATA attributes can be encrypted and only unnamed $DATA
diff --git a/fs/ntfs/attrib.c b/fs/ntfs/attrib.c
index 92dabdc..50d3b0c 100644
--- a/fs/ntfs/attrib.c
+++ b/fs/ntfs/attrib.c
@@ -179,10 +179,7 @@ int ntfs_map_runlist_nolock(ntfs_inode *ni, VCN vcn, ntfs_attr_search_ctx *ctx)
* ntfs_mapping_pairs_decompress() fails.
*/
end_vcn = sle64_to_cpu(a->data.non_resident.highest_vcn) + 1;
- if (!a->data.non_resident.lowest_vcn && end_vcn == 1)
- end_vcn = sle64_to_cpu(a->data.non_resident.allocated_size) >>
- ni->vol->cluster_size_bits;
- if (unlikely(vcn >= end_vcn)) {
+ if (unlikely(vcn && vcn >= end_vcn)) {
err = -ENOENT;
goto err_out;
}
diff --git a/fs/ntfs/compress.c b/fs/ntfs/compress.c
index d98daf5..d1619d0 100644
--- a/fs/ntfs/compress.c
+++ b/fs/ntfs/compress.c
@@ -561,6 +561,16 @@ int ntfs_read_compressed_block(struct page *page)
read_unlock_irqrestore(&ni->size_lock, flags);
max_page = ((i_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT) -
offset;
+ /* Is the page fully outside i_size? (truncate in progress) */
+ if (xpage >= max_page) {
+ kfree(bhs);
+ kfree(pages);
+ zero_user_page(page, 0, PAGE_CACHE_SIZE, KM_USER0);
+ ntfs_debug("Compressed read outside i_size - truncated?");
+ SetPageUptodate(page);
+ unlock_page(page);
+ return 0;
+ }
if (nr_pages < max_page)
max_page = nr_pages;
for (i = 0; i < max_page; i++, offset++) {
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 63c95af..eba339e 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -358,7 +358,8 @@ static cputime_t task_utime(struct task_struct *p)
}
utime = (clock_t)temp;
- return clock_t_to_cputime(utime);
+ p->prev_utime = max(p->prev_utime, clock_t_to_cputime(utime));
+ return p->prev_utime;
}
static cputime_t task_stime(struct task_struct *p)
@@ -373,7 +374,8 @@ static cputime_t task_stime(struct task_struct *p)
stime = nsec_to_clock_t(p->se.sum_exec_runtime) -
cputime_to_clock_t(task_utime(p));
- return clock_t_to_cputime(stime);
+ p->prev_stime = max(p->prev_stime, clock_t_to_cputime(stime));
+ return p->prev_stime;
}
#endif
diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c
index 2e91fb7..749def0 100644
--- a/fs/proc/proc_net.c
+++ b/fs/proc/proc_net.c
@@ -185,7 +185,7 @@ static __net_exit void proc_net_ns_exit(struct net *net)
kfree(net->proc_net_root);
}
-struct pernet_operations __net_initdata proc_net_ns_ops = {
+static struct pernet_operations proc_net_ns_ops = {
.init = proc_net_ns_init,
.exit = proc_net_ns_exit,
};
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 680c429..4e57fcf 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -171,7 +171,8 @@ static ssize_t proc_sys_read(struct file *filp, char __user *buf,
struct dentry *dentry = filp->f_dentry;
struct ctl_table_header *head;
struct ctl_table *table;
- ssize_t error, res;
+ ssize_t error;
+ size_t res;
table = do_proc_sys_lookup(dentry->d_parent, &dentry->d_name, &head);
/* Has the sysctl entry disappeared on us? */
@@ -209,7 +210,8 @@ static ssize_t proc_sys_write(struct file *filp, const char __user *buf,
struct dentry *dentry = filp->f_dentry;
struct ctl_table_header *head;
struct ctl_table *table;
- ssize_t error, res;
+ ssize_t error;
+ size_t res;
table = do_proc_sys_lookup(dentry->d_parent, &dentry->d_name, &head);
/* Has the sysctl entry disappeared on us? */
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 7a8ce9e..3371629 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -132,7 +132,7 @@ struct dentry *sysfs_get_dentry(struct sysfs_dirent *sd)
* RETURNS:
* Pointer to @sd on success, NULL on failure.
*/
-struct sysfs_dirent *sysfs_get_active(struct sysfs_dirent *sd)
+static struct sysfs_dirent *sysfs_get_active(struct sysfs_dirent *sd)
{
if (unlikely(!sd))
return NULL;
@@ -161,7 +161,7 @@ struct sysfs_dirent *sysfs_get_active(struct sysfs_dirent *sd)
* Put an active reference to @sd. This function is noop if @sd
* is NULL.
*/
-void sysfs_put_active(struct sysfs_dirent *sd)
+static void sysfs_put_active(struct sysfs_dirent *sd)
{
struct completion *cmpl;
int v;
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index f841798..ff17f8d 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -103,8 +103,6 @@ extern const struct file_operations sysfs_dir_operations;
extern const struct inode_operations sysfs_dir_inode_operations;
struct dentry *sysfs_get_dentry(struct sysfs_dirent *sd);
-struct sysfs_dirent *sysfs_get_active(struct sysfs_dirent *sd);
-void sysfs_put_active(struct sysfs_dirent *sd);
struct sysfs_dirent *sysfs_get_active_two(struct sysfs_dirent *sd);
void sysfs_put_active_two(struct sysfs_dirent *sd);
void sysfs_addrm_start(struct sysfs_addrm_cxt *acxt,
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 584cf12..c78c04f 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -933,20 +933,19 @@ magic_found:
goto again;
}
- /* Set sbi->s_flags here, used by ufs_get_fs_state() below */
- sbi->s_flags = flags;
+ sbi->s_flags = flags;/*after that line some functions use s_flags*/
ufs_print_super_stuff(sb, usb1, usb2, usb3);
/*
* Check, if file system was correctly unmounted.
* If not, make it read only.
*/
- if ((((flags & UFS_ST_MASK) == UFS_ST_44BSD) ||
- ((flags & UFS_ST_MASK) == UFS_ST_OLD) ||
- ((flags & UFS_ST_MASK) == UFS_ST_SUN) ||
- ((flags & UFS_ST_MASK) == UFS_ST_SUNOS) ||
- ((flags & UFS_ST_MASK) == UFS_ST_SUNx86)) &&
- (ufs_get_fs_state(sb, usb1, usb3) == (UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time)))) {
+ if (((flags & UFS_ST_MASK) == UFS_ST_44BSD) ||
+ ((flags & UFS_ST_MASK) == UFS_ST_OLD) ||
+ (((flags & UFS_ST_MASK) == UFS_ST_SUN ||
+ (flags & UFS_ST_MASK) == UFS_ST_SUNOS ||
+ (flags & UFS_ST_MASK) == UFS_ST_SUNx86) &&
+ (ufs_get_fs_state(sb, usb1, usb3) == (UFS_FSOK - fs32_to_cpu(sb, usb1->fs_time))))) {
switch(usb1->fs_clean) {
case UFS_FSCLEAN:
UFSD("fs is clean\n");