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authorRafael J. Wysocki <rjw@sisk.pl>2009-08-20 20:24:33 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2009-08-20 20:24:33 +0200
commit39cf0518d89d1f0af79554457c52adb5b12fa43c (patch)
tree3d04a6efe1e2afb6db7091af4b7033a56ae1b077 /fs
parentaf15c1addf920d830b030e3489a482456904ca8c (diff)
parent6c30c53fd5ae6a99a23ad78e90c428d2c8ffb07f (diff)
Merge branch 'master' into for-linus
Diffstat (limited to 'fs')
-rw-r--r--fs/libfs.c2
-rw-r--r--fs/nilfs2/super.c2
-rw-r--r--fs/nilfs2/the_nilfs.h2
-rw-r--r--fs/proc/base.c19
4 files changed, 7 insertions, 18 deletions
diff --git a/fs/libfs.c b/fs/libfs.c
index ddfa89948c3..dcec3d3ea64 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -217,7 +217,7 @@ int get_sb_pseudo(struct file_system_type *fs_type, char *name,
return PTR_ERR(s);
s->s_flags = MS_NOUSER;
- s->s_maxbytes = ~0ULL;
+ s->s_maxbytes = MAX_LFS_FILESIZE;
s->s_blocksize = PAGE_SIZE;
s->s_blocksize_bits = PAGE_SHIFT;
s->s_magic = magic;
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 8e2ec43b18f..151964f0de4 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -416,8 +416,10 @@ int nilfs_attach_checkpoint(struct nilfs_sb_info *sbi, __u64 cno)
if (unlikely(err))
goto failed;
+ down_read(&nilfs->ns_segctor_sem);
err = nilfs_cpfile_get_checkpoint(nilfs->ns_cpfile, cno, 0, &raw_cp,
&bh_cp);
+ up_read(&nilfs->ns_segctor_sem);
if (unlikely(err)) {
if (err == -ENOENT || err == -EINVAL) {
printk(KERN_ERR
diff --git a/fs/nilfs2/the_nilfs.h b/fs/nilfs2/the_nilfs.h
index e8adbffc626..1b9caafb866 100644
--- a/fs/nilfs2/the_nilfs.h
+++ b/fs/nilfs2/the_nilfs.h
@@ -253,7 +253,7 @@ nilfs_detach_writer(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi)
static inline void nilfs_put_sbinfo(struct nilfs_sb_info *sbi)
{
- if (!atomic_dec_and_test(&sbi->s_count))
+ if (atomic_dec_and_test(&sbi->s_count))
kfree(sbi);
}
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 175db258942..6f742f6658a 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1003,12 +1003,7 @@ static ssize_t oom_adjust_read(struct file *file, char __user *buf,
if (!task)
return -ESRCH;
- task_lock(task);
- if (task->mm)
- oom_adjust = task->mm->oom_adj;
- else
- oom_adjust = OOM_DISABLE;
- task_unlock(task);
+ oom_adjust = task->oomkilladj;
put_task_struct(task);
len = snprintf(buffer, sizeof(buffer), "%i\n", oom_adjust);
@@ -1037,19 +1032,11 @@ static ssize_t oom_adjust_write(struct file *file, const char __user *buf,
task = get_proc_task(file->f_path.dentry->d_inode);
if (!task)
return -ESRCH;
- task_lock(task);
- if (!task->mm) {
- task_unlock(task);
- put_task_struct(task);
- return -EINVAL;
- }
- if (oom_adjust < task->mm->oom_adj && !capable(CAP_SYS_RESOURCE)) {
- task_unlock(task);
+ if (oom_adjust < task->oomkilladj && !capable(CAP_SYS_RESOURCE)) {
put_task_struct(task);
return -EACCES;
}
- task->mm->oom_adj = oom_adjust;
- task_unlock(task);
+ task->oomkilladj = oom_adjust;
put_task_struct(task);
if (end - buffer == 0)
return -EIO;