diff options
| author | Tejun Heo <tj@kernel.org> | 2013-01-23 21:31:01 +0400 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2013-01-23 21:31:01 +0400 |
| commit | c14afb82ffff5903a701a9fb737ac20f36d1f755 (patch) | |
| tree | 304dcc7b1d7b9a5f564f7e978228e61ef41fbef2 /fs/proc/generic.c | |
| parent | 0fdff3ec6d87856cdcc99e69cf42143fdd6c56b4 (diff) | |
| parent | 1d8549085377674224bf30a368284c391a3ce40e (diff) | |
| download | linux-c14afb82ffff5903a701a9fb737ac20f36d1f755.tar.xz | |
Merge branch 'master' into for-3.9-async
To receive f56c3196f251012de9b3ebaff55732a9074fdaae ("async: fix
__lowest_in_progress()").
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'fs/proc/generic.c')
| -rw-r--r-- | fs/proc/generic.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 7b3ae3cc0ef9..76ddae83daa5 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -261,16 +261,9 @@ static int proc_notify_change(struct dentry *dentry, struct iattr *iattr) if (error) return error; - if ((iattr->ia_valid & ATTR_SIZE) && - iattr->ia_size != i_size_read(inode)) { - error = vmtruncate(inode, iattr->ia_size); - if (error) - return error; - } - setattr_copy(inode, iattr); mark_inode_dirty(inode); - + de->uid = inode->i_uid; de->gid = inode->i_gid; de->mode = inode->i_mode; @@ -359,18 +352,18 @@ retry: if (!ida_pre_get(&proc_inum_ida, GFP_KERNEL)) return -ENOMEM; - spin_lock(&proc_inum_lock); + spin_lock_irq(&proc_inum_lock); error = ida_get_new(&proc_inum_ida, &i); - spin_unlock(&proc_inum_lock); + spin_unlock_irq(&proc_inum_lock); if (error == -EAGAIN) goto retry; else if (error) return error; if (i > UINT_MAX - PROC_DYNAMIC_FIRST) { - spin_lock(&proc_inum_lock); + spin_lock_irq(&proc_inum_lock); ida_remove(&proc_inum_ida, i); - spin_unlock(&proc_inum_lock); + spin_unlock_irq(&proc_inum_lock); return -ENOSPC; } *inum = PROC_DYNAMIC_FIRST + i; @@ -379,9 +372,10 @@ retry: void proc_free_inum(unsigned int inum) { - spin_lock(&proc_inum_lock); + unsigned long flags; + spin_lock_irqsave(&proc_inum_lock, flags); ida_remove(&proc_inum_ida, inum - PROC_DYNAMIC_FIRST); - spin_unlock(&proc_inum_lock); + spin_unlock_irqrestore(&proc_inum_lock, flags); } static void *proc_follow_link(struct dentry *dentry, struct nameidata *nd) |