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[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem

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This patch converts the inode semaphore to a mutex. I have tested it on
XFS and compiled as much as one can consider on an ia64. Anyway your
luck with it might be different.

Modified-by: Ingo Molnar <mingo@elte.hu>

(finished the conversion)

Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jes Sorensen
2006-01-09 15:59:24 -08:00
committed by Ingo Molnar
parent 794ee1baee
commit 1b1dcc1b57
113 changed files with 563 additions and 573 deletions
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6
fs/hppfs/hppfs_kern.c
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@@ -171,12 +171,12 @@ static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry,
err = -ENOMEM;
parent = HPPFS_I(ino)->proc_dentry;
down(&parent->d_inode->i_sem);
mutex_lock(&parent->d_inode->i_mutex);
proc_dentry = d_lookup(parent, &dentry->d_name);
if(proc_dentry == NULL){
proc_dentry = d_alloc(parent, &dentry->d_name);
if(proc_dentry == NULL){
up(&parent->d_inode->i_sem);
mutex_unlock(&parent->d_inode->i_mutex);
goto out;
}
new = (*parent->d_inode->i_op->lookup)(parent->d_inode,
@@ -186,7 +186,7 @@ static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry,
proc_dentry = new;
}
}
up(&parent->d_inode->i_sem);
mutex_unlock(&parent->d_inode->i_mutex);
if(IS_ERR(proc_dentry))
return(proc_dentry);