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

parent
794ee1baee
commit
1b1dcc1b57
@@ -51,7 +51,7 @@ setxattr(struct dentry *d, char __user *name, void __user *value,
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}
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}
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down(&d->d_inode->i_sem);
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mutex_lock(&d->d_inode->i_mutex);
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error = security_inode_setxattr(d, kname, kvalue, size, flags);
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if (error)
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goto out;
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@@ -73,7 +73,7 @@ setxattr(struct dentry *d, char __user *name, void __user *value,
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fsnotify_xattr(d);
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}
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out:
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up(&d->d_inode->i_sem);
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mutex_unlock(&d->d_inode->i_mutex);
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kfree(kvalue);
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return error;
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}
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@@ -323,9 +323,9 @@ removexattr(struct dentry *d, char __user *name)
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error = security_inode_removexattr(d, kname);
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if (error)
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goto out;
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down(&d->d_inode->i_sem);
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mutex_lock(&d->d_inode->i_mutex);
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error = d->d_inode->i_op->removexattr(d, kname);
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up(&d->d_inode->i_sem);
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mutex_unlock(&d->d_inode->i_mutex);
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if (!error)
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fsnotify_xattr(d);
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}
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