[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
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794ee1baee
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1b1dcc1b57
@@ -729,13 +729,13 @@ static int fat_dir_ioctl(struct inode * inode, struct file * filp,
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buf.dirent = d1;
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buf.result = 0;
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down(&inode->i_sem);
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mutex_lock(&inode->i_mutex);
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ret = -ENOENT;
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if (!IS_DEADDIR(inode)) {
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ret = __fat_readdir(inode, filp, &buf, fat_ioctl_filldir,
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short_only, both);
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}
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up(&inode->i_sem);
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mutex_unlock(&inode->i_mutex);
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if (ret >= 0)
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ret = buf.result;
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return ret;
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