Messages in this thread | | | Date | Wed, 29 Jun 2011 14:09:39 -0400 | From | Christoph Hellwig <> | Subject | Re: [PATCH] fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers |
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> -int blkdev_fsync(struct file *filp, int datasync) > +int blkdev_fsync(struct file *filp, loff_t start, loff_t end, int datasync) > { > struct inode *bd_inode = filp->f_mapping->host; > struct block_device *bdev = I_BDEV(bd_inode); > @@ -389,14 +389,10 @@ int blkdev_fsync(struct file *filp, int datasync) > * i_mutex and doing so causes performance issues with concurrent > * O_SYNC writers to a block device. > */ > - mutex_unlock(&bd_inode->i_mutex); > -
Now that i_mutex on entry isn't held the comment above can be removed.
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