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ceph: fix comments mentioning i_mutex

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inode->i_mutex has been replaced with inode->i_rwsem long ago. Fix
comments still mentioning i_mutex.

Signed-off-by: hongnanli <hongnan.li@linux.alibaba.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
hongnanli 2022-02-11 11:33:25 +08:00 committed by Ilya Dryomov
parent 370f0acf2c
commit 810313c5f3
2 changed files with 5 additions and 5 deletions
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6
fs/ceph/dir.c
View File

@ -145,7 +145,7 @@ __dcache_find_get_entry(struct dentry *parent, u64 idx,
return ERR_PTR(-EAGAIN);
}
/* reading/filling the cache are serialized by
i_mutex, no need to use page lock */
i_rwsem, no need to use page lock */
unlock_page(cache_ctl->page);
cache_ctl->dentries = kmap(cache_ctl->page);
}
@ -155,7 +155,7 @@ __dcache_find_get_entry(struct dentry *parent, u64 idx,
rcu_read_lock();
spin_lock(&parent->d_lock);
/* check i_size again here, because empty directory can be
* marked as complete while not holding the i_mutex. */
* marked as complete while not holding the i_rwsem. */
if (ceph_dir_is_complete_ordered(dir) && ptr_pos < i_size_read(dir))
dentry = cache_ctl->dentries[cache_ctl->index];
else
@ -671,7 +671,7 @@ struct dentry *ceph_handle_snapdir(struct ceph_mds_request *req,
struct dentry *dentry)
{
struct ceph_fs_client *fsc = ceph_sb_to_client(dentry->d_sb);
struct inode *parent = d_inode(dentry->d_parent); /* we hold i_mutex */
struct inode *parent = d_inode(dentry->d_parent); /* we hold i_rwsem */
/* .snap dir? */
if (ceph_snap(parent) == CEPH_NOSNAP &&

4
fs/ceph/inode.c
View File

@ -1201,7 +1201,7 @@ out_unlock:
/*
* splice a dentry to an inode.
* caller must hold directory i_mutex for this to be safe.
* caller must hold directory i_rwsem for this to be safe.
*/
static int splice_dentry(struct dentry **pdn, struct inode *in)
{
@ -1598,7 +1598,7 @@ static int fill_readdir_cache(struct inode *dir, struct dentry *dn,
return idx == 0 ? -ENOMEM : 0;
}
/* reading/filling the cache are serialized by
* i_mutex, no need to use page lock */
* i_rwsem, no need to use page lock */
unlock_page(ctl->page);
ctl->dentries = kmap(ctl->page);
if (idx == 0)