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cifs: new helper function: cifs_revalidate_mapping 

Consolidate a bit of code. In a later patch we'll expand this to fix
some races.

Signed-off-by: Jeff Layton <jlayton@poochiereds.net>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Jeff Layton 2014-04-30 09:31:46 -04:00 committed by Steve French
parent aff8d5ca7a
commit e284e53fde
2 changed files with 11 additions and 6 deletions
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1
fs/cifs/cifsfs.h
View File

@ -75,6 +75,7 @@ extern int cifs_revalidate_dentry_attr(struct dentry *);
extern int cifs_revalidate_file(struct file *filp);
extern int cifs_revalidate_dentry(struct dentry *);
extern int cifs_invalidate_mapping(struct inode *inode);
extern int cifs_revalidate_mapping(struct inode *inode);
extern int cifs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
extern int cifs_setattr(struct dentry *, struct iattr *);

16
fs/cifs/inode.c
View File

@ -1779,6 +1779,14 @@ cifs_invalidate_mapping(struct inode *inode)
return rc;
}
int
cifs_revalidate_mapping(struct inode *inode)
{
if (test_bit(CIFS_INO_INVALID_MAPPING, &CIFS_I(inode)->flags))
return cifs_invalidate_mapping(inode);
return 0;
}
int cifs_revalidate_file_attr(struct file *filp)
{
int rc = 0;
@ -1845,9 +1853,7 @@ int cifs_revalidate_file(struct file *filp)
if (rc)
return rc;
if (test_bit(CIFS_INO_INVALID_MAPPING, &CIFS_I(inode)->flags))
rc = cifs_invalidate_mapping(inode);
return rc;
return cifs_revalidate_mapping(inode);
}
/* revalidate a dentry's inode attributes */
@ -1860,9 +1866,7 @@ int cifs_revalidate_dentry(struct dentry *dentry)
if (rc)
return rc;
if (test_bit(CIFS_INO_INVALID_MAPPING, &CIFS_I(inode)->flags))
rc = cifs_invalidate_mapping(inode);
return rc;
return cifs_revalidate_mapping(inode);
}
int cifs_getattr(struct vfsmount *mnt, struct dentry *dentry,