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erofs: make the size of read data stored in buffer_ofs

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Since now xattr_iter structures have been unified, make the size of the
read data stored in buffer_ofs.  Don't bother reusing buffer_size for
this use, which may be confusing.

This is in preparation for the following further cleanup.

Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230613074114.120115-4-jefflexu@linux.alibaba.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
This commit is contained in:
Jingbo Xu 2023-06-13 15:41:12 +08:00 committed by Gao Xiang
parent 8e823961de
commit 5a8ffb1975
1 changed files with 3 additions and 3 deletions
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6
fs/erofs/xattr.c
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@ -315,7 +315,7 @@ static int xattr_checkbuffer(struct erofs_xattr_iter *it,
{
int err = it->buffer_size < value_sz ? -ERANGE : 0;
it->buffer_size = value_sz;
it->buffer_ofs = value_sz;
return !it->buffer ? 1 : err;
}
@ -348,7 +348,7 @@ static int inline_getxattr(struct inode *inode, struct erofs_xattr_iter *it)
if (ret != -ENOATTR)
break;
}
return ret ? ret : it->buffer_size;
return ret ? ret : it->buffer_ofs;
}
static int shared_getxattr(struct inode *inode, struct erofs_xattr_iter *it)
@ -371,7 +371,7 @@ static int shared_getxattr(struct inode *inode, struct erofs_xattr_iter *it)
if (ret != -ENOATTR)
break;
}
return ret ? ret : it->buffer_size;
return ret ? ret : it->buffer_ofs;
}
static bool erofs_xattr_user_list(struct dentry *dentry)