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hfsplus: return file attributes on statx

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The immutable, append-only and no-dump attributes can only be retrieved
with an ioctl; implement the ->getattr() method to return them on statx.
Do not return the inode birthtime yet, because the issue of how best to
handle the post-2038 timestamps is still under discussion.

This patch is needed to pass xfstests generic/424.

Link: http://lkml.kernel.org/r/20181014163558.sxorxlzjqccq2lpw@eaf
Signed-off-by: Ernesto A. Fernández <ernesto.mnd.fernandez@gmail.com>
Cc: Viacheslav Dubeyko <slava@dubeyko.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ernesto A. Fernández 2019-01-03 15:27:46 -08:00 committed by Linus Torvalds
parent f5162216b7
commit f93ca1ed9b
3 changed files with 24 additions and 0 deletions
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1
fs/hfsplus/dir.c
View File

@ -565,6 +565,7 @@ const struct inode_operations hfsplus_dir_inode_operations = {
.symlink = hfsplus_symlink,
.mknod = hfsplus_mknod,
.rename = hfsplus_rename,
.getattr = hfsplus_getattr,
.listxattr = hfsplus_listxattr,
};

2
fs/hfsplus/hfsplus_fs.h
View File

@ -488,6 +488,8 @@ void hfsplus_inode_write_fork(struct inode *inode,
struct hfsplus_fork_raw *fork);
int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd);
int hfsplus_cat_write_inode(struct inode *inode);
int hfsplus_getattr(const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int query_flags);
int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
int datasync);

21
fs/hfsplus/inode.c
View File

@ -270,6 +270,26 @@ static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr)
return 0;
}
int hfsplus_getattr(const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
if (inode->i_flags & S_APPEND)
stat->attributes |= STATX_ATTR_APPEND;
if (inode->i_flags & S_IMMUTABLE)
stat->attributes |= STATX_ATTR_IMMUTABLE;
if (hip->userflags & HFSPLUS_FLG_NODUMP)
stat->attributes |= STATX_ATTR_NODUMP;
stat->attributes_mask |= STATX_ATTR_APPEND | STATX_ATTR_IMMUTABLE |
STATX_ATTR_NODUMP;
generic_fillattr(inode, stat);
return 0;
}
int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
int datasync)
{
@ -329,6 +349,7 @@ int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
static const struct inode_operations hfsplus_file_inode_operations = {
.setattr = hfsplus_setattr,
.getattr = hfsplus_getattr,
.listxattr = hfsplus_listxattr,
};