From: Chuck Lever <[email protected]> Report NTFS case sensitivity behavior via the file_kattr boolean fields. NTFS always preserves case at rest.
Case sensitivity depends on mount options: with "nocase", NTFS is case-insensitive; otherwise it is case-sensitive. Signed-off-by: Chuck Lever <[email protected]> --- fs/ntfs3/file.c | 22 ++++++++++++++++++++++ fs/ntfs3/inode.c | 1 + fs/ntfs3/namei.c | 2 ++ fs/ntfs3/ntfs_fs.h | 1 + 4 files changed, 26 insertions(+) diff --git a/fs/ntfs3/file.c b/fs/ntfs3/file.c index 2e7b2e566ebe..434a2d48db02 100644 --- a/fs/ntfs3/file.c +++ b/fs/ntfs3/file.c @@ -146,6 +146,27 @@ long ntfs_compat_ioctl(struct file *filp, u32 cmd, unsigned long arg) } #endif +/* + * ntfs_fileattr_get - inode_operations::fileattr_get + */ +int ntfs_fileattr_get(struct dentry *dentry, struct file_kattr *fa) +{ + struct inode *inode = d_inode(dentry); + struct ntfs_sb_info *sbi = inode->i_sb->s_fs_info; + + /* Avoid any operation if inode is bad. */ + if (unlikely(is_bad_ni(ntfs_i(inode)))) + return -EINVAL; + + /* + * NTFS preserves case (the default). Case sensitivity depends on + * mount options: with "nocase", NTFS is case-insensitive; + * otherwise it is case-sensitive. + */ + fa->case_insensitive = sbi->options && sbi->options->nocase; + return 0; +} + /* * ntfs_getattr - inode_operations::getattr */ @@ -1460,6 +1481,7 @@ const struct inode_operations ntfs_file_inode_operations = { .get_acl = ntfs_get_acl, .set_acl = ntfs_set_acl, .fiemap = ntfs_fiemap, + .fileattr_get = ntfs_fileattr_get, }; const struct file_operations ntfs_file_operations = { diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c index 0a9ac5efeb67..205083e8a6e0 100644 --- a/fs/ntfs3/inode.c +++ b/fs/ntfs3/inode.c @@ -2089,6 +2089,7 @@ const struct inode_operations ntfs_link_inode_operations = { .get_link = ntfs_get_link, .setattr = ntfs_setattr, .listxattr = ntfs_listxattr, + .fileattr_get = ntfs_fileattr_get, }; const struct address_space_operations ntfs_aops = { diff --git a/fs/ntfs3/namei.c b/fs/ntfs3/namei.c index 3b24ca02de61..d09414711016 100644 --- a/fs/ntfs3/namei.c +++ b/fs/ntfs3/namei.c @@ -519,6 +519,7 @@ const struct inode_operations ntfs_dir_inode_operations = { .getattr = ntfs_getattr, .listxattr = ntfs_listxattr, .fiemap = ntfs_fiemap, + .fileattr_get = ntfs_fileattr_get, }; const struct inode_operations ntfs_special_inode_operations = { @@ -527,6 +528,7 @@ const struct inode_operations ntfs_special_inode_operations = { .listxattr = ntfs_listxattr, .get_acl = ntfs_get_acl, .set_acl = ntfs_set_acl, + .fileattr_get = ntfs_fileattr_get, }; const struct dentry_operations ntfs_dentry_ops = { diff --git a/fs/ntfs3/ntfs_fs.h b/fs/ntfs3/ntfs_fs.h index a4559c9f64e6..a578b75f31fc 100644 --- a/fs/ntfs3/ntfs_fs.h +++ b/fs/ntfs3/ntfs_fs.h @@ -504,6 +504,7 @@ extern const struct file_operations ntfs_dir_operations; extern const struct file_operations ntfs_legacy_dir_operations; /* Globals from file.c */ +int ntfs_fileattr_get(struct dentry *dentry, struct file_kattr *fa); int ntfs_getattr(struct mnt_idmap *idmap, const struct path *path, struct kstat *stat, u32 request_mask, u32 flags); int ntfs_setattr(struct mnt_idmap *idmap, struct dentry *dentry, -- 2.52.0 _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
