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| author |   Gao Xiang <gaoxiang25@huawei.com> | 2019-05-28 11:19:42 +0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-30 13:59:10 -0700 |
| commit | 89f27eded5b63c697287050d9ef5c713cde0af98 (patch) | |
| tree | 3191174a0bc77115baaa85524fa109a17904dfb5 /drivers/staging/erofs | |
| parent | MAINTAINERS: Add entry for anybuss drivers (diff) | |
| download | linux-dev-89f27eded5b63c697287050d9ef5c713cde0af98.tar.xz linux-dev-89f27eded5b63c697287050d9ef5c713cde0af98.zip | |
staging: erofs: support statx
statx() has already been supported in commit a528d35e8bfc
("statx: Add a system call to make enhanced file info available"),
user programs can get more useful attributes.
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/erofs')
| -rw-r--r-- | drivers/staging/erofs/inode.c | 20 | ||||
| -rw-r--r-- | drivers/staging/erofs/internal.h | 2 | ||||
| -rw-r--r-- | drivers/staging/erofs/namei.c | 1 |
3 files changed, 23 insertions, 0 deletions
diff --git a/drivers/staging/erofs/inode.c b/drivers/staging/erofs/inode.c index c7d3b815a798..1c220900e1a0 100644 --- a/drivers/staging/erofs/inode.c +++ b/drivers/staging/erofs/inode.c @@ -285,7 +285,25 @@ struct inode *erofs_iget(struct super_block *sb, return inode; } +int erofs_getattr(const struct path *path, struct kstat *stat, + u32 request_mask, unsigned int query_flags) +{ + struct inode *const inode = d_inode(path->dentry); + struct erofs_vnode *const vi = EROFS_V(inode); + + if (vi->data_mapping_mode == EROFS_INODE_LAYOUT_COMPRESSION) + stat->attributes |= STATX_ATTR_COMPRESSED; + + stat->attributes |= STATX_ATTR_IMMUTABLE; + stat->attributes_mask |= (STATX_ATTR_COMPRESSED | + STATX_ATTR_IMMUTABLE); + + generic_fillattr(inode, stat); + return 0; +} + const struct inode_operations erofs_generic_iops = { + .getattr = erofs_getattr, #ifdef CONFIG_EROFS_FS_XATTR .listxattr = erofs_listxattr, #endif @@ -294,6 +312,7 @@ const struct inode_operations erofs_generic_iops = { const struct inode_operations erofs_symlink_iops = { .get_link = page_get_link, + .getattr = erofs_getattr, #ifdef CONFIG_EROFS_FS_XATTR .listxattr = erofs_listxattr, #endif @@ -302,6 +321,7 @@ const struct inode_operations erofs_symlink_iops = { const struct inode_operations erofs_fast_symlink_iops = { .get_link = simple_get_link, + .getattr = erofs_getattr, #ifdef CONFIG_EROFS_FS_XATTR .listxattr = erofs_listxattr, #endif diff --git a/drivers/staging/erofs/internal.h b/drivers/staging/erofs/internal.h index c47778b3fabd..911333cdeef4 100644 --- a/drivers/staging/erofs/internal.h +++ b/drivers/staging/erofs/internal.h @@ -556,6 +556,8 @@ static inline bool is_inode_fast_symlink(struct inode *inode) } struct inode *erofs_iget(struct super_block *sb, erofs_nid_t nid, bool dir); +int erofs_getattr(const struct path *path, struct kstat *stat, + u32 request_mask, unsigned int query_flags); /* namei.c */ extern const struct inode_operations erofs_dir_iops; diff --git a/drivers/staging/erofs/namei.c b/drivers/staging/erofs/namei.c index d8d9dc9dab43..fd3ae78d0ba5 100644 --- a/drivers/staging/erofs/namei.c +++ b/drivers/staging/erofs/namei.c @@ -247,6 +247,7 @@ static struct dentry *erofs_lookup(struct inode *dir, const struct inode_operations erofs_dir_iops = { .lookup = erofs_lookup, + .getattr = erofs_getattr, #ifdef CONFIG_EROFS_FS_XATTR .listxattr = erofs_listxattr, #endif |