sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

fs/shmfs: Fix stat() system call for shmfs object

Browse Source 
Set i_size for shmfs objects
This commit is contained in:
Ville Juven 2024-02-01 12:31:46 +02:00 committed by Xiang Xiao
parent 07ce2f717a
commit f0846e1d2d
3 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
fs/shm/shmfs.c
View File

@ -238,8 +238,13 @@ static int shmfs_truncate(FAR struct file *filep, off_t length)
filep->f_inode->i_private = shmfs_alloc_object(length); filep->f_inode->i_private = shmfs_alloc_object(length);
if (!filep->f_inode->i_private) if (!filep->f_inode->i_private)
{ {
filep->f_inode->i_size = 0;
ret = -EFAULT; ret = -EFAULT;
} }
else
{
filep->f_inode->i_size = length;
}
} }
else if (object->length != length) else if (object->length != length)
{ {

1
fs/vfs/fs_stat.c
View File

@ -284,6 +284,7 @@ int inode_stat(FAR struct inode *inode, FAR struct stat *buf, int resolve)
if (INODE_IS_SHM(inode)) if (INODE_IS_SHM(inode))
{ {
buf->st_mode = S_IFSHM; buf->st_mode = S_IFSHM;
buf->st_size = inode->i_size;
} }
else else
#endif #endif

2
include/nuttx/fs/fs.h
View File

@ -412,7 +412,7 @@ struct inode
uint16_t i_flags; /* Flags for inode */ uint16_t i_flags; /* Flags for inode */
union inode_ops_u u; /* Inode operations */ union inode_ops_u u; /* Inode operations */
ino_t i_ino; /* Inode serial number */ ino_t i_ino; /* Inode serial number */
#ifdef CONFIG_PSEUDOFS_FILE #if defined(CONFIG_PSEUDOFS_FILE) || defined(CONFIG_FS_SHMFS)
size_t i_size; /* The size of per inode driver */ size_t i_size; /* The size of per inode driver */
#endif #endif
#ifdef CONFIG_PSEUDOFS_ATTRIBUTES #ifdef CONFIG_PSEUDOFS_ATTRIBUTES