wrappers for ->i_mutex access

[mirror_ubuntu-bionic-kernel.git] / mm / shmem.c

diff --git a/mm/shmem.c b/mm/shmem.c
index fa2ceb2d2655dbd8e06ecd4e02384df5ad5b5891..38c5e72c7008cbb2e35bcb2998209a8f53cf3333 100644 (file)
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1902,7 +1902,7 @@ static loff_t shmem_file_llseek(struct file *file, loff_t offset, int whence)
        if (whence != SEEK_DATA && whence != SEEK_HOLE)
                return generic_file_llseek_size(file, offset, whence,
                                        MAX_LFS_FILESIZE, i_size_read(inode));
-       mutex_lock(&inode->i_mutex);
+       inode_lock(inode);
        /* We're holding i_mutex so we can access i_size directly */
 
        if (offset < 0)
@@ -1926,7 +1926,7 @@ static loff_t shmem_file_llseek(struct file *file, loff_t offset, int whence)
 
        if (offset >= 0)
                offset = vfs_setpos(file, offset, MAX_LFS_FILESIZE);
-       mutex_unlock(&inode->i_mutex);
+       inode_unlock(inode);
        return offset;
 }
 
@@ -2091,7 +2091,7 @@ int shmem_add_seals(struct file *file, unsigned int seals)
        if (seals & ~(unsigned int)F_ALL_SEALS)
                return -EINVAL;
 
-       mutex_lock(&inode->i_mutex);
+       inode_lock(inode);
 
        if (info->seals & F_SEAL_SEAL) {
                error = -EPERM;
@@ -2114,7 +2114,7 @@ int shmem_add_seals(struct file *file, unsigned int seals)
        error = 0;
 
 unlock:
-       mutex_unlock(&inode->i_mutex);
+       inode_unlock(inode);
        return error;
 }
 EXPORT_SYMBOL_GPL(shmem_add_seals);
@@ -2164,7 +2164,7 @@ static long shmem_fallocate(struct file *file, int mode, loff_t offset,
        if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))
                return -EOPNOTSUPP;
 
-       mutex_lock(&inode->i_mutex);
+       inode_lock(inode);
 
        if (mode & FALLOC_FL_PUNCH_HOLE) {
                struct address_space *mapping = file->f_mapping;
@@ -2277,7 +2277,7 @@ undone:
        inode->i_private = NULL;
        spin_unlock(&inode->i_lock);
 out:
-       mutex_unlock(&inode->i_mutex);
+       inode_unlock(inode);
        return error;
 }