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authorMiklos Szeredi <mszeredi@redhat.com>2019-01-24 12:40:17 +0300
committerMiklos Szeredi <mszeredi@redhat.com>2019-02-13 15:15:15 +0300
commit2f7b6f5bed01a3fd2abcc20d2c85b7c532eb95cd (patch)
treed336e825a3562b8c2555bbb113d78cdc93891dcc /fs/fuse
parent55752a3aba1387887afa024a0732f8ae52fb0645 (diff)
downloadlinux-2f7b6f5bed01a3fd2abcc20d2c85b7c532eb95cd.tar.xz
fuse: lift bad inode checks into callers
Bad inode checks were done done in various places, and move them into fuse_file_{read|write}_iter(). Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/fuse')
-rw-r--r--fs/fuse/file.c26
1 files changed, 10 insertions, 16 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index e5dfc5e4b999..8ee0446a8322 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1131,9 +1131,6 @@ static ssize_t fuse_perform_write(struct kiocb *iocb,
int err = 0;
ssize_t res = 0;
- if (is_bad_inode(inode))
- return -EIO;
-
if (inode->i_size < pos + iov_iter_count(ii))
set_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
@@ -1422,9 +1419,6 @@ static ssize_t __fuse_direct_read(struct fuse_io_priv *io,
ssize_t res;
struct inode *inode = file_inode(io->iocb->ki_filp);
- if (is_bad_inode(inode))
- return -EIO;
-
res = fuse_direct_io(io, iter, ppos, 0);
fuse_invalidate_atime(inode);
@@ -1439,11 +1433,6 @@ static ssize_t fuse_direct_read_iter(struct kiocb *iocb, struct iov_iter *to)
ssize_t res;
if (!is_sync_kiocb(iocb) && iocb->ki_flags & IOCB_DIRECT) {
- struct file *file = iocb->ki_filp;
-
- if (is_bad_inode(file_inode(file)))
- return -EIO;
-
res = fuse_direct_IO(iocb, to);
} else {
struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(iocb);
@@ -1460,9 +1449,6 @@ static ssize_t fuse_direct_write_iter(struct kiocb *iocb, struct iov_iter *from)
struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(iocb);
ssize_t res;
- if (is_bad_inode(inode))
- return -EIO;
-
/* Don't allow parallel writes to the same file */
inode_lock(inode);
res = generic_write_checks(iocb, from);
@@ -1484,7 +1470,11 @@ static ssize_t fuse_direct_write_iter(struct kiocb *iocb, struct iov_iter *from)
static ssize_t fuse_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
{
- struct fuse_file *ff = iocb->ki_filp->private_data;
+ struct file *file = iocb->ki_filp;
+ struct fuse_file *ff = file->private_data;
+
+ if (is_bad_inode(file_inode(file)))
+ return -EIO;
if (!(ff->open_flags & FOPEN_DIRECT_IO))
return fuse_cache_read_iter(iocb, to);
@@ -1494,7 +1484,11 @@ static ssize_t fuse_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
static ssize_t fuse_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
{
- struct fuse_file *ff = iocb->ki_filp->private_data;
+ struct file *file = iocb->ki_filp;
+ struct fuse_file *ff = file->private_data;
+
+ if (is_bad_inode(file_inode(file)))
+ return -EIO;
if (!(ff->open_flags & FOPEN_DIRECT_IO))
return fuse_cache_write_iter(iocb, from);