From 496ad9aa8ef448058e36ca7a787c61f2e63f0f54 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 23 Jan 2013 17:07:38 -0500 Subject: new helper: file_inode(file) Signed-off-by: Al Viro --- fs/ocfs2/aops.c | 4 ++-- fs/ocfs2/dir.c | 2 +- fs/ocfs2/dlmfs/dlmfs.c | 6 +++--- fs/ocfs2/file.c | 10 +++++----- fs/ocfs2/ioctl.c | 4 ++-- fs/ocfs2/mmap.c | 8 ++++---- fs/ocfs2/move_extents.c | 2 +- fs/ocfs2/refcounttree.c | 4 ++-- 8 files changed, 20 insertions(+), 20 deletions(-) (limited to 'fs/ocfs2') diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 657743254eb..db1ad26e02a 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -569,7 +569,7 @@ static void ocfs2_dio_end_io(struct kiocb *iocb, int ret, bool is_async) { - struct inode *inode = iocb->ki_filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(iocb->ki_filp); int level; wait_queue_head_t *wq = ocfs2_ioend_wq(inode); @@ -626,7 +626,7 @@ static ssize_t ocfs2_direct_IO(int rw, unsigned long nr_segs) { struct file *file = iocb->ki_filp; - struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host; + struct inode *inode = file_inode(file)->i_mapping->host; /* * Fallback to buffered I/O if we see an inode without diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 8fe4e2892ab..ac0d4a0e8a4 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -2015,7 +2015,7 @@ int ocfs2_dir_foreach(struct inode *inode, loff_t *f_pos, void *priv, int ocfs2_readdir(struct file * filp, void * dirent, filldir_t filldir) { int error = 0; - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); int lock_level = 0; trace_ocfs2_readdir((unsigned long long)OCFS2_I(inode)->ip_blkno); diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c index 16b712d260d..4c5fc8d77dc 100644 --- a/fs/ocfs2/dlmfs/dlmfs.c +++ b/fs/ocfs2/dlmfs/dlmfs.c @@ -224,7 +224,7 @@ static int dlmfs_file_setattr(struct dentry *dentry, struct iattr *attr) static unsigned int dlmfs_file_poll(struct file *file, poll_table *wait) { int event = 0; - struct inode *inode = file->f_path.dentry->d_inode; + struct inode *inode = file_inode(file); struct dlmfs_inode_private *ip = DLMFS_I(inode); poll_wait(file, &ip->ip_lockres.l_event, wait); @@ -245,7 +245,7 @@ static ssize_t dlmfs_file_read(struct file *filp, int bytes_left; ssize_t readlen, got; char *lvb_buf; - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); mlog(0, "inode %lu, count = %zu, *ppos = %llu\n", inode->i_ino, count, *ppos); @@ -293,7 +293,7 @@ static ssize_t dlmfs_file_write(struct file *filp, int bytes_left; ssize_t writelen; char *lvb_buf; - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); mlog(0, "inode %lu, count = %zu, *ppos = %llu\n", inode->i_ino, count, *ppos); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 37d313ede15..04098af9dbc 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1949,7 +1949,7 @@ out: int ocfs2_change_file_space(struct file *file, unsigned int cmd, struct ocfs2_space_resv *sr) { - struct inode *inode = file->f_path.dentry->d_inode; + struct inode *inode = file_inode(file); struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); int ret; @@ -1977,7 +1977,7 @@ int ocfs2_change_file_space(struct file *file, unsigned int cmd, static long ocfs2_fallocate(struct file *file, int mode, loff_t offset, loff_t len) { - struct inode *inode = file->f_path.dentry->d_inode; + struct inode *inode = file_inode(file); struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_space_resv sr; int change_size = 1; @@ -2232,7 +2232,7 @@ static ssize_t ocfs2_file_aio_write(struct kiocb *iocb, loff_t old_size, *ppos = &iocb->ki_pos; u32 old_clusters; struct file *file = iocb->ki_filp; - struct inode *inode = file->f_path.dentry->d_inode; + struct inode *inode = file_inode(file); struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); int full_coherency = !(osb->s_mount_opt & OCFS2_MOUNT_COHERENCY_BUFFERED); @@ -2516,7 +2516,7 @@ static ssize_t ocfs2_file_splice_read(struct file *in, unsigned int flags) { int ret = 0, lock_level = 0; - struct inode *inode = in->f_path.dentry->d_inode; + struct inode *inode = file_inode(in); trace_ocfs2_file_splice_read(inode, in, in->f_path.dentry, (unsigned long long)OCFS2_I(inode)->ip_blkno, @@ -2546,7 +2546,7 @@ static ssize_t ocfs2_file_aio_read(struct kiocb *iocb, { int ret = 0, rw_level = -1, have_alloc_sem = 0, lock_level = 0; struct file *filp = iocb->ki_filp; - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); trace_ocfs2_file_aio_read(inode, filp, filp->f_path.dentry, (unsigned long long)OCFS2_I(inode)->ip_blkno, diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c index f20edcbfe70..752f0b26221 100644 --- a/fs/ocfs2/ioctl.c +++ b/fs/ocfs2/ioctl.c @@ -881,7 +881,7 @@ bail: long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); unsigned int flags; int new_clusters; int status; @@ -994,7 +994,7 @@ long ocfs2_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg) { bool preserve; struct reflink_arguments args; - struct inode *inode = file->f_path.dentry->d_inode; + struct inode *inode = file_inode(file); struct ocfs2_info info; void __user *argp = (void __user *)arg; diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c index 47a87dda54c..07c585b8500 100644 --- a/fs/ocfs2/mmap.c +++ b/fs/ocfs2/mmap.c @@ -62,7 +62,7 @@ static int __ocfs2_page_mkwrite(struct file *file, struct buffer_head *di_bh, struct page *page) { int ret = VM_FAULT_NOPAGE; - struct inode *inode = file->f_path.dentry->d_inode; + struct inode *inode = file_inode(file); struct address_space *mapping = inode->i_mapping; loff_t pos = page_offset(page); unsigned int len = PAGE_CACHE_SIZE; @@ -131,7 +131,7 @@ out: static int ocfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) { struct page *page = vmf->page; - struct inode *inode = vma->vm_file->f_path.dentry->d_inode; + struct inode *inode = file_inode(vma->vm_file); struct buffer_head *di_bh = NULL; sigset_t oldset; int ret; @@ -180,13 +180,13 @@ int ocfs2_mmap(struct file *file, struct vm_area_struct *vma) { int ret = 0, lock_level = 0; - ret = ocfs2_inode_lock_atime(file->f_dentry->d_inode, + ret = ocfs2_inode_lock_atime(file_inode(file), file->f_vfsmnt, &lock_level); if (ret < 0) { mlog_errno(ret); goto out; } - ocfs2_inode_unlock(file->f_dentry->d_inode, lock_level); + ocfs2_inode_unlock(file_inode(file), lock_level); out: vma->vm_ops = &ocfs2_file_vm_ops; return 0; diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c index 6083432f667..9f8dcadd9a5 100644 --- a/fs/ocfs2/move_extents.c +++ b/fs/ocfs2/move_extents.c @@ -1055,7 +1055,7 @@ int ocfs2_ioctl_move_extents(struct file *filp, void __user *argp) { int status; - struct inode *inode = filp->f_path.dentry->d_inode; + struct inode *inode = file_inode(filp); struct ocfs2_move_extents range; struct ocfs2_move_extents_context *context = NULL; diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index 30a055049e1..1baffaadda4 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c @@ -2927,7 +2927,7 @@ int ocfs2_duplicate_clusters_by_page(handle_t *handle, u32 new_cluster, u32 new_len) { int ret = 0, partial; - struct inode *inode = file->f_path.dentry->d_inode; + struct inode *inode = file_inode(file); struct ocfs2_caching_info *ci = INODE_CACHE(inode); struct super_block *sb = ocfs2_metadata_cache_get_super(ci); u64 new_block = ocfs2_clusters_to_blocks(sb, new_cluster); @@ -3020,7 +3020,7 @@ int ocfs2_duplicate_clusters_by_jbd(handle_t *handle, u32 new_cluster, u32 new_len) { int ret = 0; - struct inode *inode = file->f_path.dentry->d_inode; + struct inode *inode = file_inode(file); struct super_block *sb = inode->i_sb; struct ocfs2_caching_info *ci = INODE_CACHE(inode); int i, blocks = ocfs2_clusters_to_blocks(sb, new_len); -- cgit v1.2.3 From 182be684784334598eee1d90274e7f7aa0063616 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 24 Jan 2013 02:21:54 -0500 Subject: kill f_vfsmnt very few users left... Signed-off-by: Al Viro --- fs/ocfs2/dir.c | 2 +- fs/ocfs2/file.c | 4 ++-- fs/ocfs2/mmap.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) (limited to 'fs/ocfs2') diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index ac0d4a0e8a4..c87d0793bde 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -2020,7 +2020,7 @@ int ocfs2_readdir(struct file * filp, void * dirent, filldir_t filldir) trace_ocfs2_readdir((unsigned long long)OCFS2_I(inode)->ip_blkno); - error = ocfs2_inode_lock_atime(inode, filp->f_vfsmnt, &lock_level); + error = ocfs2_inode_lock_atime(inode, filp->f_path.mnt, &lock_level); if (lock_level && error >= 0) { /* We release EX lock which used to update atime * and get PR lock again to reduce contention diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 04098af9dbc..5bcd865905e 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -2526,7 +2526,7 @@ static ssize_t ocfs2_file_splice_read(struct file *in, /* * See the comment in ocfs2_file_aio_read() */ - ret = ocfs2_inode_lock_atime(inode, in->f_vfsmnt, &lock_level); + ret = ocfs2_inode_lock_atime(inode, in->f_path.mnt, &lock_level); if (ret < 0) { mlog_errno(ret); goto bail; @@ -2589,7 +2589,7 @@ static ssize_t ocfs2_file_aio_read(struct kiocb *iocb, * like i_size. This allows the checks down below * generic_file_aio_read() a chance of actually working. */ - ret = ocfs2_inode_lock_atime(inode, filp->f_vfsmnt, &lock_level); + ret = ocfs2_inode_lock_atime(inode, filp->f_path.mnt, &lock_level); if (ret < 0) { mlog_errno(ret); goto bail; diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c index 07c585b8500..10d66c75cec 100644 --- a/fs/ocfs2/mmap.c +++ b/fs/ocfs2/mmap.c @@ -181,7 +181,7 @@ int ocfs2_mmap(struct file *file, struct vm_area_struct *vma) int ret = 0, lock_level = 0; ret = ocfs2_inode_lock_atime(file_inode(file), - file->f_vfsmnt, &lock_level); + file->f_path.mnt, &lock_level); if (ret < 0) { mlog_errno(ret); goto out; -- cgit v1.2.3 From 94e07a7590ae855bae0536c42b3086fadc7c83a8 Mon Sep 17 00:00:00 2001 From: Namjae Jeon Date: Sun, 17 Feb 2013 15:48:11 +0900 Subject: fs: encode_fh: return FILEID_INVALID if invalid fid_type This patch is a follow up on below patch: [PATCH] exportfs: add FILEID_INVALID to indicate invalid fid_type commit: 216b6cbdcbd86b1db0754d58886b466ae31f5a63 Signed-off-by: Namjae Jeon Signed-off-by: Vivek Trivedi Acked-by: Steven Whitehouse Acked-by: Sage Weil Signed-off-by: Al Viro --- fs/ocfs2/export.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/ocfs2') diff --git a/fs/ocfs2/export.c b/fs/ocfs2/export.c index 322216a5f0d..29651167190 100644 --- a/fs/ocfs2/export.c +++ b/fs/ocfs2/export.c @@ -195,11 +195,11 @@ static int ocfs2_encode_fh(struct inode *inode, u32 *fh_in, int *max_len, if (parent && (len < 6)) { *max_len = 6; - type = 255; + type = FILEID_INVALID; goto bail; } else if (len < 3) { *max_len = 3; - type = 255; + type = FILEID_INVALID; goto bail; } -- cgit v1.2.3 From 30b9c9e6ba289ba3bb67cc292efcc4122ea37ae5 Mon Sep 17 00:00:00 2001 From: Sunil Mushran Date: Fri, 3 Aug 2012 17:36:17 +0100 Subject: ocfs2: Fix oops in ocfs2_fast_symlink_readpage() code path Commit ea022dfb3c2a4680483b00eb2fecc9fc4f6091d1 was missing a var init. Reported-and-Tested-by: Vincent Etienne Signed-off-by: Sunil Mushran Signed-off-by: Joel Becker Signed-off-by: Al Viro --- fs/ocfs2/symlink.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/ocfs2') diff --git a/fs/ocfs2/symlink.c b/fs/ocfs2/symlink.c index f1fbb4b552a..66edce7ecfd 100644 --- a/fs/ocfs2/symlink.c +++ b/fs/ocfs2/symlink.c @@ -57,7 +57,7 @@ static int ocfs2_fast_symlink_readpage(struct file *unused, struct page *page) { struct inode *inode = page->mapping->host; - struct buffer_head *bh; + struct buffer_head *bh = NULL; int status = ocfs2_read_inode_block(inode, &bh); struct ocfs2_dinode *fe; const char *link; -- cgit v1.2.3 From 9b171e0c74ca0549d0610990a862dd895870f04a Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 20 Feb 2013 13:16:39 +1100 Subject: ocfs2: fix possible use-after-free with AIO Running AIO is pinning inode in memory using file reference. Once AIO is completed using aio_complete(), file reference is put and inode can be freed from memory. So we have to be sure that calling aio_complete() is the last thing we do with the inode. Signed-off-by: Jan Kara Acked-by: Jeff Moyer Acked-by: Joel Becker Cc: Mark Fasheh Cc: Al Viro Cc: Signed-off-by: Andrew Morton Signed-off-by: Al Viro --- fs/ocfs2/aops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/ocfs2') diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index db1ad26e02a..50fe28b988c 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -593,9 +593,9 @@ static void ocfs2_dio_end_io(struct kiocb *iocb, level = ocfs2_iocb_rw_locked_level(iocb); ocfs2_rw_unlock(inode, level); + inode_dio_done(inode); if (is_async) aio_complete(iocb, ret, 0); - inode_dio_done(inode); } /* -- cgit v1.2.3 From b24ae0b54be4e46bb88398f29c5f79c5dad2a602 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Thu, 26 Jul 2012 16:05:05 +0300 Subject: ocfs2/dlm: use GFP_ATOMIC inside a spin_lock My static checker complains that this is called with a spin_lock held in dlm_master_requery_handler() from dlmrecovery.c. Probably the reason we have not received any bug reports about this is that recovery is not a common operation. Signed-off-by: Dan Carpenter Signed-off-by: Joel Becker Signed-off-by: Al Viro --- fs/ocfs2/dlm/dlmmaster.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/ocfs2') diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index 005261c333b..33ecbe0e673 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -2020,7 +2020,7 @@ int dlm_dispatch_assert_master(struct dlm_ctxt *dlm, int ignore_higher, u8 request_from, u32 flags) { struct dlm_work_item *item; - item = kzalloc(sizeof(*item), GFP_NOFS); + item = kzalloc(sizeof(*item), GFP_ATOMIC); if (!item) return -ENOMEM; -- cgit v1.2.3