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| author | H. Peter Anvin <hpa@zytor.com> | 2010-06-25 20:36:59 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-06-25 20:36:59 -0700 |
| commit | 4deec2c8fb4f93204187f54f9b722072be537832 (patch) | |
| tree | cd539c52dbe8c2980bb61b632580014479b6cd60 /core/include/fs.h | |
| parent | 4b038f7218b382a146a101b685264ca425c13811 (diff) | |
| download | syslinux-4deec2c8fb4f93204187f54f9b722072be537832.tar.gz | |
core, fs: handle .. resolution in the filesystem core
Some filesystems, including btrfs, don't have .. directory entries.
We already handle . in the filesystem core, handle .. as well.
This means keeping chains of parent inodes for all open inodes, at
least for the duration of a path search; we might as well hang onto
them.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'core/include/fs.h')
| -rw-r--r-- | core/include/fs.h | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/core/include/fs.h b/core/include/fs.h index f1d35bbb..bb629c91 100644 --- a/core/include/fs.h +++ b/core/include/fs.h @@ -94,6 +94,7 @@ struct extent { */ struct inode { struct fs_info *fs; /* The filesystem this inode is associated with */ + struct inode *parent; /* Parent directory, if any */ int refcnt; int mode; /* FILE , DIR or SYMLINK */ uint32_t size; @@ -157,11 +158,8 @@ static inline struct inode *get_inode(struct inode *inode) inode->refcnt++; return inode; } -static inline void put_inode(struct inode *inode) -{ - if (! --inode->refcnt) - free(inode); -} + +void put_inode(struct inode *inode); static inline void malloc_error(char *obj) { |