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files: Add a few comments on structures we use for files handling

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Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Cyrill Gorcunov
2012-09-05 19:58:30 +04:00
committed by Pavel Emelyanov
parent c9f7112595
commit 1fd9913ffb
1 changed files with 7 additions and 7 deletions
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14
include/files.h
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@@ -44,9 +44,9 @@ enum fdinfo_states {
struct file_desc; struct file_desc;
struct fdinfo_list_entry { struct fdinfo_list_entry {
struct list_head desc_list; struct list_head desc_list; /* To chain on @fd_info_head */
struct file_desc *desc; struct file_desc *desc; /* Associated file descriptor */
struct list_head ps_list; struct list_head ps_list; /* To chain per-task files */
int pid; int pid;
futex_t real_pid; futex_t real_pid;
FdinfoEntry *fe; FdinfoEntry *fe;
@@ -60,10 +60,10 @@ struct file_desc_ops {
}; };
struct file_desc { struct file_desc {
u32 id; u32 id; /* File descriptor id, unique */
struct list_head hash; struct list_head hash; /* Descriptor hashing and lookup */
struct list_head fd_info_head; struct list_head fd_info_head; /* Chain of fdinfo_list_entry-s with same ID and type but different pids */
struct file_desc_ops *ops; struct file_desc_ops *ops; /* Associated operations */
}; };
struct fdtype_ops { struct fdtype_ops {