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Diffstat (limited to 'fs/ocfs2/ioctl.c')
-rw-r--r--fs/ocfs2/ioctl.c93
1 files changed, 51 insertions, 42 deletions
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index fa32ce9b455..6f66b3751ac 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -7,6 +7,7 @@
#include <linux/fs.h>
#include <linux/mount.h>
+#include <linux/blkdev.h>
#include <linux/compat.h>
#include <cluster/masklog.h>
@@ -142,8 +143,8 @@ bail:
return status;
}
-int ocfs2_info_handle_blocksize(struct inode *inode,
- struct ocfs2_info_request __user *req)
+static int ocfs2_info_handle_blocksize(struct inode *inode,
+ struct ocfs2_info_request __user *req)
{
int status = -EFAULT;
struct ocfs2_info_blocksize oib;
@@ -166,8 +167,8 @@ bail:
return status;
}
-int ocfs2_info_handle_clustersize(struct inode *inode,
- struct ocfs2_info_request __user *req)
+static int ocfs2_info_handle_clustersize(struct inode *inode,
+ struct ocfs2_info_request __user *req)
{
int status = -EFAULT;
struct ocfs2_info_clustersize oic;
@@ -191,8 +192,8 @@ bail:
return status;
}
-int ocfs2_info_handle_maxslots(struct inode *inode,
- struct ocfs2_info_request __user *req)
+static int ocfs2_info_handle_maxslots(struct inode *inode,
+ struct ocfs2_info_request __user *req)
{
int status = -EFAULT;
struct ocfs2_info_maxslots oim;
@@ -216,8 +217,8 @@ bail:
return status;
}
-int ocfs2_info_handle_label(struct inode *inode,
- struct ocfs2_info_request __user *req)
+static int ocfs2_info_handle_label(struct inode *inode,
+ struct ocfs2_info_request __user *req)
{
int status = -EFAULT;
struct ocfs2_info_label oil;
@@ -241,8 +242,8 @@ bail:
return status;
}
-int ocfs2_info_handle_uuid(struct inode *inode,
- struct ocfs2_info_request __user *req)
+static int ocfs2_info_handle_uuid(struct inode *inode,
+ struct ocfs2_info_request __user *req)
{
int status = -EFAULT;
struct ocfs2_info_uuid oiu;
@@ -266,8 +267,8 @@ bail:
return status;
}
-int ocfs2_info_handle_fs_features(struct inode *inode,
- struct ocfs2_info_request __user *req)
+static int ocfs2_info_handle_fs_features(struct inode *inode,
+ struct ocfs2_info_request __user *req)
{
int status = -EFAULT;
struct ocfs2_info_fs_features oif;
@@ -293,8 +294,8 @@ bail:
return status;
}
-int ocfs2_info_handle_journal_size(struct inode *inode,
- struct ocfs2_info_request __user *req)
+static int ocfs2_info_handle_journal_size(struct inode *inode,
+ struct ocfs2_info_request __user *req)
{
int status = -EFAULT;
struct ocfs2_info_journal_size oij;
@@ -318,9 +319,10 @@ bail:
return status;
}
-int ocfs2_info_scan_inode_alloc(struct ocfs2_super *osb,
- struct inode *inode_alloc, u64 blkno,
- struct ocfs2_info_freeinode *fi, u32 slot)
+static int ocfs2_info_scan_inode_alloc(struct ocfs2_super *osb,
+ struct inode *inode_alloc, u64 blkno,
+ struct ocfs2_info_freeinode *fi,
+ u32 slot)
{
int status = 0, unlock = 0;
@@ -365,8 +367,8 @@ bail:
return status;
}
-int ocfs2_info_handle_freeinode(struct inode *inode,
- struct ocfs2_info_request __user *req)
+static int ocfs2_info_handle_freeinode(struct inode *inode,
+ struct ocfs2_info_request __user *req)
{
u32 i;
u64 blkno = -1;
@@ -412,11 +414,12 @@ int ocfs2_info_handle_freeinode(struct inode *inode,
}
status = ocfs2_info_scan_inode_alloc(osb, inode_alloc, blkno, oifi, i);
- if (status < 0)
- goto bail;
iput(inode_alloc);
inode_alloc = NULL;
+
+ if (status < 0)
+ goto bail;
}
o2info_set_request_filled(&oifi->ifi_req);
@@ -460,19 +463,19 @@ static void o2ffg_update_stats(struct ocfs2_info_freefrag_stats *stats,
stats->ffs_free_chunks_real++;
}
-void ocfs2_info_update_ffg(struct ocfs2_info_freefrag *ffg,
- unsigned int chunksize)
+static void ocfs2_info_update_ffg(struct ocfs2_info_freefrag *ffg,
+ unsigned int chunksize)
{
o2ffg_update_histogram(&(ffg->iff_ffs.ffs_fc_hist), chunksize);
o2ffg_update_stats(&(ffg->iff_ffs), chunksize);
}
-int ocfs2_info_freefrag_scan_chain(struct ocfs2_super *osb,
- struct inode *gb_inode,
- struct ocfs2_dinode *gb_dinode,
- struct ocfs2_chain_rec *rec,
- struct ocfs2_info_freefrag *ffg,
- u32 chunks_in_group)
+static int ocfs2_info_freefrag_scan_chain(struct ocfs2_super *osb,
+ struct inode *gb_inode,
+ struct ocfs2_dinode *gb_dinode,
+ struct ocfs2_chain_rec *rec,
+ struct ocfs2_info_freefrag *ffg,
+ u32 chunks_in_group)
{
int status = 0, used;
u64 blkno;
@@ -570,9 +573,9 @@ bail:
return status;
}
-int ocfs2_info_freefrag_scan_bitmap(struct ocfs2_super *osb,
- struct inode *gb_inode, u64 blkno,
- struct ocfs2_info_freefrag *ffg)
+static int ocfs2_info_freefrag_scan_bitmap(struct ocfs2_super *osb,
+ struct inode *gb_inode, u64 blkno,
+ struct ocfs2_info_freefrag *ffg)
{
u32 chunks_in_group;
int status = 0, unlock = 0, i;
@@ -650,8 +653,8 @@ bail:
return status;
}
-int ocfs2_info_handle_freefrag(struct inode *inode,
- struct ocfs2_info_request __user *req)
+static int ocfs2_info_handle_freefrag(struct inode *inode,
+ struct ocfs2_info_request __user *req)
{
u64 blkno = -1;
char namebuf[40];
@@ -721,8 +724,8 @@ out_err:
return status;
}
-int ocfs2_info_handle_unknown(struct inode *inode,
- struct ocfs2_info_request __user *req)
+static int ocfs2_info_handle_unknown(struct inode *inode,
+ struct ocfs2_info_request __user *req)
{
int status = -EFAULT;
struct ocfs2_info_request oir;
@@ -750,8 +753,8 @@ bail:
* - distinguish different requests.
* - validate size of different requests.
*/
-int ocfs2_info_handle_request(struct inode *inode,
- struct ocfs2_info_request __user *req)
+static int ocfs2_info_handle_request(struct inode *inode,
+ struct ocfs2_info_request __user *req)
{
int status = -EFAULT;
struct ocfs2_info_request oir;
@@ -809,8 +812,8 @@ bail:
return status;
}
-int ocfs2_get_request_ptr(struct ocfs2_info *info, int idx,
- u64 *req_addr, int compat_flag)
+static int ocfs2_get_request_ptr(struct ocfs2_info *info, int idx,
+ u64 *req_addr, int compat_flag)
{
int status = -EFAULT;
u64 __user *bp = NULL;
@@ -847,8 +850,8 @@ bail:
* a better backward&forward compatibility, since a small piece of
* request will be less likely to be broken if disk layout get changed.
*/
-int ocfs2_info_handle(struct inode *inode, struct ocfs2_info *info,
- int compat_flag)
+static int ocfs2_info_handle(struct inode *inode, struct ocfs2_info *info,
+ int compat_flag)
{
int i, status = 0;
u64 req_addr;
@@ -966,15 +969,21 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
case FITRIM:
{
struct super_block *sb = inode->i_sb;
+ struct request_queue *q = bdev_get_queue(sb->s_bdev);
struct fstrim_range range;
int ret = 0;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
+ if (!blk_queue_discard(q))
+ return -EOPNOTSUPP;
+
if (copy_from_user(&range, argp, sizeof(range)))
return -EFAULT;
+ range.minlen = max_t(u64, q->limits.discard_granularity,
+ range.minlen);
ret = ocfs2_trim_fs(sb, &range);
if (ret < 0)
return ret;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-03 23:10:08 +0000